{"title":"Thermopompe Murale SENVILLE LETO | Montréal, Laval, Rive Sud","description":null,"products":[{"product_id":"mini-split-senville-leto-9000-btu-115v-montreal-laval-rive-sud","title":"SENVILLE LETO Mini-Split | 9000 BTU 115V | Montréal, Laval, South Shore","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA 9,000 BTU mini-split that prioritizes the simplicity of 115 V without sacrificing efficiency\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE LETO 9,000 BTU 115 V\u003c\/strong\u003e occupies a unique place among the wall-mounted heat pumps we evaluate at AirGreen. It is primarily intended for small spaces where a 9,000 BTU capacity is genuinely appropriate: a bedroom, home office, small living area, insulated workshop, compact condo, or specific area of a home that remains uncomfortable despite the main heating system.\u003c\/p\u003e\n\u003cp\u003eFor homeowners in \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, and the North Shore\u003c\/strong\u003e, its main technical advantage is easy to identify: this version operates on a \u003cstrong\u003e115 V\u003c\/strong\u003e power supply rather than the 208\/230 V commonly used by wall-mounted heat pumps. This may simplify some electrical projects, but “115 V” should absolutely not be interpreted as “an appliance that can simply be plugged into an existing wall outlet.” We will return to this later, because this is precisely the kind of detail that distinguishes a product sheet from genuine \u003cstrong\u003eHVAC installation\u003c\/strong\u003e planning.\u003c\/p\u003e\n\u003cp\u003eThe combination of interest consists of the \u003cstrong\u003eSENL-09CD-OL\u003c\/strong\u003e outdoor unit and the \u003cstrong\u003eSENL-09CD-ILL\u003c\/strong\u003e indoor unit, with reference number \u003cstrong\u003eAHRI 215735286\u003c\/strong\u003e. The AHRI certificate confirms a rated cooling capacity of \u003cstrong\u003e9,000 BTU\/h\u003c\/strong\u003e, a \u003cstrong\u003eSEER2 of 21.5\u003c\/strong\u003e, an \u003cstrong\u003eEER2 of 12.5\u003c\/strong\u003e, a rated heating capacity of \u003cstrong\u003e10,000 BTU\/h\u003c\/strong\u003e, and an \u003cstrong\u003eHSPF2 of 9.0 for Region IV\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eKey technical data to consider before comparing this model\u003c\/h3\u003e\n\u003cp\u003eThe Senville brochure provided with this product clearly identifies the LETO as a \u003cstrong\u003eheat pump mini-split\u003c\/strong\u003e, intended for small spaces and capable of heating down to approximately \u003cstrong\u003e-15 °C\u003c\/strong\u003e. The same documentation states a rating of \u003cstrong\u003e21.5 SEER2\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHere are the features we consider most important for a residential project:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModels:\u003c\/strong\u003e SENL-09CD-OL outdoor \/ SENL-09CD-ILL indoor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAHRI reference:\u003c\/strong\u003e 215735286\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated cooling capacity:\u003c\/strong\u003e 9,000 BTU\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified rated heating capacity:\u003c\/strong\u003e 10,000 BTU\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSenville published cooling range:\u003c\/strong\u003e 2,650 to 10,300 BTU\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating range:\u003c\/strong\u003e 2,700 to 10,500 BTU\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSEER2:\u003c\/strong\u003e 21,5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEER2:\u003c\/strong\u003e 12,5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHSPF2 AHRI, Region IV:\u003c\/strong\u003e 9,0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating:\u003c\/strong\u003e operation expected down to approximately -15 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating capacity at approximately -8 °C:\u003c\/strong\u003e 8,000 BTU\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating capacity at -15 °C:\u003c\/strong\u003e approximately 6,500 BTU\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefrigerant:\u003c\/strong\u003e R454B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e 115 V, single-phase, 60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum circuit ampacity:\u003c\/strong\u003e 20 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum specified protection:\u003c\/strong\u003e 30 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiping:\u003c\/strong\u003e 1\/4 in. – 3\/8 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi and Alexa:\u003c\/strong\u003e compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndoor sound level:\u003c\/strong\u003e as low as 22 dB(A) at low speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor sound level:\u003c\/strong\u003e 55 dB(A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndoor dimensions:\u003c\/strong\u003e 28.43 × 7.36 × 11.42 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor dimensions:\u003c\/strong\u003e 30.12 × 11.93 × 21.85 in.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe technical table on \u003cstrong\u003epage 4 of the brochure\u003c\/strong\u003e confirms, among other things, the 115 V power supply, the voltage range of 103.5 to 126.5 V, the SEER2 and EER2 ratings, the minimum circuit ampacity of 20 A, and the maximum overcurrent protection of 30 A. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eVariable capacity rather than simply “9,000 BTU”\u003c\/h3\u003e\n\u003cp\u003eOne point we often explain to our customers is that \u003cstrong\u003e9,000 BTU\u003c\/strong\u003e is not a fixed output that the unit produces continuously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDC Inverter\u003c\/strong\u003e technology allows the compressor to modulate. Senville documentation specifies a range of \u003cstrong\u003e2,650 to 10,300 BTU\/h in cooling\u003c\/strong\u003e and \u003cstrong\u003e2,700 to 10,500 BTU\/h in heating\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis modulation capacity is particularly useful in a small space. A traditional heat pump that constantly starts and stops can create temperature fluctuations and reduce dehumidification quality. A properly sized Inverter heat pump can instead run longer at a low speed and gradually adjust its output.\u003c\/p\u003e\n\u003cp\u003eIn a bedroom or office, this also contributes to acoustic comfort. The compressor does not need to operate at maximum capacity every time the temperature changes slightly.\u003c\/p\u003e\n\u003ch3\u003eWhat area can we realistically target?\u003c\/h3\u003e\n\u003cp\u003eSenville associates this model with small spaces and mentions a general range of up to approximately \u003cstrong\u003e400 to 450 sq. ft.\u003c\/strong\u003e, with a technical value of \u003cstrong\u003e400 sq. ft. for 8-foot ceilings\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we never turn this information into an automatic rule.\u003c\/p\u003e\n\u003cp\u003eA 300 sq. ft. room in the middle of a newer condo in \u003cstrong\u003eLaval\u003c\/strong\u003e may have a very low heating and cooling load. A space of the same size on the top floor of a triplex in \u003cstrong\u003eMontreal\u003c\/strong\u003e, with a large south-facing window and a roof directly above it, may require much more cooling during a July day.\u003c\/p\u003e\n\u003cp\u003eThe calculation depends in particular on insulation, windows, solar exposure, the number of exterior walls, ceiling height, and how air can circulate toward adjacent rooms.\u003c\/p\u003e\n\u003cp\u003eThat is why an experienced installer does not automatically recommend a 12,000 BTU unit when a customer says they want “a little more power.” In a space genuinely suited to 9,000 BTU, the LETO can operate more steadily and comfortably than an oversized unit.\u003c\/p\u003e\n\u003ch3\u003e21.5 SEER2: impressive efficiency for a unit in this category\u003c\/h3\u003e\n\u003cp\u003eWith a \u003cstrong\u003e21.5 SEER2\u003c\/strong\u003e, the SENVILLE LETO offers seasonal cooling efficiency that is significantly higher than that of many older-generation systems.\u003c\/p\u003e\n\u003cp\u003eSenville also attributes a consumption reduction of up to 48% under certain comparison conditions to its Inverter technology. This percentage should be treated as a manufacturer claim, not as a promise of an identical reduction on every property's Hydro-Québec bill. Actual consumption varies too greatly depending on the building, the requested temperature, the system being replaced, and usage habits. Nevertheless, the manufacturer explains that the Inverter compressor adjusts its output rather than operating solely in on-off mode. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor us, the most useful figure remains the certified rating \u003cstrong\u003eAHRI 215735286\u003c\/strong\u003e, because it makes it possible to compare this specific combination with other heat pumps on a common basis. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHeating at -15 °C: understanding the LETO's limit precisely\u003c\/h3\u003e\n\u003cp\u003eThe 9,000 BTU 115 V LETO can provide heating in cold weather, but it should not be presented as equivalent to a heat pump designed for \u003cstrong\u003e-25 °C or -30 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSenville also classifies its standard models among the units that can operate down to approximately \u003cstrong\u003e-15 °C\u003c\/strong\u003e, while its product lines designed for more extreme temperatures are rated down to -30 °C. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe certification of the SENL-09CD-OL \/ SENL-09CD-ILL model shows what happens as the mercury drops: heating capacity falls from approximately \u003cstrong\u003e10,000 BTU\/h at 8.3 °C\u003c\/strong\u003e to \u003cstrong\u003e8,000 BTU\/h around -8 °C\u003c\/strong\u003e, then to approximately \u003cstrong\u003e6,500 BTU\/h at -15 °C\u003c\/strong\u003e. The model is ENERGY STAR certified, but it is not classified as \u003cstrong\u003eENERGY STAR – cold climate\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a property in \u003cstrong\u003eMontreal, Laval, Longueuil, or the South Shore\u003c\/strong\u003e, we therefore recommend retaining a supplemental heating source when this unit is used during the winter. Existing electric baseboards, for example, can take over when the temperature falls below the heat pump's practical operating range or when the building's heat losses exceed the available capacity.\u003c\/p\u003e\n\u003cp\u003eThis is an important distinction. A customer primarily looking for excellent air conditioning with supplemental heating in the fall and spring may find the LETO highly suitable. A homeowner who wants to maximize heat-pump heating during the coldest nights of January should instead compare this model with a cold-climate-certified heat pump.\u003c\/p\u003e\n\u003ch3\u003e115 V: an appealing advantage, but not an ordinary outlet\u003c\/h3\u003e\n\u003cp\u003eWe regularly see homeowners automatically associate 115 V with a very simple electrical installation.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE LETO 9,000 BTU 115 V\u003c\/strong\u003e nevertheless requires a \u003cstrong\u003eminimum circuit ampacity of 20 A\u003c\/strong\u003e, and Senville specifies a maximum protection of 30 A. The panel, conductor, disconnecting means, and appropriate protection must therefore all be checked as part of the project. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn other words, just because the equipment operates at a voltage comparable to that of ordinary household outlets does not mean we can install it on any existing circuit.\u003c\/p\u003e\n\u003cp\u003eThis 115 V version can nevertheless be very practical in certain buildings where adding a 230 V appliance would be less advantageous. We then assess the panel capacity and existing configuration before confirming the installation.\u003c\/p\u003e\n\u003ch3\u003eOne of the most appealing aspects: only 22 dB(A) at low speed\u003c\/h3\u003e\n\u003cp\u003eFor a bedroom or office mini-split, we place great importance on noise levels.\u003c\/p\u003e\n\u003cp\u003eThe LETO reaches \u003cstrong\u003e22 dB(A)\u003c\/strong\u003e at low speed. The stated levels are 22, 31, and 36.5 dB(A), depending on the indoor fan speed. Airflow ranges accordingly from approximately 129 to 247 CFM. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese features are particularly well suited to places where constant noise can quickly become bothersome: a primary bedroom, home office, studio, or small treatment room.\u003c\/p\u003e\n\u003cp\u003eSleep mode adds another interesting function. Senville provides for a gradual adjustment of the settings overnight to avoid unnecessarily maintaining an aggressive setpoint for several hours. The manufacturer also highlights \u003cstrong\u003edehumidification, fan, and Turbo modes\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWi-Fi and Alexa: smart control is included\u003c\/h3\u003e\n\u003cp\u003eThe documentation for the current LETO generation mentions \u003cstrong\u003eWi-Fi\u003c\/strong\u003e control, the Senville app, and compatibility with \u003cstrong\u003eAmazon Alexa\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe owner can modify the temperature, turn the system on or off, and schedule operating times remotely. The brochure also specifies that an \u003cstrong\u003eAlexa USB kit\u003c\/strong\u003e is one of the components listed with the product. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn an office, rental unit, or room used only a few hours a day, this scheduling may be more useful than having the heat pump maintain the same temperature 24 hours a day.\u003c\/p\u003e\n\u003ch3\u003eR454B: a new generation that requires proper installation\u003c\/h3\u003e\n\u003cp\u003eThe LETO presented here operates with \u003cstrong\u003eR454B refrigerant\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe specified charge is \u003cstrong\u003e25.4 oz\u003c\/strong\u003e, and the system is precharged for a piping length of up to \u003cstrong\u003e25 ft\u003c\/strong\u003e. Senville also indicates that an installation using a 50 ft kit requires an on-site refrigerant charge adjustment. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is precisely where a \u003cstrong\u003eprofessional heat pump installation\u003c\/strong\u003e becomes so important. Refrigerant connections, leak testing, evacuation, line length, and refrigerant charge must not be improvised.\u003c\/p\u003e\n\u003cp\u003eR454B is an A2L-category refrigerant. It requires work methods, tools, and procedures compatible with this new generation of equipment. A proper installation therefore involves more than simply mounting two units and connecting two pipes.\u003c\/p\u003e\n\u003ch2\u003eLETO installation, use, and selection: our approach at AirGreen\u003c\/h2\u003e\n\u003ch3\u003eA real Senville LETO installation in Montréal reminds us of the importance of positioning\u003c\/h3\u003e\n\u003cp\u003eAirGreen has already completed and documented a \u003cstrong\u003eMontréal installation of an 18,000 BTU Senville LETO\u003c\/strong\u003e. It was not this new 9,000 BTU 115 V R454B version; the two configurations should therefore not be confused. However, the project remains highly relevant for understanding how we work with the LETO lineup.\u003c\/p\u003e\n\u003cp\u003eFor this installation, our team first determined the units’ positions to maintain good airflow. The outdoor unit was installed on brackets to limit vibrations, while the indoor unit was positioned to distribute air efficiently throughout the living space. The refrigerant lines were also carefully insulated. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis type of decision is even more important with a small 9,000 BTU unit. A moderate-capacity unit should not be installed in a corner simply because that location reduces the piping length. If the airflow immediately hits a wall or cannot reach the occupied area, the homeowner may ask for a much lower or higher temperature to compensate.\u003c\/p\u003e\n\u003ch3\u003eWhere does this 9,000 BTU unit make the most sense?\u003c\/h3\u003e\n\u003cp\u003eWe mainly consider it for a clearly defined room or zone rather than trying to condition an entire floor made up of several enclosed bedrooms.\u003c\/p\u003e\n\u003cp\u003eA 250 sq. ft. office in \u003cstrong\u003eBoucherville\u003c\/strong\u003e, a primary bedroom in a \u003cstrong\u003eLaval\u003c\/strong\u003e condo, a small studio in \u003cstrong\u003eMontréal\u003c\/strong\u003e, or a room added to a home on the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e are much more realistic scenarios than a large, partitioned ground floor.\u003c\/p\u003e\n\u003cp\u003eIn older homes, we also check the insulation before relying on floor area. A small space can have a surprisingly high heating or cooling load if two walls are exposed, the windows are old, or the room is directly beneath the roof.\u003c\/p\u003e\n\u003ch3\u003eThe indoor unit is compact and makes certain challenging projects easier\u003c\/h3\u003e\n\u003cp\u003eWith a width of only \u003cstrong\u003e28.43 in\u003c\/strong\u003e, a depth of \u003cstrong\u003e7.36 in\u003c\/strong\u003e, and a height of \u003cstrong\u003e11.42 in\u003c\/strong\u003e, the indoor evaporator is relatively compact. The outdoor unit measures approximately \u003cstrong\u003e30.12 × 11.93 × 21.85 in\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese dimensions may give us more options above a door or between two architectural features. Nevertheless, we must maintain the clearances specified by the manufacturer and sufficient access for maintenance.\u003c\/p\u003e\n\u003cp\u003eA unit installed too close to the ceiling can become difficult to clean. An outdoor unit wedged against a wall may lack adequate airflow. We prefer to anticipate these issues when preparing the quote rather than turn them into a service call a few years later.\u003c\/p\u003e\n\u003ch3\u003eMaintenance: small habits that protect performance\u003c\/h3\u003e\n\u003cp\u003eFor this type of mini-split, we recommend keeping the filters clean, visually checking the evaporator’s condition, monitoring drainage, and keeping the outdoor unit free of leaves, dust, snow, and vegetation.\u003c\/p\u003e\n\u003cp\u003eIn the Montreal area, drainage requires particular attention. In cooling mode, the indoor unit produces condensation water. An insufficient slope, a clogged drain, or a poorly chosen route can eventually lead to indoor water leakage.\u003c\/p\u003e\n\u003cp\u003eWhen the evaporator becomes loaded with dust or organic matter, a \u003cstrong\u003edeep cleaning of a wall-mounted heat pump\u003c\/strong\u003e restores airflow and cleans surfaces that cannot be reached during simple filter maintenance.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR, but not “cold-climate”\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENL-09CD-OL \/ SENL-09CD-ILL\u003c\/strong\u003e combination is listed as \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e-certified equipment, while also being explicitly identified as \u003cstrong\u003enot cold-climate\u003c\/strong\u003e in the current certification data. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis clarification is particularly important in Quebec because the terms ENERGY STAR and LogisVert are sometimes used as though they automatically mean that a heat pump qualifies for a rebate.\u003c\/p\u003e\n\u003cp\u003eThat is not the case.\u003c\/p\u003e\n\u003cp\u003eFor residential installations covered by the current \u003cstrong\u003eLogisVert\u003c\/strong\u003e rules, Hydro-Québec requires, among other things, that a heat pump installed on or after November 26, 2025, be ENERGY STAR certified and that the outdoor unit have a rated cooling capacity of at least \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e. Since this model has a rated capacity of \u003cstrong\u003e9,000 BTU\/h\u003c\/strong\u003e, it does not meet this threshold for the current residential measure, even though it is ENERGY STAR certified. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe always verify the terms at the time of quoting, because program rules, eligible equipment lists, and rebate amounts may change.\u003c\/p\u003e\n\u003ch3\u003eWarranty: something to verify on the final quote\u003c\/h3\u003e\n\u003cp\u003eThe Senville brochure currently provided with this model indicates a \u003cstrong\u003e5-year manufacturer’s warranty on the compressor and 5 years on parts\u003c\/strong\u003e. Senville’s technical page also publishes this coverage for the 115 V SENL-09CD-L. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSome product listings, distributor promotions, or additional coverage may display different terms. At AirGreen, we therefore recommend relying on the \u003cstrong\u003ewarranty stated on the final quote for the exact unit\u003c\/strong\u003e, rather than on information from an older generation of LETO.\u003c\/p\u003e\n\u003cp\u003eThis is particularly relevant with this product line, as several SENL-09CD versions have existed, including R410A, R454B, 115 V, and 208\/230 V models.\u003c\/p\u003e\n\u003ch3\u003eWhy we do not compare purchase prices alone\u003c\/h3\u003e\n\u003cp\u003eThe LETO is positioned as a relatively accessible solution. However, the project’s actual cost also depends on the electrical work, piping length, outdoor support, line routing, working height, drainage, and the building’s specific characteristics.\u003c\/p\u003e\n\u003cp\u003eA less expensive unit placed in the wrong location can become a poor investment. Conversely, this \u003cstrong\u003eSENVILLE LETO 9,000 BTU 115 V\u003c\/strong\u003e can be a very sensible choice when installed in the right room and when the homeowner clearly understands its heating limit at approximately -15 °C.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, our role is precisely to determine whether this configuration suits the building rather than simply confirming that a mini-split can physically be installed on the wall.\u003c\/p\u003e\n\u003ch3\u003eOur practical verdict on the SENVILLE LETO 9,000 BTU 115 V\u003c\/h3\u003e\n\u003cp\u003eWe focus mainly on four features: its \u003cstrong\u003ecompact size\u003c\/strong\u003e, \u003cstrong\u003e115 V\u003c\/strong\u003e power supply, excellent indoor quietness, and \u003cstrong\u003e21.5 SEER2\u003c\/strong\u003e efficiency rating.\u003c\/p\u003e\n\u003cp\u003eIt is not our first choice for a homeowner who wants to maximize heating with their heat pump during Montreal’s extreme cold. For that purpose, a cold-climate-certified heat pump capable of operating at -25 °C or -30 °C will generally be better suited.\u003c\/p\u003e\n\u003cp\u003eHowever, for \u003cstrong\u003eefficiently cooling a small space\u003c\/strong\u003e, enjoying economical heating in milder temperatures, controlling the unit via Wi-Fi, and maintaining very low noise levels, the LETO offers a well-balanced combination.\u003c\/p\u003e\n\u003cp\u003eThe outcome then depends on what we do around the unit: sizing, positioning, electrical circuit, outdoor support, drainage, and piping \u003cstrong\u003e1\/4 – 3\/8\u003c\/strong\u003e, vacuuming, and commissioning.\u003c\/p\u003e\n\u003ch3\u003eRequest an AirGreen quote for your SENVILLE LETO 9,000 BTU\u003c\/h3\u003e\n\u003cp\u003eFor a \u003cstrong\u003eSENVILLE LETO 9,000 BTU 115 V mini-split installation in Montreal, Laval, Longueuil, the South Shore, or the North Shore\u003c\/strong\u003e, contact AirGreen. We can assess your space, electrical panel, unit locations, line-set length, and actual heating and cooling needs to confirm whether this model is the right choice for your property.\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56119908860196,"sku":"SENL-09CD-OL","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MURALE_SENVILLE_LETO_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1789049836"},{"product_id":"mini-split-senville-leto-12000-btu-115v-montreal-laval-rive-sud","title":"SENVILLE LETO Mini-Split | 12000 BTU 115V | Montréal, Laval, South Shore","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA 12,000 BTU wall-mounted heat pump at 115 V designed for projects where electrical simplicity, comfort, and budget must remain well balanced\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE LETO 12,000 BTU 115 V\u003c\/strong\u003e meets a very practical need we regularly encounter in Greater Montreal: efficiently cooling a bedroom, office, condo, apartment, or reasonably sized living area while adding supplemental heating capacity, without necessarily installing a 208\/230 V unit.\u003c\/p\u003e\n\u003cp\u003eThis \u003cstrong\u003e115 V\u003c\/strong\u003e configuration deserves emphasis. It does not mean that the heat pump can simply be plugged into an existing wall outlet. The technical specifications require a \u003cstrong\u003eminimum circuit ampacity of 19 A and maximum overcurrent protection of 20 A\u003c\/strong\u003e. A dedicated electrical circuit compliant with the unit’s requirements must therefore be provided. However, in some buildings where a 115 V solution integrates more easily with the electrical design, this configuration can simplify planning.\u003c\/p\u003e\n\u003cp\u003eThe combination offered by AirGreen consists of the outdoor unit \u003cstrong\u003eSENL-12CD-OL\u003c\/strong\u003e and the indoor unit \u003cstrong\u003eSENL-12CD-ILL\u003c\/strong\u003e. It uses \u003cstrong\u003eR454B\u003c\/strong\u003e refrigerant, provides \u003cstrong\u003e12,000 BTU\u003c\/strong\u003e of cooling, operates in heating mode down to \u003cstrong\u003e-15°C\u003c\/strong\u003e, includes \u003cstrong\u003eWiFi\u003c\/strong\u003e, and features Inverter modulation rather than simple on-off operation.\u003c\/p\u003e\n\u003cp\u003eThe AHRI certificate corresponding to this combination bears number \u003cstrong\u003e215735287\u003c\/strong\u003e and officially confirms a rated cooling capacity of \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e, a \u003cstrong\u003eSEER2 of 21.2\u003c\/strong\u003e, an \u003cstrong\u003eEER2 of 10.1\u003c\/strong\u003e, a rated heating capacity of \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e, and an \u003cstrong\u003eHSPF2 Region IV of 8.7\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eKey specifications of the SENVILLE LETO 12,000 BTU 115 V\u003c\/h3\u003e\n\u003cp\u003eHere are the specifications we consider most important when a customer compares this heat pump with other wall-mounted systems:\u003c\/p\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eFeature\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSENVILLE LETO 12,000 BTU 115 V\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor model\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSENL-12CD-OL\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndoor model\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSENL-12CD-ILL\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAHRI reference\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e215735287\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e115 V, single-phase, 60 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated cooling capacity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling range\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2,200 to 12,300 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated heating capacity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating range\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2,400 to 12,200 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e21,2\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEER2\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e10,1\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2 Region IV\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8,7\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2 Region V\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e6,7\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated COP\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3,3\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating down to\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e-15°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eR454B\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCA\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e19 A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMOP\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e20 A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiping\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\/4 in – 3\/8 in\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum indoor airflow\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e341.4 CFM\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndoor sound level\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e17.5 to 45 dB(A)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor sound level\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e54 dB(A)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiFi \/ smart control\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAlexa included \/ compatible\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVertical louvers\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorizontal louvers\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eSenville documentation also confirms a voltage range of \u003cstrong\u003e103.5 to 126.5 V\u003c\/strong\u003e, variable power consumption in cooling mode from \u003cstrong\u003e230 to 800 W\u003c\/strong\u003e and in heating mode from \u003cstrong\u003e200 to 1,230 W\u003c\/strong\u003e, which clearly illustrates the modulating operation of Inverter technology. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e115 V is a genuine advantage in some projects, but it must not be misinterpreted\u003c\/h3\u003e\n\u003cp\u003eThe term \u003cstrong\u003e115 V\u003c\/strong\u003e often draws attention because it recalls the common electrical circuits in a residence. On an HVAC job, however, all electrical specifications must be considered together.\u003c\/p\u003e\n\u003cp\u003eThis SENVILLE requires:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea \u003cstrong\u003eminimum ampacity of 19 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ea maximum protection of \u003cstrong\u003e20 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ea 115 V single-phase power supply;\u003c\/li\u003e\n\u003cli\u003ea communication cable specified by the manufacturer at \u003cstrong\u003e14 × 4 AWG\u003c\/strong\u003e between the units. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe therefore always check the electrical panel, the available circuit, and the wiring route before installation.\u003c\/p\u003e\n\u003cp\u003eA common example involves a condo or apartment where the owner wants to replace a window air conditioner with a genuine \u003cstrong\u003ewall-mounted heat pump\u003c\/strong\u003e. The fact that the new system is 115 V may be advantageous, but it does not mean that just any existing outlet can be used automatically. The circuit must be properly sized and protected.\u003c\/p\u003e\n\u003cp\u003eThis is exactly the kind of detail that helps avoid an apparently simple installation that later causes circuit-breaker trips or a non-compliant electrical installation.\u003c\/p\u003e\n\u003ch3\u003eAn especially wide modulation range for maintaining a stable temperature\u003c\/h3\u003e\n\u003cp\u003eA frequently overlooked specification is the minimum capacity.\u003c\/p\u003e\n\u003cp\u003eIn cooling mode, the LETO can modulate approximately from \u003cstrong\u003e2,200 to 12,300 BTU\/h\u003c\/strong\u003e. In heating mode, the published range is \u003cstrong\u003e2,400 to 12,200 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis ability to reduce its output becomes useful as the room approaches its setpoint temperature.\u003c\/p\u003e\n\u003cp\u003eA traditional heat pump that could operate only at full capacity would have to stop the compressor, wait for the temperature to drift, and then restart. An Inverter system can instead reduce its operating speed.\u003c\/p\u003e\n\u003cp\u003eIn a bedroom, office, or condo, this promotes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003emore consistent indoor temperature;\u003c\/li\u003e\n\u003cli\u003efewer start-stop cycles;\u003c\/li\u003e\n\u003cli\u003eenergy consumption better suited to demand;\u003c\/li\u003e\n\u003cli\u003eimproved acoustic comfort when the unit operates at low speed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSenville also states that its DC Inverter technology can reduce energy consumption by up to \u003cstrong\u003e48 %\u003c\/strong\u003e under certain conditions compared with the references used by the manufacturer. This percentage should be considered a commercial indication that depends heavily on usage and the system being replaced, not as guaranteed savings in every home. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSEER2 of 21.2: good air-conditioning efficiency\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSEER2 of 21.2\u003c\/strong\u003e is one of the appealing features of the 12,000 BTU LETO.\u003c\/p\u003e\n\u003cp\u003eFor a homeowner who uses air conditioning extensively in \u003cstrong\u003eMontreal, Laval, Longueuil, or the South Shore\u003c\/strong\u003e, this seasonal efficiency allows the unit to provide a significant amount of cooling for the electricity consumed.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eEER2 of 10.1\u003c\/strong\u003e complements this information by measuring performance under a standardized operating condition.\u003c\/p\u003e\n\u003cp\u003eHowever, we recommend never comparing two heat pumps based solely on SEER2. For a Quebec project, you should also consider:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eheating performance;\u003c\/li\u003e\n\u003cli\u003eavailable capacity as the outdoor temperature decreases;\u003c\/li\u003e\n\u003cli\u003eHSPF2;\u003c\/li\u003e\n\u003cli\u003enoise level;\u003c\/li\u003e\n\u003cli\u003eminimum modulation capacity;\u003c\/li\u003e\n\u003cli\u003eENERGY STAR certification;\u003c\/li\u003e\n\u003cli\u003ethe outdoor temperature range;\u003c\/li\u003e\n\u003cli\u003eelectrical requirements;\u003c\/li\u003e\n\u003cli\u003ethe total installed cost.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is particularly true for this LETO, whose positioning differs from that of a wall-mounted heat pump specifically designed to serve as a primary heating source in very cold weather.\u003c\/p\u003e\n\u003ch3\u003eHeating down to -15 °C: what this figure really means\u003c\/h3\u003e\n\u003cp\u003eSenville advertises heating operation down to \u003cstrong\u003e-15 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOn the AirGreen product page for this combination, the listed capacity drops to approximately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e9,000 BTU\/h at -8 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6,600 BTU\/h at -15 °C\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe listed COP is approximately \u003cstrong\u003e2.094 at -8 °C\u003c\/strong\u003e and \u003cstrong\u003e1.844 at -15 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThese figures are much more informative than simply stating “heating down to -15 °C.”\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e-15 °C\u003c\/strong\u003e, the unit can still produce heat, but it no longer provides its rated 12,000 BTU. For a building in Quebec, this difference must be factored into the equipment selection.\u003c\/p\u003e\n\u003cp\u003eWe often see two possible uses.\u003c\/p\u003e\n\u003cp\u003eIn a condo heated primarily with electricity, the LETO can provide a significant portion of the heating during milder temperatures, while the existing electric system remains available when demand increases.\u003c\/p\u003e\n\u003cp\u003eIn an addition, basement, office, or commercial space, it can also provide very practical localized heating without necessarily being expected to handle the entire heating load on its own during the coldest days.\u003c\/p\u003e\n\u003ch3\u003eThis model is not an ENERGY STAR cold-climate heat pump.\u003c\/h3\u003e\n\u003cp\u003eIt is important to distinguish \u003cstrong\u003elow-temperature operating capacity\u003c\/strong\u003e from \u003cstrong\u003eENERGY STAR – Cold Climate certification\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis SENL-12CD-OL \/ SENL-12CD-ILL combination is not listed as ENERGY STAR or ENERGY STAR Cold Climate on the AirGreen product page.\u003c\/p\u003e\n\u003cp\u003eThis directly affects rebates.\u003c\/p\u003e\n\u003cp\u003eThe current \u003cstrong\u003eHydro-Québec LogisVert\u003c\/strong\u003e criteria provide financial assistance for heat pumps meeting the applicable ENERGY STAR certifications, with a higher amount for ENERGY STAR – Cold Climate units. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis 12,000 BTU 115 V LETO should therefore not be chosen primarily to obtain a LogisVert rebate when it does not meet the required certification. In a project where the rebate is a determining factor, we can compare its installed cost with that of an eligible model before making a decision.\u003c\/p\u003e\n\u003cp\u003eThis comparison is often more useful than looking only at the equipment’s purchase price.\u003c\/p\u003e\n\u003ch3\u003eAn indicative range of 450 to 750 sq. ft., to be used with caution\u003c\/h3\u003e\n\u003cp\u003eSenville presents the model as suitable for approximately \u003cstrong\u003e450 to 750 sq. ft.\u003c\/strong\u003e, particularly for bedrooms, offices, and living spaces. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis range is not a substitute for proper sizing.\u003c\/p\u003e\n\u003cp\u003eA 600 sq. ft. ground-floor home in a well-insulated building does not have the same heating and cooling load as an apartment of the same size on the top floor of an old Montreal triplex.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we take into account, among other things:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ethe number and size of the windows;\u003c\/li\u003e\n\u003cli\u003etheir orientation;\u003c\/li\u003e\n\u003cli\u003ethe insulation;\u003c\/li\u003e\n\u003cli\u003ethe floor on which the home is located;\u003c\/li\u003e\n\u003cli\u003ethe ceiling height;\u003c\/li\u003e\n\u003cli\u003ethe layout of the rooms;\u003c\/li\u003e\n\u003cli\u003ethe number of occupants;\u003c\/li\u003e\n\u003cli\u003eheat-generating appliances;\u003c\/li\u003e\n\u003cli\u003ethe intended use for heating.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eA properly sized and correctly positioned 12,000 BTU unit generally delivers better results than an oversized unit installed simply “to be safe.”\u003c\/p\u003e\n\u003ch3\u003e17.5 dB(A) at low speed: interesting for a bedroom or office\u003c\/h3\u003e\n\u003cp\u003eThe specifications indicate indoor sound levels of up to \u003cstrong\u003e45 dB(A)\u003c\/strong\u003e at high speed, decreasing to \u003cstrong\u003e17.5 dB(A)\u003c\/strong\u003e in its quietest mode. The outdoor unit is rated at \u003cstrong\u003e54 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis feature makes the LETO well suited for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea bedroom;\u003c\/li\u003e\n\u003cli\u003ea home office;\u003c\/li\u003e\n\u003cli\u003ea small condo;\u003c\/li\u003e\n\u003cli\u003ea living room where the unit is relatively close to the occupants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSleep mode also allows the setpoint to change gradually during the night. Senville specifically highlights quiet operation and Sleep mode for nighttime use. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe final sound level nevertheless depends on the installation. An outdoor unit mounted on a structure that may transmit vibrations can be more noticeable than a condenser properly installed on a suitable base or support.\u003c\/p\u003e\n\u003ch3\u003eAirflow and automatic louvers: two details that affect comfort\u003c\/h3\u003e\n\u003cp\u003eThe indoor airflow reaches approximately \u003cstrong\u003e341.4 CFM\u003c\/strong\u003e at maximum speed, with several intermediate levels of \u003cstrong\u003e309.0, 206.0, and 176.6 CFM\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen specifications also indicate \u003cstrong\u003eautomatic control of the vertical and horizontal louvers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis helps distribute the air rather than creating a concentrated jet in the same location.\u003c\/p\u003e\n\u003cp\u003eBut even a unit with good louvers cannot compensate for poor placement.\u003c\/p\u003e\n\u003cp\u003eIf the indoor unit is placed facing a wall a few feet away, behind a beam, or in a corner that prevents the air from reaching the rest of the residence, distribution will be limited.\u003c\/p\u003e\n\u003cp\u003eIn our \u003cstrong\u003ewall-mounted air conditioning projects in Montreal and Laval\u003c\/strong\u003e, we therefore pay close attention to airflow direction before confirming the final location.\u003c\/p\u003e\n\u003ch3\u003eA dehumidification capacity of 1.4 liters per hour\u003c\/h3\u003e\n\u003cp\u003eThe documentation states a moisture removal rate of approximately \u003cstrong\u003e1.4 L\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis feature is particularly useful during Quebec’s hot, humid periods.\u003c\/p\u003e\n\u003cp\u003eSummer comfort is not determined solely by temperature. A room maintained at 23°C with high humidity can remain uncomfortable. A properly sized heat pump generally has sufficient run times to remove humidity while cooling.\u003c\/p\u003e\n\u003cp\u003eThis is another reason to avoid excessive oversizing.\u003c\/p\u003e\n\u003ch3\u003eWiFi, Alexa, and remote scheduling\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWiFi is included\u003c\/strong\u003e in the configuration offered by AirGreen, and Senville indicates compatibility with Alexa. The system allows the temperature, schedules, and certain settings to be changed through an app or voice command. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe manufacturer includes, among other items:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe indoor unit;\u003c\/li\u003e\n\u003cli\u003ethe outdoor unit;\u003c\/li\u003e\n\u003cli\u003ethe wireless remote control;\u003c\/li\u003e\n\u003cli\u003ethe indoor-outdoor wiring harness;\u003c\/li\u003e\n\u003cli\u003ethe Alexa USB module;\u003c\/li\u003e\n\u003cli\u003ethe installation and operating manuals. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a second home or a residence whose occupants are regularly away, this feature can, for example, adjust the setpoint before returning home instead of continuously maintaining the same temperature.\u003c\/p\u003e\n\u003ch3\u003eR454B and 25-foot precharge\u003c\/h3\u003e\n\u003cp\u003eThis generation uses \u003cstrong\u003eR454B refrigerant\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe heat pump is precharged for a line length of up to \u003cstrong\u003e25 feet\u003c\/strong\u003e. Senville indicates that an installation with a 50-foot kit requires refrigerant to be added on site by the installer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe technical specifications also confirm a 25 ft precharge and an outdoor unit weight of approximately 61.29 lb. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor this combination, AirGreen specifies 1\/4 in – 3\/8 in piping.\u003c\/p\u003e\n\u003cp\u003eDuring an installation, we must measure the actual route rather than arbitrarily choosing the piping length. A shorter, clean route is generally preferable, but the goal is also to avoid unnecessary bends, maintain a neat exterior finish, and keep the equipment accessible for future maintenance.\u003c\/p\u003e\n\u003ch2\u003eAn AirGreen installation designed around the building, not just around the heat pump\u003c\/h2\u003e\n\u003ch3\u003eA common use case in Greater Montreal\u003c\/h3\u003e\n\u003cp\u003eThe 12,000 BTU 115 V LETO is a good fit for a scenario we encounter often: a homeowner wants to remove a noisy window air conditioner from a bedroom, living room, or small dwelling while also gaining a heating function.\u003c\/p\u003e\n\u003cp\u003eIn this context, we do not look only at the wall where the customer would like to see the indoor unit.\u003c\/p\u003e\n\u003cp\u003eWe check the entire route:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eindoor unit → drain → refrigerant lines → wiring → outdoor unit → electrical supply.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA highly aesthetic indoor position can sometimes require a problematic drain or an unnecessarily long outdoor route. Conversely, choosing the location solely to reduce piping length can result in poor air distribution.\u003c\/p\u003e\n\u003cp\u003eThe right compromise must be decided before drilling.\u003c\/p\u003e\n\u003ch3\u003eDimensions to allow for\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit measures approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e31.57 in × 7.44 in × 11.69 in.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit measures:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e30.12 in × 11.93 in × 21.85 in.\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese relatively compact dimensions facilitate several balcony, wall-mounted, or ground-level installations, but the required clearances around the condenser must always be maintained.\u003c\/p\u003e\n\u003cp\u003eIn particular, we must avoid placing the outdoor unit where:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003esnow may bury it;\u003c\/li\u003e\n\u003cli\u003edischarged air is immediately recirculated;\u003c\/li\u003e\n\u003cli\u003eservice access becomes impossible;\u003c\/li\u003e\n\u003cli\u003evibrations are transmitted directly to a bedroom;\u003c\/li\u003e\n\u003cli\u003ewater draining from heating cycles creates a problem on a walkway.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe errors we aim to avoid from the estimating stage\u003c\/h3\u003e\n\u003cp\u003eWith a wall-mounted heat pump, some errors are much more expensive to correct after installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChoosing capacity based solely on square footage.\u003c\/strong\u003e\u003cbr\u003eFloor area is an indicator, not a load calculation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTreating 115 V as power supplied by a standard outlet.\u003c\/strong\u003e\u003cbr\u003eThis LETO requires a circuit capable of handling its \u003cstrong\u003e19 A MCA\u003c\/strong\u003e and \u003cstrong\u003e20 A MOP\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChoosing this model assuming it is a -30 °C heat pump.\u003c\/strong\u003e\u003cbr\u003eThe published heating range goes down to \u003cstrong\u003e-15 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAssuming it is automatically eligible for LogisVert.\u003c\/strong\u003e\u003cbr\u003eThe combination is not listed as ENERGY STAR or ENERGY STAR – Cold Climate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstalling the indoor unit without considering air distribution.\u003c\/strong\u003e\u003cbr\u003eAvailable capacity is useless if the airflow remains confined to a small area.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeglecting drainage.\u003c\/strong\u003e\u003cbr\u003eA heat pump produces water in cooling mode. The drain must have a proper slope and route.\u003c\/p\u003e\n\u003ch3\u003eWarranty: a point to confirm based on the coverage provided at the time of purchase\u003c\/h3\u003e\n\u003cp\u003eThe Senville brochure attached to this version indicates \u003cstrong\u003e5 years of warranty on the compressor and 5 years on parts\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen product page currently lists \u003cstrong\u003e10-10-0 years\u003c\/strong\u003e, with the possibility of an additional warranty.\u003c\/p\u003e\n\u003cp\u003eSince the terms may vary depending on product registration, the distributor’s program, and the coverage provided with the installation, we confirm the \u003cstrong\u003eexact applicable warranty\u003c\/strong\u003e at the time of the quote rather than relying solely on a general statement.\u003c\/p\u003e\n\u003cp\u003eThis check is particularly important when a customer is comparing two units whose prices appear similar.\u003c\/p\u003e\n\u003ch3\u003eWho do we primarily recommend the SENVILLE LETO 12,000 BTU 115 V to?\u003c\/h3\u003e\n\u003cp\u003eThis heat pump deserves consideration when the project primarily requires:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea capacity of \u003cstrong\u003e12,000 BTU\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ea \u003cstrong\u003e115 V\u003c\/strong\u003e power supply;\u003c\/li\u003e\n\u003cli\u003egood cooling efficiency with \u003cstrong\u003eSEER2 21.2\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003equiet operation;\u003c\/li\u003e\n\u003cli\u003eInverter modulation;\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWiFi\u003c\/strong\u003e and remote control;\u003c\/li\u003e\n\u003cli\u003eheating used down to approximately \u003cstrong\u003e-15 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ea unit for a bedroom, office, condo, or medium-sized living area;\u003c\/li\u003e\n\u003cli\u003ea budget where obtaining a cold-climate heat pump subsidy is not necessarily the priority.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a homeowner whose top priority is \u003cstrong\u003every-low-temperature heating\u003c\/strong\u003e, \u003cstrong\u003eENERGY STAR – Cold Climate\u003c\/strong\u003e certification, or LogisVert financial assistance, we can also compare the LETO with other wall-mounted heat pumps that are better suited to this goal.\u003c\/p\u003e\n\u003ch3\u003eWhy choose AirGreen for installation\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e, our work involves more than simply mounting a unit on the wall.\u003c\/p\u003e\n\u003cp\u003eWe verify the capacity, positioning, piping, drain, outdoor routing, condenser clearances, and electrical requirements to ensure the unit is truly suitable for the building.\u003c\/p\u003e\n\u003cp\u003eWe serve \u003cstrong\u003eMontréal, Laval, Longueuil, the South Shore, the North Shore, and Montérégie\u003c\/strong\u003e, for both \u003cstrong\u003ewall-mounted heat pump installation\u003c\/strong\u003e and \u003cstrong\u003eHVAC service and maintenance\u003c\/strong\u003e needs.\u003c\/p\u003e\n\u003cp\u003eTo get an installation quote for the \u003cstrong\u003eSENVILLE LETO 12,000 BTU 115 V SENL-12CD-OL \/ SENL-12CD-ILL\u003c\/strong\u003e, compare this model with an ENERGY STAR heat pump eligible for current programs, or determine whether 12,000 BTU is suitable for your space, contact \u003cstrong\u003eAirGreen at 514-316-2973\u003c\/strong\u003e or \u003cstrong\u003e\u003ca class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003esales@airgreen.ca\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56119909155108,"sku":"SENL-12CD-OL","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MURALE_SENVILLE_LETO_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_554f46f4-a785-4a85-91d8-0fafc025ffe1.png?v=1789049843"},{"product_id":"mini-split-senville-leto-9000-btu-220v-montreal-laval-rive-sud","title":"SENVILLE LETO Mini-Split | 9000 BTU 220V | Montréal, Laval, South Shore","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA particularly appealing 9,000 BTU mini split when efficiency, quiet operation, and modulation matter more than size\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eIn a bedroom, office, small condo, studio, or enclosed room, installing an oversized heat pump can be just as problematic as installing an undersized unit. This is precisely the type of project in which the \u003cstrong\u003eSENVILLE 9,000 BTU 220 V\u003c\/strong\u003e, consisting of the \u003cstrong\u003eSENA-09HF-OG\u003c\/strong\u003e outdoor unit and the \u003cstrong\u003eSENA-09HF-IGG\u003c\/strong\u003e indoor unit, becomes appealing.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, when we evaluate a \u003cstrong\u003emini split installation in Montreal, Laval, Longueuil, on the South Shore or the North Shore\u003c\/strong\u003e, we never stop at the 9,000 BTU figure. We primarily examine the minimum modulation capacity, the room configuration, heat losses, airflow, the desired noise level, and how the unit will perform during long periods of heating or cooling.\u003c\/p\u003e\n\u003cp\u003eThe model shown on our AirGreen listing is associated with \u003cstrong\u003eAHRI 215735295\u003c\/strong\u003e, \u003cstrong\u003eR-454B\u003c\/strong\u003e refrigerant, a \u003cstrong\u003e220 V\u003c\/strong\u003e power supply, \u003cstrong\u003eWiFi included\u003c\/strong\u003e, as well as \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e and \u003cstrong\u003eENERGY STAR Cold Climate\u003c\/strong\u003e certifications.\u003c\/p\u003e\n\u003cp\u003eHowever, one technical clarification is warranted: the Senville documentation provided for the \u003cstrong\u003eSENA-09HF\u003c\/strong\u003e presents the product under the name \u003cstrong\u003eAURA Series\u003c\/strong\u003e, whereas our commercial page uses the name \u003cstrong\u003eLETO\u003c\/strong\u003e. For the detailed specifications below, we therefore rely primarily on the model numbers and the technical data corresponding to the \u003cstrong\u003eSENA-09HF\u003c\/strong\u003e, rather than on the series name alone. In the brochure, the product is identified as a \u003cstrong\u003e9,000 BTU\u003c\/strong\u003e heat pump mini split, ENERGY STAR certified and designed for heating and cooling. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy 9,000 BTU may be preferable to 12,000 BTU\u003c\/h3\u003e\n\u003cp\u003eIn several residential projects we encounter, the initial instinct is to ask for a larger unit “to be sure.”\u003c\/p\u003e\n\u003cp\u003eThis is not always the right approach.\u003c\/p\u003e\n\u003cp\u003eThe Senville brochure recommends the SENA-09HF for spaces of approximately \u003cstrong\u003e100 to 450 sq. ft.\u003c\/strong\u003e, including small rooms and studios. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis area remains a general guideline, not an absolute rule. A 350 sq. ft. bedroom on the top floor of an older building in Montreal may have greater needs than a similar space located in the center of a newer condo in Laval.\u003c\/p\u003e\n\u003cp\u003eWe consider, in particular:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe quality of the insulation;\u003c\/li\u003e\n\u003cli\u003ethe number and size of the windows;\u003c\/li\u003e\n\u003cli\u003esun exposure;\u003c\/li\u003e\n\u003cli\u003ethe number of exterior walls;\u003c\/li\u003e\n\u003cli\u003ethe floor on which the room is located;\u003c\/li\u003e\n\u003cli\u003ethe ceiling height;\u003c\/li\u003e\n\u003cli\u003ethe circulation between the different zones;\u003c\/li\u003e\n\u003cli\u003eactual heating needs in winter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003eminimum capacity\u003c\/strong\u003e is particularly important in a small space.\u003c\/p\u003e\n\u003cp\u003eAccording to the documentation, the system can modulate in cooling mode from approximately \u003cstrong\u003e3,000 to 10,500 BTU\/h\u003c\/strong\u003e, and in heating mode from approximately \u003cstrong\u003e3,100 to 11,000 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis allows the compressor to slow down when demand is low instead of operating at full capacity all the time.\u003c\/p\u003e\n\u003cp\u003eIn a small office or bedroom, this modulation can contribute to a more stable temperature and longer operating cycles, which is generally preferable to an oversized unit that starts and stops frequently.\u003c\/p\u003e\n\u003ch3\u003eHigh seasonal efficiency: SEER2 27.4\u003c\/h3\u003e\n\u003cp\u003eOne of the figures that distinguishes this model is its \u003cstrong\u003eSEER2 of 27.4\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe brochure also states:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eEER2: 14.5\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2 Region 4: 13.9\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2 Region 5: 9.8\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCOP: 3.55\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese values appear in the official SENA-09HF technical table. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSEER2\u003c\/strong\u003e is used to compare seasonal cooling efficiency. The higher it is, the less electricity the unit generally needs to produce a given amount of cooling under the standardized conditions used for certification.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eHSPF2\u003c\/strong\u003e relates more specifically to seasonal heating efficiency.\u003c\/p\u003e\n\u003cp\u003eFor homeowners in \u003cstrong\u003eMontreal, Laval, Longueuil, Boucherville, Terrebonne, and the North Shore\u003c\/strong\u003e, this second figure is particularly important, since a wall-mounted heat pump often operates much longer in heating mode than in cooling mode over the course of a full year.\u003c\/p\u003e\n\u003ch3\u003e9,000 BTU for cooling, but a different heating capacity\u003c\/h3\u003e\n\u003cp\u003eThe rated cooling capacity is \u003cstrong\u003e9,000 BTU\/h\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eHowever, the manufacturer's documentation indicates a rated heating capacity of \u003cstrong\u003e9,800 BTU\/h\u003c\/strong\u003e, with a modulating range of \u003cstrong\u003e3,100 to 11,000 BTU\/h\u003c\/strong\u003e under the reference conditions used for the technical specifications. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOn the AirGreen product page for the \u003cstrong\u003eSENA-09HF-OG \/ SENA-09HF-IGG\u003c\/strong\u003e units, we also have the following heating data:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e12,000 BTU at -8 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e11,500 BTU at -15 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e5,100 BTU at -30 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese figures illustrate an important reality that we regularly discuss with our customers: a heat pump can continue operating in extremely cold weather without retaining its maximum capacity.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e-30 °C\u003c\/strong\u003e, a rated capacity of 5,100 BTU represents actual heat output, but it may be insufficient on its own to cover the heat loss of a room or home during a cold snap.\u003c\/p\u003e\n\u003cp\u003eThat is why we avoid presenting the statement “heating down to -30 °C” as if it meant “full capacity at -30 °C.”\u003c\/p\u003e\n\u003cp\u003eThe Senville brochure does indeed confirm a \u003cstrong\u003eminimum outdoor heating temperature of -30 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy this distinction matters in Montreal’s climate\u003c\/h3\u003e\n\u003cp\u003eLet’s take a typical example: a 400 sq. ft. room in a newer condo in Laval and a room of the same size on the top floor of a 1950s Montreal duplex.\u003c\/p\u003e\n\u003cp\u003eThe floor area is identical.\u003c\/p\u003e\n\u003cp\u003eThe heating load can nevertheless be very different.\u003c\/p\u003e\n\u003cp\u003eIn the second case, heat losses through the walls, roof, and windows can be significantly higher. When the outdoor temperature drops below -20 °C, this difference becomes important.\u003c\/p\u003e\n\u003cp\u003eOur role is therefore to determine whether the \u003cstrong\u003e9,000 BTU SENVILLE\u003c\/strong\u003e can cover most of the demand or whether supplemental heating should remain available.\u003c\/p\u003e\n\u003cp\u003eThis is especially important for a heat pump installed in a bedroom, office, or home where the existing electric heating remains in place.\u003c\/p\u003e\n\u003ch3\u003eA unit designed for spaces where silence matters\u003c\/h3\u003e\n\u003cp\u003eNoise is often secondary when comparing specification sheets. In practice, it quickly becomes a priority when an indoor unit is installed a few metres from a bed or workstation.\u003c\/p\u003e\n\u003cp\u003eThe SENA-09HF documentation indicates the following sound levels for the indoor unit:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e45 dB(A) in Turbo mode\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e37 dB(A) at high speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e31 dB(A) at medium speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e23 dB(A) at low speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe corresponding airflow ranges from:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e425 CFM in Turbo mode\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e340 CFM at high speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e260 CFM at medium speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e200 CFM at low speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese figures are particularly relevant for a \u003cstrong\u003ewall-mounted heat pump for a bedroom\u003c\/strong\u003e, small living room, or office. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt low speed, the \u003cstrong\u003e23 dB(A)\u003c\/strong\u003e level is one of the most appealing technical features of this format.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit’s sound level is listed at \u003cstrong\u003e56 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eEven for an installation on a balcony or near a bedroom, we pay particular attention to the condenser’s placement, vibrations, and the structure to which it is attached.\u003c\/p\u003e\n\u003ch3\u003eCompact dimensions, but they should be verified before installation\u003c\/h3\u003e\n\u003cp\u003eSenville documentation indicates the following for the indoor unit:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e33.40 in × 9.18 in × 11.76 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eand weighs approximately \u003cstrong\u003e22.05 lb\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit measures:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e28.74 in × 11.02 in × 19.49 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eand weighs approximately \u003cstrong\u003e66.14 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe sheet currently published by AirGreen shows a different indoor dimension, namely \u003cstrong\u003e28.43 × 7.36 × 11.42 in\u003c\/strong\u003e, as well as an outdoor dimension of \u003cstrong\u003e30.12 × 11.93 × 21.85 in\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSince these measurements do not correspond exactly to the supplied brochure, the \u003cstrong\u003efinal dimensions must be confirmed on the technical sheet corresponding precisely to the delivered SENA-09HF-OG and SENA-09HF-IGG units before preparing clearance or an opening to the nearest millimeter\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis is exactly the type of detail we check before an installation when available space is limited.\u003c\/p\u003e\n\u003ch3\u003eAutomatic horizontal and vertical louvers\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen listing states:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003evertical louver: automatic\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ehorizontal louver: automatic\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis feature is important on a low-capacity unit intended to cover a specific room.\u003c\/p\u003e\n\u003cp\u003eGood airflow can help distribute heating or cooling more evenly, particularly in a rectangular living room or a space with a work area far from the unit.\u003c\/p\u003e\n\u003cp\u003eHowever, motorized louvers cannot correct a poor location.\u003c\/p\u003e\n\u003cp\u003eInstalling the evaporator above a large cabinet, directly facing a nearby partition, or in a corner where air remains trapped reduces distribution quality.\u003c\/p\u003e\n\u003ch3\u003eWiFi and Alexa control\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWiFi is included\u003c\/strong\u003e in the configuration presented by AirGreen.\u003c\/p\u003e\n\u003cp\u003eSenville documentation also mentions the \u003cstrong\u003eAlexa\u003c\/strong\u003e-compatible smart control, as well as control through an app that allows users to adjust the temperature and create schedules, among other functions. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a homeowner who uses the heat pump as the main source of heating for a room, scheduling can be especially convenient.\u003c\/p\u003e\n\u003cp\u003eFor example, in an office used from Monday to Friday, operating periods can be adjusted rather than leaving the same setting in place 24 hours a day.\u003c\/p\u003e\n\u003ch3\u003eBuilt-in diagnostics and leak detection\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer's documentation also mentions a \u003cstrong\u003eself-diagnostic and leak-detection system\u003c\/strong\u003e designed to facilitate the identification of certain issues. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis feature obviously does not replace a diagnosis performed by a refrigeration technician when a problem occurs.\u003c\/p\u003e\n\u003cp\u003eA drop in performance can have many causes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea clogged filter;\u003c\/li\u003e\n\u003cli\u003ea dirty heat exchanger;\u003c\/li\u003e\n\u003cli\u003ea drainage problem;\u003c\/li\u003e\n\u003cli\u003erestricted airflow;\u003c\/li\u003e\n\u003cli\u003ean electrical fault;\u003c\/li\u003e\n\u003cli\u003ea communication problem;\u003c\/li\u003e\n\u003cli\u003ean inadequate amount of refrigerant;\u003c\/li\u003e\n\u003cli\u003ean actual leak in the refrigeration circuit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAn error code is therefore a starting point for \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e or a \u003cstrong\u003eservice call\u003c\/strong\u003e, not a complete diagnosis on its own.\u003c\/p\u003e\n\u003ch3\u003eR-454B refrigerant and 1\/4 in – 3\/8 in lines\u003c\/h3\u003e\n\u003cp\u003eThis generation uses \u003cstrong\u003eR-454B refrigerant\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen specification sheet indicates piping of:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1\/4 in – 3\/8 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe brochure specifies a refrigerant charge of \u003cstrong\u003e37.15 oz\u003c\/strong\u003e and a \u003cstrong\u003efactory charge intended for 25 feet of piping\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe manufacturer also indicates that a 50-foot line set requires additional refrigerant to be added on-site by the installer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor us, this detail is important.\u003c\/p\u003e\n\u003cp\u003eIn a simple installation, the indoor unit is sometimes directly on the other side of the wall from the condenser. But in a condo, duplex, or row house, the route can become much longer.\u003c\/p\u003e\n\u003cp\u003eWe must then take into account:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe actual piping length;\u003c\/li\u003e\n\u003cli\u003echanges in elevation;\u003c\/li\u003e\n\u003cli\u003ethe outdoor route;\u003c\/li\u003e\n\u003cli\u003emechanical protection;\u003c\/li\u003e\n\u003cli\u003efuture access for servicing;\u003c\/li\u003e\n\u003cli\u003ethe manufacturer's load specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e220 V power supply: pay attention to MCA and MOP values\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen listing states:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eVoltage: 220 V\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 12 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMOP: 15 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Senville brochure gives the following for the SENA-09HF:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e208\/230 V, 1 phase, 60 Hz\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003evoltage range: 187 to 253 V\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMinimum Circuit Ampacity: 10 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003emaximum fuse: 15 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003econnection wiring: 14\/4 AWG\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHere again, we observe a difference between the \u003cstrong\u003eMCA value of 12 A shown on the AirGreen specification sheet\u003c\/strong\u003e and the value of \u003cstrong\u003e10 A in the supplied brochure\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor an electrical installation, we never choose the protection based on an approximate value found on a commercial page. We check the nameplate of the equipment delivered and the documentation applicable to the exact model number.\u003c\/p\u003e\n\u003cp\u003eThe maximum protection of \u003cstrong\u003e15 A\u003c\/strong\u003e is consistent between the two sources.\u003c\/p\u003e\n\u003ch2\u003eWhat we check at AirGreen before installing this SENVILLE 9,000 BTU\u003c\/h2\u003e\n\u003ch3\u003eA successful installation starts with the right location\u003c\/h3\u003e\n\u003cp\u003eDuring our work in \u003cstrong\u003eMontréal, Laval, Longueuil, on the South Shore and the North Shore\u003c\/strong\u003e, we regularly encounter homes where the owner knows exactly which room they want a heat pump in, but not necessarily which wall.\u003c\/p\u003e\n\u003cp\u003eThis decision strongly influences the outcome.\u003c\/p\u003e\n\u003cp\u003eFor a \u003cstrong\u003e9,000 BTU\u003c\/strong\u003e unit, we look for a location that allows:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ean unobstructed air discharge;\u003c\/li\u003e\n\u003cli\u003egood airflow in the occupied area;\u003c\/li\u003e\n\u003cli\u003ea logical condensate drain;\u003c\/li\u003e\n\u003cli\u003ea reasonable refrigeration line route;\u003c\/li\u003e\n\u003cli\u003eproper accessibility for future cleaning;\u003c\/li\u003e\n\u003cli\u003ean outdoor location suitable for snow and defrosting.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eDrainage is just as important as the refrigeration circuit\u003c\/h3\u003e\n\u003cp\u003eIn air conditioning and dehumidification, the evaporator produces water.\u003c\/p\u003e\n\u003cp\u003eThe brochure indicates a moisture removal capacity of \u003cstrong\u003e1.0 L\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis water must be drained properly.\u003c\/p\u003e\n\u003cp\u003eAn improperly positioned drain or insufficient slope can lead to problems unrelated to compressor quality: drainage noise, water accumulation, indoor leaks, or more difficult maintenance.\u003c\/p\u003e\n\u003cp\u003eWhen gravity drainage is not possible, we sometimes need to plan a different solution, notably a condensate pump suited to the project.\u003c\/p\u003e\n\u003ch3\u003eThe outdoor support must be designed for Quebec winters.\u003c\/h3\u003e\n\u003cp\u003eAn outdoor unit should not be installed like a simple air conditioner intended to operate only in July.\u003c\/p\u003e\n\u003cp\u003eA \u003cstrong\u003ewall-mounted heat pump used for heating\u003c\/strong\u003e produces water during defrost cycles.\u003c\/p\u003e\n\u003cp\u003eWe therefore take into account:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eheight above the ground;\u003c\/li\u003e\n\u003cli\u003esnow accumulation;\u003c\/li\u003e\n\u003cli\u003ewinter drainage;\u003c\/li\u003e\n\u003cli\u003eproximity to an entrance or walkway;\u003c\/li\u003e\n\u003cli\u003evibrations;\u003c\/li\u003e\n\u003cli\u003eaccess for maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOn the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e or the \u003cstrong\u003eNorth Shore\u003c\/strong\u003e, a unit installed too low may become surrounded by snow during a major storm. On a Montreal balcony, the available space and the drainage of defrost water sometimes determine the configuration.\u003c\/p\u003e\n\u003ch3\u003eMaintenance of a 9,000 BTU unit should not be neglected because the appliance is small.\u003c\/h3\u003e\n\u003cp\u003eThe performance of a heat pump depends directly on airflow.\u003c\/p\u003e\n\u003cp\u003eDust-laden filters progressively restrict airflow. A dirty coil or blower wheel can also reduce performance and increase noise.\u003c\/p\u003e\n\u003cp\u003eWe therefore recommend:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eclean the filters regularly;\u003c\/li\u003e\n\u003cli\u003emonitor the condition of the indoor coil;\u003c\/li\u003e\n\u003cli\u003ekeep the outdoor unit clear;\u003c\/li\u003e\n\u003cli\u003echeck that no excessive snow or ice is blocking the condenser;\u003c\/li\u003e\n\u003cli\u003ehave a \u003cstrong\u003eprofessional HVAC maintenance service\u003c\/strong\u003e performed when the unit shows reduced performance, a persistent odor, or unusual noise levels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat warranty applies?\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen listing states:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10 years compressor – 10 years parts – 0 years labor\u003c\/strong\u003e, with the possibility of an additional warranty.\u003c\/p\u003e\n\u003cp\u003eThe Senville documentation provided, for its part, indicates \u003cstrong\u003e10 years on the compressor and 5 years on parts\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe brochure also specifies that \u003cstrong\u003eprofessional installation is required to maintain warranty coverage\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSince the conditions may depend on registration, the sales channel, and the applicable program, we confirm the exact terms associated with the equipment sold at the time of quotation.\u003c\/p\u003e\n\u003ch3\u003eWhat about the LogisVert rebate?\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen listing includes a \u003cstrong\u003eLogisVert Provincial Rebate\u003c\/strong\u003e section, but no amount is currently specified for this configuration.\u003c\/p\u003e\n\u003cp\u003eWe prefer not to announce an unconfirmed amount.\u003c\/p\u003e\n\u003cp\u003eEligibility for rebate programs depends on the exact model, applicable certifications, and the rules in effect at the time of installation. Before basing a purchase decision on financial assistance, we therefore recommend verifying the current eligibility of the \u003cstrong\u003eSENA-09HF-OG \/ SENA-09HF-IGG\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eFor which projects would we choose this format?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE 9,000 BTU\u003c\/strong\u003e is particularly suitable when we need to condition a limited area without installing an oversized unit.\u003c\/p\u003e\n\u003cp\u003eFor example:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea primary bedroom;\u003c\/li\u003e\n\u003cli\u003ea small condo;\u003c\/li\u003e\n\u003cli\u003ea studio;\u003c\/li\u003e\n\u003cli\u003ea home office;\u003c\/li\u003e\n\u003cli\u003ean enclosed family room;\u003c\/li\u003e\n\u003cli\u003ea residential extension;\u003c\/li\u003e\n\u003cli\u003ea small commercial space;\u003c\/li\u003e\n\u003cli\u003ea problem room located far from the central system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a highly compartmentalized home, however, we must be realistic. A single wall-mounted unit cannot effectively distribute its heat behind several closed doors.\u003c\/p\u003e\n\u003cp\u003eIn this type of situation, we may recommend a different location, multiple units, or another \u003cstrong\u003eHVAC system\u003c\/strong\u003e configuration.\u003c\/p\u003e\n\u003ch3\u003eWho is this model less suitable for?\u003c\/h3\u003e\n\u003cp\u003eWe would be cautious about this 9,000 BTU model for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea large open area with high heat loss;\u003c\/li\u003e\n\u003cli\u003eseveral enclosed rooms that must be maintained at the same temperature;\u003c\/li\u003e\n\u003cli\u003ea space where the actual load significantly exceeds the available capacity;\u003c\/li\u003e\n\u003cli\u003ea project where heating at very low temperatures must cover 100% of the heat loss without any backup heat source.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAt \u003cstrong\u003e-30 °C\u003c\/strong\u003e, the AirGreen specifications indicate a maximum capacity of \u003cstrong\u003e5,100 BTU\u003c\/strong\u003e. This figure must therefore be considered in any serious heating analysis.\u003c\/p\u003e\n\u003ch3\u003eOur assessment of the SENVILLE 9,000 BTU\u003c\/h3\u003e\n\u003cp\u003eWhat stands out to us is not only its rated capacity.\u003c\/p\u003e\n\u003cp\u003eIt is mainly the combination of several features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2 of 27.4\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2 Region 5 of 9.8\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ecooling modulation down to approximately \u003cstrong\u003e3,000 BTU\/h\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eheating operation specified down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eindoor sound level as low as \u003cstrong\u003e23 dB(A)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWi-Fi\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eAlexa-compatible control according to the brochure;\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eR-454B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1\/4 in – 3\/8 in\u003c\/strong\u003e piping\n\u003c\/li\u003e\n\u003cli\u003erelatively light electrical circuit with maximum protection of \u003cstrong\u003e15 A\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a properly sized small area, this combination can produce a very different result from a heat pump chosen simply because it is “big enough.”\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we prefer to choose a capacity that matches the building, then install the unit so that it can perform properly at that capacity.\u003c\/p\u003e\n\u003ch3\u003eA good 9,000 BTU heat pump starts with proper sizing\u003c\/h3\u003e\n\u003cp\u003eIf you are considering the \u003cstrong\u003eSENVILLE 9,000 BTU 220 V Mini Split\u003c\/strong\u003e for a property in \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, the North Shore, or Montérégie\u003c\/strong\u003e, we can check whether this capacity is truly suitable for your space, determine the best location for the indoor unit, and prepare an installation suited to the building.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact AirGreen to obtain a quote, check the specifications of the SENA-09HF-OG \/ SENA-09HF-IGG model, confirm eligibility for available rebates, and schedule a professional HVAC installation in Greater Montreal.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56119909384484,"sku":"SENA-09HF-OG","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MURALE_SENVILLE_LETO_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_e5ed19ae-3dcc-4634-bddb-6ffb0af9a541.png?v=1789049849"},{"product_id":"mini-split-senville-leto-12000-btu-220v-montreal-laval-rive-sud","title":"SENVILLE LETO Mini-Split | 12000 BTU 220V | Montréal, Laval, South Shore","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA highly efficient 12,000 BTU format for heating and cooling a specific area without oversizing the installation\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eIn the residential projects we assess at \u003cstrong\u003eAirGreen in Montreal, Laval, Longueuil, on the South Shore and the North Shore\u003c\/strong\u003e, the category of \u003cstrong\u003e12,000 BTU wall-mounted heat pumps\u003c\/strong\u003e comes up constantly. The reason is simple: this capacity suits many primary bedrooms, living rooms, offices, condos, basements, and medium-sized spaces where an 18,000 or 24,000 BTU unit would be unnecessarily large.\u003c\/p\u003e\n\u003cp\u003eThe system associated with this AirGreen product page consists of the \u003cstrong\u003eSENA-12HF-OG\u003c\/strong\u003e outdoor unit and the \u003cstrong\u003eSENA-12HF-IGG\u003c\/strong\u003e indoor unit, with \u003cstrong\u003eAHRI 215735296\u003c\/strong\u003e certification. It operates on a \u003cstrong\u003e208\/230 V\u003c\/strong\u003e power supply, uses \u003cstrong\u003eR-454B\u003c\/strong\u003e refrigerant, includes WiFi, and holds \u003cstrong\u003eENERGY STAR®\u003c\/strong\u003e and \u003cstrong\u003eENERGY STAR® Cold Climate\u003c\/strong\u003e certifications.\u003c\/p\u003e\n\u003cp\u003eHowever, an important clarification must be made regarding the product name: \u003cstrong\u003ethe attached manufacturer documentation identifies the SENA-12HF as a model in the SENVILLE AURA series, not LETO\u003c\/strong\u003e. The brochure clearly presents the product as a “12000 BTU Mini Split Air Conditioner – Heat Pump – AURA Series” and uses the model number SENA-12HF. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e The technical specifications presented below therefore correspond to the \u003cstrong\u003eSENA-12HF documented by Senville\u003c\/strong\u003e. This designation should be standardized on the product page before publication to avoid any confusion for the customer.\u003c\/p\u003e\n\u003ch3\u003eA 12,000 BTU unit that covers far more than basic air-conditioning needs\u003c\/h3\u003e\n\u003cp\u003eSenville recommends this model for an indicative area of approximately \u003cstrong\u003e500 to 750 sq. ft.\u003c\/strong\u003e, positioning it as a solution intended for medium-sized rooms. The documentation also states a \u003cstrong\u003eSEER2 of 25.4\u003c\/strong\u003e, heating down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e, Alexa integration, quiet operation, and the requirement for professional installation to preserve warranty coverage. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, however, we always use recommended square-footage ranges with caution.\u003c\/p\u003e\n\u003cp\u003eA 650 sq. ft. room in a newer \u003cstrong\u003eBoucherville\u003c\/strong\u003e construction with good insulation, few windows, and standard ceilings does not necessarily have the same thermal load as a 650 sq. ft. space in an older building in \u003cstrong\u003eMontreal\u003c\/strong\u003e, with large windows, several exterior walls, and air infiltration.\u003c\/p\u003e\n\u003cp\u003eBefore a \u003cstrong\u003ewall-mounted heat pump installation\u003c\/strong\u003e, we consider factors such as the floor area, ceiling height, insulation, solar exposure, windows, the number of walls facing outdoors, and how the air will circulate.\u003c\/p\u003e\n\u003cp\u003eThis analysis is precisely what helps avoid two common mistakes: choosing a heat pump that is too small and runs constantly at maximum capacity, or installing a unit that is too large and reaches its setpoint too quickly without properly using its modulation.\u003c\/p\u003e\n\u003ch3\u003eAn inverter range of 3,500 to 13,500 BTU in cooling mode\u003c\/h3\u003e\n\u003cp\u003eThe nominal cooling capacity is \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e, but the inverter compressor can modulate between approximately \u003cstrong\u003e3,500 and 13,500 BTU\/h\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor heating, Senville indicates a nominal capacity of \u003cstrong\u003e13,000 BTU\/h\u003c\/strong\u003e, with a modulation range from \u003cstrong\u003e4,000 to 14,500 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis information is far more revealing than the simple figure “12,000 BTU.”\u003c\/p\u003e\n\u003cp\u003eWhen a room is warm in the early afternoon, the heat pump can increase its output. Once the desired temperature is reached, it can gradually reduce its output instead of constantly alternating between completely off and maximum operation.\u003c\/p\u003e\n\u003cp\u003eIn a properly sized installation, this modulation helps provide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003emore stable indoor temperature;\u003c\/li\u003e\n\u003cli\u003efewer noticeable variations between cycles;\u003c\/li\u003e\n\u003cli\u003ebetter acoustic comfort at low output;\u003c\/li\u003e\n\u003cli\u003eenergy consumption better matched to actual demand;\u003c\/li\u003e\n\u003cli\u003emore consistent dehumidification during the summer season.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor us, this is one of the reasons why \u003cstrong\u003eproper sizing of a 12,000 BTU heat pump\u003c\/strong\u003e is just as important as its efficiency ratings.\u003c\/p\u003e\n\u003ch3\u003eSEER2 25.4: a figure that puts efficiency at the heart of the project\u003c\/h3\u003e\n\u003cp\u003eSenville documentation states a \u003cstrong\u003eSEER2 of 25.4\u003c\/strong\u003e and an \u003cstrong\u003eEER2 of 13.5\u003c\/strong\u003e. For heating, it lists an \u003cstrong\u003eHSPF2-4 of 13.7\u003c\/strong\u003e, an \u003cstrong\u003eHSPF2-5 of 9.6\u003c\/strong\u003e, and a nominal COP of \u003cstrong\u003e3.45\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese ratings make it possible to compare units with similar capacities.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSEER2\u003c\/strong\u003e represents seasonal cooling efficiency. A higher rating is especially valuable when the unit will operate frequently during the summer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHSPF2\u003c\/strong\u003e relates more to seasonal heating performance and is highly relevant in Quebec, where a heat pump may accumulate far more operating hours in heating mode than in cooling mode.\u003c\/p\u003e\n\u003cp\u003eSenville also presents this model as \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e, with a design intended for cold climates. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhat -8 °C, -15 °C, and -30 °C really mean\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specification sheet provided for the \u003cstrong\u003eSENA-12HF-OG + SENA-12HF-IGG\u003c\/strong\u003e system indicates:\u003c\/p\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eOutdoor temperature\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eStated heating capacity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-8 °C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-15 °C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e11,500 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-30 °C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5,900 BTU\/h maximum\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eThese figures tell us much more about the performance of a Quebec heat pump than the simple statement “heating down to -30 °C.”\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e-15 °C\u003c\/strong\u003e, the unit remains very close to its nominal output of 12,000 BTU. At \u003cstrong\u003e-30 °C\u003c\/strong\u003e, it can still produce heat, but its available capacity drops to approximately \u003cstrong\u003e5,900 BTU\/h maximum\u003c\/strong\u003e according to the AirGreen specification sheet.\u003c\/p\u003e\n\u003cp\u003eThe manufacturer’s brochure also confirms a minimum outdoor operating temperature in heating mode of \u003cstrong\u003e-22 °F, or -30 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a distinction we regularly make during our assessments at AirGreen. \u003cstrong\u003eOperating at -30 °C does not mean providing 12,000 BTU at -30 °C.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn a \u003cstrong\u003eGreater Montreal\u003c\/strong\u003e home, the heat pump can therefore provide a significant portion of the heating for much of the winter, but the building’s needs must be compared with the capacity actually available when temperatures drop sharply.\u003c\/p\u003e\n\u003ch3\u003eAn interesting model for bedrooms, offices, living rooms, and condos\u003c\/h3\u003e\n\u003cp\u003eSenville’s recommended range of \u003cstrong\u003e500 to 750 sq. ft.\u003c\/strong\u003e provides a good general indication, but air distribution remains essential. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn our \u003cstrong\u003eHVAC installation\u003c\/strong\u003e work, we often see spaces that look similar on paper but require different solutions.\u003c\/p\u003e\n\u003cp\u003eIn an open-concept condo, a single 12,000 BTU unit can sometimes distribute air effectively throughout the living room, dining room, and part of the kitchen.\u003c\/p\u003e\n\u003cp\u003eIn a home with many separate rooms, the same capacity will not guarantee that air reaches a bedroom located behind two doors and a hallway.\u003c\/p\u003e\n\u003cp\u003eThat is why we do not promise that a single unit will heat or cool multiple rooms simply because their total area falls within a theoretical range.\u003c\/p\u003e\n\u003ch3\u003eAn airflow rate of up to 530 CFM\u003c\/h3\u003e\n\u003cp\u003eThe SENA-12HF offers four indoor airflow levels according to the brochure:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e530 CFM in Turbo, 410 CFM at high speed, 320 CFM at medium speed, and 240 CFM at low speed.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe corresponding sound levels are \u003cstrong\u003e47, 40, 34 and 24 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis range is particularly useful in a 12,000 BTU unit.\u003c\/p\u003e\n\u003cp\u003eWhen a room needs to be cooled quickly after prolonged exposure to the sun, Turbo mode can move more air. At night or when the temperature has stabilized, low-speed operation considerably reduces noise.\u003c\/p\u003e\n\u003cp\u003eFor a bedroom, home office, or living room, a stated minimum level of \u003cstrong\u003e24 dB(A)\u003c\/strong\u003e is therefore a concrete feature, provided that the unit is properly installed and does not have to operate constantly at maximum speed to compensate for incorrect sizing.\u003c\/p\u003e\n\u003ch3\u003eThe location of the louvers matters as much as their automation\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specifications indicate \u003cstrong\u003eautomatic control of the vertical and horizontal louvers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis helps distribute the air more evenly, but it does not correct a poor initial location.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we avoid positioning an indoor unit whenever possible so that it sends its main airflow directly:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003edirectly over a bed;\u003c\/li\u003e\n\u003cli\u003etoward a sofa located very close by;\u003c\/li\u003e\n\u003cli\u003eat a fixed workstation;\u003c\/li\u003e\n\u003cli\u003eagainst a partition directly opposite;\u003c\/li\u003e\n\u003cli\u003ein a direction opposite the main areas to be treated.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA wall-mounted heat pump works best when it can project its air through the depth of the space. The natural circulation of this air often matters more than a minor difference between two specification sheets.\u003c\/p\u003e\n\u003ch3\u003eDimensions: allow space before choosing the location\u003c\/h3\u003e\n\u003cp\u003eThe Senville brochure indicates for the indoor unit:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e33.4 in wide × 9.18 in deep × 11.76 in high\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ewith a weight of \u003cstrong\u003e24.25 lb\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor the outdoor unit:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e30.31 in × 12.20 in × 21.65 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ewith a weight of \u003cstrong\u003e82.67 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese dimensions are important when the installation must be carried out above a door, between a window and an adjacent wall, or in a room where wall space is limited.\u003c\/p\u003e\n\u003cp\u003eOutside, we must also maintain the necessary clearances around the unit to ensure adequate heat exchange and facilitate future \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAn installation that is too close to a wall, beneath a structure, or in a cluttered space can impair operation even if the heat pump itself is correctly sized.\u003c\/p\u003e\n\u003ch2\u003eR-454B, WiFi, 220 V power supply, and installation: the details that make a difference in the field\u003c\/h2\u003e\n\u003ch3\u003eR-454B and refrigerant charge for 25 feet\u003c\/h3\u003e\n\u003cp\u003eThis version of the SENA-12HF operates with \u003cstrong\u003eR-454B\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe brochure indicates a charge of \u003cstrong\u003e40.92 oz\u003c\/strong\u003e and a factory charge intended for a piping length of up to \u003cstrong\u003e25 feet\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSenville also specifies that a configuration with a 50-foot line set requires additional refrigerant to be charged on site by the installer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis information is important because the actual routing length is not always the visible distance between the two units.\u003c\/p\u003e\n\u003cp\u003eAn indoor unit may be installed on a living room wall while the piping must rise, go around a window, pass through a structure, and descend toward the outdoor unit. The actual amount of piping may therefore be considerably greater than the straight-line distance measured.\u003c\/p\u003e\n\u003ch3\u003e1\/4 in – 3\/8 in piping: to be checked during a replacement\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specification sheet specifies \u003cstrong\u003e1\/4 in – 3\/8 in\u003c\/strong\u003e piping.\u003c\/p\u003e\n\u003cp\u003eWhen replacing an old heat pump, we never assume that the existing piping can automatically be kept.\u003c\/p\u003e\n\u003cp\u003eWe must check its diameter, condition, routing, and compatibility with the new system. An existing line may appear visually suitable for reuse while not meeting the new unit’s technical requirements.\u003c\/p\u003e\n\u003cp\u003eIn some projects in \u003cstrong\u003eMontreal or Laval\u003c\/strong\u003e, this verification can make a significant difference when the lines run through finished walls or difficult-to-access areas.\u003c\/p\u003e\n\u003ch3\u003e208\/230 V, MCA 12 A, and maximum protection of 15 A according to the brochure\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer specifies a power supply:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ewith a voltage range of \u003cstrong\u003e187 to 253 V\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe brochure also indicates a \u003cstrong\u003eminimum circuit ampacity of 12 A\u003c\/strong\u003e and \u003cstrong\u003emaximum protection of 15 A\u003c\/strong\u003e. It specifies \u003cstrong\u003e14\/4 AWG\u003c\/strong\u003e connection wiring. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis data must be used to plan the electrical supply correctly.\u003c\/p\u003e\n\u003cp\u003eThe provided AirGreen specification sheet currently mentions an MCA of 13 A, while the attached manufacturer’s brochure indicates 12 A. For an actual installation, the requirements shown on the \u003cstrong\u003enameplate of the delivered equipment and in the applicable documentation\u003c\/strong\u003e must always be confirmed before electrical work begins.\u003c\/p\u003e\n\u003cp\u003eThis check is particularly important when replacing an older heat pump and the owner wants to reuse an existing circuit.\u003c\/p\u003e\n\u003ch3\u003eWiFi and Alexa: more than simple remote control\u003c\/h3\u003e\n\u003cp\u003eThe SENA-12HF is compatible with \u003cstrong\u003eAlexa\u003c\/strong\u003e and can be controlled through an app. The brochure indicates that settings can be changed remotely and operating schedules can be created. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe manufacturer includes a wireless remote control and an \u003cstrong\u003eAlexa USB Kit\u003c\/strong\u003e with the system, along with the indoor unit, outdoor unit, wiring harness, and manuals. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn everyday use, this connectivity becomes particularly practical for a heat pump installed in:\u003c\/p\u003e\n\u003cp\u003ea basement used only in the evening, a home office, a rental unit, a secondary residence, or an area that one wants to bring back to temperature before arriving.\u003c\/p\u003e\n\u003cp\u003eThe goal is not simply to control the unit with a phone. Consistent programming can also prevent maintaining the same temperature unnecessarily throughout all hours when no one is present.\u003c\/p\u003e\n\u003ch3\u003eDehumidification: a factor not to overlook during the Montreal summer\u003c\/h3\u003e\n\u003cp\u003eThe documentation indicates a moisture-removal capacity of \u003cstrong\u003e1.4 L\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn the humid climate of \u003cstrong\u003eMontreal, Laval, Longueuil, and Montérégie\u003c\/strong\u003e, this function contributes to comfort during hot periods.\u003c\/p\u003e\n\u003cp\u003eBut for it to work properly, condensate drainage must be properly designed.\u003c\/p\u003e\n\u003cp\u003eIn the field, an installation may be technically functional while later creating problems if the drain has insufficient slope, an unsuitable route, or an outlet exposed to the risk of blockage.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, drain routing is therefore part of the planning from the outset, just like the refrigerant piping and wiring.\u003c\/p\u003e\n\u003ch3\u003eSelf-diagnostics and leak detection: useful, but not a replacement for maintenance\u003c\/h3\u003e\n\u003cp\u003eSenville indicates that this model has \u003cstrong\u003eself-diagnostic and leak-detection functions\u003c\/strong\u003e, designed to report certain problems and facilitate maintenance. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese features are useful, but a wall-mounted heat pump must always be maintained.\u003c\/p\u003e\n\u003cp\u003eThe filters must be cleaned regularly. The evaporator must remain clean. The drain must maintain free flow. The outdoor unit must be able to breathe properly.\u003c\/p\u003e\n\u003cp\u003eA high-efficiency appliance whose airflow is reduced by dirty filters cannot fully deliver its rated performance.\u003c\/p\u003e\n\u003ch3\u003eA customer review that clearly illustrates the importance of professional installation\u003c\/h3\u003e\n\u003cp\u003eThe attached brochure includes a comment from a verified buyer dated August 27, 2026. The customer explains that they completed part of the work themselves because of their experience as an electrician, but hired an HVAC contractor to evacuate and charge the lines, an operation they considered outside their expertise and necessary for the warranty. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis testimonial aligns exactly with a reality we observe in installations.\u003c\/p\u003e\n\u003cp\u003eMounting a unit on a wall represents only a small part of the work. The final quality also depends on the refrigerant connection, evacuation, leak-tightness, evacuation to vacuum, charging, drainage, and commissioning.\u003c\/p\u003e\n\u003cp\u003eThis is when the quality of a \u003cstrong\u003eprofessional HVAC installation\u003c\/strong\u003e truly matters.\u003c\/p\u003e\n\u003ch3\u003eWarranty: verify the exact terms before sale\u003c\/h3\u003e\n\u003cp\u003eThe provided AirGreen document currently displays a warranty of \u003cstrong\u003e10 years on the compressor – 10 years on parts – 0 years on labor\u003c\/strong\u003e, with the possibility of additional protection.\u003c\/p\u003e\n\u003cp\u003eThe attached Senville brochure, for its part, indicates \u003cstrong\u003e10 years on the compressor and 5 years on parts\u003c\/strong\u003e. This information appears both in the product presentation and in the technical table. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis difference must be clarified before publication or before presenting warranty coverage to the customer. Some warranties may depend on registration, the distributor, the applicable program, or the terms of sale.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we always prefer to confirm precisely what covers \u003cstrong\u003ethe compressor, parts, and labor\u003c\/strong\u003e, rather than leaving the customer to interpret a generic “10-year warranty” statement.\u003c\/p\u003e\n\u003ch3\u003eLogisVert rebate: $1,440 indicated on the AirGreen document\u003c\/h3\u003e\n\u003cp\u003eThe submitted document indicates a \u003cstrong\u003e$1,440 LogisVert provincial rebate\u003c\/strong\u003e, with an update dated \u003cstrong\u003eNovember 26, 2025\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt also provides the identifiers:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAHRI 215735296\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eENERGY STAR® Cold Climate: yes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eENERGY STAR ID: 3630043\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBecause rebate programs and their criteria may change, the actual applicable amount must be confirmed at the time of submission.\u003c\/p\u003e\n\u003cp\u003eFor us, the exact model numbers are essential during this verification. A difference of one letter or one indoor\/outdoor combination may correspond to a different certification and therefore different eligibility.\u003c\/p\u003e\n\u003ch3\u003eThe type of project where we favor a 12,000 BTU unit like this one\u003c\/h3\u003e\n\u003cp\u003eA typical scenario we encounter in the \u003cstrong\u003eGreater Montreal Area\u003c\/strong\u003e is a medium-sized main living space that becomes uncomfortable in summer and expensive to heat with electric baseboards during winter.\u003c\/p\u003e\n\u003cp\u003eThe homeowner often hesitates between a 12,000 BTU unit and a larger model “just to be sure.”\u003c\/p\u003e\n\u003cp\u003eOur approach is to verify the needs before increasing capacity.\u003c\/p\u003e\n\u003cp\u003eIf the calculation and building configuration correspond to 12,000 BTU, the modulation range of \u003cstrong\u003e3,500 to 13,500 BTU in cooling\u003c\/strong\u003e and \u003cstrong\u003e4,000 to 14,500 BTU in heating\u003c\/strong\u003e already allows for significant adjustment. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAutomatically moving up to 18,000 BTU may therefore be unnecessary, especially in a space where the actual load is much lower most of the time.\u003c\/p\u003e\n\u003cp\u003eConversely, if the goal is to treat several rooms separated by hallways and doors, we may recommend a different configuration rather than asking a single wall-mounted head to do a job that natural air circulation will not allow.\u003c\/p\u003e\n\u003ch3\u003eWhy entrust this project to AirGreen\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e, we install wall-mounted systems in very different buildings throughout \u003cstrong\u003eMontreal, Laval, Longueuil, Boucherville, the South Shore, the North Shore, and Montérégie\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a heat pump in this category, we pay particular attention to \u003cstrong\u003esizing\u003c\/strong\u003e, the location of the indoor head, the \u003cstrong\u003e1\/4 in – 3\/8 in\u003c\/strong\u003e line set, drainage, the electrical supply, the outdoor unit’s mounting, and future accessibility for maintenance.\u003c\/p\u003e\n\u003cp\u003eThe goal is not simply to turn on a 12,000 BTU unit. The goal is for it to modulate properly, distribute air efficiently, drain its condensate without problems, and deliver the performance for which it was designed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTo get a quote for the SENVILLE SENA-12HF R454B 12,000 BTU, confirm its suitability for your property, or compare this model with other wall-mounted heat pumps, contact AirGreen. We serve Montreal, Laval, Longueuil, the South Shore, and the North Shore for HVAC installation, replacement, and service.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56119909646628,"sku":"SENA-12HF-OG","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MURALE_SENVILLE_LETO_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_d94faca6-d863-425e-bacb-fbd567514be0.png?v=1789049852"},{"product_id":"mini-split-senville-leto-18000-btu-montreal-laval-rive-sud","title":"SENVILLE LETO Mini-Split | 18000 BTU | Montréal, Laval, South Shore","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eAn 18,000 BTU mini split designed for summer comfort, supplemental heating, and medium- to large-sized spaces\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE LETO 18,000 BTU\u003c\/strong\u003e occupies an interesting position in the ductless wall-mounted heat pump category. With a nominal capacity of \u003cstrong\u003e18,000 BTU in cooling mode\u003c\/strong\u003e, inverter technology, WiFi, relatively quiet operation, and \u003cstrong\u003eR-454B\u003c\/strong\u003e refrigerant, it is aimed at homeowners who want a simple solution for efficiently cooling a large space while also obtaining usable heating capacity down to \u003cstrong\u003e-15 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we often encounter this type of need in \u003cstrong\u003eMontreal, Laval, Longueuil, and the South Shore\u003c\/strong\u003e: an open-plan ground floor becomes difficult to cool in July, a large basement remains uncomfortable, or a living area on the second floor accumulates a great deal of heat in the afternoon. In this kind of situation, a 9,000 or 12,000 BTU unit may be too limited, whereas a properly sized 18,000 BTU unit offers more capacity without necessarily requiring a very large unit.\u003c\/p\u003e\n\u003cp\u003eThe model presented here combines the \u003cstrong\u003eSENL\/18CD\/OY\u003c\/strong\u003e outdoor unit with the \u003cstrong\u003eSENL\/18CD\/IY\u003c\/strong\u003e indoor unit. The AirGreen specification sheet lists \u003cstrong\u003eAHRI 207613967\u003c\/strong\u003e and a 220 V power supply.\u003c\/p\u003e\n\u003cp\u003eSenville’s official documentation classifies the SENL-18CD as an \u003cstrong\u003e18,000 BTU mini split heat pump\u003c\/strong\u003e designed for residential or commercial heating and cooling. The manufacturer indicates that it is ideally suited to spaces of approximately \u003cstrong\u003e700 to 1,000 sq. ft.\u003c\/strong\u003e, with heating operation down to \u003cstrong\u003e-15 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e18,000 BTU does not mean continuous operation at full capacity\u003c\/h3\u003e\n\u003cp\u003eAn essential feature of this SENVILLE LETO is its modulation capacity.\u003c\/p\u003e\n\u003cp\u003eAccording to the official technical table, the unit offers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e18,000 BTU\/h of nominal cooling capacity\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ecooling modulation of approximately \u003cstrong\u003e4,100 to 19,000 BTU\/h\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e18,800 BTU\/h of nominal heating capacity\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eheating modulation of approximately \u003cstrong\u003e6,200 to 20,200 BTU\/h\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePower consumption also varies according to demand: approximately \u003cstrong\u003e365 to 1,720 W in cooling mode\u003c\/strong\u003e and \u003cstrong\u003e380 to 1,850 W in heating mode\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis modulation is one of the major advantages of \u003cstrong\u003eDC Inverter\u003c\/strong\u003e technology.\u003c\/p\u003e\n\u003cp\u003eAs the room temperature approaches the setpoint, the compressor does not need to run continuously at maximum capacity. It can slow down to maintain comfort more precisely. Senville also indicates that its inverter technology can reduce energy consumption by up to 48% under certain conditions compared with the benchmarks used by the manufacturer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHowever, we prefer to consider this percentage an estimate that depends heavily on the building, the system being replaced, and usage habits. To compare units objectively, SEER2, EER2, and HSPF2 ratings remain much more useful.\u003c\/p\u003e\n\u003ch3\u003eSEER2 of 19.2: efficient air conditioning without targeting the cold-climate category\u003c\/h3\u003e\n\u003cp\u003eThe official table lists the following performance figures:\u003c\/p\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eFeature\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSENVILLE LETO SENL-18CD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated cooling capacity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e18,000 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated heating capacity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e18,800 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e19,2\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEER2\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e10,8\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2-4\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e9,6\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2-5\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e7,5\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated COP\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3,06\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdvertised minimum heating temperature\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e-15 °C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eR-454B\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eThese values come from the technical table in the official Senville brochure. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAn \u003cstrong\u003eSEER2 of 19.2\u003c\/strong\u003e places this unit in an interesting category for homeowners who primarily want good air-conditioning performance and supplementary heating.\u003c\/p\u003e\n\u003cp\u003eHere, an important distinction must be made from certain Senville AURA models intended for cold climates. The AirGreen product page clearly indicates that this 18,000 BTU LETO is \u003cstrong\u003eneither ENERGY STAR nor ENERGY STAR Cold Climate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis does not mean that the unit does not heat. It does heat, but its design and winter operating range are different.\u003c\/p\u003e\n\u003ch3\u003eDown to -15 °C: what this really means in Quebec\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product page indicates a heating capacity down to \u003cstrong\u003e-15 °C\u003c\/strong\u003e, which is also confirmed by the Senville brochure. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe data displayed on the AirGreen product page indicate approximately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e11,500 BTU\/h at -8 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e10,100 BTU\/h at -15 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is an important point.\u003c\/p\u003e\n\u003cp\u003eA heat pump may be able to operate at -15 °C without maintaining its full rated heating capacity. As the outdoor temperature drops, the building's heat loss increases, while the capacity of some heat pumps decreases.\u003c\/p\u003e\n\u003cp\u003eFor this reason, we generally consider the SENVILLE LETO 18,000 BTU to be a particularly interesting solution for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe \u003cstrong\u003eprimary air conditioning\u003c\/strong\u003e of a large area;\u003c\/li\u003e\n\u003cli\u003eheating during the fall and spring;\u003c\/li\u003e\n\u003cli\u003eheating during mild winter days;\u003c\/li\u003e\n\u003cli\u003ereducing the use of electric baseboard heaters when conditions permit;\u003c\/li\u003e\n\u003cli\u003esupplementary heating in a property equipped with another heat source.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a climate like \u003cstrong\u003eMontréal or Laval\u003c\/strong\u003e, we would not automatically select this model as the sole source of heating for an entire property.\u003c\/p\u003e\n\u003ch3\u003e700 to 1,000 sq. ft.: a useful indication, but not a sizing rule\u003c\/h3\u003e\n\u003cp\u003eSenville recommends this model for approximately \u003cstrong\u003e700 to 1,000 sq. ft.\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis information is useful for establishing a preliminary estimate, but it does not replace a building analysis.\u003c\/p\u003e\n\u003cp\u003eTwo 900 sq. ft. spaces can require very different capacities.\u003c\/p\u003e\n\u003cp\u003eA newer 900 sq. ft. basement in \u003cstrong\u003eBoucherville\u003c\/strong\u003e with few windows may require much less cooling than an upper floor of the same size in Montreal with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003elarge southwest-facing windows;\u003c\/li\u003e\n\u003cli\u003ea roof directly exposed to sunlight;\u003c\/li\u003e\n\u003cli\u003eolder insulation;\u003c\/li\u003e\n\u003cli\u003ehigh ceilings;\u003c\/li\u003e\n\u003cli\u003eseveral occupants;\u003c\/li\u003e\n\u003cli\u003ecooking appliances or electronic devices that generate heat.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe also encounter another common situation: the owner wants to cool 900 sq. ft., but this area is divided among three bedrooms, a hallway, and a living room.\u003c\/p\u003e\n\u003cp\u003eThe BTU calculation may be correct even though the air distribution is not.\u003c\/p\u003e\n\u003cp\u003eA wall-mounted indoor unit installed in the living room cannot effectively push cold air through several closed doors. In this case, increasing the capacity is not necessarily the right solution.\u003c\/p\u003e\n\u003ch3\u003eAn airflow rate suited to large rooms\u003c\/h3\u003e\n\u003cp\u003eThe documentation specifies four indoor airflow levels:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e429.7 CFM in Turbo mode\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e388.5 CFM at high speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e259 CFM at medium speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e217.8 CFM at low speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe sound level ranges from approximately \u003cstrong\u003e24 dB(A)\u003c\/strong\u003e at low speed to \u003cstrong\u003e50.5 dB(A)\u003c\/strong\u003e in Turbo mode. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe minimum level of 24 dB(A) is particularly appealing at night or when the heat load is low.\u003c\/p\u003e\n\u003cp\u003eHowever, an 18,000 BTU unit must be able to move enough air when a room accumulates a great deal of heat. Turbo mode and the higher fan speeds may therefore be noticeably louder.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen product sheet also indicates that the \u003cstrong\u003evertical and horizontal louvers are controlled automatically\u003c\/strong\u003e. This helps distribute the airflow throughout a large open area and prevents all the air conditioning from being concentrated along a single axis.\u003c\/p\u003e\n\u003ch3\u003eWiFi and Alexa included: useful for scheduling the unit according to your schedule\u003c\/h3\u003e\n\u003cp\u003eThe SENVILLE LETO is WiFi- and Alexa-compatible.\u003c\/p\u003e\n\u003cp\u003eThe brochure specifies that the user can, among other things:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eturn the unit on or off;\u003c\/li\u003e\n\u003cli\u003eadjust the temperature;\u003c\/li\u003e\n\u003cli\u003eschedule times;\u003c\/li\u003e\n\u003cli\u003econtrol the system remotely through the compatible app.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis feature can be particularly useful in an office, a residence, a cottage, or a property with varying occupancy schedules.\u003c\/p\u003e\n\u003cp\u003eRather than keeping the system constantly at a fixed temperature, the homeowner can adjust operating periods to the times when the home is actually occupied.\u003c\/p\u003e\n\u003ch3\u003eDehumidification function: up to 2.5 litres per hour\u003c\/h3\u003e\n\u003cp\u003eThe brochure indicates a moisture-removal capacity of \u003cstrong\u003e2.5 L\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is particularly relevant during humid days in July and August in the Greater Montreal Area.\u003c\/p\u003e\n\u003cp\u003eA heat pump does more than reduce the temperature. When operating in cooling mode, it also condenses some of the moisture contained in the air.\u003c\/p\u003e\n\u003cp\u003eThis significantly improves the feeling of comfort.\u003c\/p\u003e\n\u003cp\u003eA room at 23°C with high humidity can feel much more uncomfortable than a room at the same temperature with better-controlled humidity.\u003c\/p\u003e\n\u003cp\u003eThe dehumidification mode can therefore be useful when it is humid without necessarily being extremely hot.\u003c\/p\u003e\n\u003ch3\u003eUnit dimensions: what to plan for on the wall and outdoors\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit measures approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e37.99 in × 8.46 in × 12.56 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eand weighs approximately \u003cstrong\u003e24.47 lb\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit measures:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e31.69 in × 12.99 in × 21.81 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ewith an approximate weight of \u003cstrong\u003e72.31 lb\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe stated outdoor sound level is \u003cstrong\u003e56 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBefore a \u003cstrong\u003ewall-mounted heat pump installation in Montreal, Laval, or the South Shore\u003c\/strong\u003e, we must therefore plan for sufficient space around both units.\u003c\/p\u003e\n\u003cp\u003eThe indoor location must allow for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eadequate clearance for the airflow;\u003c\/li\u003e\n\u003cli\u003eaccess to the filters;\u003c\/li\u003e\n\u003cli\u003ethe opening of the front panel;\u003c\/li\u003e\n\u003cli\u003ea logical route for the piping and drain;\u003c\/li\u003e\n\u003cli\u003ea position that does not blow directly onto occupants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOutdoors, we must plan for service access, snow accumulation, and water drainage.\u003c\/p\u003e\n\u003ch2\u003eThe technical points AirGreen checks before installing the SENVILLE LETO 18,000 BTU\u003c\/h2\u003e\n\u003ch3\u003e1\/4 in – 1\/2 in piping and 25-foot precharge\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specifications indicate \u003cstrong\u003e1\/4 in – 1\/2 in\u003c\/strong\u003e refrigerant piping.\u003c\/p\u003e\n\u003cp\u003eThe brochure specifies that the system is precharged with \u003cstrong\u003eR-454B for a length of up to 25 feet\u003c\/strong\u003e. A 50-foot set requires refrigerant to be added on-site by the installer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis information directly affects installation preparation.\u003c\/p\u003e\n\u003cp\u003eThe refrigerant line route must be planned before drilling through the wall. A shorter, more direct installation is generally preferable when possible, but the priority remains finding an indoor location that distributes air properly and an outdoor location that is compliant and accessible.\u003c\/p\u003e\n\u003ch3\u003eWhy R-454B changes installation methods\u003c\/h3\u003e\n\u003cp\u003eThe SENVILLE LETO uses \u003cstrong\u003eR-454B\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis refrigerant belongs to the A2L category, with characteristics different from those of R-410A, which was used for many years in residential heat pumps.\u003c\/p\u003e\n\u003cp\u003eFor the owner, this primarily means that the installation must not be improvised. Handling procedures, tools used, leak testing, and commissioning must be adapted to the refrigerant.\u003c\/p\u003e\n\u003cp\u003eThe quality of a \u003cstrong\u003eprofessional HVAC installation\u003c\/strong\u003e remains crucial for achieving the performance specified by the manufacturer.\u003c\/p\u003e\n\u003ch3\u003eProper evacuation protects the refrigeration circuit\u003c\/h3\u003e\n\u003cp\u003eOne of the most problematic mistakes when installing a mini-split is assuming that the system is ready simply because it has been precharged.\u003c\/p\u003e\n\u003cp\u003eThe factory charge refers to the refrigerant already contained in the outdoor unit. The pipes installed between the two units initially contain air and moisture.\u003c\/p\u003e\n\u003cp\u003eBefore releasing the refrigerant into the lines, the circuit must be properly prepared and evacuated.\u003c\/p\u003e\n\u003cp\u003eAn improperly executed installation can result in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ereduced performance;\u003c\/li\u003e\n\u003cli\u003eincorrect pressures;\u003c\/li\u003e\n\u003cli\u003ehigher electricity consumption;\u003c\/li\u003e\n\u003cli\u003elong-term problems for the compressor;\u003c\/li\u003e\n\u003cli\u003eservice calls that could have been avoided.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThat is why the quality of the refrigeration work is just as important as the choice of model.\u003c\/p\u003e\n\u003ch3\u003eCondensate drain: a detail that becomes essential during the summer\u003c\/h3\u003e\n\u003cp\u003eWith moisture removal of up to \u003cstrong\u003e2.5 L\/h\u003c\/strong\u003e, the drain must be installed correctly.\u003c\/p\u003e\n\u003cp\u003eWe favor gravity drainage with a continuous slope whenever the building configuration allows it.\u003c\/p\u003e\n\u003cp\u003eWhen a condensate pump is required, it must be accessible for maintenance.\u003c\/p\u003e\n\u003cp\u003eAn improperly installed drain can cause odors, noise, water leaks, or backflow toward the indoor unit. These are problems that can be avoided by planning the route properly from the start.\u003c\/p\u003e\n\u003ch3\u003eElectrical requirements: 208\/230 V, MCA 15 A, and MOP 20 A\u003c\/h3\u003e\n\u003cp\u003eThe official brochure states:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003epower supply \u003cstrong\u003e208\/230 V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003esingle-phase, 60 Hz\u003c\/li\u003e\n\u003cli\u003evoltage range of \u003cstrong\u003e187 to 253 V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA of 15 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003emaximum protection of \u003cstrong\u003e20 A\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe AirGreen datasheet also lists an \u003cstrong\u003eMCA of 15 A\u003c\/strong\u003e and an \u003cstrong\u003eMOP of 20 A\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe interconnection wiring specified in the documentation is \u003cstrong\u003e14\/4 AWG\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAs always, these data must be interpreted in accordance with the electrical requirements applicable to the actual installation. The power circuit, circuit breaker, and disconnect switch must match the nameplate data and applicable standards.\u003c\/p\u003e\n\u003ch3\u003eA common example in our assessments: a large ground-floor unit or a small multifunctional unit\u003c\/h3\u003e\n\u003cp\u003eA typical configuration we encounter at AirGreen is a house or condo ground floor of approximately 800 to 1,000 sq. ft. with a largely open living room, kitchen, and dining room.\u003c\/p\u003e\n\u003cp\u003eIn this type of layout, an \u003cstrong\u003e18,000 BTU mini-split\u003c\/strong\u003e can benefit from favourable air circulation.\u003c\/p\u003e\n\u003cp\u003eConversely, if this same area consists of several completely separate bedrooms, we consider other options before recommending a single wall-mounted head.\u003c\/p\u003e\n\u003cp\u003eThis distinction helps avoid a common mistake: purchasing enough BTUs on paper while completely overlooking how the air will actually circulate throughout the building.\u003c\/p\u003e\n\u003ch3\u003eLETO or cold-climate heat pump: choose according to your objective\u003c\/h3\u003e\n\u003cp\u003eThe 18,000 BTU SENVILLE LETO should not be confused with a heat pump designed primarily to maintain high heating capacity during severe Quebec cold.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen listing indicates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR: no\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR Cold Climate: no\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eheating down to \u003cstrong\u003e-15 °C\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLETO is therefore particularly suitable for customers whose priority is \u003cstrong\u003eair conditioning\u003c\/strong\u003e, with the added benefit of efficient heating during a large part of the year.\u003c\/p\u003e\n\u003cp\u003eIf the main priority is instead to maximize heating at \u003cstrong\u003e-20 °C, -25 °C, or -30 °C\u003c\/strong\u003e, we generally examine models specifically designed for these conditions.\u003c\/p\u003e\n\u003cp\u003eThis distinction is essential for properly comparing the prices of different heat pumps. Two 18,000 BTU units may have very different winter performance.\u003c\/p\u003e\n\u003ch3\u003eWarranty: an important difference between the AirGreen listing and the brochure\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product listing provided for this combination indicates a warranty of:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10 years on the compressor – 10 years on parts – 0 years on labour.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHowever, the attached Senville documentation indicates a standard warranty of \u003cstrong\u003e5 years on the compressor and 5 years on parts\u003c\/strong\u003e. This information appears both in the product presentation and in the technical table. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis difference must be confirmed at the time of purchase.\u003c\/p\u003e\n\u003cp\u003eAn extended warranty may depend on the sales channel, registration, a specific program, or the retailer’s terms. We therefore recommend verifying the exact coverage applicable to the equipment delivered and installed by AirGreen rather than automatically assuming that a generic warranty applies.\u003c\/p\u003e\n\u003ch3\u003eSubsidy: do not confuse an efficient mini-split with an eligible unit\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen listing currently does not show any confirmed LogisVert subsidy amount for this model.\u003c\/p\u003e\n\u003cp\u003eCela correspond au fait que le produit est affiché comme \u003cstrong\u003enon ENERGY STAR Cold Climate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis reflects the fact that the product is listed as \u003cstrong\u003enot ENERGY STAR Cold Climate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a homeowner comparing several heat pumps solely based on purchase price, this point can completely change the project’s net cost. A more expensive unit that qualifies for financial assistance can sometimes cost less after the rebate.\u003c\/p\u003e\n\u003ch3\u003eEligibility must always be verified using the exact model combination, the AHRI number, and the rules in effect at the time of installation.\u003c\/h3\u003e\n\u003cp\u003eFor which homeowner does this SENVILLE LETO make the most sense?\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWe consider this model particularly relevant for a customer looking for:\u003c\/li\u003e\n\u003cli\u003ea \u003cstrong\u003e18,000 BTU wall-mounted heat pump\u003c\/strong\u003e primarily for cooling;\u003c\/li\u003e\n\u003cli\u003esupplementary heating capacity down to approximately \u003cstrong\u003e-15 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003einstallation in an area of \u003cstrong\u003e700 to 1,000 sq. ft.\u003c\/strong\u003e, depending on the layout;\u003c\/li\u003e\n\u003cli\u003ea unit with \u003cstrong\u003eWiFi and Alexa\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eindoor operation reaching approximately \u003cstrong\u003e24 dB(A)\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ean inverter system;\u003c\/li\u003e\n\u003cli\u003ea 208\/230 V power supply;\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ea solution using the new \u003cstrong\u003eR-454B\u003c\/strong\u003e refrigerant.\u003c\/p\u003e\n\u003ch3\u003eIt is less suitable when the main objective is to completely replace the primary heating system during the coldest periods of Quebec winters.\u003c\/h3\u003e\n\u003cp\u003eWhy AirGreen installation makes a difference\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we do not limit our work to choosing the nominal capacity.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor a \u003cstrong\u003emini-split installation in Montréal, Laval, Longueuil, Boucherville, on the South Shore, or on the North Shore\u003c\/strong\u003e, we check, among other things:\u003c\/li\u003e\n\u003cli\u003ethe space’s thermal load;\u003c\/li\u003e\n\u003cli\u003enatural air circulation;\u003c\/li\u003e\n\u003cli\u003ethe location of the indoor head;\u003c\/li\u003e\n\u003cli\u003ethe piping route;\u003c\/li\u003e\n\u003cli\u003ethe drain slope;\u003c\/li\u003e\n\u003cli\u003ethe electrical supply;\u003c\/li\u003e\n\u003cli\u003eaccess to the outdoor unit;\u003c\/li\u003e\n\u003cli\u003ethe potential snow depth;\u003c\/li\u003e\n\u003cli\u003ethe expected noise level;\u003c\/li\u003e\n\u003cli\u003ethe heating performance actually required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SENVILLE LETO 18,000 BTU can be an excellent choice when these parameters match the building. Its \u003cstrong\u003eSEER2 of 19.2\u003c\/strong\u003e, inverter modulation, WiFi, nominal capacity of 18,000 BTU, and operation down to -15 °C provide a consistent combination for homeowners who primarily want to improve their cooling comfort while also benefiting from a heat pump for a good part of the heating season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre you considering the SENVILLE LETO 18,000 BTU for your house, condo, office, or business? Contact AirGreen for a quote and to determine whether this capacity is truly suitable for your space. We serve Montréal, Laval, Longueuil, the South Shore, and the North Shore for the sale, installation, maintenance, and servicing of wall-mounted heat pumps.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56119909679396,"sku":"SENL\/18CD\/OY","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MURALE_SENVILLE_LETO_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_46135dcd-cf94-4c09-bef3-8128685c2403.png?v=1789049858"},{"product_id":"mini-split-senville-leto-24000-btu-montreal-laval-rive-sud","title":"SENVILLE LETO Mini-Split | 24000 BTU | Montréal, Laval, South Shore","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA 24,000 BTU unit that truly makes sense in large open areas, provided you look well beyond the nominal capacity\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE LETO 24,000 BTU R454B Mini Split\u003c\/strong\u003e is intended for an entirely different type of project than a small bedroom heat pump. With a nominal capacity of \u003cstrong\u003e24,000 BTU\/h\u003c\/strong\u003e, an airflow rate approaching 730 CFM, and an indoor unit more than 42 inches wide, this is an appliance designed to move enough air to condition a large living area, an open floor, a loft, a small commercial space, or certain residential spaces that are difficult to cool with a smaller unit.\u003c\/p\u003e\n\u003cp\u003eFor our \u003cstrong\u003ewall-mounted heat pump installations in Montreal, Laval, Longueuil, the South Shore, the North Shore, and Montérégie\u003c\/strong\u003e, we nevertheless emphasize one point: buying a 24,000 BTU unit because a space “seems large” is not a sizing method. This model can be highly effective when installed in the right building, but it can also be oversized in a better-insulated property or in an area where air circulation is restricted by several partitions.\u003c\/p\u003e\n\u003cp\u003eThe model pairing in question is specific:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: SENL-24CD-OL\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor unit: SENL-24CD-ILL\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAHRI reference: 215735291\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R454B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePower supply: 208\/230 V\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNominal capacity: 24,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe current AHRI certificate confirms that this combination is active, is sold in Canada, and lists a nominal cooling capacity of 24,000 BTU\/h, an \u003cstrong\u003eSEER2 of 18.7\u003c\/strong\u003e, an \u003cstrong\u003eEER2 of 10.0\u003c\/strong\u003e, a nominal heating capacity of 24,000 BTU\/h, and an \u003cstrong\u003eHSPF2 of 9.3 for Region IV\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eThe technical specifications that truly define the 24,000 BTU LETO\u003c\/h3\u003e\n\u003cp\u003eSenville’s official brochure presents the SENL-24CD as a mini-split air conditioner with heat pump, rated at \u003cstrong\u003e24,000 BTU\u003c\/strong\u003e, offering a seasonal efficiency rating of \u003cstrong\u003e18.7 SEER2\u003c\/strong\u003e and a heating capacity advertised down to approximately \u003cstrong\u003e-15 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe technical sheet on page 4 provides especially useful information: the system does not operate constantly at 24,000 BTU. Its Inverter technology allows it to modulate its capacity across a wide range. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn air conditioning:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003enominal capacity: \u003cstrong\u003e24,000 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003emodulation range: \u003cstrong\u003e5,500 to 24,200 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003elisted power consumption: \u003cstrong\u003e480 to 2,590 W\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003epublished operating current: \u003cstrong\u003e2.1 to 11.3 A\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn heating mode:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003enominal capacity: \u003cstrong\u003e24,000 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003emodulation range: \u003cstrong\u003e6,300 to 27,000 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003elisted power consumption: \u003cstrong\u003e410 to 2,690 W\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003epublished current: \u003cstrong\u003e2.2 to 11.8 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eManufacturer-stated nominal COP: \u003cstrong\u003e3,31\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis modulation range matters greatly in a real \u003cstrong\u003eHVAC installation\u003c\/strong\u003e. When a large room needs only a fraction of the maximum capacity, the compressor can slow down rather than continually cycling on and off. This promotes a more stable temperature and better energy management.\u003c\/p\u003e\n\u003ch3\u003e18.7 SEER2: solid efficiency, but it must be interpreted correctly\u003c\/h3\u003e\n\u003cp\u003eAn \u003cstrong\u003eSEER2 of 18.7\u003c\/strong\u003e represents good efficiency for a 24,000 BTU mini-split in this category.\u003c\/p\u003e\n\u003cp\u003eHowever, this does not mean that a homeowner will automatically achieve a specific percentage of savings on their Hydro-Québec bill. Senville states that its DC inverter technology can reduce consumption by up to 48% in certain comparison scenarios, but this figure necessarily depends on the system being replaced and the operating conditions. The brochure describes this technology as automatically modulating power according to demand. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we prefer to explain the mechanism rather than promise universal savings.\u003c\/p\u003e\n\u003cp\u003eAn inverter compressor can reduce its speed as the temperature approaches the setpoint. In a properly insulated home in \u003cstrong\u003eBoucherville\u003c\/strong\u003e, for example, the system can operate for much of a summer day without reaching its maximum capacity.\u003c\/p\u003e\n\u003cp\u003eIn an older house in Montreal with several large south-facing windows, the same heat pump might have to work much harder.\u003c\/p\u003e\n\u003cp\u003eThe unit’s efficiency is therefore important, but you must also consider:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003einsulation;\u003c\/li\u003e\n\u003cli\u003ethe building’s airtightness;\u003c\/li\u003e\n\u003cli\u003esolar exposure;\u003c\/li\u003e\n\u003cli\u003ethe window area;\u003c\/li\u003e\n\u003cli\u003ethe ceiling height;\u003c\/li\u003e\n\u003cli\u003ethe layout of the rooms;\u003c\/li\u003e\n\u003cli\u003ethe number of occupants;\u003c\/li\u003e\n\u003cli\u003ethe actual heat load;\u003c\/li\u003e\n\u003cli\u003ethe requested temperature.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat maximum area can a 24,000 BTU unit serve?\u003c\/h3\u003e\n\u003cp\u003eThe Senville brochure presents this model as suitable for approximately \u003cstrong\u003e1,000 to 1,250 sq. ft.\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis statement warrants an important nuance.\u003c\/p\u003e\n\u003cp\u003eA wall-mounted unit does not distribute air like a central system equipped with ductwork. Even if the cooling capacity is sufficient for 1,200 sq. ft., the cool or warm air must physically reach the different zones.\u003c\/p\u003e\n\u003cp\u003eWe can therefore have two very different situations.\u003c\/p\u003e\n\u003ch4\u003eExample 1: Open-concept area on the South Shore\u003c\/h4\u003e\n\u003cp\u003eA 1,050 sq. ft. open-concept ground floor with a kitchen, dining room, and living room may be suitable for a 24,000 BTU unit if the load calculation confirms it. The indoor unit can project air over a long distance and effectively condition a large volume.\u003c\/p\u003e\n\u003ch4\u003eExample 2: Partitioned floor in Montreal\u003c\/h4\u003e\n\u003cp\u003eA 1,000 sq. ft. floor comprising four closed bedrooms and a long corridor may be much less suitable for a single wall-mounted unit. Even with 24,000 BTU available, air cannot pass through doors and walls.\u003c\/p\u003e\n\u003cp\u003eThis is an error we strive to avoid at AirGreen: \u003cstrong\u003eincreasing the BTU capacity does not solve an air distribution problem\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eStill-solid heating capacity at -8 °C and -15 °C\u003c\/h3\u003e\n\u003cp\u003eThis is one of the most interesting features of the SENL-24CD-OL \/ SENL-24CD-ILL.\u003c\/p\u003e\n\u003cp\u003eThe certification data associated with this pairing indicate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24,000 BTU\/h at approximately 8 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20,800 BTU\/h at approximately -8 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e17,000 BTU\/h at approximately -15 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCOP of 2.14 at approximately -15 °C\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn other words, at -15 °C, the unit retains approximately \u003cstrong\u003e71% of its rated heating capacity\u003c\/strong\u003e. The ENERGY STAR data currently published for this pairing also lists it as an \u003cstrong\u003eENERGY STAR certified cold-climate model\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis latter figure should be distinguished from the commercial brochure, which only advertises heating down to -15 °C. The certification applies to the specific pairing \u003cstrong\u003eSENL-24CD-OL + SENL-24CD-ILL\u003c\/strong\u003e, not simply to the name “LETO”.\u003c\/p\u003e\n\u003cp\u003eFor homeowners in Greater Montreal, this means that this model can provide a significant amount of heating during a good part of the winter.\u003c\/p\u003e\n\u003cp\u003eHowever, we do not position it in the same way as a heat pump whose manufacturer explicitly advertises operation down to -25 °C or -30 °C. In a property that relies heavily on the heat pump as its primary heating source, we always verify the building’s balance point and whether supplemental heating is available.\u003c\/p\u003e\n\u003ch3\u003eThe $2,496 LogisVert rebate: how the calculation works\u003c\/h3\u003e\n\u003cp\u003eThe capacity at -8 °C is particularly important in Quebec because Hydro-Québec uses this data to calculate the Heat Pump measure of its \u003cstrong\u003eLogisVert\u003c\/strong\u003e program.\u003c\/p\u003e\n\u003cp\u003eFor an ENERGY STAR-certified cold-climate heat pump, Hydro-Québec currently offers \u003cstrong\u003e$120 per 1,000 BTU\/h at -8 °C\u003c\/strong\u003e when all program conditions are met. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe certified capacity of the Senville LETO in question is \u003cstrong\u003e20,800 BTU\/h at -8 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe calculation is therefore:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e20.8 × $120 = $2,496\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis explains the amount of \u003cstrong\u003e2 496 $\u003c\/strong\u003e indicated for this unit.\u003c\/p\u003e\n\u003cp\u003eFor some eligible multi-unit residential buildings, the situation can become even more attractive. Since June 15, 2026, a bonus may increase the assistance to \u003cstrong\u003e$220 per 1,000 BTU\/h at -8 °C\u003c\/strong\u003e when an ENERGY STAR – Cold Climate wall-mounted heat pump is installed in a building meeting Hydro-Québec’s specific criteria. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt 20,800 BTU\/h, this would theoretically represent:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e20.8 × $220 = $4,576\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis amount applies only if all conditions of the multi-unit residential building component are met. At AirGreen, we always verify the exact model, address, building type, and program criteria before presenting financial assistance as guaranteed.\u003c\/p\u003e\n\u003ch2\u003eWhat we look at on site before installing a 24,000-BTU LETO\u003c\/h2\u003e\n\u003ch3\u003eAirflow completely changes the unit’s behavior\u003c\/h3\u003e\n\u003cp\u003eThe Senville LETO 24,000 BTU can provide an indoor airflow of approximately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e329.6 CFM at low speed\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400.2 CFM\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e529.7 CFM\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eup to \u003cstrong\u003e729.9 CFM in Turbo mode\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSound level naturally follows airflow: approximately \u003cstrong\u003e27 dB(A) at low speed\u003c\/strong\u003e, then 41.5, 45, and up to 54 dB(A) in Turbo mode. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe 27 dB(A) figure is particularly interesting during moderate operation. But in a large room that constantly forces the unit to operate in Turbo mode, the acoustic experience will obviously not be the same.\u003c\/p\u003e\n\u003cp\u003eThis is another reason to size the heat pump properly.\u003c\/p\u003e\n\u003ch3\u003eAn indoor unit significantly larger than a 9,000- or 12,000-BTU unit\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit measures approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e42.52 in. × 8.90 in. × 13.19 in.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eand weighs approximately \u003cstrong\u003e30.64 lb\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe outdoor condenser measures approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e35.04 in. × 13.46 in. × 26.50 in.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003efor a weight of approximately \u003cstrong\u003e94.58 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese dimensions directly affect our site preparation.\u003c\/p\u003e\n\u003cp\u003eIn some Montréal duplexes, the available wall space between a window and a door simply does not allow an indoor unit larger than 42 in. to be installed properly while maintaining the necessary clearances.\u003c\/p\u003e\n\u003cp\u003eOn the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e or in \u003cstrong\u003eLaval\u003c\/strong\u003e, the outdoor unit may also need to be positioned between a window, a fence, and a side passage. We must then maintain sufficient clearance around the heat exchanger and preserve future access for servicing.\u003c\/p\u003e\n\u003ch3\u003e3\/8 in – 5\/8 in piping: an essential detail when replacing a system\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENL-24CD-ILL\u003c\/strong\u003e uses \u003cstrong\u003e3\/8 in piping for the liquid line and 5\/8 in for the suction line\u003c\/strong\u003e. Senville confirms this combination for its 24,000 BTU units. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is particularly important when replacing an older mini-split.\u003c\/p\u003e\n\u003cp\u003eWe regularly meet customers who wish to keep the existing piping because it runs through a finished ceiling, a renovated basement, or a difficult-to-access façade.\u003c\/p\u003e\n\u003cp\u003eThe answer cannot be determined solely by looking at the length.\u003c\/p\u003e\n\u003cp\u003eWe check:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe actual diameter of both lines;\u003c\/li\u003e\n\u003cli\u003etheir condition;\u003c\/li\u003e\n\u003cli\u003ecompatibility with the new refrigerant;\u003c\/li\u003e\n\u003cli\u003ethe absence of contamination;\u003c\/li\u003e\n\u003cli\u003ethe quality of the insulation;\u003c\/li\u003e\n\u003cli\u003ethe route;\u003c\/li\u003e\n\u003cli\u003ethe connections;\u003c\/li\u003e\n\u003cli\u003ethe total length.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAn older line set of \u003cstrong\u003e1\/4 in × 1\/2 in\u003c\/strong\u003e, for example, is not equivalent to the \u003cstrong\u003e3\/8 in × 5\/8 in\u003c\/strong\u003e piping specified for this 24,000 BTU unit.\u003c\/p\u003e\n\u003ch3\u003e25 ft precharge: beware of long installations\u003c\/h3\u003e\n\u003cp\u003eThe system is precharged with R454B for a length of up to \u003cstrong\u003e25 ft\u003c\/strong\u003e. The brochure specifies that an installation with a 50 ft kit requires additional refrigerant to be added on site by the installer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSenville also confirms that single-zone systems are precharged for 25 ft and that adding refrigerant becomes necessary when the total length exceeds the specified charge. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a detail we take very seriously at AirGreen.\u003c\/p\u003e\n\u003cp\u003eAn installation where the outdoor unit is placed on a rear balcony while the indoor unit is located on the opposite façade can quickly exceed a short standard line length. The charge adjustment must then be calculated and carried out correctly.\u003c\/p\u003e\n\u003ch3\u003eR454B: a new generation of refrigerant\u003c\/h3\u003e\n\u003cp\u003eThis version uses \u003cstrong\u003eR454B\u003c\/strong\u003e rather than the R410A used in older generations of LETO. The brochure and manufacturer confirm this refrigerant for the current SENL-24CD-L. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis distinction is important when comparing products online.\u003c\/p\u003e\n\u003cp\u003eOlder Senville LETO 24,000 BTU product sheets can still be found online stating:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eR410A;\u003c\/li\u003e\n\u003cli\u003eapproximately 15 SEER;\u003c\/li\u003e\n\u003cli\u003eolder dimensions;\u003c\/li\u003e\n\u003cli\u003eolder model numbers;\u003c\/li\u003e\n\u003cli\u003edifferent warranty;\u003c\/li\u003e\n\u003cli\u003eOptional Wi-Fi.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis information concerns previous generations and must not be confused with the \u003cstrong\u003eSENL-24CD-OL \/ SENL-24CD-ILL R454B\u003c\/strong\u003e pairing.\u003c\/p\u003e\n\u003cp\u003eFor us, the exact model number is always more reliable than the simple series name.\u003c\/p\u003e\n\u003ch3\u003eElectrical supply: a circuit to be verified before the installation date\u003c\/h3\u003e\n\u003cp\u003eThe brochure specifies a \u003cstrong\u003e208\/230 V single-phase, 60 Hz\u003c\/strong\u003e power supply, with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003evoltage range: \u003cstrong\u003e187 to 253 V\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMCA: 19 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003emaximum protection: \u003cstrong\u003e20 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eindicated interconnection wiring: \u003cstrong\u003e14\/4 AWG\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe fact that a 24,000 BTU unit can operate with maximum 20 A protection is useful for electrical planning, but we never consider these few figures authorization to automatically reuse an existing circuit.\u003c\/p\u003e\n\u003cp\u003eThe panel, wiring, run length, and applicable requirements must be verified for each installation.\u003c\/p\u003e\n\u003ch3\u003eWi-Fi and Alexa: convenient for a large living area or commercial space\u003c\/h3\u003e\n\u003cp\u003eThe LETO is compatible with \u003cstrong\u003eAlexa\u003c\/strong\u003e, and its smart control allows users to adjust the temperature, create routines, and manage the system remotely. The brochure explicitly indicates this integration. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn a small commercial space or a secondary residence, this feature becomes especially useful.\u003c\/p\u003e\n\u003cp\u003eFor example, a homeowner can adjust the setpoint before arriving or check the system’s operation without being physically in front of the remote control.\u003c\/p\u003e\n\u003ch3\u003eAn AirGreen project in Montreal that clearly illustrates the choice of location\u003c\/h3\u003e\n\u003cp\u003eWe have already completed a \u003cstrong\u003eSenville LETO installation in Montreal\u003c\/strong\u003e in which our team paid particular attention to the positioning of the condenser and indoor unit.\u003c\/p\u003e\n\u003cp\u003eThe condenser had been mounted on a bracket to limit vibrations and maintain sufficient clearance around the heat exchanger. The indoor unit had been positioned to distribute air toward the central part of the living space rather than toward a nearby wall. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAlthough this documented project involved another capacity in the LETO range, the lesson applies directly to the 24,000 BTU model: \u003cstrong\u003ethe greater the airflow, the more the unit’s orientation matters\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWe have also worked with LETO units in apartments in \u003cstrong\u003eRosemont–La Petite-Patrie\u003c\/strong\u003e, where the challenge was not only capacity, but also the available space and the need to maintain a discreet installation in a Montreal plex. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eErrors we seek to avoid with a 24,000 BTU unit\u003c\/h3\u003e\n\u003ch4\u003eChoosing 24,000 BTU simply because “bigger heats better”\u003c\/h4\u003e\n\u003cp\u003eAn oversized heat pump can quickly reach the requested temperature and then reduce or stop operating too often. In cooling mode, this can also impair humidity control.\u003c\/p\u003e\n\u003ch4\u003eInstalling the indoor unit in an enclosed hallway\u003c\/h4\u003e\n\u003cp\u003eA high capacity cannot make up for poor placement. The airflow must reach the areas that need heating or cooling directly.\u003c\/p\u003e\n\u003ch4\u003eNeglecting pipe size\u003c\/h4\u003e\n\u003cp\u003eThe 24,000 BTU LETO requires \u003cstrong\u003e3\/8 in × 5\/8 in\u003c\/strong\u003e piping. An existing line of another size does not become compatible simply because it is already installed in the wall.\u003c\/p\u003e\n\u003ch4\u003eConfusing the older and newer LETO generations\u003c\/h4\u003e\n\u003cp\u003eR410A, R454B, 15 SEER, 18.7 SEER2, older warranties: several versions are still circulating online. We always verify \u003cstrong\u003eSENL-24CD-OL + SENL-24CD-ILL\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003ePlacing the condenser too low\u003c\/h4\u003e\n\u003cp\u003eIn the Montreal region, snow and ice must be taken into account from the design stage. A condenser surrounded by snow in mid-January no longer has the airflow conditions specified by the manufacturer.\u003c\/p\u003e\n\u003ch3\u003eWarranty: clearly distinguish the manufacturer’s documentation from the protection offered to the customer\u003c\/h3\u003e\n\u003cp\u003eThe current Senville brochure indicates a \u003cstrong\u003e5-year manufacturer’s warranty on the compressor and 5 years on parts\u003c\/strong\u003e. This same coverage appears on the manufacturer’s current page. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen product information sheet provided for this product, for its part, mentions coverage \u003cstrong\u003e10-10-0\u003c\/strong\u003e with the possibility of additional warranty coverage. It is therefore important that the final quotation clearly specify which protection applies to the project: the basic manufacturer’s warranty, a promotional program, distributor protection, or additional AirGreen coverage.\u003c\/p\u003e\n\u003cp\u003eFor the customer, the contractual document provided with the installation remains the reference document to keep with the serial numbers and invoice.\u003c\/p\u003e\n\u003ch3\u003eLETO 24,000 BTU maintenance: airflow must remain unobstructed\u003c\/h3\u003e\n\u003cp\u003eA unit capable of moving nearly 730 CFM must have clean coils and filters.\u003c\/p\u003e\n\u003cp\u003eWe particularly recommend:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eto clean the filters regularly;\u003c\/li\u003e\n\u003cli\u003eto monitor dust buildup on the evaporator;\u003c\/li\u003e\n\u003cli\u003eto keep the outdoor condenser clear of leaves, snow, and vegetation;\u003c\/li\u003e\n\u003cli\u003eto verify that the drain is properly removing water;\u003c\/li\u003e\n\u003cli\u003eto have the system inspected if its capacity appears to be declining;\u003c\/li\u003e\n\u003cli\u003eto schedule a \u003cstrong\u003edeep cleaning of the wall-mounted heat pump\u003c\/strong\u003e when the indoor coil becomes visibly dirty.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eA dirty filter does not only reduce airflow. It can also alter the system’s internal operating temperatures and reduce the heat pump’s actual capacity.\u003c\/p\u003e\n\u003ch3\u003eWhich customer do we primarily recommend this model for?\u003c\/h3\u003e\n\u003cp\u003eThe 24,000 BTU SENVILLE LETO is particularly well suited to a homeowner looking for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ehigh cooling capacity;\u003c\/li\u003e\n\u003cli\u003ea relatively open area;\u003c\/li\u003e\n\u003cli\u003ean Inverter unit;\u003c\/li\u003e\n\u003cli\u003ean efficiency rating of \u003cstrong\u003e18.7 SEER2\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003esignificant heating capacity down to approximately -15 °C;\u003c\/li\u003e\n\u003cli\u003ea system \u003cstrong\u003eR454B\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eWi-Fi\/Alexa compatibility;\u003c\/li\u003e\n\u003cli\u003ea heat pump eligible for LogisVert assistance when the program conditions are met;\u003c\/li\u003e\n\u003cli\u003ea generally more accessible budget than a high-end unit designed to provide heating down to -30 °C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a property where the main goal is to replace nearly all electric baseboards, even during extreme cold, we can also compare the LETO with wall-mounted heat pump models designed for lower outdoor temperatures.\u003c\/p\u003e\n\u003ch3\u003eWhy have this Senville installed by AirGreen?\u003c\/h3\u003e\n\u003cp\u003eAt AirGreen, our work goes beyond simply supplying the \u003cstrong\u003eSENVILLE LETO 24,000 BTU\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWe check the required capacity, unit placement, air distribution, electrical circuit, and piping \u003cstrong\u003e3\/8 – 5\/8\u003c\/strong\u003e, drainage, the total length of the refrigerant line, the R454B charge, and service clearances.\u003c\/p\u003e\n\u003cp\u003eWe install wall-mounted heat pumps throughout \u003cstrong\u003eGreater Montreal, Montreal, Laval, Longueuil, Boucherville, the South Shore, the North Shore, and Montérégie\u003c\/strong\u003e, where buildings vary enormously: century-old plexes, newer condos, single-family homes, businesses, apartments, and complete renovations.\u003c\/p\u003e\n\u003cp\u003eIt is precisely this diversity that has taught us that choosing the right heat pump never depends on a single value in a table.\u003c\/p\u003e\n\u003ch3\u003eRequest a quote for your 24,000 BTU SENVILLE LETO\u003c\/h3\u003e\n\u003cp\u003eAre you considering the \u003cstrong\u003eSENVILLE LETO 24,000 BTU R454B Mini Split\u003c\/strong\u003e for a house, condo, plex, or commercial space in \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, or the North Shore\u003c\/strong\u003e?\u003c\/p\u003e\n\u003cp\u003eContact AirGreen for a quote. We can confirm sizing, check your electrical installation and piping, plan the location of the units, and verify the LogisVert financial assistance applicable to your project.\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56119909908772,"sku":"SENL-24CD-OL","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MURALE_SENVILLE_LETO_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_824d2b47-485c-4b92-a584-20abcafb3338.png?v=1789049863"},{"product_id":"mini-split-senville-leto-30000-btu-montreal-laval-rive-sud","title":"SENVILLE LETO Mini-Split | 30000 BTU | Montréal, Laval, South Shore","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003e30,000 BTU in a single wall-mounted unit: a solution designed for large open areas, provided the project is properly sized\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE LETO 30,000 BTU\u003c\/strong\u003e falls into a very different category from the 9,000, 12,000, or 18,000 BTU wall-mounted heat pumps that we commonly install in a bedroom, condo, or small living room. With a rated capacity of \u003cstrong\u003e30,000 BTU\/h\u003c\/strong\u003e, this unit is intended instead for \u003cstrong\u003elarge open areas, basements, commercial spaces, large living rooms, workspaces, and large residential areas\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we mainly consider this type of heat pump when a homeowner wants to treat a large volume with a single wall-mounted head. However, the question is never simply whether “30,000 BTU is enough.” It is also necessary to determine whether air can actually circulate throughout the area, whether the unit is properly sized, whether the electrical installation can power it, and whether its winter performance meets the homeowner’s expectations.\u003c\/p\u003e\n\u003cp\u003eThe combination offered consists of the \u003cstrong\u003eSENL-30CD-OL\u003c\/strong\u003e outdoor unit and the \u003cstrong\u003eSENL-30CD-ILL\u003c\/strong\u003e indoor unit. The official AHRI certificate bears the number \u003cstrong\u003e215735292\u003c\/strong\u003e and confirms that this combination is active and marketed in Canada, with a rated cooling capacity of \u003cstrong\u003e30,000 BTU\/h\u003c\/strong\u003e, a \u003cstrong\u003eSEER2 of 20.00\u003c\/strong\u003e, an \u003cstrong\u003eEER2 of 11.00\u003c\/strong\u003e, a rated heating capacity of \u003cstrong\u003e30,000 BTU\/h\u003c\/strong\u003e, and an \u003cstrong\u003eHSPF2 Region IV of 9.20\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eKey technical features to remember\u003c\/h3\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eFeature\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSENVILLE LETO 30,000 BTU\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor unit\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSENL-30CD-OL\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndoor unit\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSENL-30CD-ILL\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAHRI reference\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e215735292\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated cooling capacity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e30,000 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling range\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e6,200 to 33,700 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated heating capacity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e30,000 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating range\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e11,800 to 33,700 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e20,0\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEER2\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e11,0\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2 Region IV\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e9,2\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2 Region V\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e6,9\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated COP\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3,0\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eR454B\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCA\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e28 A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum protection\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e30 A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiping\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/8 in – 5\/8 in\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum indoor airflow\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e853.5 CFM\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDehumidification\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3.6 L\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndoor sound level\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e34 to 57 dB(A)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor sound level\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60.5 dB(A)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiFi \/ Alexa\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eYes\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVertical louvers\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorizontal louvers\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe Senville technical data sheet confirms, among other things, a power supply of \u003cstrong\u003e208\/230 V\u003c\/strong\u003e, a voltage range of 187 to 253 V, an MCA of 28 A, and a maximum protection of 30 A. It also documents the modulation ranges in heating and cooling modes. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTrue modulation capacity despite the 30,000 BTU format\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e30,000 BTU\u003c\/strong\u003e rating does not mean that the compressor operates constantly at full capacity.\u003c\/p\u003e\n\u003cp\u003eIn cooling mode, the published range is \u003cstrong\u003e6,200 to 33,700 BTU\/h\u003c\/strong\u003e. In heating mode, it is \u003cstrong\u003e11,800 to 33,700 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis modulation is important in a large open-concept area.\u003c\/p\u003e\n\u003cp\u003eLet’s consider a situation we regularly encounter during our estimates in \u003cstrong\u003eMontreal, Laval, Longueuil, and the South Shore\u003c\/strong\u003e: a finished basement becomes very hot after several hours of sunlight and activity. The heat pump can increase its output to bring the temperature back to the setpoint. Once the zone has stabilized, the Inverter can reduce its output rather than operating continuously according to an on-off cycle.\u003c\/p\u003e\n\u003cp\u003eThis helps improve:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003etemperature stability;\u003c\/li\u003e\n\u003cli\u003eelectricity consumption;\u003c\/li\u003e\n\u003cli\u003eacoustic comfort;\u003c\/li\u003e\n\u003cli\u003ecycle duration;\u003c\/li\u003e\n\u003cli\u003ehumidity control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSenville states that its Inverter technology automatically adjusts output according to demand and indicates, for this series, a potential consumption reduction of up to 20% depending on the comparison conditions used by the manufacturer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e1,250 to 1,500 sq. ft.: useful as a reference, but insufficient for choosing the capacity on its own\u003c\/h3\u003e\n\u003cp\u003eThe documentation presents the SENVILLE LETO 30,000 BTU as suitable for approximately \u003cstrong\u003e1,250 to 1,500 sq. ft.\u003c\/strong\u003e, particularly for large rooms, offices, and basements. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis indication should be used as a starting point, not as a sizing formula.\u003c\/p\u003e\n\u003cp\u003eA 1,400 sq. ft. basement in Laval that is largely open and located beneath a well-insulated house does not have the same needs as a 1,400 sq. ft. commercial space in Montreal with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ean exterior door that is frequently opened;\u003c\/li\u003e\n\u003cli\u003elarge display windows;\u003c\/li\u003e\n\u003cli\u003eseveral occupants;\u003c\/li\u003e\n\u003cli\u003ecomputers or equipment generating heat;\u003c\/li\u003e\n\u003cli\u003ehigher ceilings;\u003c\/li\u003e\n\u003cli\u003esignificant solar gains.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConversely, a large unit installed in a highly compartmentalized space can produce a great deal of air without properly conditioning distant rooms.\u003c\/p\u003e\n\u003ch3\u003eA common mistake: trying to cool several closed bedrooms with a single 30,000 BTU indoor unit\u003c\/h3\u003e\n\u003cp\u003eThis is a point we often explain during estimates.\u003c\/p\u003e\n\u003cp\u003eA wall-mounted heat pump does not distribute air like a central ducted system. Installing a \u003cstrong\u003e30,000 BTU\u003c\/strong\u003e unit in a hallway does not mean that four bedrooms behind closed doors will each receive their share of the capacity.\u003c\/p\u003e\n\u003cp\u003eIn this scenario, adding BTUs is not necessarily the solution.\u003c\/p\u003e\n\u003cp\u003eWe need to consider:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe indoor unit’s position;\u003c\/li\u003e\n\u003cli\u003ethe direction of the airflow;\u003c\/li\u003e\n\u003cli\u003ethe layout of the space;\u003c\/li\u003e\n\u003cli\u003edoors and partitions;\u003c\/li\u003e\n\u003cli\u003eceiling height;\u003c\/li\u003e\n\u003cli\u003ethe number of zones actually requiring conditioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a large open-concept area, this LETO can be highly suitable. In a heavily compartmentalized home, a multi-zone system or several units may sometimes offer better room-by-room control.\u003c\/p\u003e\n\u003ch3\u003eAn airflow rate of 853.5 CFM in Turbo mode\u003c\/h3\u003e\n\u003cp\u003eA 30,000 BTU heat pump must move a significant amount of air.\u003c\/p\u003e\n\u003cp\u003eThe technical brochure indicates the following airflow rates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e853.5 CFM in Turbo mode\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e732.8 CFM at high speed\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e470.9 CFM at medium speed\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e353.2 CFM at low speed\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis airflow is why the indoor unit’s location must be planned carefully.\u003c\/p\u003e\n\u003cp\u003eIn a large rectangular room, we generally aim to use the length of the room rather than immediately directing the air toward a nearby wall. The \u003cstrong\u003eautomatic vertical and horizontal louvers\u003c\/strong\u003e then help distribute the airflow more evenly throughout the area.\u003c\/p\u003e\n\u003ch3\u003eSound level: the high airflow is naturally more noticeable\u003c\/h3\u003e\n\u003cp\u003eThe SENVILLE LETO 30,000 BTU has indoor sound levels of approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e57 \/ 51 \/ 44.5 \/ 34 dB(A)\u003c\/strong\u003e depending on the speed.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit is rated at \u003cstrong\u003e60.5 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTherefore, this heat pump should not be compared directly with a small bedroom unit capable of dropping below 20 dB(A). This is an appliance capable of moving up to more than 850 CFM.\u003c\/p\u003e\n\u003cp\u003eFor an installation near a bedroom, on a balcony, or in a narrow passage between two properties, we must also consider the position of the outdoor unit, vibrations, and sound reflection from nearby walls.\u003c\/p\u003e\n\u003ch3\u003eAn interesting dehumidification capacity\u003c\/h3\u003e\n\u003cp\u003eThe technical specifications indicate moisture removal of approximately \u003cstrong\u003e3.6 liters per hour\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is particularly relevant in \u003cstrong\u003elarge basements in Greater Montreal\u003c\/strong\u003e, where summer discomfort is often caused as much by humidity as by temperature.\u003c\/p\u003e\n\u003cp\u003eA properly sized unit can run long enough to cool the space and remove some of the humidity from the air.\u003c\/p\u003e\n\u003cp\u003eConversely, installing an oversized unit for the space can shorten operating cycles and reduce dehumidification quality.\u003c\/p\u003e\n\u003ch3\u003eHeating: the rated capacity must be distinguished from performance in extreme cold\u003c\/h3\u003e\n\u003cp\u003eThe LETO provides a rated heating capacity of \u003cstrong\u003e30,000 BTU\/h\u003c\/strong\u003e, with an advertised range reaching up to 33,700 BTU\/h under certain conditions. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHowever, the accompanying commercial documentation presents this series as capable of heating down to \u003cstrong\u003e-15 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen specifications also indicate approximately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e19,000 BTU\/h at -8 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e19,700 BTU\/h at -15 °C\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis decrease compared with the nominal 30,000 BTU is normal: a heat pump’s available capacity can vary with the outdoor temperature.\u003c\/p\u003e\n\u003cp\u003eThat is why we avoid presenting the rated capacity as though it were available under all winter conditions.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR, but not the “cold climate” classification\u003c\/h3\u003e\n\u003cp\u003eThe SENL-30CD-OL \/ SENL-30CD-ILL combination is listed on our product page as ENERGY STAR, with identifier 4479008, but not as ENERGY STAR – Cold Climate.\u003c\/p\u003e\n\u003cp\u003eThis distinction is important for a Quebec homeowner.\u003c\/p\u003e\n\u003cp\u003eA heat pump can be efficient and ENERGY STAR certified without necessarily meeting the specific criteria for the cold-climate classification.\u003c\/p\u003e\n\u003cp\u003eFor someone primarily looking to reduce the use of electric baseboard heaters during very cold periods, we can therefore compare this LETO with a heat pump specifically certified for cold climates before making a decision.\u003c\/p\u003e\n\u003ch3\u003eSEER2 20 and HSPF2 9.2: how to interpret these values\u003c\/h3\u003e\n\u003cp\u003eThe official AHRI certificate confirms:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSEER2: 20.00\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEER2: 11.00\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHSPF2 Region IV: 9.20\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSEER2\u003c\/strong\u003e measures seasonal cooling efficiency. \u003cstrong\u003eHSPF2\u003c\/strong\u003e concerns seasonal heating efficiency.\u003c\/p\u003e\n\u003cp\u003eThese values are mainly useful for comparing several pieces of equipment using standardized methods.\u003c\/p\u003e\n\u003cp\u003eOn their own, they do not make it possible to predict the exact amount of a Hydro-Québec bill. Actual consumption will depend, among other things, on the requested temperature, the building, insulation, number of hours of use, and the heating system being replaced or supplemented.\u003c\/p\u003e\n\u003ch3\u003eR454B and 3\/8 in – 5\/8 in piping\u003c\/h3\u003e\n\u003cp\u003eThis new version uses \u003cstrong\u003eR454B refrigerant\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe brochure indicates that the system is precharged for up to \u003cstrong\u003e25 feet of refrigerant lines\u003c\/strong\u003e. For an installation using a 50-foot kit, the manufacturer specifies that an additional charge must be added on site by the installer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor the 30,000 BTU combination, the specified piping is \u003cstrong\u003e3\/8 in – 5\/8 in\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe actual length must always be measured before installation. A project in which the indoor unit is on the second floor and the condenser is at the back of the building may require much more material than a back-to-back installation.\u003c\/p\u003e\n\u003ch3\u003eRequired electrical installation: 208\/230 V, MCA 28 A, MOP 30 A\u003c\/h3\u003e\n\u003cp\u003eThis 30,000 BTU LETO operates on a \u003cstrong\u003e208\/230 V single-phase\u003c\/strong\u003e power supply.\u003c\/p\u003e\n\u003cp\u003eThe manufacturer's data indicates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMCA: 28 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003emaximum protection: 30 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003especified communication wiring: \u003cstrong\u003e14 × 4 AWG\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor our HVAC installations in \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, and the North Shore\u003c\/strong\u003e, we therefore check the electrical panel before the work begins.\u003c\/p\u003e\n\u003cp\u003eAn available breaker in the panel is not always sufficient. You must ensure that the circuit, wiring, outdoor disconnect, and the entire electrical installation are suitable for the selected model.\u003c\/p\u003e\n\u003ch3\u003eAn indoor unit much larger than a 12,000 BTU unit\u003c\/h3\u003e\n\u003cp\u003eThe dimensions should also be checked before choosing the wall.\u003c\/p\u003e\n\u003cp\u003eThe indoor unit measures approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e49.57 in wide × 11.10 in deep × 14.25 in high\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts weight is approximately \u003cstrong\u003e40.34 lb\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit measures approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e37.24 × 16.14 × 31.89 in\u003c\/strong\u003e,\u003c\/p\u003e\n\u003cp\u003efor a weight of approximately \u003cstrong\u003e150.35 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe are therefore far from the very compact format of a small 9,000 BTU heat pump.\u003c\/p\u003e\n\u003cp\u003eThe available width above windows, doors, bookcases, or cabinets must be checked, along with the necessary clearances around the units.\u003c\/p\u003e\n\u003ch2\u003eAirGreen installation: making the most of 30,000 BTU without creating an oversized or poorly distributed system\u003c\/h2\u003e\n\u003ch3\u003eA typical scenario: a large open basement on the South Shore\u003c\/h3\u003e\n\u003cp\u003eLet’s consider a project representative of what we see in properties in \u003cstrong\u003eBoucherville, Longueuil, Saint-Hubert, or Saint-Bruno\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe homeowner has a large basement comprising a family room, a workout area, and a workspace, but very few permanent partitions. In summer, humidity is high and the existing small air-conditioning solutions are no longer sufficient.\u003c\/p\u003e\n\u003cp\u003eA \u003cstrong\u003e30,000 BTU\u003c\/strong\u003e heat pump may be suitable if the load calculation justifies it and if we can position the unit to project air along the length of the space.\u003c\/p\u003e\n\u003cp\u003eThe same unit would be much less suitable if this basement were divided into five rooms whose doors generally remain closed.\u003c\/p\u003e\n\u003cp\u003eThis is why we always consider \u003cstrong\u003ethe building’s layout before the capacity listed on the unit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWi-Fi and Alexa integration\u003c\/h3\u003e\n\u003cp\u003eThe 30,000 BTU LETO can be controlled remotely, and the brochure indicates integration with \u003cstrong\u003eAlexa\u003c\/strong\u003e, allowing users in particular:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eto turn the system on or off;\u003c\/li\u003e\n\u003cli\u003eto adjust the setpoint;\u003c\/li\u003e\n\u003cli\u003eto change the settings;\u003c\/li\u003e\n\u003cli\u003eto create schedules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Alexa USB module is one of the items listed in the product documentation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a store, office, or cottage, this feature can be particularly useful because it prevents the unit from running unnecessarily at the same setpoint during an extended absence.\u003c\/p\u003e\n\u003ch3\u003eLogisVert rebate: $950 listed on the AirGreen page, but the installation date remains decisive\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product page currently lists a \u003cstrong\u003e$950 LogisVert provincial rebate\u003c\/strong\u003e, according to its update dated November 26, 2025.\u003c\/p\u003e\n\u003cp\u003eThis value corresponds to the declared heating capacity at low temperatures and the rules applicable to the model when the information sheet was updated.\u003c\/p\u003e\n\u003cp\u003eNevertheless, the situation must be verified at the time of installation. Hydro-Québec specifies that heat pumps installed since \u003cstrong\u003eNovember 26, 2025, must be ENERGY STAR certified\u003c\/strong\u003e to be eligible, and that the list of models and the amounts may change over time. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we therefore prefer to confirm the \u003cstrong\u003eAHRI number 215735292\u003c\/strong\u003e, the two exact models, and the scheduled installation date before presenting the final amount of financial assistance as guaranteed.\u003c\/p\u003e\n\u003ch3\u003eWarranty: an important difference to understand between the brochure and the AirGreen offer\u003c\/h3\u003e\n\u003cp\u003eThe Senville brochure provided for this model indicates a warranty of \u003cstrong\u003e5 years on the compressor and 5 years on parts\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen listing, for its part, shows \u003cstrong\u003e10-10-0 years\u003c\/strong\u003e of coverage and indicates that an additional warranty may be available.\u003c\/p\u003e\n\u003cp\u003eThese two pieces of information must not be mixed up. Applicable coverage may depend on the warranty program, registration, and commercial terms associated with the installation. We therefore always confirm with the customer the \u003cstrong\u003eexact warranty stated on the quote\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat type of project do we primarily recommend the LETO 30,000 BTU for?\u003c\/h3\u003e\n\u003cp\u003eThis heat pump is particularly worth considering for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea \u003cstrong\u003elarge residential open-concept area\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ea \u003cstrong\u003elarge basement\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ea loft;\u003c\/li\u003e\n\u003cli\u003ea workshop;\u003c\/li\u003e\n\u003cli\u003ean office;\u003c\/li\u003e\n\u003cli\u003ea commercial space;\u003c\/li\u003e\n\u003cli\u003ea large common area;\u003c\/li\u003e\n\u003cli\u003ea space where high airflow is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is less suitable when a homeowner is primarily looking for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eheating several isolated bedrooms behind closed doors;\u003c\/li\u003e\n\u003cli\u003ea heat pump intended for primary heating during extreme cold;\u003c\/li\u003e\n\u003cli\u003ea very compact indoor unit;\u003c\/li\u003e\n\u003cli\u003ea unit specifically designed according to ENERGY STAR – Cold Climate criteria.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy professional sizing is especially important at 30,000 BTU\u003c\/h3\u003e\n\u003cp\u003eWith a small heat pump, an error of a few thousand BTUs can already reduce comfort. With a \u003cstrong\u003e30,000 BTU\u003c\/strong\u003e unit, a sizing error becomes even more significant.\u003c\/p\u003e\n\u003cp\u003eWe check, among other things:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ecooling load;\u003c\/li\u003e\n\u003cli\u003eheat losses;\u003c\/li\u003e\n\u003cli\u003ethe actual open area;\u003c\/li\u003e\n\u003cli\u003eair circulation;\u003c\/li\u003e\n\u003cli\u003eelectrical capacity;\u003c\/li\u003e\n\u003cli\u003ethe drain position;\u003c\/li\u003e\n\u003cli\u003ethe refrigerant line route;\u003c\/li\u003e\n\u003cli\u003ethe outdoor unit support;\u003c\/li\u003e\n\u003cli\u003eclearances;\u003c\/li\u003e\n\u003cli\u003efuture access for maintenance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eWe aim to install the capacity required, not simply the highest capacity that can fit in the building.\u003c\/p\u003e\n\u003ch3\u003eHave AirGreen install the SENVILLE LETO 30,000 BTU\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e, we can verify whether the \u003cstrong\u003eSENVILLE LETO 30,000 BTU R454B SENL-30CD-OL \/ SENL-30CD-ILL\u003c\/strong\u003e is truly suitable for your space and compare this model with other heat pumps of similar capacity.\u003c\/p\u003e\n\u003cp\u003eWe serve \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, the North Shore, and Montérégie\u003c\/strong\u003e for \u003cstrong\u003ewall-mounted heat pump installation\u003c\/strong\u003e, residential and commercial HVAC projects, and after-sales service.\u003c\/p\u003e\n\u003cp\u003eTo obtain a quote, confirm the \u003cstrong\u003eLogisVert subsidy\u003c\/strong\u003e, plan the electrical supply, or determine whether 30,000 BTU is suitable for your building, contact \u003cstrong\u003eAirGreen at 514-316-2973\u003c\/strong\u003e or \u003cstrong\u003e\u003ca class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003esales@airgreen.ca\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56119910170916,"sku":"SENL-30CD-OL","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MURALE_SENVILLE_LETO_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_6e164e02-6e63-47bb-9840-7239f9f76e8a.png?v=1789049872"},{"product_id":"mini-split-senville-leto-36000-btu-montreal-laval-rive-sud","title":"SENVILLE LETO Mini-Split | 36000 BTU | Montréal, Laval, South Shore","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003e36,000 BTU in a single wall-mounted unit: a solution that requires as much attention to sizing as to installation\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e36,000 BTU SENVILLE LETO\u003c\/strong\u003e is not a mini-split intended for a small bedroom or enclosed office. With a rated capacity of \u003cstrong\u003e36,000 BTU\/h\u003c\/strong\u003e, an indoor unit nearly 50 inches wide, a \u003cstrong\u003e208\/230 V\u003c\/strong\u003e power supply, and \u003cstrong\u003e3\/8 in – 5\/8 in\u003c\/strong\u003e refrigerant piping, this is a wall-mounted heat pump designed for much larger spaces.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, this type of capacity makes the most sense in a \u003cstrong\u003elarge open-concept area, business, workshop, large basement, loft, or residential space with a high heating or cooling load\u003c\/strong\u003e. In Greater Montreal, however, the question is never simply whether 36,000 BTU is “enough.” We must determine whether this capacity can be distributed properly throughout the building and whether the heating performance meets the homeowner’s expectations during Quebec winters.\u003c\/p\u003e\n\u003cp\u003eThe configuration offered on our site uses the \u003cstrong\u003eSENL-36CD-OL\u003c\/strong\u003e outdoor unit and the \u003cstrong\u003eSENL-36CD-ILL\u003c\/strong\u003e indoor unit, associated with \u003cstrong\u003eAHRI 215735293\u003c\/strong\u003e. Senville documentation identifies the technical family under model \u003cstrong\u003eSENL-36CD-L\u003c\/strong\u003e and confirms that it is a \u003cstrong\u003e36,000 BTU LETO mini-split air conditioner and heat pump\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis precision is useful when a homeowner compares several documents: the suffixes may distinguish the indoor and outdoor components, while the general documentation groups the system under a series designation.\u003c\/p\u003e\n\u003ch3\u003eThe essential features of the 36,000 BTU SENVILLE LETO\u003c\/h3\u003e\n\u003cp\u003eThe official technical table on page 4 of the brochure provides a much more precise overview of the unit:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eRated cooling capacity: 36,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCooling range: 2,900 to 36,200 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated heating capacity: 36,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeating range: 3,600 to 36,600 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2: 18\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2: 9\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2 Region 4: 8.5\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2 Region 5: 6.8\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCOP listed: 2.82\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePower supply: 208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 33 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum protection: 35 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003erefrigerant: R-454B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003erefrigerant precharge: 25 feet\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003econnection wiring: 14\/4 AWG\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese values come directly from the Senville technical table. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen listing currently displays certain efficiency values in a concatenated format, including “118.030” for SEER2 and “19.020” for EER2. To avoid any ambiguity, we use the figures clearly presented in the official technical documentation here: \u003cstrong\u003e18 SEER2 and 9 EER2\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eA surprisingly wide modulation range for a 36,000 BTU unit\u003c\/h3\u003e\n\u003cp\u003eMaximum capacity naturally draws attention, but minimum capacity is almost as interesting.\u003c\/p\u003e\n\u003cp\u003eIn cooling mode, the compressor can go down to approximately \u003cstrong\u003e2,900 BTU\/h\u003c\/strong\u003e, according to the documentation. In heating mode, the published range starts at approximately \u003cstrong\u003e3,600 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis feature is important.\u003c\/p\u003e\n\u003cp\u003eA heat pump with \u003cstrong\u003eDC Inverter\u003c\/strong\u003e technology does not operate constantly at 36,000 BTU. It adjusts its output according to demand. The manufacturer also explains that its Inverter system modulates its operation in real time to maintain the desired temperature without constantly using its maximum capacity. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a large room that requires substantial cooling during a July day but very little during a cool evening, this modulation significantly improves the unit’s operation.\u003c\/p\u003e\n\u003cp\u003eIt also helps avoid an unnecessary succession of starts and stops when the load decreases.\u003c\/p\u003e\n\u003ch3\u003e1,250 to 1,800 sq. ft.: why this recommendation should be interpreted with caution\u003c\/h3\u003e\n\u003cp\u003eSenville presents the LETO 36,000 BTU as suitable for spaces of approximately \u003cstrong\u003e1,250 to 1,800 sq. ft.\u003c\/strong\u003e, particularly large rooms and living areas. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we use this figure only as an initial guideline.\u003c\/p\u003e\n\u003cp\u003eA wall-mounted mini-split does not have a duct network. Even with a capacity of 36,000 BTU, it cannot efficiently move its air through multiple walls, hallways, and closed doors.\u003c\/p\u003e\n\u003cp\u003eLet’s consider two 1,500-square-foot properties.\u003c\/p\u003e\n\u003cp\u003eThe first is a loft with the kitchen, living room, and dining room combined into a single space. A high-capacity wall-mounted unit may have access to much of the space.\u003c\/p\u003e\n\u003cp\u003eThe second is a bungalow with four bedrooms, several hallways, and doors that are regularly closed. Even if the total square footage is identical, a single 36,000 BTU wall-mounted heat pump does not automatically distribute its 36,000 BTU to each room.\u003c\/p\u003e\n\u003cp\u003eThis is a situation we regularly explain during our assessments of \u003cstrong\u003ewall-mounted heat pumps in Montreal, Laval, Longueuil, and the South Shore\u003c\/strong\u003e: \u003cstrong\u003eheating capacity and air distribution are two different problems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eA nearly 50-inch-wide unit: its location must be decided before installation\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit measures:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e49.57 in wide × 11.10 in deep × 14.25 in high\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eand weighs approximately \u003cstrong\u003e40.34 lb\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit measures:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e37.24 in × 16.14 in × 31.89 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ewith a weight of \u003cstrong\u003e142.86 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese dimensions significantly change the installation planning compared with a 9,000 or 12,000 BTU mini-split.\u003c\/p\u003e\n\u003cp\u003eA wall that seems large enough in a photograph can become much more restrictive when we need to plan:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe actual width of the evaporator;\u003c\/li\u003e\n\u003cli\u003ethe required clearances;\u003c\/li\u003e\n\u003cli\u003ethe piping outlet;\u003c\/li\u003e\n\u003cli\u003eaccess for maintenance;\u003c\/li\u003e\n\u003cli\u003ethe direction of the airflow;\u003c\/li\u003e\n\u003cli\u003ethe aesthetics of the installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe outdoor unit's weight is also significant. At nearly \u003cstrong\u003e143 lb\u003c\/strong\u003e, the choice of a wall bracket or ground stand must be suitable for this equipment category.\u003c\/p\u003e\n\u003cp\u003eA verified buyer quoted in the Senville brochure specifically points out that the unit is bulky, requires considerable space, and that the lines are relatively difficult to bend, while also noting that the unit performs as expected. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is practical feedback that reflects an installation reality: \u003cstrong\u003ea 36,000 BTU heat pump is not handled like a small wall-mounted unit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e3\/8-inch – 5\/8-inch piping: a major detail on the job site\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen configuration indicates 3\/8-inch – 5\/8-inch piping.\u003c\/p\u003e\n\u003cp\u003eWith a 5\/8-inch gas line, bends, changes in direction, and tight passages require more planning. This becomes especially important in Montreal plexes, South Shore townhouses, condominiums, or projects where the refrigerant line must go around a door, window, or balcony.\u003c\/p\u003e\n\u003cp\u003eThe documentation also indicates that the unit is \u003cstrong\u003eprecharged for 25 feet of piping\u003c\/strong\u003e. For a 50-foot set, Senville specifies that an additional R-454B charge must be added on site by the installer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe therefore need to know the actual line-set length before commissioning.\u003c\/p\u003e\n\u003cp\u003eThis is not merely a matter of the amount of copper. A professional installation requires proper work on the connections, circuit preparation, leak testing, and commissioning according to the manufacturer's specifications.\u003c\/p\u003e\n\u003ch3\u003eR-454B: the refrigerant generation used by this LETO\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE LETO 36,000 BTU uses R-454B\u003c\/strong\u003e. The technical table also confirms a factory charge intended for 25 feet. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis information must be taken into consideration during installation and service, particularly because the equipment, work procedures, and handling of the refrigeration circuit must correspond to the refrigerant used by the system.\u003c\/p\u003e\n\u003cp\u003eFor a customer, the key point is simpler: this is not an older model that uses a previous-generation refrigerant. The technician must therefore use the appropriate methods and tools.\u003c\/p\u003e\n\u003ch3\u003e33 A MCA and 35 A maximum protection: check the electrical system before the project begins\u003c\/h3\u003e\n\u003cp\u003eA 36,000 BTU mini-split requires a significantly larger electrical circuit than a lower-capacity wall-mounted unit.\u003c\/p\u003e\n\u003cp\u003eFor the LETO:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMCA: 33 A\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMaximum protection: 35 A\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe documentation and the AirGreen listing agree on these values. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe therefore check the available power supply before installation.\u003c\/p\u003e\n\u003cp\u003eA common mistake is to order a heat pump assuming that the circuit from an older, smaller unit can be reused directly. If the old unit was 12,000 or 18,000 BTU, the existing circuit may not meet the new system’s electrical requirements.\u003c\/p\u003e\n\u003cp\u003eThis preliminary check prevents us from arriving on-site with a heat pump ready to be installed when the electrical circuit needs to be modified.\u003c\/p\u003e\n\u003ch3\u003e882.9 CFM in Turbo: why airflow matters on a unit this large\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer’s table provides four indoor airflow rates:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e882.9 CFM in Turbo\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e732.8 CFM at high speed\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e518.0 CFM at medium speed\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e400.2 CFM at low speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe associated sound pressure levels are:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e56.5 dB(A) in Turbo\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e50.5 dB(A) at high speed\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e44.5 dB(A) at medium speed\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e34 dB(A) at low speed\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen listing currently displays a CFM field as “1883,” which does not match the indoor airflow detailed in the brochure. For a technical comparison, we therefore use the four airflow rates published in the official table.\u003c\/p\u003e\n\u003cp\u003eAn airflow of nearly \u003cstrong\u003e883 CFM\u003c\/strong\u003e also explains why positioning the indoor unit is so important. At high speed, the air movement is considerable.\u003c\/p\u003e\n\u003cp\u003eInstalling such a unit too close to a living area or directly facing an occupied zone can create a draft-like sensation. The goal is to use the airflow to distribute the temperature throughout the room, not to direct the flow constantly toward occupants.\u003c\/p\u003e\n\u003ch3\u003e34 dB(A) minimum, but 56.5 dB(A) in Turbo\u003c\/h3\u003e\n\u003cp\u003eSenville describes the system as capable of operating at up to \u003cstrong\u003e34 dB(A)\u003c\/strong\u003e on the quietest indoor setting. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis figure is useful, but it should be presented alongside the full sound range.\u003c\/p\u003e\n\u003cp\u003eAt full fan speed, the unit reaches \u003cstrong\u003e56.5 dB(A)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a 36,000 BTU heat pump intended for a large open area, this behavior is consistent with the required airflow. A room that requires substantial capacity needs a great deal of air to be moved.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit is rated at \u003cstrong\u003e61.4 dB(A)\u003c\/strong\u003e with a maximum outdoor airflow of \u003cstrong\u003e2,235.3 CFM\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn a dense environment in Montreal or a narrow yard in Longueuil, we therefore take into account the condenser’s location, reflective surfaces, nearby windows, and potential vibrations.\u003c\/p\u003e\n\u003ch3\u003eA dehumidification capacity of 4.9 L\/h\u003c\/h3\u003e\n\u003cp\u003eThe documentation indicates moisture removal of up to \u003cstrong\u003e4.9 liters per hour\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor large open areas, this feature can make a significant contribution to comfort during hot and humid periods.\u003c\/p\u003e\n\u003cp\u003eThe temperature shown on the thermostat does not tell the whole story. A space at 23 °C with high indoor humidity can remain uncomfortable.\u003c\/p\u003e\n\u003cp\u003eThe compressor’s modulation capability is useful here: when properly sized, the system can maintain more stable operation and help control humidity rather than operating only in very short cycles.\u003c\/p\u003e\n\u003ch2\u003eHeating in Quebec: what the LETO 36,000 BTU can actually deliver\u003c\/h2\u003e\n\u003ch3\u003eHeating advertised down to -15 °C\u003c\/h3\u003e\n\u003cp\u003eSenville’s official documentation clearly presents this model as a unit offering \u003cstrong\u003eheating down to -15 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis information should be emphasized because the LETO 36,000 BTU is not presented as an \u003cstrong\u003eENERGY STAR Cold Climate\u003c\/strong\u003e heat pump.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen specifications confirm:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eENERGY STAR: No\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eENERGY STAR Cold Climate: No\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis does not mean that the unit cannot heat efficiently during a large portion of the winter. Rather, it means that it should not be compared directly with a model specifically designed to maintain high capacity during extreme temperatures.\u003c\/p\u003e\n\u003ch3\u003eAirGreen’s published low-temperature capacities\u003c\/h3\u003e\n\u003cp\u003eOur product page provides several particularly useful performance points:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e24,600 BTU\/h at -8 °C\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e21,400 BTU\/h at -15 °C\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e11,200 BTU\/h at -25 °C\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese figures clearly show the decrease in capacity as the outdoor temperature drops.\u003c\/p\u003e\n\u003cp\u003eAt -15 °C, for example, the available \u003cstrong\u003e21,400 BTU\/h\u003c\/strong\u003e represents approximately 59% of the 36,000 BTU rated capacity.\u003c\/p\u003e\n\u003cp\u003eAt -25 °C, the indicated \u003cstrong\u003e11,200 BTU\/h\u003c\/strong\u003e represents approximately 31% of the rated capacity.\u003c\/p\u003e\n\u003cp\u003eThis is probably the most important information to understand before using this system as the primary heating source.\u003c\/p\u003e\n\u003cp\u003eA homeowner may see “36,000 BTU” and assume that this capacity is available regardless of the outdoor temperature. In practice, a heat pump’s capacity changes with conditions.\u003c\/p\u003e\n\u003ch3\u003eWhy a supplementary heating system may still be necessary\u003c\/h3\u003e\n\u003cp\u003eIn a large commercial room or residential space that genuinely requires 30,000 to 36,000 BTUs on the coldest days, a capacity of \u003cstrong\u003e21,400 BTU at -15 °C\u003c\/strong\u003e may not be sufficient on its own.\u003c\/p\u003e\n\u003cp\u003eThe existing electric heating can then supplement the heat pump.\u003c\/p\u003e\n\u003cp\u003eThis combination can make perfect sense if the LETO meets a large portion of the heating needs during the fall, spring, and milder winter periods, while a supplementary source comes into play during the coldest temperatures.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we prefer to explain this reality before installation rather than promise that a 36,000 BTU unit will automatically replace all existing heating systems.\u003c\/p\u003e\n\u003ch3\u003eIs the 36,000 BTU LETO suitable for Montreal, Laval, and the South Shore?\u003c\/h3\u003e\n\u003cp\u003eYes, for the right project.\u003c\/p\u003e\n\u003cp\u003eWe would consider it especially for a \u003cstrong\u003elarge open area\u003c\/strong\u003e, a business, a workshop, a substantial basement, or an area where 36,000 BTU cooling capacity is the priority.\u003c\/p\u003e\n\u003cp\u003eWe would be more cautious if the owner is primarily looking for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eprimary heating at very low temperatures;\u003c\/li\u003e\n\u003cli\u003ean ENERGY STAR Cold Climate certification;\u003c\/li\u003e\n\u003cli\u003eeligibility for a subsidy linked to this certification;\u003c\/li\u003e\n\u003cli\u003ehigh capacity maintained during extreme cold spells.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe AirGreen product sheet currently shows \u003cstrong\u003eno LogisVert subsidy amount\u003c\/strong\u003e for this combination and indicates that the unit is not ENERGY STAR certified. We therefore recommend \u003cstrong\u003enot including a subsidy in the net-price calculation until eligibility applicable at the time of purchase has been confirmed\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWiFi, Alexa, and remote control\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet indicates that \u003cstrong\u003eWiFi is included\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe Senville documentation also confirms \u003cstrong\u003eAlexa\u003c\/strong\u003e compatibility and the ability to use an app to change settings and schedule temperatures remotely. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a large commercial space or workshop, this feature can be particularly convenient.\u003c\/p\u003e\n\u003cp\u003eThe manager can adjust the temperature before occupants arrive, change schedules, or check settings without having to be physically in front of the remote control.\u003c\/p\u003e\n\u003ch3\u003eAutomatic vertical and horizontal louvers\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet confirms \u003cstrong\u003eautomatic vertical and horizontal louver control\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eOn a unit with such a high airflow rate, this is not merely a comfort feature.\u003c\/p\u003e\n\u003cp\u003eAirflow direction directly affects how the 36,000 BTUs are distributed throughout the room. We therefore use louver movement in addition to proper indoor-unit placement.\u003c\/p\u003e\n\u003cp\u003eHowever, even the best air-sweeping system cannot effectively get around several partitions. That is why the building layout remains central when choosing a single-zone mini-split.\u003c\/p\u003e\n\u003ch3\u003eWarranty: a difference to verify before purchase\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet shows:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10-year compressor – 10-year parts – 0-year labor\u003c\/strong\u003e, with additional warranty coverage possibly available.\u003c\/p\u003e\n\u003cp\u003eThe Senville brochure provided states:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5-year compressor – 5-year parts\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe same documentation specifies that installation by an authorized technician is required and that professional installation is necessary to maintain coverage and ensure compliant operation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis difference between the manufacturer's basic warranty and the warranty advertised by AirGreen must be confirmed according to the applicable program, product registration, and sales terms at the time of ordering.\u003c\/p\u003e\n\u003cp\u003eWe always recommend that the customer keep:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe invoice;\u003c\/li\u003e\n\u003cli\u003eserial numbers;\u003c\/li\u003e\n\u003cli\u003eproof of installation;\u003c\/li\u003e\n\u003cli\u003ewarranty registration information;\u003c\/li\u003e\n\u003cli\u003ethe documents associated with any additional warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat we verify before installing a 36,000 BTU LETO\u003c\/h3\u003e\n\u003cp\u003eWith a heat pump of this capacity, our preparation focuses on several elements that can completely change the final result.\u003c\/p\u003e\n\u003cp\u003eWe first validate the \u003cstrong\u003ethermal load and space configuration\u003c\/strong\u003e. Next come the evaporator location, airflow path, and the possibility of running the \u003cstrong\u003e3\/8 in – 5\/8 in\u003c\/strong\u003e lines to the condenser.\u003c\/p\u003e\n\u003cp\u003eWe also confirm the electrical circuit corresponding to the \u003cstrong\u003e33 A MCA and 35 A MOP\u003c\/strong\u003e, then determine an outdoor location sturdy enough for a unit weighing nearly \u003cstrong\u003e143 lb\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIn winter, we also plan the space around the condenser so that snow, ice, and water from defrosting do not interfere with its operation.\u003c\/p\u003e\n\u003cp\u003eThese are less visible elements than a SEER2 rating or a Wi-Fi function, but they are often what determines whether an installation will remain practical for many years.\u003c\/p\u003e\n\u003ch3\u003eThe SENVILLE LETO 36,000 BTU in brief\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE LETO SENL-36CD-OL \/ SENL-36CD-ILL\u003c\/strong\u003e is clearly intended for projects where high cooling capacity and strong airflow are required in a single zone.\u003c\/p\u003e\n\u003cp\u003eIts main technical specifications are solid and easy to identify: \u003cstrong\u003e36,000 BTU\u003c\/strong\u003e, \u003cstrong\u003e18 SEER2\u003c\/strong\u003e, \u003cstrong\u003eDC Inverter\u003c\/strong\u003e technology, \u003cstrong\u003eR-454B\u003c\/strong\u003e, Wi-Fi, Alexa compatibility, substantial modulation, \u003cstrong\u003e3\/8 in – 5\/8 in\u003c\/strong\u003e piping, and a 208\/230 V power supply.\u003c\/p\u003e\n\u003cp\u003eIts main limitation for the Quebec market is also clear: it is not an \u003cstrong\u003eENERGY STAR Cold Climate\u003c\/strong\u003e model, and its heating capacity decreases considerably at very low temperatures.\u003c\/p\u003e\n\u003cp\u003eFor some projects, this compromise is perfectly reasonable. For others, particularly when winter heating is the absolute priority, we may recommend a heat pump with higher low-temperature capacity.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, our job is precisely to make this distinction before the equipment is installed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor a SENVILLE LETO 36,000 BTU installation in Montreal, Laval, Longueuil, on the South Shore, the North Shore, or elsewhere in Greater Montreal, contact AirGreen. We can verify the sizing, electrical supply, unit locations, and building configuration to prepare a quote tailored to the project.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56119910400292,"sku":"SENL-36CD-OL","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MURALE_SENVILLE_LETO_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_f2db75ca-9675-4843-b719-d4025b9e9aae.png?v=1789049878"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/collections\/THERMOPOMPE_MURALE_SENVILLE_LETO_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_c2ae509c-8592-45c6-a862-c20ab5fdc61b.png?v=1789053819","url":"https:\/\/airgreen.ca\/en\/collections\/thermopompe-murale-senville-leto-montreal-laval-rive-sud.oembed","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}