{"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","url":"https:\/\/airgreen.ca\/en\/products\/mini-split-senville-leto-24000-btu-montreal-laval-rive-sud","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}