{"product_id":"thermopompe-4-zones-senville-r454b-27000-btu","title":"SENVILLE R454B 4-Zone Heat Pump | 27000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eUp to four zones on a single outdoor unit: a highly appealing multi-zone solution when several rooms need to be heated and cooled independently\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003e4-zone heat pump\u003c\/strong\u003e is not simply a large wall-mounted heat pump with several heads added to it. Sizing, capacity distribution among the rooms, total refrigerant piping length, and how occupants use each zone become critical.\u003c\/p\u003e\n\u003cp\u003eThe system presented here is based on the \u003cstrong\u003eSENVILLE SENA-28HF-MOA\u003c\/strong\u003e outdoor unit, operating with \u003cstrong\u003eR-454B\u003c\/strong\u003e, with a commercial capacity of approximately \u003cstrong\u003e27,000 to 28,000 BTU\u003c\/strong\u003e depending on the technical source used. Senville documentation confirms that this outdoor unit supports \u003cstrong\u003e2 to 4 zones\u003c\/strong\u003e, making it possible to create a true four-zone configuration with compatible indoor units. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e, this type of system is particularly relevant in \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, the North Shore, and Montérégie\u003c\/strong\u003e when a property has several bedrooms or distinct spaces that cannot be properly served by a single wall-mounted head.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen product page associates this unit with the following specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: SENA-28HF-MOA\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum configuration: 4 zones\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAHRI: 215735314\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R-454B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDisplayed cooling capacity: 27,000 BTU\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER: 23.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER: 12.5\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF: 10.5\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR®: yes\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCold Climate: yes\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeating down to -30 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWiFi: included\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePower supply: 220 V\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 30 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMOP: 35 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor sound level: 61 dB(A)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDisplayed provincial rebate: $3,600\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR ID: 3630061\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe manufacturer documentation provided lists \u003cstrong\u003e28,000 nominal BTU\u003c\/strong\u003e, a \u003cstrong\u003eSEER of 23.8\u003c\/strong\u003e, an \u003cstrong\u003eEER of 12.5\u003c\/strong\u003e, and an \u003cstrong\u003eHSPF4 of 10.5\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e This slight difference between 27,000 and 28,000 BTU, or between SEER 23.0 and 23.8, should simply be attributed to the exact certified combination used on the AirGreen product page.\u003c\/p\u003e\n\u003ch3\u003eThe attached brochure shows two zones, but the SENA-28HF-MOA unit can support four\u003c\/h3\u003e\n\u003cp\u003eThe brochure’s first page commercially presents a \u003cstrong\u003edual-zone\u003c\/strong\u003e configuration, with two indoor units of \u003cstrong\u003e12,000 BTU each\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis could give the impression that the SENA-28HF-MOA is only a 2-zone system. However, the technical table clarifies the point: \u003cstrong\u003eNumber of Zones: 2–4\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor this article about a \u003cstrong\u003eSENVILLE 4-zone heat pump\u003c\/strong\u003e, we are therefore referring to this outdoor unit’s ability to power up to four compatible indoor units.\u003c\/p\u003e\n\u003cp\u003eHowever, the brochure provided does not specify the exact combination of the four heads that will be used on the AirGreen listing. We should therefore not invent four precise indoor capacities. They must be selected according to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe heat load of each room;\u003c\/li\u003e\n\u003cli\u003ethe combinations authorized by Senville;\u003c\/li\u003e\n\u003cli\u003ethe admissible total connected capacity;\u003c\/li\u003e\n\u003cli\u003ethe certification applicable to the complete combination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe main advantage of a 4-zone system: no longer forcing a single head to condition the entire home\u003c\/h3\u003e\n\u003cp\u003eWe regularly encounter properties where a wall-mounted heat pump is installed in the living room in the hope that it will also cool the bedrooms farther away.\u003c\/p\u003e\n\u003cp\u003eIn an open area, this can sometimes work properly.\u003c\/p\u003e\n\u003cp\u003eIn a home with multiple doors, a hallway, and separate bedrooms, air circulation becomes much more limited.\u003c\/p\u003e\n\u003cp\u003eA \u003cstrong\u003e4-zone\u003c\/strong\u003e configuration, by contrast, allows an indoor unit to be installed in each strategic area. For example:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eone unit for the living room;\u003c\/li\u003e\n\u003cli\u003eone for the primary bedroom;\u003c\/li\u003e\n\u003cli\u003eone for two bedrooms or an upstairs area, depending on the layout;\u003c\/li\u003e\n\u003cli\u003eone for the basement or an office.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach zone then gets its own temperature control.\u003c\/p\u003e\n\u003cp\u003eFor a home in \u003cstrong\u003eMontreal, Laval, or Longueuil\u003c\/strong\u003e, this approach can be much more comfortable than a single large heat pump installed in a central area.\u003c\/p\u003e\n\u003ch3\u003eFour independent zones do not mean four independent compressors\u003c\/h3\u003e\n\u003cp\u003eThis is one of the most important concepts to understand about a multi-zone heat pump.\u003c\/p\u003e\n\u003cp\u003eEach head can have its own setting, but the four indoor units share \u003cstrong\u003ethe same SENA-28HF-MOA outdoor unit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe brochure lists a rated cooling capacity of approximately \u003cstrong\u003e28,000 BTU\/h\u003c\/strong\u003e, with an operating range of approximately \u003cstrong\u003e9,838 to 30,438 BTU\/h\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIn heating mode, the rated capacity is also listed at \u003cstrong\u003e28,000 BTU\/h\u003c\/strong\u003e, with a range of approximately \u003cstrong\u003e8,218 to 31,000 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe compressor therefore does not produce 27,000 or 28,000 BTUs for each of the four heads.\u003c\/p\u003e\n\u003cp\u003eIt distributes its available capacity according to the demands of the different zones.\u003c\/p\u003e\n\u003ch3\u003eWhy sizing each indoor head is crucial\u003c\/h3\u003e\n\u003cp\u003eSuppose a homeowner has four rooms of very different sizes.\u003c\/p\u003e\n\u003cp\u003eInstalling four identical indoor units solely to simplify ordering would rarely be the best strategy.\u003c\/p\u003e\n\u003cp\u003eA 150 sq. ft. bedroom and a 500 sq. ft. open living area do not have the same load.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we therefore want to determine:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ehow many BTUs are actually needed in each zone;\u003c\/li\u003e\n\u003cli\u003ewhether the four units can be combined with the SENA-28HF-MOA;\u003c\/li\u003e\n\u003cli\u003ewhether the total connected capacity remains compliant;\u003c\/li\u003e\n\u003cli\u003ewhether the distribution will remain logical when several zones simultaneously require their full capacity.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThis step is particularly important for a multi-zone system because a sizing error in one room can affect overall operation.\u003c\/p\u003e\n\u003ch3\u003eSEER from 23 to 23.8: an appealing efficiency for a multi-zone system\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen data sheet lists a \u003cstrong\u003eSEER of 23.0\u003c\/strong\u003e, while the brochure table gives \u003cstrong\u003e23.8\u003c\/strong\u003e for the SENA-28HF-MOA. The \u003cstrong\u003e12.5\u003c\/strong\u003e EER is consistent across the information provided. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a system that can supply four zones, this efficiency is particularly relevant.\u003c\/p\u003e\n\u003cp\u003eA properly used multi-zone system also makes it possible to concentrate comfort where it is actually needed.\u003c\/p\u003e\n\u003cp\u003eIf occupants mainly use two rooms during the day, it is not essential to maintain exactly the same setpoint in all four zones.\u003c\/p\u003e\n\u003cp\u003eThis approach may be worthwhile in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea large house;\u003c\/li\u003e\n\u003cli\u003ea duplex;\u003c\/li\u003e\n\u003cli\u003ea multi-bedroom condo;\u003c\/li\u003e\n\u003cli\u003ea partially occupied basement;\u003c\/li\u003e\n\u003cli\u003ea home office;\u003c\/li\u003e\n\u003cli\u003ecertain small commercial spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHeating down to -30 °C: a true cold-climate heat pump\u003c\/h3\u003e\n\u003cp\u003eThe SENVILLE is identified as \u003cstrong\u003eCold Climate\u003c\/strong\u003e, and the brochure states that it operates in heating mode down to \u003cstrong\u003e-22 °F, or -30 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen data sheet provides much more useful capacities for understanding its winter performance:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e30,000 BTU\/h at -8 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e27,000 BTU\/h at -15 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e14,000 BTU\/h maximum at -30 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe stated COP is approximately \u003cstrong\u003e2.36 at -8 °C\u003c\/strong\u003e and \u003cstrong\u003e1.26 at -30 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThese figures clearly show why we never simply say that a heat pump “works at -30 °C.”\u003c\/p\u003e\n\u003cp\u003eIt can continue heating at this temperature, but its maximum capacity then drops to approximately \u003cstrong\u003e14,000 BTU\/h\u003c\/strong\u003e according to AirGreen data.\u003c\/p\u003e\n\u003ch3\u003eAt -15 °C, the capacity remains close to the system’s rated capacity.\u003c\/h3\u003e\n\u003cp\u003eThe figure of \u003cstrong\u003e27,000 BTU\/h at -15 °C\u003c\/strong\u003e is particularly important in the Quebec context.\u003c\/p\u003e\n\u003cp\u003eAt this temperature, the unit may still provide a capacity comparable to its advertised rated output.\u003c\/p\u003e\n\u003cp\u003eFor an installation in \u003cstrong\u003eMontréal, Laval, Longueuil, Boucherville, or the North Shore\u003c\/strong\u003e, this behavior is often more economically relevant than the performance observed during a few extremely cold hours at -30 °C.\u003c\/p\u003e\n\u003cp\u003eWe want to know what proportion of the heating season can be effectively covered by the heat pump before backup systems become necessary.\u003c\/p\u003e\n\u003ch3\u003eA four-zone configuration requires consideration of simultaneous operation in winter\u003c\/h3\u003e\n\u003cp\u003eConsider four zones that all require substantial heating on a January morning.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit has a specified overall capacity. It must therefore distribute that capacity among all the indoor heads calling for heat.\u003c\/p\u003e\n\u003cp\u003eThat is why a homeowner should not simply add the rated capacities listed for the four indoor units and consider that total to be the system's guaranteed output.\u003c\/p\u003e\n\u003cp\u003eThe actual maximum output depends on the outdoor unit, the temperature, and the installed combination.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR and a $3,600 provincial rebate\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet indicates:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eENERGY STAR®: yes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCold Climate: yes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eENERGY STAR ID: 3630061\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eas well as an \u003cstrong\u003eadvertised provincial rebate of $3,600\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe manufacturer's brochure also identifies the series as \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e and highlights operation down to -30 °C. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAs always, rebate programs must be confirmed at the time of quotation.\u003c\/p\u003e\n\u003cp\u003eOn a multi-zone system, this verification is particularly important because eligibility may depend not only on the outdoor unit, but also on the \u003cstrong\u003eexact combination of indoor units\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eA 1,300-to-1,500-square-foot recommendation to use with caution\u003c\/h3\u003e\n\u003cp\u003eSenville indicates an approximate range of \u003cstrong\u003e1,300 to 1,500 sq. ft.\u003c\/strong\u003e for the configuration presented in its brochure. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHowever, it should be noted that this commercial page shows a \u003cstrong\u003edual-zone 12,000 + 12,000 BTU\u003c\/strong\u003e configuration.\u003c\/p\u003e\n\u003cp\u003eWe therefore should not automatically take this floor area and present it as an absolute rule for every four-zone configuration.\u003c\/p\u003e\n\u003cp\u003eFour small, well-insulated zones may have a different load from four rooms in an older building with a lot of fenestration.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we use floor area as a starting point, never as the final calculation.\u003c\/p\u003e\n\u003ch2\u003eInstallation details that become critical when a single outdoor unit supplies four zones\u003c\/h2\u003e\n\u003ch3\u003eA precharge that can cover up to 100 feet of piping\u003c\/h3\u003e\n\u003cp\u003eThe SENA-28HF-MOA contains approximately \u003cstrong\u003e120.61 oz of R-454B\u003c\/strong\u003e, and the documentation indicates a refrigerant precharge designed for up to \u003cstrong\u003e100 feet\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSenville also mentions this 100-foot precharge in its product presentation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOn a four-zone system, this detail deserves particular attention because the lengths add up quickly.\u003c\/p\u003e\n\u003cp\u003eIf the outdoor unit is located at ground level and several indoor heads are on different floors or façades, the project's total length can become considerable.\u003c\/p\u003e\n\u003cp\u003eWe must therefore calculate precisely:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe length of each circuit;\u003c\/li\u003e\n\u003cli\u003ethe total length;\u003c\/li\u003e\n\u003cli\u003ethe height differences;\u003c\/li\u003e\n\u003cli\u003ethe fittings;\u003c\/li\u003e\n\u003cli\u003ethe additional charge requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe “1\/4 – 3\/8” data must not be used as a complete piping plan\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specifications indicate \u003cstrong\u003e1\/4 in – 3\/8 in\u003c\/strong\u003e piping.\u003c\/p\u003e\n\u003cp\u003eOn a 4-zone system, this general information is not enough to determine the diameter of each branch without knowing which indoor units have been selected.\u003c\/p\u003e\n\u003cp\u003eWe always validate the connections port by port according to the actual combination.\u003c\/p\u003e\n\u003cp\u003eThis is particularly important when heads with different capacities are combined on the same outdoor unit.\u003c\/p\u003e\n\u003ch3\u003eEach indoor head produces its own condensate\u003c\/h3\u003e\n\u003cp\u003eFour zones potentially mean \u003cstrong\u003efour separate drains\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIn a simple installation, we can often use gravity drainage.\u003c\/p\u003e\n\u003cp\u003eIn a more complex home, some heads may require a much longer route or a specialized solution when a natural slope is impossible.\u003c\/p\u003e\n\u003cp\u003eWe therefore plan the drainage at the same time as the refrigerant lines.\u003c\/p\u003e\n\u003cp\u003eAn installation where the pipes are properly installed but the condensate cannot drain correctly is still a poor installation.\u003c\/p\u003e\n\u003ch3\u003eAutomatic vertical and horizontal louvers\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specifications indicate \u003cstrong\u003eautomatic vertical and horizontal louvers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eOn a four-indoor-unit system, this helps direct the airflow independently in each space.\u003c\/p\u003e\n\u003cp\u003eHowever, even with motorized louvers, the location of each head remains essential.\u003c\/p\u003e\n\u003cp\u003eWe try to avoid:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ean unit blowing directly onto the bed;\u003c\/li\u003e\n\u003cli\u003ea head hidden behind a beam or partition;\u003c\/li\u003e\n\u003cli\u003ean installation oriented toward a door rather than the room;\u003c\/li\u003e\n\u003cli\u003ean indoor unit installed too close to the ceiling without adequate clearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBe careful with the figure of 2,130 CFM: it refers to the outdoor airflow\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specifications mention approximately \u003cstrong\u003e2,130 CFM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe manufacturer’s table specifies that this value of \u003cstrong\u003e2,129.41 CFM corresponds to the maximum airflow of the outdoor unit\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is not the combined airflow of the four indoor units.\u003c\/p\u003e\n\u003cp\u003eThis distinction is important to avoid confusion in the product specifications.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit must be able to freely draw in and discharge this volume of air. It therefore must not be installed in an overly enclosed space or behind an excessively restrictive decorative structure.\u003c\/p\u003e\n\u003ch3\u003e61 dB(A) outdoors\u003c\/h3\u003e\n\u003cp\u003eThe stated outdoor sound level is \u003cstrong\u003e61 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a multizone unit of this capacity, the location therefore deserves careful consideration.\u003c\/p\u003e\n\u003cp\u003eWe specifically consider:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ebedroom windows;\u003c\/li\u003e\n\u003cli\u003ethe deck;\u003c\/li\u003e\n\u003cli\u003eneighboring properties;\u003c\/li\u003e\n\u003cli\u003ewalls that may reflect noise;\u003c\/li\u003e\n\u003cli\u003eservice access;\u003c\/li\u003e\n\u003cli\u003eclearances;\u003c\/li\u003e\n\u003cli\u003emunicipal regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe shortest piping route is not always the best choice if the unit ends up directly below a bedroom.\u003c\/p\u003e\n\u003ch3\u003eAn outdoor unit weighing 168 lb\u003c\/h3\u003e\n\u003cp\u003eThe dimensions are:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e37.24 in × 16.14 in × 31.89 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003efor a weight of approximately \u003cstrong\u003e168.43 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA solid installation is therefore essential.\u003c\/p\u003e\n\u003cp\u003eDepending on the property, we can use a suitable base or support, taking snow, access, and long-term stability into account.\u003c\/p\u003e\n\u003ch3\u003e208\/230 V, MCA 30 A, and maximum protection of 35 A\u003c\/h3\u003e\n\u003cp\u003eThe brochure indicates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e208\/230 V\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003esingle-phase;\u003c\/li\u003e\n\u003cli\u003e60 Hz;\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 30 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003emaximum fuse: 35 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003econnection 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\u003eThis information is consistent with the AirGreen specification sheet.\u003c\/p\u003e\n\u003cp\u003eBefore installation, however, we must confirm the panel's actual capacity and the project's specific electrical requirements.\u003c\/p\u003e\n\u003ch3\u003eWiFi included and independent zone control\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specification sheet indicates \u003cstrong\u003eWiFi included\u003c\/strong\u003e, and the brochure confirms smart control through Alexa or an app for the system presented. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWith four zones, this feature becomes particularly useful.\u003c\/p\u003e\n\u003cp\u003eFor example, a homeowner can maintain a different temperature in a bedroom than in the living room and reduce operation in an unused office over the weekend.\u003c\/p\u003e\n\u003cp\u003eThe true value of a multi-zone system appears precisely when this independence is used instead of setting all the units to the same temperature year-round.\u003c\/p\u003e\n\u003ch3\u003eAn interesting user review about comfort, but also about connectivity\u003c\/h3\u003e\n\u003cp\u003eThe brochure contains a review from a verified Canadian buyer stating that the system made their home comfortable during the summer. However, they mention not using certain connected features as intended. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis illustrates a practical point: the WiFi must be configured correctly, and the user must understand the necessary accessories and applications.\u003c\/p\u003e\n\u003cp\u003eDuring an AirGreen installation, commissioning should therefore not be limited to checking that the compressor starts.\u003c\/p\u003e\n\u003ch3\u003eWarranty: the AirGreen specification sheet and the brochure do not provide exactly the same coverage\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specification sheet indicates a warranty:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10 years compressor – 10 years parts – 0 years labor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ewith the possibility of additional warranty coverage.\u003c\/p\u003e\n\u003cp\u003eThe Senville documentation provided, for its part, states:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10 years compressor – 5 years parts\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe technical table lists the same coverage: 10 years on the compressor and 5 years on parts. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIf AirGreen benefits from a special program offering 10 years on parts, it is best to confirm this clearly in the quote and on the final specification sheet.\u003c\/p\u003e\n\u003ch3\u003eA Scenario Where Four Zones Make Much More Sense Than One Large Indoor Unit\u003c\/h3\u003e\n\u003cp\u003eConsider a two-storey house with three bedrooms and an open main living area.\u003c\/p\u003e\n\u003cp\u003eWith a single high-capacity unit in the living room, the bedrooms can remain uncomfortable when their doors are closed.\u003c\/p\u003e\n\u003cp\u003eA four-zone system can allow:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eone unit for the main living area;\u003c\/li\u003e\n\u003cli\u003eone unit for the primary bedroom;\u003c\/li\u003e\n\u003cli\u003etwo additional units for bedrooms or separate spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe outdoor unit remains a single unit, but air distribution becomes much more precise.\u003c\/p\u003e\n\u003cp\u003eThis is exactly the type of project where a \u003cstrong\u003e4-zone heat pump in Montreal, Laval, or Longueuil\u003c\/strong\u003e can offer a tangible advantage.\u003c\/p\u003e\n\u003ch3\u003eWhen Two Independent Heat Pumps May Nonetheless Be Preferable\u003c\/h3\u003e\n\u003cp\u003eA multi-zone system is not automatically better.\u003c\/p\u003e\n\u003cp\u003eTwo separate systems may be appropriate if:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe zones are very far apart;\u003c\/li\u003e\n\u003cli\u003ethe building consists of two separate dwellings;\u003c\/li\u003e\n\u003cli\u003eredundancy is a priority;\u003c\/li\u003e\n\u003cli\u003ethe refrigerant line runs become excessively complex.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith a multi-zone system, a single outdoor unit serves all the zones. A failure of this unit can therefore affect several rooms at once.\u003c\/p\u003e\n\u003cp\u003eWe always compare this reality with the benefits of a cleaner-looking exterior façade and a single condenser.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose AirGreen for a SENVILLE 4-Zone Installation\u003c\/h3\u003e\n\u003cp\u003eA four-zone installation requires much more planning than a single-zone heat pump.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we check:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ethe heating load of each of the four zones;\u003c\/li\u003e\n\u003cli\u003ecompatible indoor capacities;\u003c\/li\u003e\n\u003cli\u003ethe certified combination with the \u003cstrong\u003eSENA-28HF-MOA\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ethe length of each line set;\u003c\/li\u003e\n\u003cli\u003ethe total refrigerant charge;\u003c\/li\u003e\n\u003cli\u003edrainage for each indoor unit;\u003c\/li\u003e\n\u003cli\u003ewall penetrations;\u003c\/li\u003e\n\u003cli\u003ethe outdoor location;\u003c\/li\u003e\n\u003cli\u003ethe 208\/230 V power supply;\u003c\/li\u003e\n\u003cli\u003efuture maintenance needs;\u003c\/li\u003e\n\u003cli\u003ethe certification and applicable subsidy.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eWe carry out \u003cstrong\u003emulti-zone heat pump projects in Montreal, Laval, Longueuil, on the South Shore, the North Shore, and in Montérégie\u003c\/strong\u003e, with particular attention to airflow and the actual sizing of each room.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE SENA-28HF-MOA R454B\u003c\/strong\u003e offers very appealing features for this type of project: \u003cstrong\u003eup to four zones, ENERGY STAR, Cold Climate, heating down to -30 °C, high seasonal efficiency, WiFi, inverter modulation, and a refrigerant charge suitable for lines up to 100 feet\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact AirGreen to get a quote for the SENVILLE R454B 27,000 BTU 4-zone heat pump, determine the right capacities for each of your rooms, and confirm the applicable subsidy in Montreal, Laval, Longueuil, on the South Shore or the North Shore.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56120040096036,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_4_ZONES_SENVILLE_R454B_27000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1789057786","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-4-zones-senville-r454b-27000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}