{"product_id":"thermopompe-5-zones-senville-r454b-36000-btu","title":"SENVILLE R454B 5-Zone Heat Pump | 36000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA single outdoor unit for five distinct areas: a multi-zone solution that requires proper sizing work\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003e36,000-BTU five-zone heat pump\u003c\/strong\u003e should not be approached as five small independent heat pumps grouped around the same compressor. With the \u003cstrong\u003eSENVILLE SENA-36HF-MOA\u003c\/strong\u003e, the five indoor units share the outdoor unit’s available capacity, while each zone retains its own temperature control and airflow.\u003c\/p\u003e\n\u003cp\u003eThis architecture is particularly interesting in homes in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, and the South Shore\u003c\/strong\u003e where needs are distributed among several enclosed rooms: bedrooms, an office, a basement, an open-concept area, an upper floor, or an addition. In this type of building, increasing the capacity of a single wall-mounted unit does not necessarily solve the problem. Instead, heating and cooling should be brought directly to the areas that need them.\u003c\/p\u003e\n\u003cp\u003eThe technical documentation for the \u003cstrong\u003eSENA-36HF-MOA\u003c\/strong\u003e confirms that this multi-zone platform can serve \u003cstrong\u003e2 to 5 zones\u003c\/strong\u003e. It operates on a 208\/230 V single-phase power supply, offers a \u003cstrong\u003eSEER2 of 23\u003c\/strong\u003e, an \u003cstrong\u003eEER2 of 13\u003c\/strong\u003e, a nominal capacity of 36,000 BTU, and a much wider modulation range than this nominal value. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor the configuration published by AirGreen, the main specifications are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: SENA-36HF-MOA\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCooling capacity: 36,000 BTU\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAHRI: 215735317\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR: yes\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR cold climate: yes\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR number: 3630064\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R-454B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2: 23.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2: 13.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2: 10.7\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\u003eCapacity at -8°C: 38,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCapacity at -15°C: 36,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum capacity at -30°C: 22,400 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCOP at -8°C: 2.12\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum COP at -30°C: 1.47\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 37 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMOP: 40 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum outdoor airflow: approximately 3,038 CFM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor sound level: 65 dB(A)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWiFi: included\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eProvincial subsidy displayed by AirGreen: $4,560\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat “five zones” really means\u003c\/h3\u003e\n\u003cp\u003eThe outdoor unit does not have five compressors. It has a single capacity source that is distributed among the indoor units according to demand.\u003c\/p\u003e\n\u003cp\u003eThis is an essential point.\u003c\/p\u003e\n\u003cp\u003eIf five indoor units are installed in five rooms, they do not automatically receive \u003cstrong\u003e7,200 BTU each\u003c\/strong\u003e simply because 36,000 divided by five equals 7,200.\u003c\/p\u003e\n\u003cp\u003eThe system’s logic is dynamic.\u003c\/p\u003e\n\u003cp\u003eA room that has already reached its setpoint may require very little energy, while an open-concept ground-floor area may require much more capacity. The inverter compressor then adjusts its operating speed within the limits set by the installed combination.\u003c\/p\u003e\n\u003cp\u003eSenville's technical data sheet indicates a \u003cstrong\u003ecooling range of 9,000 to 43,000 BTU\/h\u003c\/strong\u003e and a \u003cstrong\u003eheating range of 10,000 to 44,000 BTU\/h\u003c\/strong\u003e. It also indicates electrical modulation ranging approximately from 600 to 4,000 W in cooling mode and from 600 to 3,750 W in heating mode. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis modulation is what allows a multi-zone system to respond to several varying demands without continuously running the compressor at maximum capacity.\u003c\/p\u003e\n\u003ch3\u003eThe attached brochure shows a two-zone configuration, but the outdoor unit supports up to five zones\u003c\/h3\u003e\n\u003cp\u003eThe first page of the provided document presents a commercial combination consisting of \u003cstrong\u003etwo 18,000 BTU indoor units\u003c\/strong\u003e, under reference SENA-36HF-D1818. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis should not be taken to mean that the SENA-36HF-MOA is limited to two indoor units.\u003c\/p\u003e\n\u003cp\u003eThe technical table in the same document clearly states:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Zones: 2–5.\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is the outdoor platform of interest here for the \u003cstrong\u003e5-zone AirGreen\u003c\/strong\u003e configuration.\u003c\/p\u003e\n\u003cp\u003eHowever, the brochure does not provide, in the attached pages, the complete list of permitted combinations of five indoor units. We therefore cannot automatically deduce their individual capacities from this document. In an actual project, we verify the exact combination before selecting the five indoor units.\u003c\/p\u003e\n\u003ch3\u003eWhy five small indoor units can provide better comfort than one large unit\u003c\/h3\u003e\n\u003cp\u003eLet us consider a typical two-story house with a basement.\u003c\/p\u003e\n\u003cp\u003eIt includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea large living room and kitchen;\u003c\/li\u003e\n\u003cli\u003ea primary bedroom;\u003c\/li\u003e\n\u003cli\u003etwo other bedrooms;\u003c\/li\u003e\n\u003cli\u003ea basement office.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEven if a single 24,000 or 36,000 BTU heat pump has sufficient theoretical capacity for the total area, it cannot efficiently deliver air through multiple doors, corridors, stairwells, and walls.\u003c\/p\u003e\n\u003cp\u003eA \u003cstrong\u003e5-zone heat pump\u003c\/strong\u003e addresses the problem differently.\u003c\/p\u003e\n\u003cp\u003eEach area receives its own indoor unit.\u003c\/p\u003e\n\u003cp\u003eIn this scenario, a design could assign one indoor unit to the open area, then use units suited to the bedrooms and basement. We do not automatically assign the same capacity to every room: each zone is sized according to its own thermal losses and gains.\u003c\/p\u003e\n\u003ch3\u003eA bedroom should not be oversized simply because the outdoor unit is large\u003c\/h3\u003e\n\u003cp\u003eThis is a mistake we particularly strive to avoid.\u003c\/p\u003e\n\u003cp\u003eIf a small bedroom has a low heating and cooling load, installing an unnecessarily large indoor unit can produce shorter cycles and less stable comfort.\u003c\/p\u003e\n\u003cp\u003eThe fact that the outdoor unit is capable of \u003cstrong\u003e36,000 BTU\u003c\/strong\u003e does not justify installing large indoor units everywhere.\u003c\/p\u003e\n\u003cp\u003eWe look at, in particular:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003earea of each zone;\u003c\/li\u003e\n\u003cli\u003enumber of exterior walls;\u003c\/li\u003e\n\u003cli\u003enumber of windows;\u003c\/li\u003e\n\u003cli\u003esun exposure;\u003c\/li\u003e\n\u003cli\u003einsulation level;\u003c\/li\u003e\n\u003cli\u003eceiling height;\u003c\/li\u003e\n\u003cli\u003ethe presence of heat-generating equipment;\u003c\/li\u003e\n\u003cli\u003ethe frequency with which the room is used.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is particularly important when we work on homes in \u003cstrong\u003eMontreal\u003c\/strong\u003e with several small bedrooms or plexes where each room has a different layout.\u003c\/p\u003e\n\u003ch3\u003eFive independent thermostats, but one shared operating mode\u003c\/h3\u003e\n\u003cp\u003eEach indoor unit can have its own setpoint.\u003c\/p\u003e\n\u003cp\u003eA homeowner could therefore maintain:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e21 °C in the living room;\u003c\/li\u003e\n\u003cli\u003e19 °C in a bedroom;\u003c\/li\u003e\n\u003cli\u003e20 °C in another;\u003c\/li\u003e\n\u003cli\u003e18 °C in a rarely used office;\u003c\/li\u003e\n\u003cli\u003e20.5 °C in the basement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHowever, there is an important limitation to understand before purchasing a multi-zone heat pump.\u003c\/p\u003e\n\u003cp\u003eIndoor units connected to the same outdoor unit should normally operate in compatible modes. One room cannot continuously call for cooling while another requires heating at the same time on a conventional reversible system.\u003c\/p\u003e\n\u003cp\u003eIn most Quebec residences, this limit poses few problems in the middle of winter or at the height of summer, but it can become relevant during the shoulder seasons if certain rooms have significantly different solar loads.\u003c\/p\u003e\n\u003ch3\u003e36,000 nominal BTU\/h, but up to 44,000 BTU\/h under certain conditions\u003c\/h3\u003e\n\u003cp\u003eSenville documentation indicates a nominal heating capacity of \u003cstrong\u003e36,000 BTU\/h\u003c\/strong\u003e, but a range that can reach \u003cstrong\u003e44,000 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis margin is useful during periods of high simultaneous demand.\u003c\/p\u003e\n\u003cp\u003eConversely, the system can significantly reduce its output when only one or two zones actually require heat.\u003c\/p\u003e\n\u003cp\u003eThis is particularly useful in the spring and fall in \u003cstrong\u003eGreater Montreal\u003c\/strong\u003e, when heating needs change rapidly between day and night.\u003c\/p\u003e\n\u003ch3\u003eHeating down to -30 °C: a very interesting feature, but one that must be interpreted correctly\u003c\/h3\u003e\n\u003cp\u003eSenville indicates a minimum outdoor heating temperature of \u003cstrong\u003e-22 °F \/ -30 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen data sheet also specifies the following capacities:\u003c\/p\u003e\n\u003cdiv class=\"group TyagGW_tableContainer TyagGW_tableContainerWithTableOfContents\"\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\"\u003ePublished 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\u003e38,000 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\u003e36,000 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-30 °C maximum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e22,400 BTU\/h\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 show why the statement “heats down to -30 °C” is never enough to size a heat pump.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e-15 °C\u003c\/strong\u003e, the listed capacity remains equivalent to the nominal 36,000 BTU.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e-30 °C\u003c\/strong\u003e, it drops to approximately \u003cstrong\u003e22,400 BTU\/h\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIf the house loses 32,000 BTU\/h when the outdoor temperature reaches -30 °C, the heat pump can continue to make a significant contribution to heating, but supplemental heating will be needed to make up the difference.\u003c\/p\u003e\n\u003ch3\u003eCOP 2.12 at -8 °C and COP 1.47 at -30 °C\u003c\/h3\u003e\n\u003cp\u003eThe COP helps provide a better understanding of what happens with energy consumption.\u003c\/p\u003e\n\u003cp\u003eA \u003cstrong\u003eCOP of 2.12\u003c\/strong\u003e indicates that under the corresponding conditions, the system provides approximately 2.12 units of heat for every unit of electricity consumed.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e-30°C\u003c\/strong\u003e, the published maximum COP drops to \u003cstrong\u003e1.47\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe heat pump therefore still has an advantage over electric resistance heating under these conditions, but that advantage is significantly smaller than when the outdoor temperature is less extreme.\u003c\/p\u003e\n\u003cp\u003eThis detail is important for homeowners in \u003cstrong\u003eLaval, Longueuil, Terrebonne, Boucherville, Blainville, or Montreal\u003c\/strong\u003e who want to estimate heating savings. Annual savings must be assessed over an entire season, not only on the coldest days.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR cold climate and listed rebate of $4,560\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen data sheet identifies this combination as \u003cstrong\u003eENERGY STAR cold climate\u003c\/strong\u003e with the number \u003cstrong\u003e3630064\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt also indicates a provincial rebate of \u003cstrong\u003e4 560 $\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSince the capacity at -8°C published on the data sheet is \u003cstrong\u003e38,000 BTU\/h\u003c\/strong\u003e, this value becomes particularly important when calculating certain financial incentives based on low-temperature performance.\u003c\/p\u003e\n\u003cp\u003eFor a five-zone system, however, the certified combination actually installed must be verified. The same outdoor unit may accept several indoor-unit assemblies, and we never assume that all combinations automatically produce the same certification.\u003c\/p\u003e\n\u003ch3\u003eThe role of AHRI number 215735317\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen data sheet associates this configuration with \u003cstrong\u003eAHRI number 215735317\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis is more precise than the general description “Senville 36,000 BTU.”\u003c\/p\u003e\n\u003cp\u003eFor a project involving five indoor units, we always want to match:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe outdoor unit;\u003c\/li\u003e\n\u003cli\u003ethe five indoor units;\u003c\/li\u003e\n\u003cli\u003ethe AHRI combination;\u003c\/li\u003e\n\u003cli\u003elow-temperature performance;\u003c\/li\u003e\n\u003cli\u003eeligibility for the rebate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is a particularly important precaution with a multi-zone system, because a single outdoor unit may serve several different configurations.\u003c\/p\u003e\n\u003ch2\u003eInstalling five zones correctly: where HVAC expertise becomes decisive\u003c\/h2\u003e\n\u003ch3\u003eThe first challenge is deciding where the five zones begin and end.\u003c\/h3\u003e\n\u003cp\u003eFive rooms do not necessarily correspond to five ideal zones.\u003c\/p\u003e\n\u003cp\u003eIn an open-concept home, the kitchen, dining room, and living room may behave as one large thermal zone.\u003c\/p\u003e\n\u003cp\u003eConversely, two bedrooms of the same size can have very different loads if one faces due south and the other due north.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we therefore aim to distribute the units according to the property's actual thermal behavior.\u003c\/p\u003e\n\u003cp\u003eA representative configuration could be:\u003c\/p\u003e\n\u003ch4\u003eZone 1: main living area\u003c\/h4\u003e\n\u003cp\u003eHigher-capacity unit for the living room, kitchen, and dining room.\u003c\/p\u003e\n\u003ch4\u003eZone 2: primary bedroom\u003c\/h4\u003e\n\u003cp\u003eIndependent control to maintain a different temperature at night.\u003c\/p\u003e\n\u003ch4\u003eZone 3: second bedroom\u003c\/h4\u003e\n\u003cp\u003eUnit sized for a lower load.\u003c\/p\u003e\n\u003ch4\u003eZone 4: office or third bedroom\u003c\/h4\u003e\n\u003cp\u003eIndependent control, particularly useful when this room is not used every day.\u003c\/p\u003e\n\u003ch4\u003eZone 5: basement\u003c\/h4\u003e\n\u003cp\u003eA zone that is often cooler in summer and has heating requirements that differ significantly from those of the upper floor.\u003c\/p\u003e\n\u003cp\u003eThis distribution is not a universal prescription. It mainly illustrates why a \u003cstrong\u003e5-zone installation\u003c\/strong\u003e requires more design work than a simple wall-mounted heat pump.\u003c\/p\u003e\n\u003ch3\u003e125 feet of precharge: an important figure when connecting five indoor units\u003c\/h3\u003e\n\u003cp\u003eThe system uses \u003cstrong\u003eR-454B\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe technical specifications indicate a charge of \u003cstrong\u003e134.04 oz of R-454B\u003c\/strong\u003e and a stated precharge for \u003cstrong\u003e125 ft\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis length becomes particularly relevant in a five-zone installation.\u003c\/p\u003e\n\u003cp\u003eSuppose the routes are approximately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e15 ft;\u003c\/li\u003e\n\u003cli\u003e20 ft;\u003c\/li\u003e\n\u003cli\u003e25 ft;\u003c\/li\u003e\n\u003cli\u003e30 ft;\u003c\/li\u003e\n\u003cli\u003e35 ft.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe total already reaches \u003cstrong\u003e125 ft\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith five units, we must therefore plan the routes before choosing the outdoor unit's final location.\u003c\/p\u003e\n\u003cp\u003eA compressor positioned solely because it is not visible from the street may sometimes require adding dozens of feet of unnecessary piping.\u003c\/p\u003e\n\u003ch3\u003eThe 1\/4 – 1\/2 in piping specification should not be applied blindly to all five zones\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specifications indicate \u003cstrong\u003e1\/4 in – 1\/2 in\u003c\/strong\u003e piping.\u003c\/p\u003e\n\u003cp\u003eIn a multi-zone installation, pipe sizes may depend on the capacity and exact model of each indoor unit.\u003c\/p\u003e\n\u003cp\u003eWe therefore do not assume that all five indoor units necessarily use the same diameters.\u003c\/p\u003e\n\u003cp\u003eEach connection must be checked before preparing the job site.\u003c\/p\u003e\n\u003ch3\u003eThe drains become five separate projects\u003c\/h3\u003e\n\u003cp\u003eThis is an aspect that is often underestimated.\u003c\/p\u003e\n\u003cp\u003eA five-zone heat pump means up to five units that can produce condensate in cooling mode.\u003c\/p\u003e\n\u003cp\u003eEach indoor unit must have:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea properly sized drain;\u003c\/li\u003e\n\u003cli\u003ean adequate slope when drainage relies on gravity;\u003c\/li\u003e\n\u003cli\u003ean accessible route;\u003c\/li\u003e\n\u003cli\u003ebackflow protection;\u003c\/li\u003e\n\u003cli\u003ea suitable strategy when gravity drainage is not possible.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn some installations in \u003cstrong\u003eMontreal and Longueuil\u003c\/strong\u003e, drainage issues are more significant than refrigerant piping issues, particularly when several units must be installed on interior walls.\u003c\/p\u003e\n\u003cp\u003eA condensate pump may sometimes be necessary, but we generally favor gravity drainage when the configuration allows it.\u003c\/p\u003e\n\u003ch3\u003eThe outdoor unit is substantial: 211.86 lb\u003c\/h3\u003e\n\u003cp\u003eThe SENA-36HF-MOA measures approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e38.58 in × 16.34 in × 38.39 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eand its stated net weight is \u003cstrong\u003e211.86 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe are well beyond the weight of a small single-zone unit.\u003c\/p\u003e\n\u003cp\u003eThe support must be selected accordingly.\u003c\/p\u003e\n\u003cp\u003eIn Quebec, you must also take into account:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003esnow accumulation;\u003c\/li\u003e\n\u003cli\u003eice created by defrosting;\u003c\/li\u003e\n\u003cli\u003evibrations;\u003c\/li\u003e\n\u003cli\u003ewall or ground stability;\u003c\/li\u003e\n\u003cli\u003eaccess for servicing;\u003c\/li\u003e\n\u003cli\u003ethe required clearances around the outdoor unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy we avoid installing it too close to the ground\u003c\/h3\u003e\n\u003cp\u003eA heat pump capable of operating down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e must physically be able to breathe when it snows.\u003c\/p\u003e\n\u003cp\u003eIf the outdoor unit is blocked by 30 or 40 cm of snow, the low-temperature certification does nothing to solve the problem.\u003c\/p\u003e\n\u003cp\u003eWe therefore plan for an elevation suited to the site.\u003c\/p\u003e\n\u003cp\u003eDuring defrosting, the outdoor unit also produces water. This water can freeze beneath the unit and gradually form a significant buildup of ice.\u003c\/p\u003e\n\u003cp\u003eThe space beneath the unit must be planned with this reality in mind.\u003c\/p\u003e\n\u003ch3\u003e3,037 CFM: the outdoor unit moves a lot of air\u003c\/h3\u003e\n\u003cp\u003eThe technical table indicates a maximum outdoor airflow of \u003cstrong\u003e3,037.2 CFM\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis figure explains why we leave sufficient space around the unit.\u003c\/p\u003e\n\u003cp\u003eAn outdoor unit enclosed between several walls or installed beneath an overly restrictive structure may reabsorb air that has already been discharged.\u003c\/p\u003e\n\u003cp\u003eA 36,000 BTU multizone heat pump needs a location that allows genuine airflow, not merely enough space to physically fit the unit.\u003c\/p\u003e\n\u003ch3\u003e65 dB(A): the choice of exterior wall deserves attention\u003c\/h3\u003e\n\u003cp\u003eThe indicated outdoor sound level is \u003cstrong\u003e65 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOn a detached property with plenty of land, this often offers several placement options.\u003c\/p\u003e\n\u003cp\u003eIn a duplex in \u003cstrong\u003eMontréal\u003c\/strong\u003e or a home close to its neighbors in \u003cstrong\u003eLaval or Longueuil\u003c\/strong\u003e, we need to pay greater attention to windows, terraces, and surfaces that reflect sound.\u003c\/p\u003e\n\u003cp\u003ePlacing the outdoor unit in a narrow corridor between two buildings can result in a very different perception of sound from that experienced in an open area.\u003c\/p\u003e\n\u003ch3\u003eMCA 37 A and MOP 40 A\u003c\/h3\u003e\n\u003cp\u003eThe unit operates at \u003cstrong\u003e208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe documentation states:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMCA: 37 A\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMOP: 40 A\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThese values are used to design the unit's electrical circuit.\u003c\/p\u003e\n\u003cp\u003eA circuit breaker should not be selected by making an approximate calculation based on the 36,000 BTU rating. The electrical specifications on the nameplate and in the model documentation are the references to follow.\u003c\/p\u003e\n\u003ch3\u003eWiFi makes perfect sense with five zones\u003c\/h3\u003e\n\u003cp\u003eRemote control may seem secondary on a single-zone heat pump. With five indoor units, it becomes much more practical.\u003c\/p\u003e\n\u003cp\u003eThe documentation highlights \u003cstrong\u003esmart app control and Alexa integration\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA family can adjust different rooms without walking throughout the house with five remote controls.\u003c\/p\u003e\n\u003cp\u003eThis also makes it possible to program a rarely used bedroom differently from the living room or office.\u003c\/p\u003e\n\u003cp\u003eHowever, WiFi should not be considered a substitute for properly selecting capacities. An improperly sized head will remain improperly sized even with an excellent app.\u003c\/p\u003e\n\u003ch3\u003eLeak detection and self-diagnostics\u003c\/h3\u003e\n\u003cp\u003eSenville also indicates monitoring and \u003cstrong\u003eproblem-detection functions, including certain refrigerant-related anomalies\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOn a five-zone system, this feature can facilitate the initial diagnostic step.\u003c\/p\u003e\n\u003cp\u003eBut when only one zone is no longer heating properly, several causes are possible:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eclogged filter;\u003c\/li\u003e\n\u003cli\u003edirty heat exchanger;\u003c\/li\u003e\n\u003cli\u003edrain problem;\u003c\/li\u003e\n\u003cli\u003eindoor fan;\u003c\/li\u003e\n\u003cli\u003ecommunication;\u003c\/li\u003e\n\u003cli\u003esensor;\u003c\/li\u003e\n\u003cli\u003erefrigerant charge;\u003c\/li\u003e\n\u003cli\u003econfiguration problem.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe system must therefore be diagnosed as a whole rather than automatically replacing a part on the unit that appears to be causing the problem.\u003c\/p\u003e\n\u003ch3\u003eFive zones also mean five units to maintain\u003c\/h3\u003e\n\u003cp\u003eThe added comfort comes with more maintenance points.\u003c\/p\u003e\n\u003cp\u003eA 5-zone configuration includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003efive filters or filter assemblies;\u003c\/li\u003e\n\u003cli\u003efive indoor heat exchangers;\u003c\/li\u003e\n\u003cli\u003efive fans;\u003c\/li\u003e\n\u003cli\u003efive drains;\u003c\/li\u003e\n\u003cli\u003efive louver assemblies;\u003c\/li\u003e\n\u003cli\u003eseveral additional refrigerant connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA bedroom unit may remain relatively clean while a head located in an open kitchen accumulates dust and contaminants much more quickly.\u003c\/p\u003e\n\u003cp\u003eWe therefore recommend \u003cstrong\u003eHVAC maintenance tailored to each zone\u003c\/strong\u003e rather than an approach in which all units are automatically cleaned at the same interval.\u003c\/p\u003e\n\u003ch3\u003eWarranty: a documentation discrepancy to verify\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specification sheet indicates a manufacturer’s warranty \u003cstrong\u003e10-10-0\u003c\/strong\u003e with an additional warranty possibly available.\u003c\/p\u003e\n\u003cp\u003eHowever, the attached Senville brochure indicates \u003cstrong\u003e10 years on the compressor and 5 years on parts\u003c\/strong\u003e. This information appears clearly in the technical table. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis difference must be confirmed at the time of sale based on the exact product, the installed combination, and the applicable registration requirements.\u003c\/p\u003e\n\u003cp\u003eWe prefer to flag this type of discrepancy rather than present a longer warranty without verifying the precise conditions.\u003c\/p\u003e\n\u003ch3\u003eWhen is a SENVILLE 5-zone 36,000 BTU particularly relevant?\u003c\/h3\u003e\n\u003cp\u003eWe mainly consider this configuration when the property has \u003cstrong\u003eseveral separate rooms\u003c\/strong\u003e and the owner wants to avoid installing multiple outdoor units.\u003c\/p\u003e\n\u003cp\u003eIt may be particularly suitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea large house with enclosed bedrooms;\u003c\/li\u003e\n\u003cli\u003ea two-story property with a basement;\u003c\/li\u003e\n\u003cli\u003efive areas requiring different settings;\u003c\/li\u003e\n\u003cli\u003ea multi-unit property where several spaces need to be conditioned;\u003c\/li\u003e\n\u003cli\u003ea house where the exterior aesthetics limit the number of units;\u003c\/li\u003e\n\u003cli\u003ea project seeking a \u003cstrong\u003ecold-climate ENERGY STAR\u003c\/strong\u003e heat pump;\u003c\/li\u003e\n\u003cli\u003ea property where operation down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConversely, it would be unnecessarily complex for a large open-concept area where one or two properly sized units are sufficient.\u003c\/p\u003e\n\u003ch3\u003eThe main pitfall: wanting to use all five ports simply because they are available\u003c\/h3\u003e\n\u003cp\u003eThe fact that the outdoor unit supports up to five zones does not mean that five units are always the best solution.\u003c\/p\u003e\n\u003cp\u003eWe do not recommend adding a head unit to a room that does not genuinely need one simply to “use all the ports.”\u003c\/p\u003e\n\u003cp\u003eEach additional unit adds:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003epiping;\u003c\/li\u003e\n\u003cli\u003ea drain;\u003c\/li\u003e\n\u003cli\u003ewiring;\u003c\/li\u003e\n\u003cli\u003emaintenance;\u003c\/li\u003e\n\u003cli\u003econnections;\u003c\/li\u003e\n\u003cli\u003ea potential load on the system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA good 5-zone installation is therefore one where \u003cstrong\u003eall five zones are genuinely justified\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhy AirGreen Pays So Much Attention to Design Before Installation\u003c\/h3\u003e\n\u003cp\u003eWith five zones, a poor choice made at the beginning of the project is repeated several times.\u003c\/p\u003e\n\u003cp\u003eA poorly positioned outdoor unit can lengthen five line-set runs. Poor head-unit selection can affect five spaces. A poor drainage plan can create several points of risk.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e, we therefore verify the overall configuration before starting the work.\u003c\/p\u003e\n\u003cp\u003eWe analyze, among other things, the loads in the different zones, the unit locations, piping routes, electrical capacity, drainage, the outdoor unit’s position, and the certified combination.\u003c\/p\u003e\n\u003cp\u003eThis preparation is what allows a multi-zone heat pump to operate as a coherent system rather than as five appliances simply connected to the same compressor.\u003c\/p\u003e\n\u003ch2\u003eA particularly comprehensive solution for a home divided into several areas\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE SENA-36HF-MOA R454B 36,000 BTU\u003c\/strong\u003e offers a highly relevant technical profile for a five-zone configuration: \u003cstrong\u003eSEER2 23, EER2 13, HSPF2 10.7, heating down to -30°C, modulation up to 44,000 BTU\/h in heating mode, ENERGY STAR Cold Climate, and WiFi\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBut with an installation this complex, the quality of the result depends more on the design than on the number of features listed on the specification sheet.\u003c\/p\u003e\n\u003cp\u003eA good installation must intelligently distribute capacity among the five areas, keep line-set runs reasonable, ensure drainage for each unit, and maintain the required clearances around the outdoor unit.\u003c\/p\u003e\n\u003cp\u003eFor a property in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, the South Shore, or Montérégie\u003c\/strong\u003e, this configuration can offer a very appealing level of control while limiting the exterior façade to a single outdoor unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact AirGreen for a quote on your SENVILLE 5-zone, 36,000 BTU heat pump. Before installation, we can verify the required capacity in each of the five zones, the AHRI combination, the locations, the electrical circuit, the refrigerant lines, and the applicable rebate.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56120040194340,"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_5_ZONES_SENVILLE_R454B_36000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1789057869","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-5-zones-senville-r454b-36000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}