{"product_id":"thermopompe-4-zones-senville-r454b-48000-btu","title":"SENVILLE R454B 4-Zone Heat Pump | 48000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eFour separately controlled spaces with a single condenser: a multi-zone solution designed for homes where air distribution matters just as much as BTUs\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE R454B 4-Zone Heat Pump | 48000 BTU\u003c\/strong\u003e addresses a very practical problem we encounter at AirGreen in homes, condos, multiplexes, and small commercial buildings in \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, and the North Shore\u003c\/strong\u003e: how can several enclosed rooms be heated and cooled without installing four outdoor units around the building?\u003c\/p\u003e\n\u003cp\u003eWith a Quad-Zone configuration, a single outdoor condenser serves \u003cstrong\u003efour separately controllable indoor units\u003c\/strong\u003e. Senville officially markets its 48,000 BTU platform in a Quad-Zone version under the SENA\/48HF\/Q family. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe heart of the system is the \u003cstrong\u003eSENA-48HF-MOA\u003c\/strong\u003e outdoor unit, operating with \u003cstrong\u003eR454B\u003c\/strong\u003e. This platform is particularly flexible: the accompanying documentation indicates that it can support \u003cstrong\u003e2 to 6 zones\u003c\/strong\u003e, depending on the selected matching system. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor the matched system we are discussing here, the reference to retain is \u003cstrong\u003eAHRI 215735320\u003c\/strong\u003e. The certified data associated with this number includes \u003cstrong\u003e23 SEER2\u003c\/strong\u003e, \u003cstrong\u003e12 EER2\u003c\/strong\u003e, \u003cstrong\u003e11 HSPF2\u003c\/strong\u003e, a rated cooling capacity of \u003cstrong\u003e47,000 BTU\/h\u003c\/strong\u003e, and a rated heating capacity of \u003cstrong\u003e49,000 BTU\/h\u003c\/strong\u003e. The unit is also listed as a \u003cstrong\u003ecold-climate\u003c\/strong\u003e heat pump. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt is therefore useful to immediately understand one distinction: \u003cstrong\u003e48,000 BTU is the system’s commercial class\u003c\/strong\u003e, while the certified capacity of the matched system may be slightly different. At AirGreen, we always rely on the exact AHRI number when comparing models or confirming a rebate.\u003c\/p\u003e\n\u003ch3\u003eThe main features of the SENVILLE 4-Zone 48,000 BTU system\u003c\/h3\u003e\n\u003cp\u003eFor this configuration, the key data includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: SENA-48HF-MOA\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eConfiguration: 4 zones\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAHRI: 215735320\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCommercial class: 48,000 BTU\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCertified cooling capacity: 47,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated heating capacity: 49,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2: 23.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2: 12.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2: 11.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCapacity at -8 °C: 45,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCapacity at -15 °C: 47,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum rated capacity at -30 °C: approximately 24,600 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCOP at -8 °C: approximately 2.6\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum COP at -30 °C: approximately 1.27\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMinimum operating temperature in heating mode: -30 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R454B\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 ID: 3630067\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWi-Fi: included\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\u003eMCA: 37 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum protection: 40 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor sound level: approximately 65 dB(A)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum outdoor airflow: approximately 4,503 CFM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAirGreen warranty listed: 10-10-0, with additional protection available\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SENA-48HF-MOA brochure confirms \u003cstrong\u003e23 SEER2\u003c\/strong\u003e, a 208\/230 V power supply, and a voltage range of 187 to 253 V. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eA modulation range extending well beyond a simple 48,000 BTU figure\u003c\/h3\u003e\n\u003cp\u003eInverter technology is particularly important in a four-zone heat pump.\u003c\/p\u003e\n\u003cp\u003eThe condenser documentation specifies an approximate cooling range of \u003cstrong\u003e12,000 to 57,000 BTU\/h\u003c\/strong\u003e and a heating range of \u003cstrong\u003e13,000 to 57,000 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis means the system is not destined to operate continuously at its maximum capacity.\u003c\/p\u003e\n\u003cp\u003eImagine a South Shore home equipped with four heads:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eone in the living room;\u003c\/li\u003e\n\u003cli\u003eone in the primary bedroom;\u003c\/li\u003e\n\u003cli\u003eone in an office;\u003c\/li\u003e\n\u003cli\u003eone in a second bedroom.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAt 2 p.m. in summer, the south-facing living room may require substantial cooling, while the bedrooms are already cool. At 11 p.m., the situation may be reversed: the living room barely needs cooling, while the bedrooms are occupied.\u003c\/p\u003e\n\u003cp\u003eThe compressor can adjust its output to meet the overall demand.\u003c\/p\u003e\n\u003cp\u003eThis modulation allows the system to better manage a home whose different rooms never have exactly the same heating load at the same time.\u003c\/p\u003e\n\u003ch3\u003eFour zones do not mean four compressors\u003c\/h3\u003e\n\u003cp\u003eThis is probably the most important point to understand before purchasing a \u003cstrong\u003e4-Zone heat pump\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eEach indoor unit can be controlled separately, but the four heads share:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe same compressor;\u003c\/li\u003e\n\u003cli\u003ethe same outdoor unit;\u003c\/li\u003e\n\u003cli\u003ea shared total capacity;\u003c\/li\u003e\n\u003cli\u003ethe same main operating mode for the refrigeration circuit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOccupants can therefore set different temperatures from one room to another, but they should not think of four completely independent heat pumps.\u003c\/p\u003e\n\u003cp\u003eIf all four zones require substantial heating at the same time, the condenser must distribute its available capacity among them.\u003c\/p\u003e\n\u003cp\u003eThat is why we size \u003cstrong\u003eeach room and the entire building\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eA four-zone 12,000 BTU configuration is possible, but the exact pairing must be confirmed\u003c\/h3\u003e\n\u003cp\u003eSenville commercially offers the 48,000 BTU Quad-Zone version with configurations including \u003cstrong\u003efour 12,000 BTU units\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThat does not necessarily mean that a 12,000 BTU head is needed in every room.\u003c\/p\u003e\n\u003cp\u003eIn a real property, we may have very different needs:\u003c\/p\u003e\n\u003cp\u003eA compact bedroom may require much less capacity than a large living room with extensive glazing, while a sunny attic office may have a higher load than its area would suggest.\u003c\/p\u003e\n\u003cp\u003eThe possible combinations must therefore be validated according to the indoor units compatible with Senville and, above all, according to the \u003cstrong\u003eAHRI pairing\u003c\/strong\u003e that we want to retain.\u003c\/p\u003e\n\u003ch3\u003e23 SEER2 on a system of this capacity: notable efficiency\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003eSEER2 of 23\u003c\/strong\u003e is particularly appealing on a multizone platform capable of serving four rooms.\u003c\/p\u003e\n\u003cp\u003eThe ENERGY STAR database associated with \u003cstrong\u003eSENA-48HF-MOA \/ AHRI 215735320\u003c\/strong\u003e also confirms:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e23 SEER2;\u003c\/li\u003e\n\u003cli\u003e12 EER2;\u003c\/li\u003e\n\u003cli\u003e11 HSPF2;\u003c\/li\u003e\n\u003cli\u003econtinuously variable compressor;\u003c\/li\u003e\n\u003cli\u003eR454B;\u003c\/li\u003e\n\u003cli\u003ecold-climate certification. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis efficiency does not mean that every home will achieve the same annual savings.\u003c\/p\u003e\n\u003cp\u003eActual consumption depends on the quality of the building, the use of the four zones, the setpoint temperature, and the proportion of electric heating that the heat pump actually manages to replace.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we therefore consider SEER2 a \u003cstrong\u003ecomparative indicator\u003c\/strong\u003e, not a promise about an electricity bill.\u003c\/p\u003e\n\u003ch3\u003e45,000 BTU at -8 °C: a much more useful figure than simply “heats down to -30”\u003c\/h3\u003e\n\u003cp\u003eFor a heat pump used in Quebec, we place great importance on the capacity available at low temperatures.\u003c\/p\u003e\n\u003cp\u003eThe listed pairing indicates approximately \u003cstrong\u003e45,000 BTU\/h of heating at -8 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe certification database also reports approximately \u003cstrong\u003e47,000 BTU\/h at -15 °C\u003c\/strong\u003e for this configuration, with a certified COP close to 2 at this operating point. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis capacity matters because -8 °C to -15 °C corresponds to a temperature range in which a heat pump in Quebec can accumulate a great many operating hours over the course of a winter.\u003c\/p\u003e\n\u003cp\u003eFor a homeowner in \u003cstrong\u003eMontreal, Laval, or Longueuil\u003c\/strong\u003e, the potential for savings is therefore not limited to the two or three coldest nights of January. It depends mainly on what the unit can produce throughout the season.\u003c\/p\u003e\n\u003ch3\u003eHeating down to -30 °C: what it really means\u003c\/h3\u003e\n\u003cp\u003eSenville advertises heating down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e, a figure also listed in the SENA-48HF-MOA brochure. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt this temperature, however, it is necessary to distinguish between \u003cstrong\u003eoperating capacity\u003c\/strong\u003e and \u003cstrong\u003enominal capacity\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAirGreen data associated with the model indicate a maximum capacity of approximately \u003cstrong\u003e24,600 BTU\/h at -30 °C\u003c\/strong\u003e, with a COP of approximately \u003cstrong\u003e1.27\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIn other words, the heat pump continues to provide heat when the mercury reaches -30 °C, but it no longer provides the approximately 47,000 to 49,000 BTU available under less severe conditions.\u003c\/p\u003e\n\u003cp\u003eIn a large house requiring 45,000 BTU\/h of heating at -30 °C, a supplemental heat source will therefore remain necessary.\u003c\/p\u003e\n\u003cp\u003eIn a very well-insulated property with much lower heat losses, the heat pump's contribution can remain very significant.\u003c\/p\u003e\n\u003ch3\u003eCOP of 2.6 at -8 °C: why this figure deserves to be understood\u003c\/h3\u003e\n\u003cp\u003eA COP of \u003cstrong\u003e2,6\u003c\/strong\u003e means that under this operating condition, the system provides approximately 2.6 units of heat for one unit of electricity consumed by the heat pump.\u003c\/p\u003e\n\u003cp\u003eBy comparison, electric resistance heating operates essentially at a COP of 1.\u003c\/p\u003e\n\u003cp\u003eThe lower the outdoor temperature drops, the more a heat pump's COP generally tends to decrease.\u003c\/p\u003e\n\u003cp\u003eAt -30 °C, a value of approximately 1.27 means that the energy advantage over electric resistance becomes smaller, but theoretically remains present under the corresponding conditions.\u003c\/p\u003e\n\u003cp\u003eFor us, these figures are primarily used to determine \u003cstrong\u003ewhen to run the heat pump and when to plan for supplemental heat\u003c\/strong\u003e, rather than to assess the unit based on a single figure.\u003c\/p\u003e\n\u003ch3\u003eR454B and the new installation requirements\u003c\/h3\u003e\n\u003cp\u003eThis generation uses the \u003cstrong\u003eR454B\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe condenser brochure indicates a charge of approximately \u003cstrong\u003e151.68 oz\u003c\/strong\u003e and a precharge that may correspond to approximately \u003cstrong\u003e150 ft of piping\u003c\/strong\u003e for the published configuration. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOn a Quad-Zone system, this precharge capacity makes perfect sense: we can have four refrigerant lines running to four different parts of the building.\u003c\/p\u003e\n\u003cp\u003eHowever, “precharged for 150 ft” does not mean that four lines can be routed freely without taking the manufacturer's rules into account.\u003c\/p\u003e\n\u003cp\u003eWe must comply with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe maximum length of each branch;\u003c\/li\u003e\n\u003cli\u003ethe combined length;\u003c\/li\u003e\n\u003cli\u003ethe height differences;\u003c\/li\u003e\n\u003cli\u003ethe piping dimensions;\u003c\/li\u003e\n\u003cli\u003ethe additional charge required when the precharge limits are exceeded;\u003c\/li\u003e\n\u003cli\u003ethe permitted combinations of indoor units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe R454B is also an A2L-class refrigerant. Senville documentation highlights \u003cstrong\u003ediagnostic and leak detection\u003c\/strong\u003e features on this generation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis makes the quality of the connections, leak testing, and commissioning even more important.\u003c\/p\u003e\n\u003ch3\u003eA platform capable of supporting 2 to 6 zones: useful, but the correct matching must be maintained\u003c\/h3\u003e\n\u003cp\u003eThe technical documentation explicitly states that the \u003cstrong\u003eSENA-48HF-MOA can support 2 to 6 zones\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt is a very flexible platform.\u003c\/p\u003e\n\u003cp\u003eSenville also markets the same condenser in different versions: Dual-Zone, Quad-Zone, and Five-Zone. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHowever, this does not mean that we can turn a Quad-Zone configuration into a Five-Zone or Six-Zone system without verifying the consequences.\u003c\/p\u003e\n\u003cp\u003eAdding an indoor unit can change:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003econnected capacity;\u003c\/li\u003e\n\u003cli\u003ecertified efficiency;\u003c\/li\u003e\n\u003cli\u003eAHRI;\u003c\/li\u003e\n\u003cli\u003ethe size of each indoor unit;\u003c\/li\u003e\n\u003cli\u003eeligibility for financial assistance;\u003c\/li\u003e\n\u003cli\u003ethe system's behavior when multiple zones demand capacity simultaneously.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor the customer, the outdoor unit number is therefore only part of the information. \u003cstrong\u003eThe complete matching is the real HVAC product.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eA Quad-Zone installation requires four times as much interior planning, not simply four times as many pipes\u003c\/h2\u003e\n\u003ch3\u003eAn AirGreen project in Verdun that perfectly illustrates the challenge\u003c\/h3\u003e\n\u003cp\u003eWe recently completed a \u003cstrong\u003eQuad-Zone installation in Verdun, Montreal\u003c\/strong\u003e at AirGreen, with four wall-mounted units connected to a single condenser.\u003c\/p\u003e\n\u003cp\u003eThe work took place in a unit undergoing renovations, where we had to work around tight spaces, windows close to the installation areas, and the need to keep the line route clean and discreet. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is precisely the type of building where a four-zone solution is worthwhile.\u003c\/p\u003e\n\u003cp\u003eA single large unit in a hallway could have provided plenty of BTUs without actually treating four enclosed rooms properly.\u003c\/p\u003e\n\u003cp\u003eWith four indoor units, each space receives its heating and cooling directly.\u003c\/p\u003e\n\u003ch3\u003eIn Ville-Marie and Old Montreal, the number of zones is not the only challenge\u003c\/h3\u003e\n\u003cp\u003eOur Quad-Zone installations in \u003cstrong\u003eVille-Marie\u003c\/strong\u003e and the \u003cstrong\u003eOld Port of Montreal\u003c\/strong\u003e have also exposed us to the typical realities of urban buildings: uneven walls, limited space, architectural constraints, and the need to conceal the lines without compromising access to the equipment. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn a newer home on the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e, we can sometimes run each line almost directly outside.\u003c\/p\u003e\n\u003cp\u003eIn a Montreal condo, the first indoor unit may be only a few feet from the condenser, while the fourth requires a completely different route.\u003c\/p\u003e\n\u003cp\u003eThat is why two projects using exactly the same Senville heat pump may require very different amounts of work.\u003c\/p\u003e\n\u003ch3\u003eThe four drains deserve as much attention as the four refrigerant lines\u003c\/h3\u003e\n\u003cp\u003eEach indoor unit produces condensation in cooling mode.\u003c\/p\u003e\n\u003cp\u003eThis potentially means \u003cstrong\u003efour drains to manage\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWe prefer to use gravity when the building configuration allows it. When this is not possible, a condensate pump may become necessary.\u003c\/p\u003e\n\u003cp\u003eAn incorrect slope on a single drain can cause:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ewater noises;\u003c\/li\u003e\n\u003cli\u003ea leak;\u003c\/li\u003e\n\u003cli\u003ewater accumulating in the drain pan;\u003c\/li\u003e\n\u003cli\u003ewater infiltration into the wall;\u003c\/li\u003e\n\u003cli\u003ean avoidable service call.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a four-zone project, repeating the components also multiplies the possibilities for error.\u003c\/p\u003e\n\u003ch3\u003eThe piping must match the installed head\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specification sheet indicates \u003cstrong\u003e3\/8 in – 5\/8 in\u003c\/strong\u003e in the general data associated with the configuration, but with a multi-zone heat pump it is essential to verify the required sizes \u003cstrong\u003efor each indoor unit actually selected\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eA 9,000- or 12,000-BTU head does not necessarily have the same connections as a 24,000-BTU unit.\u003c\/p\u003e\n\u003cp\u003eTherefore, we never select the piping solely based on the condenser’s total capacity.\u003c\/p\u003e\n\u003cp\u003eThe final pairing manual remains the reference.\u003c\/p\u003e\n\u003ch3\u003eA condenser weighing nearly 250 lb: the support must be taken seriously\u003c\/h3\u003e\n\u003cp\u003eThe brochure specifies the following for the SENA-48HF-MOA:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e37.48 × 16.34 × 52.48 in\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eweight of approximately \u003cstrong\u003e246.47 lb\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eoutdoor sound level of approximately \u003cstrong\u003e65 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is not a small outdoor wall-mounted unit.\u003c\/p\u003e\n\u003cp\u003eIn Greater Montreal, we must anticipate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003esnow;\u003c\/li\u003e\n\u003cli\u003eice;\u003c\/li\u003e\n\u003cli\u003edefrosting;\u003c\/li\u003e\n\u003cli\u003eweight;\u003c\/li\u003e\n\u003cli\u003evibrations;\u003c\/li\u003e\n\u003cli\u003esupport stability;\u003c\/li\u003e\n\u003cli\u003efuture access to the service panels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf the condenser is placed directly beneath a roof downspout, ice-related problems can become significant.\u003c\/p\u003e\n\u003cp\u003eIf it is installed too low, snow may reduce airflow.\u003c\/p\u003e\n\u003cp\u003eIf it is mounted on a lightweight structure, vibrations may be transmitted to the building.\u003c\/p\u003e\n\u003ch3\u003e65 dB(A): the outdoor location must also respect the neighbors\u003c\/h3\u003e\n\u003cp\u003eAn outdoor sound level of \u003cstrong\u003e65 dB(A)\u003c\/strong\u003e warrants serious consideration, particularly in densely populated areas of Montreal.\u003c\/p\u003e\n\u003cp\u003eInstalling the unit directly beneath the homeowner’s bedroom window or near the neighbor’s is not our first choice when a realistic alternative exists.\u003c\/p\u003e\n\u003cp\u003eWe also consider how sound can be reflected between two closely spaced walls.\u003c\/p\u003e\n\u003cp\u003eOn the \u003cstrong\u003eNorth Shore or South Shore\u003c\/strong\u003e, a larger property sometimes provides more flexibility. In a Montreal plex, every available foot can matter.\u003c\/p\u003e\n\u003ch3\u003e37 A MCA, 40 A maximum protection\u003c\/h3\u003e\n\u003cp\u003eThe brochure confirms a \u003cstrong\u003eminimum circuit ampacity of 37 A\u003c\/strong\u003e and a maximum protection of \u003cstrong\u003e40 A\u003c\/strong\u003e for the outdoor unit. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe system operates at \u003cstrong\u003e208\/230 V single-phase\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBefore installation, we therefore check the panel’s capacity, the available space, and the electrical routing.\u003c\/p\u003e\n\u003cp\u003eThis check must be carried out before the installation date, particularly in older plexes in \u003cstrong\u003eMontreal and Longueuil\u003c\/strong\u003e, where an electrical panel may already be heavily loaded.\u003c\/p\u003e\n\u003ch3\u003eWi-Fi and four-zone management\u003c\/h3\u003e\n\u003cp\u003eThe system offers Wi-Fi control, and Senville markets its Quad-Zone range as a solution that allows individual control of different rooms. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor four zones, this becomes genuinely practical.\u003c\/p\u003e\n\u003cp\u003eThe owner can, for example, maintain:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe living room at a more comfortable temperature during the evening;\u003c\/li\u003e\n\u003cli\u003ethe office slightly cooler when it is unoccupied;\u003c\/li\u003e\n\u003cli\u003ethe bedrooms at a different temperature during the night;\u003c\/li\u003e\n\u003cli\u003ea guest room with a lower setpoint when it is not in use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA multi-zone installation is therefore not simply a way to distribute BTUs. It also makes it possible to adapt comfort to the building’s actual use.\u003c\/p\u003e\n\u003ch3\u003eLogisVert: why the displayed amount is $5,400\u003c\/h3\u003e\n\u003cp\u003eThe capacity used in the AirGreen specifications is \u003cstrong\u003e45,000 BTU\/h at -8°C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eHydro-Québec’s LogisVert program currently offers \u003cstrong\u003e$120 per 1,000 BTU\/h at -8°C\u003c\/strong\u003e for an eligible heat pump, subject to the applicable conditions being met. \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\u003e45 × $120 = $5,400\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is exactly the amount of \u003cstrong\u003e5 400 $\u003c\/strong\u003e displayed for this heat pump.\u003c\/p\u003e\n\u003cp\u003eThe AHRI number \u003cstrong\u003e215735320\u003c\/strong\u003e is associated with an ENERGY STAR cold-climate heat pump, with a certified capacity of 45,000 BTU\/h at around -8°C. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHowever, you must always check the program \u003cstrong\u003eon the installation date\u003c\/strong\u003e. Hydro-Québec specifies that eligible models and amounts may change. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eA multi-unit residential building incentive can be even more substantial\u003c\/h3\u003e\n\u003cp\u003eFor certain \u003cstrong\u003eeligible multi-unit residential buildings\u003c\/strong\u003e, Hydro-Québec has offered, since June 15, 2026, an incentive increase bringing the rebate to \u003cstrong\u003e$220 per 1,000 BTU\/h at -8°C\u003c\/strong\u003e when all program requirements are met. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWith 45,000 BTU\/h at -8°C, the theoretical calculation is:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e45 × 220 $ = 9,900 $\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis amount is by no means automatic. The incentive is intended for multi-unit residential buildings meeting specific criteria and applies to ENERGY STAR – Cold Climate wall-mounted heat pumps installed in eligible dwelling units.\u003c\/p\u003e\n\u003cp\u003eFor this type of project, we verify the address, building type, and exact configuration before presenting an amount as applicable.\u003c\/p\u003e\n\u003ch3\u003eWarranty: there is a difference between the manufacturer’s brochure and the coverage displayed by AirGreen\u003c\/h3\u003e\n\u003cp\u003eThe attached brochure mentions a manufacturer’s warranty of \u003cstrong\u003e10 years on the compressor and 5 years on parts\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen specification sheet associated with the configuration, for its part, presents \u003cstrong\u003e10-10-0\u003c\/strong\u003e, with the possibility of an additional warranty.\u003c\/p\u003e\n\u003cp\u003eWe therefore have the \u003cstrong\u003efinal quote\u003c\/strong\u003e specify the coverage that actually applies to the project: the manufacturer program, registration requirements, and any additional protection offered.\u003c\/p\u003e\n\u003cp\u003eThe document provided to the customer is what should be relied upon, not an old brochure or a website specification consulted for another SENA-48HF-MOA combination.\u003c\/p\u003e\n\u003ch3\u003eThe mistakes we seek to avoid on a four-zone system\u003c\/h3\u003e\n\u003ch4\u003eInstalling four heads with the same capacity without calculating the requirements of all four rooms\u003c\/h4\u003e\n\u003cp\u003eA 150-square-foot bedroom and a 700-square-foot living room should not automatically receive the same capacity simply to simplify ordering.\u003c\/p\u003e\n\u003ch4\u003eInstalling a head in a hallway to serve two bedrooms\u003c\/h4\u003e\n\u003cp\u003eA heat pump heats and cools a space much more effectively when it blows directly into that space.\u003c\/p\u003e\n\u003ch4\u003eChoosing locations solely to reduce pipe length\u003c\/h4\u003e\n\u003cp\u003eA shorter refrigerant line is of little value if the unit blows air in the wrong direction all year round.\u003c\/p\u003e\n\u003ch4\u003eFailing to plan for future maintenance\u003c\/h4\u003e\n\u003cp\u003eWith four indoor units, we want to maintain access to the filters, drain, evaporator, and components.\u003c\/p\u003e\n\u003ch4\u003eForgetting that the four zones share a common capacity\u003c\/h4\u003e\n\u003cp\u003eIf all four rooms have a very high simultaneous load, condenser sizing becomes critical.\u003c\/p\u003e\n\u003ch4\u003eConfusing the Dual-Zone and Quad-Zone specifications\u003c\/h4\u003e\n\u003cp\u003eThe attached brochure shows a \u003cstrong\u003eDual-Zone 24,000 + 24,000 BTU\u003c\/strong\u003e version, but the SENA-48HF-MOA is also officially used in a Quad-Zone configuration. \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 exact AHRI number tells us which performance specifications we need to use.\u003c\/p\u003e\n\u003ch3\u003eFor what type of property is this SENVILLE Quad-Zone most relevant?\u003c\/h3\u003e\n\u003cp\u003eWe mainly consider it for buildings that have \u003cstrong\u003efour zones genuinely requiring their own air distribution\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis may include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003efour bedrooms;\u003c\/li\u003e\n\u003cli\u003ethree bedrooms and a living room;\u003c\/li\u003e\n\u003cli\u003etwo bedrooms, an office, and a living area;\u003c\/li\u003e\n\u003cli\u003etwo levels with several enclosed rooms;\u003c\/li\u003e\n\u003cli\u003ea large condo;\u003c\/li\u003e\n\u003cli\u003ea multiplex;\u003c\/li\u003e\n\u003cli\u003ea small business with several offices;\u003c\/li\u003e\n\u003cli\u003ea property where the number of outdoor units must be limited.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a very large, entirely open area, four heads would often be unnecessary.\u003c\/p\u003e\n\u003cp\u003eIn a residence with six or seven small enclosed rooms, we might instead consider another configuration.\u003c\/p\u003e\n\u003cp\u003eThe number of zones should follow the building’s layout, not just the desired total capacity.\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 coordination than a single-split system.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we must plan simultaneously:\u003c\/p\u003e\n\u003cp\u003ethe four indoor locations, the four drains, the refrigerant line routes, the outdoor line sets, the wiring, the outdoor unit, the electrical circuit, and the complete commissioning.\u003c\/p\u003e\n\u003cp\u003eOur experience with Quad-Zone installations in \u003cstrong\u003eVerdun, Ville-Marie, Rosemont–La Petite-Patrie, Montreal East, Plateau-Mont-Royal, and Pointe-Claire\u003c\/strong\u003e has allowed us to work in very different environments, from narrow urban apartments to homes where the four zones are located on multiple façades. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is precisely the type of project where preparation makes the difference.\u003c\/p\u003e\n\u003cp\u003eA Quad-Zone heat pump must do more than simply work on the day it is commissioned. It must remain easy to clean, accessible for repairs, visually unobtrusive, and capable of distributing the right amount of air to each of the four zones for many years.\u003c\/p\u003e\n\u003ch3\u003eRequest an AirGreen quote for the SENVILLE 4-Zone 48,000 BTU\u003c\/h3\u003e\n\u003cp\u003eFor a \u003cstrong\u003eSENVILLE R454B 4-Zone Heat Pump | 48000 BTU\u003c\/strong\u003e in \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, or the North Shore\u003c\/strong\u003e, contact AirGreen.\u003c\/p\u003e\n\u003cp\u003eWe can determine the required capacity in each of the four rooms, confirm compatible indoor units, validate AHRI match \u003cstrong\u003eAHRI 215735320\u003c\/strong\u003e, plan the refrigerant lines and drains, check the electrical panel, and confirm eligibility for the \u003cstrong\u003e$5,400 LogisVert grant\u003c\/strong\u003e according to the conditions in effect at the time of installation.\u003c\/p\u003e\n\u003cp\u003eOn a Quad-Zone system, the best result doesn’t come from using the highest possible BTU capacity. It comes from properly distributing the capacity among four spaces, each with its own needs.\u003c\/p\u003e","brand":"Senville","offers":[{"title":"12 + 12 + 12 + 12","offer_id":56201207677220,"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_48000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1789057863","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-4-zones-senville-r454b-48000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}