{"product_id":"thermopompe-4-zones-senville-r454b-36000-btu","title":"SENVILLE R454B 4-Zone Heat Pump | 36000 BTU","description":"\u003ch2\u003eA 36,000 BTU multi-zone solution for distributing comfort across four rooms without multiplying the number of outdoor units\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE R454B 36,000 BTU 4-Zone Heat Pump\u003c\/strong\u003e addresses a problem we regularly encounter at AirGreen in homes, condos, duplexes, and small buildings in \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, and the North Shore\u003c\/strong\u003e: several rooms need independent temperature control, but installing three or four outdoor units on the property would be cumbersome, unattractive, or simply impossible.\u003c\/p\u003e\n\u003cp\u003eThe heart of the system is the \u003cstrong\u003eSENA-36HF-MOA\u003c\/strong\u003e outdoor unit. Its technical specifications indicate that it can supply \u003cstrong\u003etwo to five zones\u003c\/strong\u003e, making it fully compatible with a project involving four indoor units when the selected combination complies with the manufacturer's limits. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis flexibility is particularly valuable in a home with multiple bedrooms, a floor divided into offices, a duplex where certain zones are difficult to balance, or a ground floor and upper floor with very different heating and cooling needs.\u003c\/p\u003e\n\u003cp\u003eInstead of trying to move air from a single wall-mounted head through doors, corridors, and stairways, we can distribute the available capacity directly where it is needed.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen configuration notably features:\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\u003eAHRI: 215735317\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated capacity: 36,000 BTU\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\u003eR-454B\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\u003eheating down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWi-Fi included\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003epower supply \u003cstrong\u003e220 V\u003c\/strong\u003e\n\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\u003eoutdoor sound level: \u003cstrong\u003e65 dB(A)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003emax outdoor airflow: approximately \u003cstrong\u003e3,038 CFM\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003edisplayed provincial rebate: \u003cstrong\u003e4 560 $\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe official brochure confirms that the SENA-36HF-MOA has a capacity of 36,000 BTU, a \u003cstrong\u003eSEER2 of 23\u003c\/strong\u003e, an \u003cstrong\u003eEER2 of 13\u003c\/strong\u003e, an \u003cstrong\u003eHSPF2 Region 4 of 10.7\u003c\/strong\u003e, a 208\/230 V power supply, and compatibility with \u003cstrong\u003e2 to 5 zones\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eThe brochure shows two zones, but the outdoor unit can support up to five.\u003c\/h3\u003e\n\u003cp\u003eThe first page of the documentation presents a commercial configuration in \u003cstrong\u003edual zone\u003c\/strong\u003e, with two 18,000 BTU indoor units. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis image can be confusing if you look only at the photo.\u003c\/p\u003e\n\u003cp\u003eThe most important information is found in the technical table: the \u003cstrong\u003eSENA-36HF-MOA\u003c\/strong\u003e outdoor model is designed for \u003cstrong\u003e2 to 5 zones\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis means that a four-zone system is entirely possible, but the compatible indoor units must be selected and the combinations approved by Senville must be followed.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we never design a multi-zone system by arbitrarily adding four heads.\u003c\/p\u003e\n\u003cp\u003eWe check:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe capacity required by each room;\u003c\/li\u003e\n\u003cli\u003ethe compatible indoor models;\u003c\/li\u003e\n\u003cli\u003ethe sum of the connected rated capacities;\u003c\/li\u003e\n\u003cli\u003ethe manufacturer’s combination limits;\u003c\/li\u003e\n\u003cli\u003epiping lengths;\u003c\/li\u003e\n\u003cli\u003ethe available capacity when multiple zones simultaneously require heating or cooling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e36,000 BTU does not mean 9,000 BTU guaranteed in each of the four rooms\u003c\/h3\u003e\n\u003cp\u003eThis is an essential point to understand before purchasing a \u003cstrong\u003efour-zone heat pump\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe system does not automatically divide 36,000 BTU into four fixed 9,000-BTU portions.\u003c\/p\u003e\n\u003cp\u003eCapacity is dynamically shared among the indoor units according to their demands.\u003c\/p\u003e\n\u003cp\u003eThe brochure states:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e36,000 BTU\/h of rated cooling capacity\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ecooling range of \u003cstrong\u003e9,000 to 43,000 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36,000 BTU\/h of rated heating capacity\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eheating range of \u003cstrong\u003e10,000 to 44,000 BTU\/h\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis modulation range allows the inverter compressor to adjust its output.\u003c\/p\u003e\n\u003cp\u003eIf only two small bedrooms need cooling, the system can operate at a lower capacity. If several zones require substantial heating at the same time, it increases its output within the available limits.\u003c\/p\u003e\n\u003cp\u003eThis is precisely the behavior that makes a multi-zone platform appealing.\u003c\/p\u003e\n\u003ch3\u003eA concrete example: four rooms that never have exactly the same needs\u003c\/h3\u003e\n\u003cp\u003eLet’s take a typical \u003cstrong\u003eSouth Shore\u003c\/strong\u003e home with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea primary bedroom on the second floor;\u003c\/li\u003e\n\u003cli\u003etwo secondary bedrooms;\u003c\/li\u003e\n\u003cli\u003ean office on the ground floor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe west-facing bedroom can become very hot around 4 p.m. in July, while the north-facing office remains relatively cool.\u003c\/p\u003e\n\u003cp\u003eIn the evening, the situation changes: the office is no longer in use, but the three bedrooms need to be comfortable for the night.\u003c\/p\u003e\n\u003cp\u003eA four-zone system concentrates capacity where it is actually needed rather than sending exactly the same amount of air everywhere.\u003c\/p\u003e\n\u003ch3\u003eWhy four zones can be more effective than one very large head\u003c\/h3\u003e\n\u003cp\u003eA common mistake is to believe that a high-capacity wall-mounted unit installed in a hallway can serve an entire floor.\u003c\/p\u003e\n\u003cp\u003eOn paper, the BTUs may seem sufficient.\u003c\/p\u003e\n\u003cp\u003eIn reality, doors and walls limit air circulation.\u003c\/p\u003e\n\u003cp\u003eA 24,000- or 36,000-BTU head can cool the hallway perfectly while leaving a closed bedroom too warm.\u003c\/p\u003e\n\u003cp\u003eWith four indoor units, the system directly serves the rooms.\u003c\/p\u003e\n\u003cp\u003eThis improves:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003edistribution;\u003c\/li\u003e\n\u003cli\u003etemperature precision;\u003c\/li\u003e\n\u003cli\u003enighttime comfort;\u003c\/li\u003e\n\u003cli\u003eflexibility of use;\u003c\/li\u003e\n\u003cli\u003eroom-by-room control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSEER2 of 23: highly attractive seasonal efficiency for a multi-zone system\u003c\/h3\u003e\n\u003cp\u003eThe brochure indicates a \u003cstrong\u003eSEER2 of 23\u003c\/strong\u003e and an \u003cstrong\u003eEER2 of 13\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a 36,000 BTU multizone heat pump, this efficiency level is particularly noteworthy.\u003c\/p\u003e\n\u003cp\u003eENERGY STAR certification is also indicated in the Senville presentation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA high SEER2 means that, over the entire cooling season, the unit can provide substantial cooling relative to the electrical energy consumed.\u003c\/p\u003e\n\u003cp\u003eHowever, this figure should not be turned into a promise about the electricity bill.\u003c\/p\u003e\n\u003cp\u003eActual consumption depends on:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003einsulation;\u003c\/li\u003e\n\u003cli\u003ewindow orientation;\u003c\/li\u003e\n\u003cli\u003ethe requested temperature;\u003c\/li\u003e\n\u003cli\u003ethe number of active zones;\u003c\/li\u003e\n\u003cli\u003eoccupancy habits;\u003c\/li\u003e\n\u003cli\u003eoutdoor conditions;\u003c\/li\u003e\n\u003cli\u003ethe quality of the installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHSPF2 of 10.7 and operation down to -30 °C\u003c\/h3\u003e\n\u003cp\u003eThe SENA-36HF-MOA belongs to the \u003cstrong\u003eCold Climate\u003c\/strong\u003e system category.\u003c\/p\u003e\n\u003cp\u003eThe brochure states that it provides heating down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e and describes this series as optimized for cold climates. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen specifications provide particularly interesting data at winter temperatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eapproximately \u003cstrong\u003e38,000 BTU\/h at -8 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eapproximately \u003cstrong\u003e36,000 BTU\/h at -15 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eup to \u003cstrong\u003e22,400 BTU\/h at -30 °C\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe stated COP is approximately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.12 at -8 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eapproximately \u003cstrong\u003e1.47 at -30 °C\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis information is more useful than simply stating “operates down to -30 °C.”\u003c\/p\u003e\n\u003cp\u003eAt -30 °C, the system continues to heat, but its available capacity is lower than when the outdoor temperature is higher.\u003c\/p\u003e\n\u003ch3\u003eWhy multizone heating must be calculated room by room\u003c\/h3\u003e\n\u003cp\u003eWith a four-zone system, we do not want to know only whether the outdoor unit can produce 22,400 BTU at -30 °C.\u003c\/p\u003e\n\u003cp\u003eWe need to determine how these BTUs will be distributed.\u003c\/p\u003e\n\u003cp\u003eIf all four rooms require substantial heating at the same time, the total available capacity must be shared.\u003c\/p\u003e\n\u003cp\u003eFor an older home in \u003cstrong\u003eMontreal\u003c\/strong\u003e, with less efficient windows and colder walls, this simultaneity can become important during severe cold.\u003c\/p\u003e\n\u003cp\u003eThat is why we assess the heat loss of each zone before recommending the indoor-unit combination.\u003c\/p\u003e\n\u003ch3\u003eThe major advantage of a four-zone system: individual room control\u003c\/h3\u003e\n\u003cp\u003eIn a family home, not all rooms should necessarily operate at the same temperature.\u003c\/p\u003e\n\u003cp\u003eA child's bedroom can be set differently from the office. A guest room can remain at a more economical setpoint when unused. A sun-exposed space may require more cooling than the others.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003efour-zone SENVILLE heat pump\u003c\/strong\u003e, each indoor unit has its own control.\u003c\/p\u003e\n\u003cp\u003eWi-Fi is included according to the AirGreen specifications, while the documentation describes integration with Alexa and the Senville app for scheduling and remote control. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis function becomes truly useful when several rooms need to be managed separately.\u003c\/p\u003e\n\u003ch3\u003eAn important limitation: the zones share the same general mode\u003c\/h3\u003e\n\u003cp\u003eA conventional residential multi-zone system shares the same outdoor unit.\u003c\/p\u003e\n\u003cp\u003eTherefore, one should not expect one bedroom to be in cooling mode while another simultaneously requests heating.\u003c\/p\u003e\n\u003cp\u003eThe zones may have different temperatures, but they must operate in a compatible mode.\u003c\/p\u003e\n\u003cp\u003eThis reality is important during the shoulder seasons, particularly in spring or fall, when a sunny room may overheat while another remains cool.\u003c\/p\u003e\n\u003ch3\u003eAutomatic louvers and air distribution in each room\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specification sheet indicates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eautomatic vertical\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eautomatic horizontal\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis function improves the distribution of the air stream, but the location of each head remains critical.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we aim in particular to avoid:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea direct stream of air onto a bed;\u003c\/li\u003e\n\u003cli\u003eair blowing directly onto a desk;\u003c\/li\u003e\n\u003cli\u003ea head installed too close to a ceiling;\u003c\/li\u003e\n\u003cli\u003ea position that blocks the air coverage;\u003c\/li\u003e\n\u003cli\u003ean installation that makes maintenance more difficult.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a bedroom, the best position is not always the easiest one for the piping. We therefore need to find a compromise between performance, aesthetics, and route simplicity.\u003c\/p\u003e\n\u003ch2\u003eA four-zone installation is won mainly through planning the lines, drains, and outdoor unit.\u003c\/h2\u003e\n\u003ch3\u003eA precharge of up to 125 feet\u003c\/h3\u003e\n\u003cp\u003eThe documentation indicates that the SENA-36HF-MOA contains approximately \u003cstrong\u003e134.04 oz of R-454B\u003c\/strong\u003e and is precharged for a total length of up to \u003cstrong\u003e125 feet\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn a four-zone project, this information is important.\u003c\/p\u003e\n\u003cp\u003eFour heads can quickly generate a significant total piping length.\u003c\/p\u003e\n\u003cp\u003eSuppose:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e20 feet for the first zone;\u003c\/li\u003e\n\u003cli\u003e25 feet for the second;\u003c\/li\u003e\n\u003cli\u003e35 feet for the third;\u003c\/li\u003e\n\u003cli\u003e30 feet for the fourth.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe total already reaches 110 feet.\u003c\/p\u003e\n\u003cp\u003eThat is why we calculate the lengths before installation rather than afterward.\u003c\/p\u003e\n\u003ch3\u003eR-454B: a new standard that requires proper installation\u003c\/h3\u003e\n\u003cp\u003eThe system uses \u003cstrong\u003eR-454B\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis A2L refrigerant requires appropriate practices during HVAC commissioning and servicing.\u003c\/p\u003e\n\u003cp\u003eA professional installation includes, among other things:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eproper line preparation;\u003c\/li\u003e\n\u003cli\u003ecompliant connections;\u003c\/li\u003e\n\u003cli\u003eleak tests;\u003c\/li\u003e\n\u003cli\u003evacuuming;\u003c\/li\u003e\n\u003cli\u003ecorrect charge;\u003c\/li\u003e\n\u003cli\u003efinal operation check.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a four-zone system, the number of connections is greater than in a single-zone system, making the quality of the refrigeration work even more important.\u003c\/p\u003e\n\u003ch3\u003e1\/4 in – 1\/2 in piping\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specification sheet indicates connection sizes of \u003cstrong\u003e1\/4 in – 1\/2 in\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe route must be planned to avoid an accumulation of visible line-hide on the façades.\u003c\/p\u003e\n\u003cp\u003eIn an installation in Montréal or Longueuil, we can sometimes group several runs along the same vertical line and then distribute them to the different rooms.\u003c\/p\u003e\n\u003cp\u003eThis method often improves the exterior appearance.\u003c\/p\u003e\n\u003ch3\u003eFour heads also mean four drains\u003c\/h3\u003e\n\u003cp\u003eEach indoor unit produces condensate in cooling mode.\u003c\/p\u003e\n\u003cp\u003eA four-zone system may therefore require up to four separate drainage runs.\u003c\/p\u003e\n\u003cp\u003eIt is a detail that quickly becomes critical.\u003c\/p\u003e\n\u003cp\u003eWe try to prioritize gravity drains when the configuration allows.\u003c\/p\u003e\n\u003cp\u003ePoor planning may require several condensate pumps, which adds:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003enoise;\u003c\/li\u003e\n\u003cli\u003emechanical parts;\u003c\/li\u003e\n\u003cli\u003emaintenance;\u003c\/li\u003e\n\u003cli\u003erisk of blockages.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a bedroom, a pump that starts regularly during the night can be much more disruptive than expected.\u003c\/p\u003e\n\u003ch3\u003eAn outdoor unit weighing more than 200 lb\u003c\/h3\u003e\n\u003cp\u003eThe brochure specifies for the outdoor unit:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003edimensions: \u003cstrong\u003e38.58 × 16.34 × 38.39 in\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eweight: approximately \u003cstrong\u003e211.86 lb\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003emaximum outdoor airflow: \u003cstrong\u003e3,037.2 CFM\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eoutdoor sound level: \u003cstrong\u003e65 dB(A)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis is therefore not a small outdoor unit.\u003c\/p\u003e\n\u003cp\u003eIts base or support must be suitable for its weight and Québec's winter conditions.\u003c\/p\u003e\n\u003cp\u003eWe also check:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eclearances;\u003c\/li\u003e\n\u003cli\u003esnow accumulation;\u003c\/li\u003e\n\u003cli\u003edefrost water;\u003c\/li\u003e\n\u003cli\u003edistance from windows;\u003c\/li\u003e\n\u003cli\u003eproximity to the neighbor;\u003c\/li\u003e\n\u003cli\u003eaccessibility for servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e65 dB(A): location matters\u003c\/h3\u003e\n\u003cp\u003eAn outdoor sound level of \u003cstrong\u003e65 dB(A)\u003c\/strong\u003e deserves particular attention.\u003c\/p\u003e\n\u003cp\u003eOn a property with a large lot, the impact may be limited.\u003c\/p\u003e\n\u003cp\u003eIn a densely populated Montréal neighborhood or in certain areas of \u003cstrong\u003eLongueuil\u003c\/strong\u003e, the distance from windows, patios, and neighbors is often much smaller.\u003c\/p\u003e\n\u003cp\u003eWe therefore try to avoid installing it directly beneath a bedroom window or too close to a patio used in the evening.\u003c\/p\u003e\n\u003ch3\u003eMCA 37 A and MOP 40 A\u003c\/h3\u003e\n\u003cp\u003eThe brochure specifies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMCA: 37 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003emaximum protection: 40 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003epower supply: \u003cstrong\u003e208\/230 V single-phase\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe electrical circuit must be sized according to the nameplate data and applicable requirements.\u003c\/p\u003e\n\u003cp\u003eIn a home already heavily loaded by baseboard heaters, a water heater, a stove, and an electric vehicle charging station, we check the available capacity before confirming the work.\u003c\/p\u003e\n\u003ch3\u003eDiagnostics and leak detection\u003c\/h3\u003e\n\u003cp\u003eThe documentation also presents \u003cstrong\u003ebuilt-in diagnostic and refrigerant leak detection functions\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOn a four-zone system, this function is useful because the refrigeration network has more fittings and components.\u003c\/p\u003e\n\u003cp\u003eHowever, it does not replace a diagnosis by a refrigeration technician.\u003c\/p\u003e\n\u003cp\u003eA drop in performance in a single zone may be related to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea sensor;\u003c\/li\u003e\n\u003cli\u003ea fan motor;\u003c\/li\u003e\n\u003cli\u003ean electronic problem;\u003c\/li\u003e\n\u003cli\u003ea refrigerant charge;\u003c\/li\u003e\n\u003cli\u003ea fitting;\u003c\/li\u003e\n\u003cli\u003ea drain;\u003c\/li\u003e\n\u003cli\u003ea communication error.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe 1,800 sq. ft. area shown in the brochure must be interpreted correctly\u003c\/h3\u003e\n\u003cp\u003eThe brochure indicates that the SENA-36HF\/D configuration can cover up to approximately \u003cstrong\u003e1,800 sq. ft.\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis information should not be interpreted as an automatic rule.\u003c\/p\u003e\n\u003cp\u003eA well-insulated 1,800 sq. ft. newer home may have a very different heating load from an old duplex of the same size.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we consider in particular:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003einsulation;\u003c\/li\u003e\n\u003cli\u003enumber of windows;\u003c\/li\u003e\n\u003cli\u003esolar orientation;\u003c\/li\u003e\n\u003cli\u003eceiling height;\u003c\/li\u003e\n\u003cli\u003ewall exposure;\u003c\/li\u003e\n\u003cli\u003econstruction type;\u003c\/li\u003e\n\u003cli\u003enumber of floors;\u003c\/li\u003e\n\u003cli\u003edesired temperature;\u003c\/li\u003e\n\u003cli\u003eoccupancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRealistic example of a four-zone project\u003c\/h3\u003e\n\u003cp\u003eA common scenario would be a two-story home where the owners want:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eone unit in the primary bedroom;\u003c\/li\u003e\n\u003cli\u003eone unit in a second bedroom;\u003c\/li\u003e\n\u003cli\u003eone unit in the office;\u003c\/li\u003e\n\u003cli\u003eone unit in the large living-dining area.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eIn this case, the living room head may require more capacity than those in the bedrooms.\u003c\/p\u003e\n\u003cp\u003eWe would therefore not necessarily choose four identical units.\u003c\/p\u003e\n\u003cp\u003eThe combination can be adapted to the actual needs of each space, subject to compatibility with the SENA-36HF-MOA.\u003c\/p\u003e\n\u003ch3\u003eProvincial rebate shown: $4,560\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet currently shows a \u003cstrong\u003e$4,560 provincial rebate\u003c\/strong\u003e for this combination.\u003c\/p\u003e\n\u003cp\u003eIt also states:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR\u003c\/strong\u003e certification;\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCold Climate\u003c\/strong\u003e certification;\u003c\/li\u003e\n\u003cli\u003eENERGY STAR number \u003cstrong\u003e3630064\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSenville documentation confirms the series’ ENERGY STAR certification and cold-climate positioning. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAs always, financial assistance must be verified at the time of the project using the exact combination of indoor and outdoor units.\u003c\/p\u003e\n\u003cp\u003eIn a multi-zone system, this detail is particularly important.\u003c\/p\u003e\n\u003ch3\u003eWarranty: a difference to be confirmed\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet states:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10 years compressor – 10 years parts – 0 years labour\u003c\/strong\u003e, with the possibility of an additional warranty.\u003c\/p\u003e\n\u003cp\u003eHowever, the Senville brochure indicates \u003cstrong\u003e10 years on the compressor and 5 years on parts\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe technical table on page 5 also confirms \u003cstrong\u003e10 years compressor \/ 5 years parts\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis difference must therefore be confirmed according to the warranty program applicable to the product sold by AirGreen.\u003c\/p\u003e\n\u003ch3\u003eFour single-zone systems or a four-zone system?\u003c\/h3\u003e\n\u003cp\u003eThis is a comparison we often make.\u003c\/p\u003e\n\u003cp\u003eFour single-zone systems provide four independent outdoor units.\u003c\/p\u003e\n\u003cp\u003eA multi-zone system uses a single outdoor unit.\u003c\/p\u003e\n\u003ch4\u003eAdvantages of the four-zone system\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003efewer outdoor units;\u003c\/li\u003e\n\u003cli\u003ebetter aesthetics;\u003c\/li\u003e\n\u003cli\u003eless space occupied;\u003c\/li\u003e\n\u003cli\u003eonly one outdoor unit to maintain;\u003c\/li\u003e\n\u003cli\u003eindependent control of the four rooms;\u003c\/li\u003e\n\u003cli\u003ea particularly interesting solution for façades where space is limited.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAdvantages of separate single-zone systems\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eeach system is completely independent;\u003c\/li\u003e\n\u003cli\u003ean outdoor-unit failure affects only one zone;\u003c\/li\u003e\n\u003cli\u003esome small single-zone units can offer excellent individual performance;\u003c\/li\u003e\n\u003cli\u003eeach zone has its own dedicated outdoor capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe best choice depends on the building and the owner's priorities.\u003c\/p\u003e\n\u003ch3\u003eThe most common mistake: overloading the indoor capacity because the outdoor unit accepts five zones\u003c\/h3\u003e\n\u003cp\u003eThe fact that the SENA-36HF-MOA can accept \u003cstrong\u003eup to five zones\u003c\/strong\u003e does not mean that any combination of heads can be installed.\u003c\/p\u003e\n\u003cp\u003eThe matching rules must be followed.\u003c\/p\u003e\n\u003cp\u003eFor a four-zone system, we therefore verify the total connected capacity and the manufacturer's limits before finalizing the order.\u003c\/p\u003e\n\u003cp\u003eThis is particularly important for winter heating, when several rooms may require heat simultaneously.\u003c\/p\u003e\n\u003ch3\u003eWhy choose AirGreen for a multi-zone installation\u003c\/h3\u003e\n\u003cp\u003eA four-zone heat pump requires more coordination than a simple wall-mounted unit.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we plan:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe heating needs of each room;\u003c\/li\u003e\n\u003cli\u003eindoor models;\u003c\/li\u003e\n\u003cli\u003etotal capacity;\u003c\/li\u003e\n\u003cli\u003elow-temperature capacity;\u003c\/li\u003e\n\u003cli\u003epiping lengths;\u003c\/li\u003e\n\u003cli\u003edrains;\u003c\/li\u003e\n\u003cli\u003eexterior aesthetics;\u003c\/li\u003e\n\u003cli\u003eoutdoor-unit support;\u003c\/li\u003e\n\u003cli\u003eelectrical supply;\u003c\/li\u003e\n\u003cli\u003ecommissioning;\u003c\/li\u003e\n\u003cli\u003eeligibility for subsidies;\u003c\/li\u003e\n\u003cli\u003efuture access for maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe carry out these installations in \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, the North Shore, and Montérégie\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eOur assessment of the SENVILLE SENA-36HF-MOA\u003c\/h3\u003e\n\u003cp\u003eThe SENVILLE 36,000 BTU platform offers a particularly interesting combination for a property requiring several independent zones:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 to 5 compatible zones\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eperfectly suited to a \u003cstrong\u003e4-zone\u003c\/strong\u003e configuration when properly matched;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36,000 BTU nominal cooling capacity\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36,000 BTU nominal heating capacity\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003emodulation up to \u003cstrong\u003e43,000 BTU in cooling\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003emodulation up to \u003cstrong\u003e44,000 BTU in heating\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSEER2 23\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEER2 13\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHSPF2-4 10.7\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eoperation down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eR-454B;\u003c\/li\u003e\n\u003cli\u003eENERGY STAR;\u003c\/li\u003e\n\u003cli\u003eCold Climate;\u003c\/li\u003e\n\u003cli\u003eWiFi;\u003c\/li\u003e\n\u003cli\u003erefrigerant precharge up to \u003cstrong\u003e125 feet\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003emaximum protection of \u003cstrong\u003e40 A\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a home divided into several rooms, it allows the zones to be treated directly rather than trying to force air from a single point.\u003c\/p\u003e\n\u003cp\u003eHowever, the result depends on the quality of the design. A good outdoor unit cannot compensate for improperly sized heads, poorly planned drains, or an incorrect indoor-unit combination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor a quote on a SENVILLE 4-zone heat pump, contact AirGreen. We can size each room, verify the combination of indoor units, plan the piping, and confirm the financial incentives available before installation in Montreal, Laval, Longueuil, the North Shore, or the South Shore.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Senville","offers":[{"title":"9 + 9 + 9 + 9","offer_id":56201207251236,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":true},{"title":"9 + 9 + 9 + 12","offer_id":56201207284004,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":true},{"title":"9 + 9 + 9 + 18","offer_id":56201207316772,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":true},{"title":"9 + 9 + 12 + 12","offer_id":56201207349540,"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_36000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1789057798","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-4-zones-senville-r454b-36000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}