{"title":"Thermopompe Murale DURASTAR Sirius Heat R454B | Montréal, Laval, Rive Sud \u0026 Nord","description":null,"products":[{"product_id":"thermopompe-murale-durastar-sirius-heat-6000-btu-r454b","title":"DURASTAR Sirius Heat Wall-Mounted Heat Pump | 6000 BTU - R454B","description":"\u003ch2\u003eA Small Room Deserves a Unit Its Size\u003c\/h2\u003e\u003cp\u003eMost of the rooms we want to heat and cool in Quebec are not 600-square-foot living rooms. They are children's bedrooms, home offices, studios, or guest rooms where an oversized unit simply starts and stops without ever finding its rhythm. The \u003cstrong\u003eDURASTAR Sirius Heat Wall-Mounted Heat Pump | 6,000 BTU - R454B\u003c\/strong\u003e meets this need precisely: a compact format, a \u003cstrong\u003ewall-mounted heat pump\u003c\/strong\u003e certified for extreme cold, and one of the best seasonal efficiencies in the DuraStar lineup.\u003c\/p\u003e\u003cp\u003eIts AHRI-certified ratings are \u003cstrong\u003e25.3 SEER2\u003c\/strong\u003e for cooling, \u003cstrong\u003e16.0 EER2\u003c\/strong\u003e, and \u003cstrong\u003e14.6 HSPF2\u003c\/strong\u003e for heating, the best seasonal heating rating of all the DuraStar wall-mounted heat pumps we offer. The system is \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e certified with the \u003cstrong\u003ecold-climate designation\u003c\/strong\u003e, and it operates in heating mode down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhy Oversizing Costs More in a Small Room\u003c\/h3\u003e\u003cp\u003eA compressor that is too large for the space reaches the setpoint within minutes, then shuts off. These short cycles wear out components, leave humidity in the air during summer, and create uncomfortable temperature swings. The Sirius Heat 6,000 BTU avoids this problem with its \u003cstrong\u003evariable-speed compressor\u003c\/strong\u003e: in cooling mode, its certified range is from \u003cstrong\u003e2,500 to 11,500 BTU\/h\u003c\/strong\u003e, and in heating mode from \u003cstrong\u003e3,200 to 10,700 BTU\/h\u003c\/strong\u003e at 8 °C. It can therefore run for long periods at low speed, which is essential for stable comfort and effective dehumidification.\u003c\/p\u003e\u003cp\u003eThis upward capacity range also matters. An attic bedroom facing west may require much more than its floor area would suggest in the late afternoon in July. The unit has the necessary reserve for these peaks, then returns to a discreet operating level.\u003c\/p\u003e\u003ch3\u003eCertified Heating Performance Figures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCapacity at \u003cstrong\u003e8 °C\u003c\/strong\u003e: 7,000 BTU\/h\u003c\/li\u003e\n\u003cli\u003eCapacity at \u003cstrong\u003e-8 °C\u003c\/strong\u003e: \u003cstrong\u003e8,000 BTU\/h\u003c\/strong\u003e, with a \u003cstrong\u003eCOP of 2.49\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCapacity at \u003cstrong\u003e-15 °C\u003c\/strong\u003e: \u003cstrong\u003e7,500 BTU\/h\u003c\/strong\u003e, with a \u003cstrong\u003eCOP of 2.29\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaximum capacity at \u003cstrong\u003e-30 °C\u003c\/strong\u003e: \u003cstrong\u003e3,900 BTU\/h\u003c\/strong\u003e, with a COP of 1.22\u003c\/li\u003e\n\u003cli\u003eOperating range: from -30 °C to 24 °C in heating mode, from -30 °C to 50 °C in cooling mode\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCapacity at -8 °C exceeds the nominal capacity. This is normal behavior for an inverter compressor, which slows down in mild weather and speeds up as demand increases. These figures come from certificate \u003cstrong\u003eAHRI 215359242\u003c\/strong\u003e, published by NEEP, rather than from a marketing sheet.\u003c\/p\u003e\u003ch3\u003eWhat COP Means for Your Electricity Bill\u003c\/h3\u003e\u003cp\u003eAn electric baseboard converts one kilowatt-hour into one kilowatt-hour of heat, regardless of the outdoor temperature. At -8 °C, this unit provides nearly two and a half times as much heat for the same amount of electricity. At -15 °C, it still provides more than twice as much. In an enclosed room heated with electricity, the difference quickly becomes apparent on your Hydro-Québec bill, since the vast majority of heating hours in a season in \u003cstrong\u003eMontreal\u003c\/strong\u003e are above -10 °C.\u003c\/p\u003e\u003ch3\u003eLogisVert: What You Need to Know About This Size\u003c\/h3\u003e\u003cp\u003eThis system does not appear on the current list of heat pumps eligible for Hydro-Québec's \u003cstrong\u003eLogisVert\u003c\/strong\u003e program, which explains the $0 value shown on the technical sheet. If the subsidy is essential to your project, the 12,000 BTU model from the same Sirius Heat series is listed. Its \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e identifier is \u003cstrong\u003e3621138\u003c\/strong\u003e: we always check the current list as of your scheduled installation date, since it changes throughout the year.\u003c\/p\u003e\u003ch2\u003eInstalling a 6,000 BTU Unit Without Compromise: Location, Circuit, and Maintenance\u003c\/h2\u003e\u003cp\u003eA small unit should not be installed casually. The same rules apply as for a larger format, and some become even more important in a ten-by-twelve-foot room.\u003c\/p\u003e\u003ch3\u003eThe Indoor Unit\u003c\/h3\u003e\u003cp\u003eThe wall-mounted unit measures \u003cstrong\u003e28.70 x 7.87 x 11.50 inches\u003c\/strong\u003e and weighs 17.6 pounds. It operates between \u003cstrong\u003e20 and 42 dB(A)\u003c\/strong\u003e depending on fan speed, with a maximum airflow of \u003cstrong\u003e294 CFM\u003c\/strong\u003e in Turbo mode. At the lowest setting, its sound is comparable to a whisper, making it a good choice for a bedroom. We position it so that the airflow does not blow directly onto the bed or workstation. The vertical louver is adjusted automatically with the remote, while the left-to-right direction is adjusted manually during commissioning.\u003c\/p\u003e\u003cp\u003eThe wireless remote offers \u003cstrong\u003eFollow Me\u003c\/strong\u003e, which measures the temperature where you are, \u003cstrong\u003eECO\/GEAR\u003c\/strong\u003e to limit cooling energy consumption, \u003cstrong\u003eSleep\u003c\/strong\u003e, \u003cstrong\u003eSilence\u003c\/strong\u003e, \u003cstrong\u003eTurbo\u003c\/strong\u003e, and \u003cstrong\u003eActive Clean\u003c\/strong\u003e, which cleans and dries the indoor coil. An 8 °C freeze-protection function is also included. Wi-Fi is not built in: DuraStar offers a Wi-Fi adapter module sold separately, and the unit is compatible with the DRSTAT101 wall thermostat.\u003c\/p\u003e\u003ch3\u003eThe Outdoor Unit\u003c\/h3\u003e\u003cp\u003eThe condenser measures \u003cstrong\u003e30.12 x 11.93 x 21.85 inches\u003c\/strong\u003e, weighs 62.2 pounds, and produces \u003cstrong\u003e53 dB(A)\u003c\/strong\u003e. It includes a \u003cstrong\u003ebase-pan heater\u003c\/strong\u003e that prevents defrost water from freezing beneath the unit, as well as an anti-corrosion coating on the fins. We install it on a wall or ground support, always elevated above the snow line, with sufficient clearance for unrestricted airflow.\u003c\/p\u003e\u003ch3\u003eRefrigerant Lines and Refrigerant\u003c\/h3\u003e\u003cp\u003eThe system uses \u003cstrong\u003e1\/4- and 3\/8-inch\u003c\/strong\u003e lines, precharged for 25 feet. The length can reach \u003cstrong\u003e82 feet\u003c\/strong\u003e, with a maximum elevation difference of 49 feet and an addition of 0.16 ounces of refrigerant per extra foot. \u003cstrong\u003eR-454B\u003c\/strong\u003e is an A2L refrigerant with low global-warming potential, so the indoor unit includes a factory-installed \u003cstrong\u003erefrigerant leak detector\u003c\/strong\u003e. Our installations are fully exposed, with no work inside the walls, and a finished line-set cover can be added to protect the lines.\u003c\/p\u003e\u003ch3\u003eElectrical Supply\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e208-230 V single-phase\u003c\/strong\u003e power supply, \u003cstrong\u003e12 A MCA\u003c\/strong\u003e, and a \u003cstrong\u003e15 A circuit breaker\u003c\/strong\u003e. A dedicated 15 A circuit is sufficient, greatly simplifying the addition of a unit in a duplex or condo where the electrical panel is already quite full.\u003c\/p\u003e\u003ch3\u003eWhat Is Normal and What Is Not\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA white mist\u003c\/strong\u003e coming from the outdoor unit in winter: this is steam from the defrost cycle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA slight hissing sound\u003c\/strong\u003e when starting or stopping: this is the refrigerant changing direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA three-minute delay\u003c\/strong\u003e before restarting after a shutdown: this is compressor protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eHowever, a burning smell, a circuit breaker that repeatedly trips, or water leaking from the indoor unit requires shutting the unit off and calling a technician.\u003c\/p\u003e\u003ch3\u003eMaintenance in Three Steps\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the indoor filters\u003c\/strong\u003e every two weeks during periods of intensive use, as recommended by DuraStar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear the outdoor unit\u003c\/strong\u003e of snow, ice, and leaves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSchedule annual HVAC maintenance\u003c\/strong\u003e: coil cleaning, condensate drainage inspection, and electrical connection checks.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eWhy Entrust This Project to AirGreen\u003c\/h3\u003e\u003cp\u003eWe have been installing wall-mounted heat pumps in \u003cstrong\u003eMontreal\u003c\/strong\u003e, \u003cstrong\u003eLaval\u003c\/strong\u003e, \u003cstrong\u003eLongueuil\u003c\/strong\u003e, the \u003cstrong\u003eNorth Shore\u003c\/strong\u003e, and the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e for more than fifteen years. We hold RBQ licences for ventilation, refrigeration, and electrical work, and carry \u003cstrong\u003e$5,000,000\u003c\/strong\u003e in liability insurance. Before recommending a 6,000 BTU unit, we assess the insulation, windows, and actual use of the room: if a 9,000 BTU unit is needed, we will tell you.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRequest your free estimate for the DURASTAR Sirius Heat Wall-Mounted Heat Pump | 6,000 BTU - R454B. We will assess the room, confirm the right size, and provide you with a clear, detailed quote.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Durastar","offers":[{"title":"Default Title","offer_id":56308853702948,"sku":"DRA1H06S2A","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_MURALE_DURASTAR_SIRIUS_HEAT_6000_BTU_R454B_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_83e68d88-7de7-4bc2-9aae-f40a41f70df8.png?v=1789646060"},{"product_id":"thermopompe-murale-durastar-sirius-heat-9000-btu-r454b","title":"DURASTAR Sirius Heat Wall-Mounted Heat Pump | 9000 BTU - R454B","description":"\u003ch2\u003e26.0 SEER2 and 12,000 BTU\/h at -8 °C in a 9,000 BTU format\u003c\/h2\u003e\u003cp\u003eOn paper, a 9,000 BTU unit is a small appliance. In practice, the \u003cstrong\u003eDURASTAR Sirius Heat Wall-Mounted Heat Pump | 9,000 BTU - R454B\u003c\/strong\u003e retains heating capacity that many larger units do not offer when temperatures drop. Its AHRI certificate assigns it \u003cstrong\u003e12,000 BTU\/h at -8 °C\u003c\/strong\u003e, one-third more than its nominal rating, and it has the best seasonal cooling rating in the entire DuraStar R-454B wall-mounted range: \u003cstrong\u003e26.0 SEER2\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eIts other certified ratings are \u003cstrong\u003e15.0 EER2\u003c\/strong\u003e and \u003cstrong\u003e12.5 HSPF2\u003c\/strong\u003e. The system is \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e certified with the \u003cstrong\u003ecold climate designation\u003c\/strong\u003e and operates in heating mode down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e, making it a \u003cstrong\u003ewall-mounted heat pump\u003c\/strong\u003e designed for Quebec winters, not just heat waves.\u003c\/p\u003e\u003ch3\u003eTwo seasons, two ways of working\u003c\/h3\u003e\u003cp\u003eIn summer, the certified modulation range runs from \u003cstrong\u003e3,600 to 13,500 BTU\/h\u003c\/strong\u003e. The unit can therefore run for long periods at low output in a well-insulated bedroom, removing moisture from the air rather than simply cooling it. On muggy July days, \u003cstrong\u003eDRY\u003c\/strong\u003e mode runs the fan at low speed to prioritize dehumidification.\u003c\/p\u003e\u003cp\u003eIn winter, the range at 8 °C extends from \u003cstrong\u003e3,800 to 16,000 BTU\/h\u003c\/strong\u003e. This margin explains the 12,000 BTU\/h rating at -8 °C: the inverter compressor speeds up as the heat demand increases. For a room that loses a lot of heat, such as a bedroom above a garage or a room with two exterior walls, this reserve is what makes the difference between real comfort and a unit that struggles.\u003c\/p\u003e\u003ch3\u003eCertified heating values\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e-8 °C\u003c\/strong\u003e: \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e, \u003cstrong\u003eCOP of 2.46\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-15 °C\u003c\/strong\u003e: \u003cstrong\u003e11,500 BTU\/h\u003c\/strong\u003e, \u003cstrong\u003eCOP of 1.80\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-30 °C\u003c\/strong\u003e: up to \u003cstrong\u003e5,800 BTU\/h\u003c\/strong\u003e, COP of 1.24\u003c\/li\u003e\n\u003cli\u003eHeating operation from -30 °C to 24 °C, cooling operation from -30 °C to 50 °C\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese figures come from certificate \u003cstrong\u003eAHRI 215359245\u003c\/strong\u003e, as published by NEEP. DuraStar's commercial product sheet lists more conservative values at -8 °C. We display the certificate values because they are the ones used by ENERGY STAR and Hydro-Québec.\u003c\/p\u003e\u003ch3\u003eLogisVert and choosing between 9,000 and 12,000 BTU\u003c\/h3\u003e\u003cp\u003eThis size does not appear on the list of units eligible for Hydro-Québec's current \u003cstrong\u003eLogisVert\u003c\/strong\u003e program, which explains the $0 amount shown in the product sheet. An interesting detail: the 12,000 BTU model from the same Sirius Heat series has exactly the same certified heating capacities, namely 12,000 BTU\/h at -8 °C and 11,500 BTU\/h at -15 °C, and it is listed on the program's eligibility list. When the rebate is a factor in the decision, we compare the two with you, taking into account the 12,000 BTU model's additional cooling capacity and the difference in summer efficiency. The \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e identifier for this system is \u003cstrong\u003e3621142\u003c\/strong\u003e.\u003c\/p\u003e\u003ch2\u003ePrimary bedroom, basement, or office: getting the installation right\u003c\/h2\u003e\u003cp\u003eThis size is particularly well suited to three types of rooms. Each has its own requirements.\u003c\/p\u003e\u003ch3\u003eThe primary bedroom\u003c\/h3\u003e\u003cp\u003eThe indoor unit measures \u003cstrong\u003e31.57 x 7.87 x 11.61 inches\u003c\/strong\u003e and weighs 19.0 pounds. Its sound level drops to \u003cstrong\u003e21 dB(A)\u003c\/strong\u003e in Silence mode and rises to \u003cstrong\u003e40 dB(A)\u003c\/strong\u003e at high speed, with a maximum airflow of \u003cstrong\u003e383 CFM\u003c\/strong\u003e in Turbo mode. The \u003cstrong\u003eSleep\u003c\/strong\u003e function gradually adjusts the setpoint during the first two hours of the night, then maintains the temperature. We position the unit so that the airflow sweeps across the room without being directed at the bed. The vertical louver oscillates automatically, while the lateral direction is adjusted manually.\u003c\/p\u003e\u003ch3\u003eThe basement\u003c\/h3\u003e\u003cp\u003eIn a basement, the real challenge is often humidity rather than heat. Dehumidification mode and extended low-output operation help keep the air dry during the summer. The main constraint is height: the indoor unit must be installed high enough to distribute air properly, with sufficient drainage slope for condensate. When gravity is not enough, a condensate pump becomes necessary, and we clearly indicate this in the quote.\u003c\/p\u003e\u003ch3\u003eThe home office\u003c\/h3\u003e\u003cp\u003eAn office accumulates heat from computers, screens, and extended occupancy. The \u003cstrong\u003eFollow Me\u003c\/strong\u003e function measures the temperature at the remote control, meaning at your workstation, rather than high on the wall. The \u003cstrong\u003eGentle\u003c\/strong\u003e function redirects the airflow when it becomes uncomfortable.\u003c\/p\u003e\u003ch3\u003eThe outdoor unit and line set\u003c\/h3\u003e\u003cp\u003eThe condenser measures \u003cstrong\u003e31.69 x 12.99 x 21.81 inches\u003c\/strong\u003e, weighs 72.8 pounds, and produces \u003cstrong\u003e56 dB(A)\u003c\/strong\u003e. It includes a heating element in the base pan and an anti-corrosion coating. The refrigerant lines are \u003cstrong\u003e1\/4 and 3\/8 inch\u003c\/strong\u003e, precharged for 25 feet, with a maximum length of \u003cstrong\u003e82 feet\u003c\/strong\u003e and a maximum vertical rise of 49 feet. Beyond 25 feet, 0.16 ounces of refrigerant is added per foot. Like every \u003cstrong\u003eR-454B\u003c\/strong\u003e system, which uses an A2L refrigerant, the indoor unit includes a factory-installed leak detector.\u003c\/p\u003e\u003ch3\u003eElectrical requirements\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e208-230 V\u003c\/strong\u003e power supply, \u003cstrong\u003e15 A MCA\u003c\/strong\u003e, and a \u003cstrong\u003e15 A circuit breaker\u003c\/strong\u003e for the outdoor unit. We check the available space in the electrical panel during the visit: a dedicated circuit is required, but an electrical service upgrade is usually not necessary for this size.\u003c\/p\u003e\u003ch3\u003eNormal operating behaviors to know\u003c\/h3\u003e\u003cp\u003eIn winter, the outdoor unit periodically defrosts its coil. During these few minutes, the indoor unit may stop delivering heat, and white vapor may escape outdoors. After shutting down, the compressor waits three minutes before restarting. A slight flowing sound or plastic creaking during temperature changes is also normal. A unit that stops with an error code, a tripped circuit breaker, or water leaking indoors warrants a service call.\u003c\/p\u003e\u003ch3\u003eRecommended maintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClean the \u003cstrong\u003eindoor filters\u003c\/strong\u003e every two weeks during periods of intensive use.\u003c\/li\u003e\n\u003cli\u003eInspect the system before each season: filters, drainage, and clearance around the outdoor unit.\u003c\/li\u003e\n\u003cli\u003eSchedule annual \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e by a refrigeration technician to clean the coils and check the electrical components.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAirGreen, from evaluation to commissioning\u003c\/h3\u003e\u003cp\u003eOur teams install \u003cstrong\u003ewall-mounted heat pumps\u003c\/strong\u003e in \u003cstrong\u003eMontreal\u003c\/strong\u003e, \u003cstrong\u003eLaval\u003c\/strong\u003e, \u003cstrong\u003eLongueuil\u003c\/strong\u003e, on the \u003cstrong\u003eNorth Shore\u003c\/strong\u003e, and on the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e. The in-home assessment is free: we look at the insulation, windows, possible outdoor unit locations, and panel capacity. You then receive a written quote, with no pressure and no on-site signature required. Also see our \u003ca href=\"\/en\/blogs\/nos-realisations\"\u003eprojects\u003c\/a\u003e to view the types of installations we deliver.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBook your free estimate for the DURASTAR Sirius Heat Wall-Mounted Heat Pump | 9,000 BTU - R454B and compare it with the 12,000 BTU size based on your room and the rebate.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Durastar","offers":[{"title":"Default Title","offer_id":56308939292964,"sku":"DRA1H09S2A","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_MURALE_DURASTAR_SIRIUS_HEAT_9000_BTU_R454B_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_8961e3c8-ac0b-411c-9c68-8b05ed1916e1.png?v=1789646060"},{"product_id":"thermopompe-murale-durastar-sirius-heat-12000-btu-r454b","title":"DURASTAR Sirius Heat Wall-Mounted Heat Pump | 12000 BTU - R454B","description":"\u003ch2\u003eThe Baseboard-Heated Living Room-Kitchen: the Natural Setting for 12,000 BTU\u003c\/h2\u003e\u003cp\u003eIn homes and dwellings across Greater Montreal, the room that consumes the most energy in winter is almost always the same: the open-concept area combining the living room, kitchen, and dining room, heated by a series of electric baseboards. The \u003cstrong\u003eDURASTAR Sirius Heat Wall-Mounted Heat Pump | 12,000 BTU - R454B\u003c\/strong\u003e is designed to take over in this type of space, with certified heating capacity that does not collapse when the cold arrives.\u003c\/p\u003e\u003cp\u003eIts certified ratings are \u003cstrong\u003e24.0 SEER2\u003c\/strong\u003e, \u003cstrong\u003e13.2 EER2\u003c\/strong\u003e, and \u003cstrong\u003e10.5 HSPF2\u003c\/strong\u003e. The system is \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e certified with the \u003cstrong\u003ecold-climate designation\u003c\/strong\u003e, operates in heating mode down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e, and appears on Hydro-Québec's list with a \u003cstrong\u003e$1,440 LogisVert grant\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eHeating Capacity That Holds Up\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAt \u003cstrong\u003e-8 °C\u003c\/strong\u003e: \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e, meaning the full rated capacity, with a \u003cstrong\u003eCOP of 2.44\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e-15 °C\u003c\/strong\u003e: \u003cstrong\u003e11,500 BTU\/h\u003c\/strong\u003e, with a \u003cstrong\u003eCOP of 1.80\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e-30 °C\u003c\/strong\u003e: up to \u003cstrong\u003e5,900 BTU\/h\u003c\/strong\u003e, with a COP of 1.25\u003c\/li\u003e\n\u003cli\u003eAt 8 °C: from 3,800 to 16,000 BTU\/h\u003c\/li\u003e\n\u003cli\u003eCooling range: from 3,600 to 13,500 BTU\/h\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn other words, between 0 °C and -15 °C, the range in which most of a \u003cstrong\u003eMontreal\u003c\/strong\u003e winter is concentrated, the unit delivers approximately its full rated capacity. These values come from \u003cstrong\u003eAHRI 215359252\u003c\/strong\u003e, a certificate published by NEEP. The manufacturer's commercial sheet states 10,000 BTU\/h at -8 °C; we rely on the certificate, which serves as Hydro-Québec's reference.\u003c\/p\u003e\u003ch3\u003eReplacing the Baseboards or Keeping Them as Backup\u003c\/h3\u003e\u003cp\u003eWe rarely recommend removing the baseboards. The strategy that delivers the best results is to let the heat pump heat the open-concept area for most of the season, lower the baseboard thermostats by a few degrees, and let them take over only in closed bedrooms and during the coldest nights. At -8 °C, the heat pump then provides nearly two and a half times as much heat as a baseboard for the same amount of electricity.\u003c\/p\u003e\u003cp\u003eTo estimate the right size, we start with a simple rule, approximately 18,000 BTU\/h per 1,000 square feet, and then adjust it based on ceiling height, window area, orientation, and the degree of openness between rooms. A 12,000 BTU unit is therefore suitable for most open-concept areas measuring 450 to 650 square feet. Beyond that, or when air must rise to another floor, the 18,000 BTU model becomes more appropriate.\u003c\/p\u003e\u003ch3\u003eThe $1,440 LogisVert Grant\u003c\/h3\u003e\u003cp\u003eThis system is registered with the \u003cstrong\u003eLogisVert\u003c\/strong\u003e program and qualifies for assistance of \u003cstrong\u003e$1,440\u003c\/strong\u003e for owners of existing homes. It is identified by \u003cstrong\u003eENERGY STAR ID 3621148\u003c\/strong\u003e. The amount depends on the list in effect on the installation date, and enhanced assistance applies to certain multi-unit residential buildings. We confirm eligibility before signing, then provide the required documents: detailed invoice, indoor and outdoor model numbers, and proof of payment. For full details, see our page on the \u003ca href=\"\/en\/pages\/subvention-thermopompes-efficaces-dhydro-quebec\"\u003eHydro-Québec efficient heat pump grant\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eCondo, Plex, or Townhouse: Checks Before Installation\u003c\/h2\u003e\u003cp\u003eThe 12,000 BTU size is very common in condominiums and plexes. It is also where building-related constraints matter most.\u003c\/p\u003e\u003ch3\u003eOutdoor Unit Location\u003c\/h3\u003e\u003cp\u003eThe condenser measures \u003cstrong\u003e31.69 x 12.99 x 21.81 inches\u003c\/strong\u003e, weighs 72.8 pounds, and produces \u003cstrong\u003e56 dB(A)\u003c\/strong\u003e. Before discussing the unit itself, we need to determine where it can go: balcony, backyard, side wall, or flat roof. Several condominium associations strictly regulate visible equipment, and some \u003cstrong\u003eMontreal\u003c\/strong\u003e boroughs restrict façade installations. We review these rules with you and prepare the technical information the association usually requests: dimensions, sound level, and mounting method.\u003c\/p\u003e\u003ch3\u003eLine Length\u003c\/h3\u003e\u003cp\u003eThe refrigerant lines are \u003cstrong\u003e1\/4 and 3\/8 inch\u003c\/strong\u003e, precharged for 25 feet and approved for up to \u003cstrong\u003e82 feet\u003c\/strong\u003e, with a maximum elevation difference of 49 feet. This allowance makes it possible to place the outdoor unit on the rear balcony even if the living room faces the street. Beyond the precharge, 0.16 ounces of refrigerant is added per foot. Our installations remain fully exposed, with no opening in the interior wall.\u003c\/p\u003e\u003ch3\u003eElectrical Panel\u003c\/h3\u003e\u003cp\u003ePower supply: \u003cstrong\u003e208-230 V\u003c\/strong\u003e, \u003cstrong\u003eMCA of 15 A\u003c\/strong\u003e, \u003cstrong\u003e15 A circuit breaker\u003c\/strong\u003e. In older buildings where the electrical service is already heavily loaded, this moderate requirement often makes the difference between a simple project and a costly upgrade.\u003c\/p\u003e\u003ch3\u003eComfort in the Open-Concept Area\u003c\/h3\u003e\u003cp\u003eThe indoor unit measures \u003cstrong\u003e31.57 x 7.87 x 11.61 inches\u003c\/strong\u003e and weighs 19.0 pounds. It operates between \u003cstrong\u003e20 and 40 dB(A)\u003c\/strong\u003e and moves up to \u003cstrong\u003e383 CFM\u003c\/strong\u003e in Turbo mode, enough to project air from one end of a typical open-concept area to the other. The vertical louver oscillates automatically, while the lateral direction is adjusted manually during commissioning according to the room's layout. Available functions include \u003cstrong\u003eFollow Me\u003c\/strong\u003e, \u003cstrong\u003eActive Clean\u003c\/strong\u003e, \u003cstrong\u003eSleep\u003c\/strong\u003e, \u003cstrong\u003eTurbo\u003c\/strong\u003e, \u003cstrong\u003eSilence\u003c\/strong\u003e, and \u003cstrong\u003eECO\/GEAR\u003c\/strong\u003e, which reduces cooling consumption in stages. Wi-Fi is not built in; a DuraStar adapter module is available separately.\u003c\/p\u003e\u003ch3\u003eR-454B Refrigerant\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eR-454B\u003c\/strong\u003e is part of the new generation of A2L refrigerants, whose global warming potential is significantly lower than that of R-410A. These systems include a factory-installed leak detector, and their handling follows the safety rules specific to mildly flammable refrigerants.\u003c\/p\u003e\u003ch3\u003eLiving Comfortably with the Unit\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eWhite vapour outside in winter indicates a normal defrost cycle.\u003c\/li\u003e\n\u003cli\u003eA three-minute restart delay protects the compressor.\u003c\/li\u003e\n\u003cli\u003eIndoor filters cleaned every two weeks during the season preserve airflow and efficiency.\u003c\/li\u003e\n\u003cli\u003eAnnual \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e keeps the coils clean and the condensate drainage clear.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy AirGreen\u003c\/h3\u003e\u003cp\u003eAirGreen is a family-owned \u003cstrong\u003eMontreal\u003c\/strong\u003e company that installs and services heat pumps in \u003cstrong\u003eLaval\u003c\/strong\u003e, \u003cstrong\u003eLongueuil\u003c\/strong\u003e, the \u003cstrong\u003eNorth Shore\u003c\/strong\u003e, the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e, and Montérégie. We hold the RBQ licences required for the LogisVert program in ventilation, refrigeration, and electrical work, and we assist every customer with their grant application.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRequest your free estimate for the DURASTAR Sirius Heat Wall-Mounted Heat Pump | 12,000 BTU - R454B. We will confirm your eligibility for LogisVert, assess your building's constraints, and provide you with a detailed quote.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Durastar","offers":[{"title":"Default Title","offer_id":56308939981092,"sku":"DRA1H12S2A","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_MURALE_DURASTAR_SIRIUS_HEAT_12000_BTU_R454B_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_191f5540-42c2-4ebb-96e5-063c1f510647.png?v=1789646060"},{"product_id":"thermopompe-murale-durastar-sirius-heat-18000-btu-r454b","title":"DURASTAR Sirius Heat Wall-Mounted Heat Pump | 18000 BTU - R454B","description":"\u003ch2\u003eAn Open-Plan Ground Floor Needs Airflow, Not Just BTUs\u003c\/h2\u003e\u003cp\u003eWhen moving from an enclosed room to an entire ground floor, BTU capacity is no longer enough to describe the requirement. The warm or cool air must also reach the back of the kitchen, the dining area, and the bottom of the staircase. The \u003cstrong\u003eDURASTAR Sirius Heat Wall-Mounted Heat Pump | 18,000 BTU - R454B\u003c\/strong\u003e combines certified heating capacity down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e with a maximum airflow of \u003cstrong\u003e759 CFM\u003c\/strong\u003e, making it a solid choice for large living areas.\u003c\/p\u003e\u003cp\u003eIts certified ratings are \u003cstrong\u003e21.7 SEER2\u003c\/strong\u003e, \u003cstrong\u003e13.0 EER2\u003c\/strong\u003e, and \u003cstrong\u003e10.8 HSPF2\u003c\/strong\u003e. It is \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e certified with the \u003cstrong\u003ecold-climate designation\u003c\/strong\u003e, and Hydro-Québec lists it in the LogisVert program with a \u003cstrong\u003e$1,992 rebate\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eAirflow Range: An Often-Overlooked Criterion\u003c\/h3\u003e\u003cp\u003eA wall-mounted unit blows air from a single point. In a long or L-shaped room, air speed and volume determine whether the heat actually reaches the other end. This system's indoor fan offers four levels: \u003cstrong\u003e371, 441, 500, and 759 CFM\u003c\/strong\u003e. Turbo mode quickly makes up for a temperature difference when you return from work, while the lower levels maintain quiet comfort the rest of the time.\u003c\/p\u003e\u003cp\u003eWall selection is just as important. We position the indoor unit so that the air stream travels across the room's greatest dimension, without obstacles such as a range hood, tall cabinet, or hanging light fixture. The vertical louver oscillates automatically; the lateral direction is set manually during commissioning according to the layout of the space.\u003c\/p\u003e\u003ch3\u003eCertified Heating Capacities\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAt \u003cstrong\u003e8 °C\u003c\/strong\u003e: 18,000 BTU\/h, with a range of 10,300 to 23,000 BTU\/h\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e-8 °C\u003c\/strong\u003e: \u003cstrong\u003e16,600 BTU\/h\u003c\/strong\u003e, \u003cstrong\u003eCOP of 2.64\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e-15 °C\u003c\/strong\u003e: \u003cstrong\u003e18,000 BTU\/h\u003c\/strong\u003e, \u003cstrong\u003eCOP of 2.00\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e-30 °C\u003c\/strong\u003e: up to \u003cstrong\u003e9,600 BTU\/h\u003c\/strong\u003e, COP of 1.43\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe certified value at -15 °C is even higher than the value measured at -8 °C. The key point is this: at -15 °C, the unit still delivers its full rated capacity, producing twice as much heat as a baseboard heater for the same amount of electricity. These figures come from certificate \u003cstrong\u003eAHRI 215359258\u003c\/strong\u003e, published by NEEP, which takes precedence over the manufacturer's commercial specification sheet.\u003c\/p\u003e\u003ch3\u003eThe $1,992 LogisVert Rebate\u003c\/h3\u003e\u003cp\u003eThe system appears on Hydro-Québec's \u003cstrong\u003eLogisVert\u003c\/strong\u003e list under \u003cstrong\u003eENERGY STAR ID 3621154\u003c\/strong\u003e, with a \u003cstrong\u003e$1,992 rebate\u003c\/strong\u003e for owners of existing homes. The amount is calculated according to the list in effect on the installation date; we confirm it before signing and prepare the documents required for your application.\u003c\/p\u003e\u003ch2\u003ePlanning the Installation of an 18,000 BTU Unit in a Single-Family Home\u003c\/h2\u003e\u003cp\u003eAt this size, installation affects more elements of the home: the structure supporting the outdoor unit, the electrical panel, and the line-set route. Here is what we check during every visit.\u003c\/p\u003e\u003ch3\u003eAn Outdoor Unit Weighing Nearly 100 Pounds\u003c\/h3\u003e\u003cp\u003eThe condenser measures \u003cstrong\u003e35.04 x 13.46 x 26.50 inches\u003c\/strong\u003e and weighs 99.9 pounds. On a brick or concrete wall, a securely anchored wall bracket is suitable; on vinyl or wood siding, we often prefer a ground stand on a stable base, always above the snow line. Its \u003cstrong\u003e59 dB(A)\u003c\/strong\u003e sound level means it should be placed away from bedroom windows, both yours and your neighbors'. The base-pan heater and the anti-corrosion fin coating are included as standard equipment.\u003c\/p\u003e\u003ch3\u003eLonger Lines, Larger Diameter\u003c\/h3\u003e\u003cp\u003eThis system uses \u003cstrong\u003e1\/4- and 1\/2-inch lines\u003c\/strong\u003e. They are precharged for 25 feet and can reach \u003cstrong\u003e98 feet\u003c\/strong\u003e, with a maximum elevation difference of \u003cstrong\u003e66 feet\u003c\/strong\u003e. This allowance makes it possible, for example, to place the outdoor unit in the backyard while the indoor unit is on the living room's front wall. Each foot beyond the precharged length requires 0.16 ounces of refrigerant. When existing lines of the correct diameter can be reused, their cleaning and testing are included.\u003c\/p\u003e\u003ch3\u003eA Dedicated 20 A Circuit\u003c\/h3\u003e\u003cp\u003ePower supply: \u003cstrong\u003e208-230 V\u003c\/strong\u003e, \u003cstrong\u003e19 A MCA\u003c\/strong\u003e, and a \u003cstrong\u003e20 A circuit breaker\u003c\/strong\u003e. Most 200 A panels accept this circuit without difficulty. In an older home with a 100 A panel already loaded with baseboard heaters and a range, we perform a load calculation before proposing the installation.\u003c\/p\u003e\u003ch3\u003eThe Indoor Unit in Everyday Use\u003c\/h3\u003e\u003cp\u003eThe wall-mounted unit measures \u003cstrong\u003e42.60 x 9.21 x 13.27 inches\u003c\/strong\u003e and weighs 30.4 pounds. Its sound level ranges from \u003cstrong\u003e20 dB(A)\u003c\/strong\u003e in Silence mode to \u003cstrong\u003e55 dB(A)\u003c\/strong\u003e in Turbo mode; during normal operation, it ranges from 25 to 45 dB(A). The remote control provides access to the \u003cstrong\u003eFollow Me\u003c\/strong\u003e, \u003cstrong\u003eSleep\u003c\/strong\u003e, \u003cstrong\u003eGentle\u003c\/strong\u003e, \u003cstrong\u003eActive Clean\u003c\/strong\u003e, and \u003cstrong\u003eECO\/GEAR\u003c\/strong\u003e functions. An 8 °C freeze-protection setting keeps the room above freezing during an extended absence. Wi-Fi is not built in; DuraStar offers a separately sold Wi-Fi adapter module.\u003c\/p\u003e\u003ch3\u003eThe Role of Baseboard Heaters and Existing Heating\u003c\/h3\u003e\u003cp\u003eIn a single-family home, one wall-mounted unit does not heat enclosed bedrooms upstairs. We position it as the primary source for the ground floor, while the existing baseboard heaters take over in isolated rooms and during extreme cold. If the upper floor also needs cooling in summer, we discuss a second unit or a multi-zone solution.\u003c\/p\u003e\u003ch3\u003eUnderstanding Sounds and Pauses\u003c\/h3\u003e\u003cp\u003eA rush of air when the louver moves back into position, plastic creaking after a heating cycle, white vapor during defrosting, and a three-minute delay before restarting are all part of normal operation. An unusual metallic noise, a burning smell, or an indoor water leak requires shutting off the unit and scheduling a service visit.\u003c\/p\u003e\u003ch3\u003eMaintenance\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eClean the \u003cstrong\u003eindoor filters\u003c\/strong\u003e every two weeks during the season.\u003c\/li\u003e\n\u003cli\u003eKeep clear space around the condenser in both winter and summer.\u003c\/li\u003e\n\u003cli\u003eHave annual \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e performed on the coils, drain, and electrical connections. Our \u003ca href=\"\/en\/pages\/services-de-nettoyage-climatiseurs-et-thermopompes-murales-grand-montreal\"\u003ewall-mounted heat pump cleaning service\u003c\/a\u003e covers these steps.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eAirGreen in Your Area\u003c\/h3\u003e\u003cp\u003eWe install in \u003cstrong\u003eMontreal\u003c\/strong\u003e, \u003cstrong\u003eLaval\u003c\/strong\u003e, \u003cstrong\u003eLongueuil\u003c\/strong\u003e, the \u003cstrong\u003eNorth Shore\u003c\/strong\u003e, and the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e. The in-home assessment is free, and the written quote is provided without high-pressure sales tactics. We handle registering the unit with the manufacturer and preparing the documents required for the rebate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSchedule your free estimate for the DURASTAR Sirius Heat Wall-Mounted Heat Pump | 18,000 BTU - R454B: we will assess airflow throughout your ground floor, your electrical panel, and your eligibility for LogisVert.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Durastar","offers":[{"title":"Default Title","offer_id":56308941324580,"sku":"DRA1H18S2A","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_MURALE_DURASTAR_SIRIUS_HEAT_18000_BTU_R454B_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_103fe399-6962-412d-a9df-d102c49a6dd0.png?v=1789646353"},{"product_id":"thermopompe-murale-durastar-sirius-heat-24000-btu-r454b","title":"DURASTAR Sirius Heat Wall-Mounted Heat Pump | 24000 BTU - R454B","description":"\u003ch2\u003e24,000 BTU\/h still available at -15 °C: primary heating becomes realistic\u003c\/h2\u003e\u003cp\u003eFor a long time, a \u003cstrong\u003ewall-mounted heat pump\u003c\/strong\u003e was mainly used to cool the home in summer and slightly reduce the heating bill in the fall. As soon as the temperature dropped below -10 °C, baseboard heaters took over again. The \u003cstrong\u003eDURASTAR Sirius Heat Wall-Mounted Heat Pump | 24,000 BTU - R454B\u003c\/strong\u003e changes that equation for large living areas: its AHRI certificate rates it at \u003cstrong\u003e24,000 BTU\/h at -15 °C\u003c\/strong\u003e, meaning its full nominal capacity at a temperature that occurs several times each winter in Greater Montreal.\u003c\/p\u003e\u003cp\u003eIts certified ratings are \u003cstrong\u003e22.3 SEER2\u003c\/strong\u003e, \u003cstrong\u003e12.5 EER2\u003c\/strong\u003e and \u003cstrong\u003e13.3 HSPF2\u003c\/strong\u003e. The system is \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e certified with the \u003cstrong\u003ecold climate designation\u003c\/strong\u003e, operates in heating mode down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e and appears on Hydro-Québec's LogisVert list with a \u003cstrong\u003e$2,760 rebate\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhat the certificate's figures show\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAt \u003cstrong\u003e8 °C\u003c\/strong\u003e: \u003cstrong\u003e26,000 BTU\/h\u003c\/strong\u003e, with a range of 11,800 to 28,100 BTU\/h and a COP of 3.04\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e-8 °C\u003c\/strong\u003e: \u003cstrong\u003e23,000 BTU\/h\u003c\/strong\u003e, \u003cstrong\u003eCOP of 2.60\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e-15 °C\u003c\/strong\u003e: \u003cstrong\u003e24,000 BTU\/h\u003c\/strong\u003e, \u003cstrong\u003eCOP of 2.00\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e-30 °C\u003c\/strong\u003e: up to \u003cstrong\u003e10,900 BTU\/h\u003c\/strong\u003e, COP of 1.39\u003c\/li\u003e\n\u003cli\u003eCooling: \u003cstrong\u003e23,000 BTU\/h\u003c\/strong\u003e certified, with a range of 16,800 to 24,500 BTU\/h\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese values come from \u003cstrong\u003eAHRI certificate 215359265\u003c\/strong\u003e, published by NEEP. DuraStar's commercial sheet lists 21,600 BTU\/h at -8 °C; we use the certified value of 23,000 BTU\/h because that is the figure used by ENERGY STAR and Hydro-Québec. A COP of 2.00 at -15 °C means the unit delivers two units of heat for every unit of electricity consumed, whereas a baseboard heater delivers only one.\u003c\/p\u003e\u003ch3\u003eA primary heat source, with a plan for the coldest nights\u003c\/h3\u003e\u003cp\u003eWith these figures, the heat pump can handle most of the heating for the area it serves during most of the season, not just in the fall. We still present it with a clear plan for extreme conditions. Below -15 °C, capacity gradually decreases, reaching 10,900 BTU\/h at -30 °C. Existing baseboard heaters, or an electric furnace already installed, therefore remain connected and set a few degrees below the heat pump's setpoint. They start only when the unit is no longer sufficient, which occurs mainly during cold snaps.\u003c\/p\u003e\u003cp\u003eA wall-mounted unit heats from a single point. It is highly effective in a large open area, but much less so in closed bedrooms at the end of a hallway. For sizing, we start at approximately 18,000 BTU\/h per 1,000 square feet, then adjust according to ceiling height, windows, orientation and insulation quality. A 24,000 BTU unit is therefore suited to open ground floors, large finished basements and through-units where air can circulate easily from one end to the other.\u003c\/p\u003e\u003ch3\u003eCooling a large space\u003c\/h3\u003e\u003cp\u003eIn summer, the system delivers 23,000 certified BTU\/h, with a seasonal efficiency rating of 22.3 SEER2. Modulation ranges from 16,800 to 24,500 BTU\/h. For rooms with extensive south- or west-facing windows, this reserve makes it possible to quickly offset heat accumulated late in the day. The \u003cstrong\u003eECO\/GEAR\u003c\/strong\u003e function then limits consumption in cooling mode, while Turbo mode is useful when returning home after a hot day.\u003c\/p\u003e\u003ch3\u003eLogisVert: $2,760 for this system\u003c\/h3\u003e\u003cp\u003eThe system is registered with the \u003cstrong\u003eLogisVert\u003c\/strong\u003e program under \u003cstrong\u003eENERGY STAR ID 3621160\u003c\/strong\u003e, with a \u003cstrong\u003e$2,760 rebate\u003c\/strong\u003e for owners of existing homes. An enhanced rebate applies to certain multi-unit residential buildings. The amount depends on the list in effect on the installation date; we confirm it before signing and provide the detailed invoice, model numbers and required proof of payment. Our page on the \u003ca href=\"\/en\/pages\/subvention-thermopompes-efficaces-dhydro-quebec\"\u003eHydro-Québec efficient heat pump rebate\u003c\/a\u003e summarizes the conditions.\u003c\/p\u003e\u003ch2\u003eElectrical service, structure and clearances: the three checks for a 24,000 BTU unit\u003c\/h2\u003e\u003cp\u003eAt this size, installation is no longer simply a matter of drilling a hole and mounting two units. Three factors determine whether the project is feasible and how much it will cost. We check all of them during the in-home assessment.\u003c\/p\u003e\u003ch3\u003e1. The electrical circuit\u003c\/h3\u003e\u003cp\u003eThe system requires a \u003cstrong\u003e208-230 V\u003c\/strong\u003e supply, an \u003cstrong\u003eMCA of 25 A\u003c\/strong\u003e and a \u003cstrong\u003e25 A circuit breaker\u003c\/strong\u003e on a dedicated circuit. A 200 A electrical panel often has enough capacity. In an older home where a 100 A service already supplies baseboard heaters, a water heater and a range, we perform a load calculation before proposing anything.\u003c\/p\u003e\u003ch3\u003e2. The structure supporting the outdoor unit\u003c\/h3\u003e\u003cp\u003eThe condenser measures \u003cstrong\u003e37.24 x 16.14 x 31.89 inches\u003c\/strong\u003e and weighs \u003cstrong\u003e130.3 pounds\u003c\/strong\u003e. At this weight, we favour a ground stand on a stable base or a wall bracket anchored to the building structure, such as brick or concrete, rather than only to the siding. The unit must remain above the snow line and protected from roof runoff. Its sound level of \u003cstrong\u003e61 dB(A)\u003c\/strong\u003e also requires keeping it away from bedroom windows, including neighbours' windows, which matters greatly in dense \u003cstrong\u003eMontreal\u003c\/strong\u003e neighbourhoods. The base-pan heater and fin corrosion-resistant coating are included.\u003c\/p\u003e\u003ch3\u003e3. Clearances and line routing\u003c\/h3\u003e\u003cp\u003eThe refrigerant lines are \u003cstrong\u003e3\/8 and 5\/8 inch\u003c\/strong\u003e. They are precharged for 25 feet and can reach \u003cstrong\u003e164 feet\u003c\/strong\u003e, with a maximum elevation difference of \u003cstrong\u003e82 feet\u003c\/strong\u003e. Beyond the precharged length, 0.32 ounces of refrigerant is added per foot. This length makes it possible to place the condenser in the least conspicuous location on the property, even far from the indoor unit. The 5\/8-inch diameter matters if you want to reuse existing lines: they must match the system, and cleaning and testing them are then included. Our installations remain fully exposed, with no opening of interior walls, and a finished line-set cover can be added as an option. The indoor unit also requires sufficient clearance from the ceiling and on the sides for airflow and servicing.\u003c\/p\u003e\u003ch3\u003eThe indoor unit\u003c\/h3\u003e\u003cp\u003eThe wall-mounted unit measures \u003cstrong\u003e42.60 x 9.21 x 13.27 inches\u003c\/strong\u003e and weighs 30.8 pounds. Its sound level ranges from \u003cstrong\u003e21 dB(A)\u003c\/strong\u003e in Silence mode to \u003cstrong\u003e55 dB(A)\u003c\/strong\u003e in Turbo mode, and its fan offers four levels of \u003cstrong\u003e383, 459, 589 and 759 CFM\u003c\/strong\u003e. The vertical louver oscillates automatically, while the horizontal direction is adjusted manually during commissioning. The remote control provides access to the \u003cstrong\u003eFollow Me\u003c\/strong\u003e, \u003cstrong\u003eECO\/GEAR\u003c\/strong\u003e, \u003cstrong\u003eSleep\u003c\/strong\u003e, \u003cstrong\u003eSilence\u003c\/strong\u003e, \u003cstrong\u003eTurbo\u003c\/strong\u003e, \u003cstrong\u003eActive Clean\u003c\/strong\u003e and \u003cstrong\u003eGentle\u003c\/strong\u003e functions. Freeze protection maintains the room at 8 °C during an extended absence. Like any \u003cstrong\u003eR-454B\u003c\/strong\u003e system, which uses an A2L refrigerant with low global warming potential, the unit includes a factory-installed leak detector. Wi-Fi is not built in; DuraStar offers a separately sold Wi-Fi adapter, and the unit is compatible with the DRSTAT101 wall thermostat.\u003c\/p\u003e\u003ch3\u003eWhat is normal in winter\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eA five- to ten-minute \u003cstrong\u003edefrost cycle\u003c\/strong\u003e, during which the indoor unit stops blowing warm air and white vapour escapes outdoors.\u003c\/li\u003e\n\u003cli\u003eA three-minute delay before the compressor restarts after a shutdown.\u003c\/li\u003e\n\u003cli\u003eA slight hissing sound when starting or defrosting, and plastic creaking as temperatures change.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped circuit breaker, a persistent error code, an unusual odour or water leaking indoors requires shutting down the unit. Our \u003ca href=\"\/en\/pages\/service-de-reparation-thermopompe-murale-grand-montreal\"\u003ewall-mounted heat pump repair service\u003c\/a\u003e can then take over.\u003c\/p\u003e\u003ch3\u003eMaintenance\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eClean the \u003cstrong\u003eindoor filters\u003c\/strong\u003e every two weeks during the season.\u003c\/li\u003e\n\u003cli\u003eClear snow from around the condenser and keep its drainage clear all winter.\u003c\/li\u003e\n\u003cli\u003eSchedule annual \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e: coils, condensate drainage, electrical connections and a heating operation check.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eAirGreen, for a project of this size\u003c\/h3\u003e\u003cp\u003eA family-owned \u003cstrong\u003eMontreal\u003c\/strong\u003e company operating for more than fifteen years, AirGreen installs wall-mounted heat pumps in \u003cstrong\u003eLaval\u003c\/strong\u003e, \u003cstrong\u003eLongueuil\u003c\/strong\u003e, on the \u003cstrong\u003eNorth Shore\u003c\/strong\u003e and the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e. We hold the RBQ licences in ventilation, refrigeration and electrical work required by LogisVert, and we carry \u003cstrong\u003e$5,000,000\u003c\/strong\u003e in liability insurance. The assessment is free, the quote is written and nothing is signed on-site. We register the unit with the manufacturer and, if the budget requires it, \u003ca href=\"\/en\/pages\/financement-avec-financeit\"\u003efinancing options\u003c\/a\u003e are available.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBook your free estimate for the DURASTAR Sirius Heat Wall-Mounted Heat Pump | 24,000 BTU - R454B: we will verify your electrical panel, the condenser location and your $2,760 LogisVert rebate before providing you with a detailed quote.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Durastar","offers":[{"title":"Default Title","offer_id":56308942373156,"sku":"DRA1H24S2A","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_MURALE_DURASTAR_SIRIUS_HEAT_24000_BTU_R454B_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_be9e6a24-8306-4113-b3ed-d83faa459d7f.png?v=1789646353"},{"product_id":"thermopompe-murale-durastar-sirius-heat-33000-btu-r454b","title":"DURASTAR Sirius Heat Wall-Mounted Heat Pump | 33000 BTU - R454B","description":"\u003ch2\u003eThe largest DuraStar wall-mounted unit, for spaces smaller models cannot cover\u003c\/h2\u003e\u003cp\u003eSome rooms defy the usual calculations: a living room with a cathedral ceiling, a mezzanine open to the main floor, a finished basement spanning the entire footprint, or a large living area added to the back of a house. The \u003cstrong\u003eDURASTAR Sirius Heat Wall-Mounted Heat Pump | 33,000 BTU - R454B\u003c\/strong\u003e is the largest format in the DuraStar wall-mounted lineup. It was designed for these spaces, with a maximum airflow of \u003cstrong\u003e830 CFM\u003c\/strong\u003e and certified heating capacity down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eIts certified ratings are \u003cstrong\u003e20.0 SEER2\u003c\/strong\u003e, \u003cstrong\u003e11.7 EER2\u003c\/strong\u003e, and \u003cstrong\u003e10.5 HSPF2\u003c\/strong\u003e. The system is \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e certified with the \u003cstrong\u003ecold-climate designation\u003c\/strong\u003e and appears on Hydro-Québec's list with a \u003cstrong\u003e$3,720 LogisVert rebate\u003c\/strong\u003e, the highest amount among the DuraStar wall-mounted heat pumps we offer.\u003c\/p\u003e\u003ch3\u003eCertified capacities matching its size\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAt \u003cstrong\u003e8 °C\u003c\/strong\u003e: \u003cstrong\u003e36,000 BTU\/h\u003c\/strong\u003e, range of 19,900 to 38,200 BTU\/h, COP of 3.22\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e-8 °C\u003c\/strong\u003e: \u003cstrong\u003e31,000 BTU\/h\u003c\/strong\u003e, \u003cstrong\u003eCOP of 2.61\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e-15 °C\u003c\/strong\u003e: \u003cstrong\u003e34,600 BTU\/h\u003c\/strong\u003e, \u003cstrong\u003eCOP of 1.91\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e-30 °C\u003c\/strong\u003e: up to \u003cstrong\u003e17,800 BTU\/h\u003c\/strong\u003e, COP of 1.36\u003c\/li\u003e\n\u003cli\u003eCooling: \u003cstrong\u003e33,000 BTU\/h\u003c\/strong\u003e, range of 15,000 to 35,900 BTU\/h\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese figures come from certificate \u003cstrong\u003eAHRI 215359269\u003c\/strong\u003e, published by NEEP. Even in the coldest winter weather, the unit still delivers nearly the nominal capacity of an 18,000 BTU heat pump. This makes it suitable as the primary heating source in a very large room, with baseboard heaters or the existing heating system providing supplemental heat during cold snaps.\u003c\/p\u003e\u003ch3\u003eOne unit or two smaller ones: the real question\u003c\/h3\u003e\u003cp\u003eA 33,000 BTU unit blows all its air from a single point. In an open, unobstructed space, that is a strength: one unit, one condenser, one line set, and one circuit. In a home divided into enclosed rooms, heat will not travel around corners, regardless of capacity. During the assessment, we therefore compare this format honestly with two smaller units or a multi-zone solution. We recommend the 33,000 BTU model when the room is genuinely open, the heat load justifies it, and the selected wall allows the airflow to travel across the longest dimension of the space.\u003c\/p\u003e\u003cp\u003eOur starting point for sizing is approximately 18,000 BTU\/h per 1,000 square feet. We then adjust it according to the actual volume: a 16-foot ceiling contains twice as much air as an 8-foot ceiling, and heat accumulates overhead. Ceiling fans, when present, help bring that air back down in winter.\u003c\/p\u003e\u003ch3\u003eFour airflow levels for a large space\u003c\/h3\u003e\u003cp\u003eThe indoor fan offers \u003cstrong\u003e447, 530, 677, and 830 CFM\u003c\/strong\u003e. Sound levels range from \u003cstrong\u003e23 dB(A)\u003c\/strong\u003e in Silence mode to \u003cstrong\u003e56 dB(A)\u003c\/strong\u003e in Turbo mode. In a large room, the lowest setting suits quiet evenings, while the maximum setting helps circulate the air after a long absence. The vertical louver oscillates automatically; the horizontal direction is adjusted manually during commissioning according to the shape of the room.\u003c\/p\u003e\u003ch3\u003eThe $3,720 LogisVert rebate\u003c\/h3\u003e\u003cp\u003eThe system carries \u003cstrong\u003eENERGY STAR ID 3621164\u003c\/strong\u003e and qualifies for a \u003cstrong\u003e$3,720\u003c\/strong\u003e rebate for owners of existing homes, according to the LogisVert list in effect on the installation date. An enhanced rebate applies to certain multi-unit buildings. We confirm your eligibility before signing and prepare the supporting documents for your application.\u003c\/p\u003e\u003ch2\u003eA 43-pound wall unit and a 157-pound condenser: preparing for installation\u003c\/h2\u003e\u003cp\u003eThe larger the unit, the more preparation matters. Here are the elements we check before submitting a quote.\u003c\/p\u003e\u003ch3\u003eThe indoor unit wall\u003c\/h3\u003e\u003cp\u003eThe wall-mounted unit measures \u003cstrong\u003e49.57 x 11.14 x 14.25 inches\u003c\/strong\u003e and weighs 43.2 pounds. Its mounting plate must be secured to the framing, and the wall must provide enough clear width and sufficient clearance below the ceiling for air intake. A unit of this size produces a significant amount of condensate in summer: we plan its drainage from the outset, by gravity whenever possible, or with a condensate pump clearly identified in the quote.\u003c\/p\u003e\u003ch3\u003eThe outdoor unit\u003c\/h3\u003e\u003cp\u003eThe condenser measures \u003cstrong\u003e37.24 x 16.14 x 31.89 inches\u003c\/strong\u003e and weighs \u003cstrong\u003e157.0 pounds\u003c\/strong\u003e. At this weight, we prefer a ground support or stable base above the snow line. Its sound level of \u003cstrong\u003e64 dB(A)\u003c\/strong\u003e means it should be placed away from bedroom windows and neighbouring patios, a basic rule in areas where properties are close together, in \u003cstrong\u003eLaval\u003c\/strong\u003e as in \u003cstrong\u003eLongueuil\u003c\/strong\u003e. The base pan heater and anti-corrosion coating are included as standard equipment.\u003c\/p\u003e\u003ch3\u003eRefrigerant lines\u003c\/h3\u003e\u003cp\u003eThis system uses \u003cstrong\u003e3\/8- and 3\/4-inch lines\u003c\/strong\u003e. They are precharged for 25 feet and can reach \u003cstrong\u003e164 feet\u003c\/strong\u003e, with a maximum elevation difference of \u003cstrong\u003e82 feet\u003c\/strong\u003e. Beyond the precharged length, 0.32 ounces of refrigerant must be added per foot. The 3\/4-inch diameter is uncommon in existing residential installations; in most cases, we install new lines. The installation remains fully exposed, with no work inside the walls, and a finished line cover can be added.\u003c\/p\u003e\u003ch3\u003eThe electrical circuit\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e208-230 V\u003c\/strong\u003e power supply, \u003cstrong\u003e34 A MCA\u003c\/strong\u003e, and a \u003cstrong\u003e35 A circuit breaker\u003c\/strong\u003e. These are among the most demanding electrical requirements in the wall-mounted lineup. We check the capacity of the electrical service and the available space in the panel, especially in homes already heated with electricity. If an upgrade is required, we tell you before signing.\u003c\/p\u003e\u003ch3\u003eUnit features\u003c\/h3\u003e\u003cp\u003eThe wireless remote offers \u003cstrong\u003eFollow Me\u003c\/strong\u003e, which measures the temperature where you are, \u003cstrong\u003eECO\/GEAR\u003c\/strong\u003e to reduce cooling consumption, \u003cstrong\u003eSleep\u003c\/strong\u003e, \u003cstrong\u003eSilence\u003c\/strong\u003e, \u003cstrong\u003eTurbo\u003c\/strong\u003e, \u003cstrong\u003eActive Clean\u003c\/strong\u003e, and \u003cstrong\u003eGentle\u003c\/strong\u003e. Freeze protection maintains the room at 8 °C during an extended absence. Since \u003cstrong\u003eR-454B\u003c\/strong\u003e is an A2L refrigerant, the unit includes a factory-installed leak detector. Wi-Fi is not built in; DuraStar offers a separately sold Wi-Fi adapter module, and the unit is compatible with the DRSTAT101 wall thermostat.\u003c\/p\u003e\u003ch3\u003eNormal operating behaviour\u003c\/h3\u003e\u003cp\u003eIn winter, the unit periodically defrosts its outdoor coil for five to ten minutes; white vapour may then escape outdoors and heat delivery stops temporarily. After shutdown, the compressor waits three minutes before restarting. A slight hissing sound and plastic cracking noises are also normal. A burning smell, a tripped circuit breaker, or water dripping indoors requires shutting off the unit and arranging a service visit.\u003c\/p\u003e\u003ch3\u003eMaintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClean the \u003cstrong\u003eindoor filters\u003c\/strong\u003e every two weeks during the season: on an 830 CFM unit, dirty filters quickly become noticeable.\u003c\/li\u003e\n\u003cli\u003eClear snow and leaves from the condenser.\u003c\/li\u003e\n\u003cli\u003eHave annual \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e performed. Our \u003ca href=\"\/en\/pages\/services-de-nettoyage-climatiseurs-et-thermopompes-murales-grand-montreal\"\u003ewall-mounted heat pump cleaning service\u003c\/a\u003e covers the coils, drain, and connections.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy AirGreen\u003c\/h3\u003e\u003cp\u003eAirGreen is a family-owned \u003cstrong\u003eMontreal\u003c\/strong\u003e company that has been installing heat pumps for more than fifteen years in \u003cstrong\u003eLaval\u003c\/strong\u003e, \u003cstrong\u003eLongueuil\u003c\/strong\u003e, the \u003cstrong\u003eNorth Shore\u003c\/strong\u003e, and the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e. We hold RBQ licences in ventilation, refrigeration, and electrical work, as well as \u003cstrong\u003e$5,000,000\u003c\/strong\u003e in liability insurance. Our \u003ca href=\"\/en\/blogs\/nos-realisations\"\u003eprojects\u003c\/a\u003e show the type of installation we deliver.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRequest your free estimate for the DURASTAR Sirius Heat Wall-Mounted Heat Pump | 33,000 BTU - R454B: we measure the volume to be heated, compare the options, and confirm your $3,720 LogisVert rebate in writing.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Durastar","offers":[{"title":"Default Title","offer_id":56308943880484,"sku":"DRA1H33S2A","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_MURALE_DURASTAR_SIRIUS_HEAT_33000_BTU_R454B_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_91c0a61a-2d11-417e-ad8c-0eaf93c96f50.png?v=1789646354"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/collections\/THERMOPOMPE_MURALE_DURASTAR_SIRIUS_HEAT_R454B_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1790023653","url":"https:\/\/airgreen.ca\/en\/collections\/thermopompe-murale-durastar-sirius-heat-r454b-montreal-laval-rive-sud-nord.oembed","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}