{"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","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-murale-durastar-sirius-heat-9000-btu-r454b","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}