{"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","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-murale-durastar-sirius-heat-33000-btu-r454b","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}