{"product_id":"thermopompe-murale-arcoaire-16-8-seer-12000-btu-r454b","title":"Wall-Mounted Heat Pump ARCOAIRE 16.8 SEER | 12,000 BTU - R454B","description":"\u003ch2\u003eA cool living room all summer, and baseboards that heat less the rest of the year\u003c\/h2\u003e\n\u003cp\u003eFor many owners, the starting point is simple: get rid of the window air conditioner, get the view back and sleep cool during heat waves. If the same wall head can also heat the living room in spring and fall, those are hours when the baseboards stay off. The \u003cstrong\u003eWall-Mounted Heat Pump ARCOAIRE 16.8 SEER | 12,000 BTU - R454B\u003c\/strong\u003e meets that need, with an honest approach to what it does in the dead of winter.\u003c\/p\u003e\n\u003cp\u003eIts certified ratings are \u003cstrong\u003e18.0 SEER2\u003c\/strong\u003e, \u003cstrong\u003e8.8 EER2\u003c\/strong\u003e and \u003cstrong\u003e8.8 HSPF2\u003c\/strong\u003e. It runs on \u003cstrong\u003eR-454B\u003c\/strong\u003e refrigerant and its \u003cstrong\u003evariable-speed compressor\u003c\/strong\u003e adjusts its output continuously. The series name mentions 16.8 SEER; to compare units, we rely on the SEER2 ratings on the certificate.\u003c\/p\u003e\n\u003ch3\u003eA unit designed for summer first\u003c\/h3\u003e\n\u003cp\u003eIn \u003cstrong\u003ecooling\u003c\/strong\u003e mode, the nominal capacity is \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e, which typically suits a spacious living room, an open living-kitchen area or a small, well-insulated home. Unlike a window air conditioner, the compressor stays outside, the window closes normally and the wall head spreads cool air up high, across the whole room.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSEER2\u003c\/strong\u003e rating of 18.0 describes average efficiency over the whole cooling season; the \u003cstrong\u003eEER2\u003c\/strong\u003e rating of 8.8 describes efficiency at the hottest moment. Because the compressor slows down as soon as the room approaches the set point, the unit spends most of the summer at low speed, where it uses the least.\u003c\/p\u003e\n\u003ch3\u003eJuly humidity\u003c\/h3\u003e\n\u003cp\u003eIn the \u003cstrong\u003eMontreal\u003c\/strong\u003e area, the humidity of summer days weighs as much as the heat. A properly sized variable-speed heat pump runs long at low speed: the indoor coil stays cold, water vapour in the air condenses on it and drains away. This continuous \u003cstrong\u003edehumidification\u003c\/strong\u003e makes the living room comfortable at a reasonable set point, without muggy air or a damp chill.\u003c\/p\u003e\n\u003cp\u003eThat is also why we advise against choosing bigger than necessary. An oversized unit cools very quickly, stops, then starts again: the air is cold but stays loaded with moisture.\u003c\/p\u003e\n\u003ch3\u003eSpring and fall without turning on the baseboards\u003c\/h3\u003e\n\u003cp\u003eBetween the end of the cooling season and the first real cold, there are long weeks of cool nights and mild days. That is when a heat pump is most efficient in heating: the temperature difference between outside and inside is small, and the compressor works effortlessly. Rather than turning on the baseboards in September, the wall head heats the living room throughout this period.\u003c\/p\u003e\n\u003cp\u003eThe same reasoning applies to cool May mornings or rainy October evenings: a steady set point on the heat pump is enough, and the house no longer swings from chilly to the dry heat of baseboards. Over a full year, these transition weeks account for a large share of heating hours, and that is when the heat pump works at its best efficiency.\u003c\/p\u003e\n\u003ch3\u003eWinter: what the certificate publishes\u003c\/h3\u003e\n\u003cp\u003eThe certificate lists \u003cstrong\u003e8,000 BTU\/h at -8 °C\u003c\/strong\u003e (17 °F), about 67% of nominal capacity, with a \u003cstrong\u003eCOP of 2.58\u003c\/strong\u003e, and \u003cstrong\u003e7,000 BTU\/h at -15 °C\u003c\/strong\u003e (5 °F), about 58%, with a \u003cstrong\u003eCOP of 2.21\u003c\/strong\u003e. The two points are measured separately; we report each one as published.\u003c\/p\u003e\n\u003cp\u003eThese figures are clear: at these temperatures, the heat pump still heats with very good efficiency, but its capacity no longer covers the full demand of a living room in the middle of January. The baseboards therefore stay in place. The recommended setting is simple: the heat pump holds the main set point, and the baseboard thermostats are set a few degrees lower. They switch on by themselves when the heat pump needs help, and stay off the rest of the time.\u003c\/p\u003e\n\u003ch3\u003eWhich rooms it suits\u003c\/h3\u003e\n\u003cp\u003eA living room, a large bedroom or a well-insulated small apartment: that is this size's territory. The head installed in the main room also cools the neighbouring rooms whose doors stay open. A closed bedroom, on the other hand, does not benefit from the living room's cool air; if you want to cool it, a dedicated head or a multi-zone configuration will be better suited. We tell you during the visit.\u003c\/p\u003e\n\u003ch3\u003eInverter and R-454B refrigerant\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003ewall-mounted heat pump\u003c\/strong\u003e moves heat instead of producing it. In summer, it captures the living room's heat and rejects it outside; in winter, it does the reverse. \u003cstrong\u003eInverter\u003c\/strong\u003e technology varies the compressor's speed instead of running all-or-nothing, which stabilizes the temperature and limits starts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eR-454B\u003c\/strong\u003e is the new-generation refrigerant, with a much lower global warming potential than the previous generation. It is classified A2L and calls for precise installation methods, which we apply on every job.\u003c\/p\u003e\n\u003ch3\u003eThe ratings, plainly\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2 of 18.0\u003c\/strong\u003e: cooling efficiency over the whole season.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2 of 8.8\u003c\/strong\u003e: cooling efficiency at the hottest point.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2 of 8.8\u003c\/strong\u003e: heating efficiency over a full season.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCOP of 2.58 at -8 °C and 2.21 at -15 °C\u003c\/strong\u003e: the heat delivered for each unit of electricity, while an electric baseboard delivers one for one.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese figures come from certificate \u003cstrong\u003eAHRI 215324156\u003c\/strong\u003e, published by NEEP.\u003c\/p\u003e\n\u003ch3\u003eLogisVert\u003c\/h3\u003e\n\u003cp\u003eThis pairing does not carry an amount on Hydro-Québec's \u003cstrong\u003eLogisVert\u003c\/strong\u003e list of October 19, 2026. If the grant matters for your project, we will point you to an eligible pairing of comparable size.\u003c\/p\u003e\n\u003ch2\u003eInstallation, step by step\u003c\/h2\u003e\n\u003ch3\u003eVisit and location\u003c\/h3\u003e\n\u003cp\u003eThe visit is free. We measure the room, look at the windows and orientation, then run a \u003cstrong\u003eload calculation\u003c\/strong\u003e. The wall head is secured to the framing, up high, on a wall that lets cool air cover the living room and reach the open rooms, with a drainage slope for condensate. The outdoor unit goes on a ground or wall stand, \u003cstrong\u003eabove the snow line\u003c\/strong\u003e, away from bedroom windows, including the neighbours'.\u003c\/p\u003e\n\u003cp\u003eFor a west-facing or heavily glazed living room, we factor it into the calculation: it is often the afternoon sun's heat that determines the cooling capacity needed, far more than the room's floor area.\u003c\/p\u003e\n\u003ch3\u003eLines, electrical and commissioning\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003erefrigerant lines\u003c\/strong\u003e, the communication cable and the drain go through a single opening, sealed on both sides, and a line cover can finish the run. The system needs a \u003cstrong\u003ededicated circuit\u003c\/strong\u003e: we check the panel capacity during the visit. At \u003cstrong\u003ecommissioning\u003c\/strong\u003e, the circuit is evacuated and checked for tightness, then we test cooling, heating and drain flow, and set the baseboards to work as backup.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eA unit that does a lot of cooling collects dust and moisture in the indoor coil. Before summer, also check that drain water flows freely outside: a blocked drain can make the wall head drip. Rinse the indoor filters every two weeks in season, keep the outdoor unit clear of snow and leaves, and plan annual \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e of the coils, drain and electrical connections. In winter, white vapour during defrost and a short pause in heating are normal. Our \u003ca href=\"\/en\/pages\/services-de-nettoyage-climatiseurs-et-thermopompes-murales-grand-montreal\"\u003ecleaning service\u003c\/a\u003e takes over when you prefer to hand off the annual visit.\u003c\/p\u003e\n\u003ch3\u003eAirGreen, for the life of the installation\u003c\/h3\u003e\n\u003cp\u003eA family business active for more than fifteen years 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, we hold RBQ licences for ventilation, refrigeration and electrical work and carry \u003cstrong\u003e$5,000,000\u003c\/strong\u003e in liability insurance. The in-home assessment is free, the quote is in writing, and our \u003ca href=\"\/en\/pages\/financement-avec-financeit\"\u003efinancing options\u003c\/a\u003e let you choose the right unit rather than the cheapest one.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRequest your free estimate for the Wall-Mounted Heat Pump ARCOAIRE 16.8 SEER | 12,000 BTU - R454B. We assess your living room, confirm the right size and explain how the heat pump and your baseboards will share the winter.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Arcoaire","offers":[{"title":"Default Title","offer_id":67797449081124,"sku":"D5CVRAH12AAK","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MURALE_ARCOAIRE_16_8_SEER_D5FVHA_12000_BTU_R454B_00_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD.png?v=1793082571","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-murale-arcoaire-16-8-seer-12000-btu-r454b","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}