{"product_id":"thermopompe-murale-arcoaire-performance-9000-btu-r454b","title":"Wall-Mounted Heat Pump ARCOAIRE Performance | 9,000 BTU - R454B","description":"\u003ch2\u003eA finished basement you want to use all year round\u003c\/h2\u003e\n\u003cp\u003eA finished basement has moods of its own: cool and damp in summer, cold underfoot in winter, often forgotten by the heating system that serves the rest of the house. Whether it is a playroom, a guest room, an office or a home theatre, the \u003cstrong\u003eWall-Mounted Heat Pump ARCOAIRE Performance | 9,000 BTU - R454B\u003c\/strong\u003e gives that room its own comfort, set independently from the floors above.\u003c\/p\u003e\n\u003cp\u003eIts certified ratings are \u003cstrong\u003e21.7 SEER2\u003c\/strong\u003e, \u003cstrong\u003e12.6 EER2\u003c\/strong\u003e and \u003cstrong\u003e9.4 HSPF2\u003c\/strong\u003e. The system is \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e certified with the \u003cstrong\u003ecold-climate designation\u003c\/strong\u003e under \u003cstrong\u003eENERGY STAR ID 3624490\u003c\/strong\u003e. It runs on \u003cstrong\u003eR-454B\u003c\/strong\u003e refrigerant and carries the Performance range warranty, described below.\u003c\/p\u003e\n\u003ch3\u003eThe basement, a room that does not behave like the others\u003c\/h3\u003e\n\u003cp\u003eFoundation walls are partly below ground: the soil keeps the basement cooler than the main floor in summer, but it also maintains a humidity that settles into carpets, upholstered furniture and storage boxes. In winter, the concrete slab chills the floor, and warm air rising to the upper floors leaves the room behind. Electric baseboards warm the air along the walls without dealing with the humidity or the feeling of a cold room.\u003c\/p\u003e\n\u003cp\u003eA nominal capacity of \u003cstrong\u003e9,000 BTU\/h\u003c\/strong\u003e suits a closed basement room of ordinary size, or a finished part of a larger basement when the door can be closed. If the open area spans the whole level, with an open staircase to the main floor, we check it during the visit: a larger size will then be more appropriate.\u003c\/p\u003e\n\u003cp\u003eHow the room is used also guides the choice. In a home theatre, you want a discreet unit that holds the temperature without an abrupt restart during a movie; in a guest room, a space that warms up quickly when visitors arrive; in an office, dry, steady air from morning to evening. The variable-speed compressor meets all three needs with the same principle: it adjusts its speed instead of stopping and starting again.\u003c\/p\u003e\n\u003ch3\u003eDehumidify first, cool second\u003c\/h3\u003e\n\u003cp\u003eIn a basement, \u003cstrong\u003ecooling\u003c\/strong\u003e is often less about lowering the temperature than about drying the air. This is where variable speed makes a real difference. By running long at low speed, the indoor coil stays cold and condenses the room's moisture, which drains away. You get continuous \u003cstrong\u003edehumidification\u003c\/strong\u003e without turning the room into a cold storage space.\u003c\/p\u003e\n\u003cp\u003eThe nominal cooling capacity is \u003cstrong\u003e9,000 BTU\/h\u003c\/strong\u003e, and the \u003cstrong\u003e12.6 EER2\u003c\/strong\u003e rating reflects efficiency on a hot day. In very damp basements, the heat pump does not always replace a dedicated dehumidifier during periods when no cooling is needed, but it clearly reduces its use throughout the summer.\u003c\/p\u003e\n\u003ch3\u003eWinter heating, certified figures\u003c\/h3\u003e\n\u003cp\u003eThe certificate lists \u003cstrong\u003e8,000 BTU\/h at -8 °C\u003c\/strong\u003e (17 °F), about 89% of nominal capacity, with a \u003cstrong\u003eCOP of 2.30\u003c\/strong\u003e, and \u003cstrong\u003e7,000 BTU\/h at -15 °C\u003c\/strong\u003e (5 °F), about 78%, with a \u003cstrong\u003eCOP of 1.99\u003c\/strong\u003e. The two points are measured separately; we report each one as published.\u003c\/p\u003e\n\u003cp\u003eThe basement has one advantage in winter: the earth around the foundation softens the deep cold, and the room loses its heat more slowly than an upstairs bedroom. The heat pump can therefore handle most of its heating over the season. Aim the louvres downward: warm air is sent toward the slab, where the cold is felt the most. The existing baseboards can stay as backup, set a few degrees lower.\u003c\/p\u003e\n\u003ch3\u003eWhat the Performance ratings mean\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e21.7 SEER2\u003c\/strong\u003e: cooling efficiency over the whole summer. The higher it is, the less each hour of cooling costs in electricity.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e12.6 EER2\u003c\/strong\u003e: efficiency at the peak of the heat, when demand is highest.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e9.4 HSPF2\u003c\/strong\u003e: heating efficiency over the whole season, the rating that most influences the winter bill.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCOP of 2.30 at -8 °C and 1.99 at -15 °C\u003c\/strong\u003e: the heat delivered for each unit of electricity consumed. An electric baseboard is limited to one unit of heat per unit of electricity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese figures come from certificate \u003cstrong\u003eAHRI 215413219\u003c\/strong\u003e, published by NEEP. The ENERGY STAR \u003cstrong\u003ecold-climate designation\u003c\/strong\u003e confirms that the pairing was evaluated for winters like ours.\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 winter, the refrigerant draws energy from the outdoor air and delivers it inside; in summer, the cycle reverses. The \u003cstrong\u003evariable-speed compressor\u003c\/strong\u003e modulates this transfer continuously: it speeds up when the room drifts from the set point and slows down as soon as it gets close, without the stops and restarts that create temperature swings.\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. Classified A2L, it calls for precise installation methods that we apply systematically.\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\u003eBasement installation, step by step\u003c\/h2\u003e\n\u003ch3\u003eGoing through at the right spot\u003c\/h3\u003e\n\u003cp\u003eIn a basement, the line route is planned carefully. When possible, we go through the rim joist, above the foundation concrete, rather than drilling the foundation wall itself. The \u003cstrong\u003erefrigerant lines\u003c\/strong\u003e, the communication cable and the drain pass through a single opening, sealed inside and out. The indoor unit is mounted securely up high, taking the ceiling height and beams into account, so the airflow covers the room.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit is often right next to the exit point, along the foundation. We avoid basement window wells, which collect snow and water, as well as spots where rainwater runs off the roof. The line cover then follows the wall to the unit for a clean finish.\u003c\/p\u003e\n\u003ch3\u003eThe drain: gravity or condensate pump\u003c\/h3\u003e\n\u003cp\u003eCondensate must drain at all times. When the head is installed above outdoor ground level, a slope is enough for the drain to flow out by gravity. When it sits lower, or no direct route is possible, we install a \u003cstrong\u003econdensate pump\u003c\/strong\u003e that carries the water to a floor drain or outside. We explain the chosen solution during the visit, before the quote.\u003c\/p\u003e\n\u003ch3\u003eOutdoor unit, electrical and commissioning\u003c\/h3\u003e\n\u003cp\u003eThe outdoor unit goes on a ground or wall stand, \u003cstrong\u003eabove the snow line\u003c\/strong\u003e, away from bedroom windows, including the neighbours', and sheltered from snow sliding off roofs. The system needs a \u003cstrong\u003ededicated circuit\u003c\/strong\u003e: we check the capacity of the panel, often located in the same basement, during the visit. At \u003cstrong\u003ecommissioning\u003c\/strong\u003e, the circuit is evacuated and checked for tightness, then we test heating, cooling and condensate drainage.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eRinse the indoor filters every two weeks in season; in a basement, dust from storage and the laundry room settles on them quickly. 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. If a condensate pump is installed, it is part of the check. 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\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003eThis Performance range pairing is covered by the following warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 years on the compressor, 10 years on parts and 6 years on labor.\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 Performance | 9,000 BTU - R454B. We visit your basement, plan the line and drain route, and confirm the right size before signing.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Arcoaire","offers":[{"title":"Default Title","offer_id":67797431157028,"sku":"D5CERAH09AAK","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MURALE_ARCOAIRE_PERFORMANCE_9000_BTU_R454B_00_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD.png?v=1793082571","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-murale-arcoaire-performance-9000-btu-r454b","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}