{"title":"CONFORTO Wall-Mounted Heat Pump","description":null,"products":[{"product_id":"thermopompe-murale-conforto-mhwal-9000-btu-r410a","title":"Wall-Mounted Heat Pump CONFORTO MHWAL | 9,000 BTU - R410A","description":"\u003ch2\u003eAn upstairs bedroom that stays cool when the roof heats up\u003c\/h2\u003e\n\u003cp\u003eOn the top floor, summer heat builds up: the sun heats the roof all day, warm air from the house rises, and the bedroom is still stifling long after sunset. The \u003cstrong\u003eWall-Mounted Heat Pump CONFORTO MHWAL | 9,000 BTU - R410A\u003c\/strong\u003e is a solid choice for this room: a size suited to a closed bedroom, and high cooling ratings, measured and published.\u003c\/p\u003e\n\u003cp\u003eIts certified ratings are \u003cstrong\u003e28.1 SEER2\u003c\/strong\u003e, \u003cstrong\u003e16.2 EER2\u003c\/strong\u003e and \u003cstrong\u003e11.5 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 2495124\u003c\/strong\u003e. Summer and winter, the same wall head conditions the room.\u003c\/p\u003e\n\u003ch3\u003eThe top floor, where heat builds up\u003c\/h3\u003e\n\u003cp\u003eA bedroom under the eaves or on the second floor of a cottage receives heat from above. If the roof insulation is thin or the room has sloped walls, the ceiling stays warm until late in the evening. Fans stir this air without cooling it, and a window air conditioner blocks the view and lets warm air in around the frame.\u003c\/p\u003e\n\u003cp\u003eA nominal capacity of \u003cstrong\u003e9,000 BTU\/h\u003c\/strong\u003e suits an upstairs bedroom of ordinary size. When the room has a lot of glass, faces west or has weak roof insulation, we check it with a load calculation: the heat coming through the roof can justify a larger size. We do not oversize on principle, because a unit that is too big cools quickly, stops and leaves the humidity in the room.\u003c\/p\u003e\n\u003ch3\u003eA 16.2 EER2 rating for heat-wave days\u003c\/h3\u003e\n\u003cp\u003eIn \u003cstrong\u003ecooling\u003c\/strong\u003e mode, the nominal capacity is \u003cstrong\u003e9,000 BTU\/h\u003c\/strong\u003e. The \u003cstrong\u003eEER2\u003c\/strong\u003e rating measures efficiency at the most demanding moment: a hot day, when the unit works hardest. At \u003cstrong\u003e16.2 EER2\u003c\/strong\u003e, this pairing stays efficient precisely during heat waves, when a bedroom under the roof needs it most.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSEER2\u003c\/strong\u003e rating describes efficiency over the whole summer, mild days included. At \u003cstrong\u003e28.1 SEER2\u003c\/strong\u003e, cooling this room takes little electricity for each hour of comfort, from June to September.\u003c\/p\u003e\n\u003ch3\u003eHumidity, the other half of summer comfort\u003c\/h3\u003e\n\u003cp\u003eA bedroom that is cool but humid is still unpleasant: the sheets stick, the air feels heavy. The heat pump's \u003cstrong\u003evariable-speed compressor\u003c\/strong\u003e addresses this by running long at low speed once the room reaches the set point. The indoor coil stays cold, moisture from the air condenses on it and drains away. This continuous \u003cstrong\u003edehumidification\u003c\/strong\u003e lets you sleep comfortably without setting the temperature too low.\u003c\/p\u003e\n\u003cp\u003eA few habits help too. Close the blinds on the sunny side during the day, and let the heat pump hold a steady set point rather than turning it off in the morning and restarting it at full power in the evening. A room under the roof that has heated up all day stores heat in its walls and ceiling; it is easier to keep it cool than to cool it all at once at bedtime.\u003c\/p\u003e\n\u003ch3\u003eWhere to place the head in a room under the eaves\u003c\/h3\u003e\n\u003cp\u003eUpstairs bedrooms often have low walls, sloped ceilings or dormers. The wall head must be installed on a wall high enough for the airflow to cover the room without aiming directly at the bed. We favour an interior wall or a gable wall, with enough clearance above the unit for air return. The louvres are then set upward in cooling, so the cool air settles naturally throughout the room.\u003c\/p\u003e\n\u003ch3\u003eWinter, certified figures\u003c\/h3\u003e\n\u003cp\u003eThe same bedroom is often cold in winter. The certificate lists \u003cstrong\u003e9,500 BTU\/h at -8 °C\u003c\/strong\u003e (17 °F), about 106% of nominal capacity, with a \u003cstrong\u003eCOP of 2.53\u003c\/strong\u003e, and \u003cstrong\u003e10,600 BTU\/h at -15 °C\u003c\/strong\u003e (5 °F), about 118%, with a \u003cstrong\u003eCOP of 2.00\u003c\/strong\u003e. The two points are measured separately; we report each one as published.\u003c\/p\u003e\n\u003cp\u003eIn practice, at these temperatures the heat pump delivers at least as much heat as its nominal capacity, which makes it a true primary heat source for a well-insulated bedroom for most of the winter. The existing baseboard can stay in place as backup, set a few degrees below the set point. The ENERGY STAR \u003cstrong\u003ecold-climate designation\u003c\/strong\u003e confirms that the pairing was evaluated for cold winters.\u003c\/p\u003e\n\u003ch3\u003eThe technology: inverter and R-410A\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003ewall-mounted heat pump\u003c\/strong\u003e moves heat: in winter, it draws it from the outdoor air and delivers it to the bedroom; in summer, it does the reverse. \u003cstrong\u003eInverter\u003c\/strong\u003e technology lets the compressor change speed instead of running all-or-nothing, which stabilizes the temperature and reduces consumption. The circuit uses \u003cstrong\u003eR-410A\u003c\/strong\u003e refrigerant, proven over many years and well known to refrigeration technicians.\u003c\/p\u003e\n\u003cp\u003eIn practical terms, R-410A means straightforward service: technicians have the tools, procedures and common parts for this refrigerant, which makes maintenance and any repairs easier throughout the life of the unit.\u003c\/p\u003e\n\u003ch3\u003eWhat 28.1 SEER2 and 11.5 HSPF2 are worth\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2 of 28.1\u003c\/strong\u003e: seasonal cooling efficiency. This is the rating that sums up the cost of a summer of comfort.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2 of 16.2\u003c\/strong\u003e: cooling efficiency at the peak of the heat.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2 of 11.5\u003c\/strong\u003e: seasonal heating efficiency, decisive for the winter bill in Quebec.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCOP of 2.53 at -8 °C and 2.00 at -15 °C\u003c\/strong\u003e: heat delivered per unit of electricity, where an electric baseboard delivers one.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese figures come from certificate \u003cstrong\u003eAHRI 210605802\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 by AirGreen, from the roofline to the panel\u003c\/h2\u003e\n\u003ch3\u003eVisit and load calculation\u003c\/h3\u003e\n\u003cp\u003eDuring the visit, we look at what makes the room hot: orientation, glass area, dormers, insulation of the roof and sloped walls. The \u003cstrong\u003eload calculation\u003c\/strong\u003e confirms the size before the quote. We also choose with you the wall for the head and the location of the outdoor unit, taking into account the line route from the upper floor.\u003c\/p\u003e\n\u003cp\u003eWhen the house has several upstairs bedrooms, we discuss it frankly: a head in one bedroom will not cool the neighbouring rooms whose doors stay closed. Depending on the case, we present a head per bedroom or a multi-zone solution, and you choose knowing the trade-offs.\u003c\/p\u003e\n\u003ch3\u003eLines, drain and outdoor unit\u003c\/h3\u003e\n\u003cp\u003eFrom an upper floor, the \u003cstrong\u003erefrigerant lines\u003c\/strong\u003e, the communication cable and the drain exit through a single opening, sealed on both sides, then run down the exterior wall in a line cover that gives a clean, protected route. The drain follows a continuous slope to the ground, away from doors and walkways. 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\u003ch3\u003eElectrical, commissioning and maintenance\u003c\/h3\u003e\n\u003cp\u003eThe 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 both modes and drain flow. After that, 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 CONFORTO MHWAL | 9,000 BTU - R410A. We assess your upstairs bedroom, confirm the right size and give you a written quote before signing.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Conforto","offers":[{"title":"Default Title","offer_id":67797431386404,"sku":"MHSZ109DACFC","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MURALE_CONFORTO_MAXIMUM_MHWAL_9000_BTU_R410A_00_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD.png?v=1793082571"},{"product_id":"thermopompe-murale-conforto-mhwal-12000-btu-r410a","title":"Wall-Mounted Heat Pump CONFORTO MHWAL | 12,000 BTU - R410A","description":"\u003ch2\u003eA comfortable living and dining room, without relying on baseboards\u003c\/h2\u003e\n\u003cp\u003eOn the ground floor of a cottage or a semi-detached house, the living room and dining room are where you spend your evenings. They are also the rooms where the baseboards run the most in winter and where the heat is felt the most in summer. The \u003cstrong\u003eWall-Mounted Heat Pump CONFORTO MHWAL | 12,000 BTU - R410A\u003c\/strong\u003e takes care of these daytime rooms with a single wall head, in heating as well as \u003cstrong\u003ecooling\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts certified ratings are \u003cstrong\u003e25.5 SEER2\u003c\/strong\u003e, \u003cstrong\u003e14.0 EER2\u003c\/strong\u003e and \u003cstrong\u003e10.4 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 2495084\u003c\/strong\u003e. It qualifies for a \u003cstrong\u003e$1,200 LogisVert grant\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eThe daytime rooms of a house\u003c\/h3\u003e\n\u003cp\u003eA nominal capacity of \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e typically suits a living room and dining room that open onto each other, or a spacious living room with an office corner. In a multi-storey house, this head covers the ground-floor living areas, while the upstairs bedrooms keep their baseboards or get their own heads later. It is a way to start with the rooms that matter most for the bill and for comfort. If you plan to add heads upstairs later, tell us at the first visit: it can influence the location of the outdoor unit and the line route.\u003c\/p\u003e\n\u003cp\u003eThe calculation still depends on the house. A large picture window, an open staircase that lets heat rise, a kitchen without a partition or older insulation can change the result. We run a load calculation during the visit and tell you whether this size covers the space well or whether another configuration would be better.\u003c\/p\u003e\n\u003ch3\u003eAt -15 °C, the full nominal capacity\u003c\/h3\u003e\n\u003cp\u003eThe certificate lists \u003cstrong\u003e10,000 BTU\/h at -8 °C\u003c\/strong\u003e (17 °F), about 83% of nominal capacity, with a \u003cstrong\u003eCOP of 2.40\u003c\/strong\u003e, and \u003cstrong\u003e12,000 BTU\/h at -15 °C\u003c\/strong\u003e (5 °F), about 100%, with a \u003cstrong\u003eCOP of 1.80\u003c\/strong\u003e. The two points are measured separately; we report each one as published, even though the -15 °C value is higher than the -8 °C value.\u003c\/p\u003e\n\u003cp\u003eWhat these figures say is that the \u003cstrong\u003evariable-speed compressor\u003c\/strong\u003e can deliver its full nominal capacity in January cold. For the daytime rooms of a well-insulated house, the heat pump becomes the main heat source; the baseboards, set a few degrees lower, only serve as backup during cold peaks. The ENERGY STAR \u003cstrong\u003ecold-climate designation\u003c\/strong\u003e confirms that the pairing was evaluated for this climate.\u003c\/p\u003e\n\u003ch3\u003eHeat that feels different\u003c\/h3\u003e\n\u003cp\u003eA baseboard heats the air under the window; the warm air rises to the ceiling and comes down slowly. You often end up with a warm ceiling and cold feet. The \u003cstrong\u003ewall-mounted heat pump\u003c\/strong\u003e circulates the air of the whole room at low airflow: heat is spread more evenly, and the compressor adjusts its speed continuously instead of switching on and off. In the evening, when you sit for a long time in front of the TV or at the table, this stability makes a clear difference.\u003c\/p\u003e\n\u003ch3\u003eThe $1,200 LogisVert grant\u003c\/h3\u003e\n\u003cp\u003eThe system is listed in Hydro-Québec's \u003cstrong\u003eLogisVert\u003c\/strong\u003e program, with \u003cstrong\u003e$1,200\u003c\/strong\u003e for the owner of an existing home, according to the list in effect on the installation date. We confirm eligibility before signing and prepare the detailed invoice, model numbers and proof of payment. Our page on the \u003ca href=\"\/en\/pages\/subvention-thermopompes-efficaces-dhydro-quebec\"\u003eefficient heat pump grant\u003c\/a\u003e summarizes the program's conditions.\u003c\/p\u003e\n\u003ch3\u003eSummer on the ground floor\u003c\/h3\u003e\n\u003cp\u003eIn \u003cstrong\u003ecooling\u003c\/strong\u003e mode, the nominal capacity is \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e. The \u003cstrong\u003e14.0 EER2\u003c\/strong\u003e rating measures efficiency on a hot day, when the late-afternoon sun comes through the living-room windows and the kitchen adds its heat at dinnertime. The SEER2 rating, for its part, sums up efficiency over the whole season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDehumidification\u003c\/strong\u003e is part of summer comfort. At low speed, the indoor coil stays cold long enough to condense moisture from the air, which drains away. The living room stays pleasant at a reasonable set point, with no muggy air and no icy draft.\u003c\/p\u003e\n\u003ch3\u003eInverter and R-410A refrigerant\u003c\/h3\u003e\n\u003cp\u003eThe heat pump moves heat: in winter, it draws it from the outdoor air; in summer, it rejects the house's heat outside. \u003cstrong\u003eInverter\u003c\/strong\u003e technology varies the compressor's speed to follow demand, instead of running all-or-nothing. The circuit uses \u003cstrong\u003eR-410A\u003c\/strong\u003e refrigerant, in use for many years and well known to refrigeration technicians; service and common parts are easy to obtain.\u003c\/p\u003e\n\u003cp\u003eIn cold, humid weather, frost forms on the outdoor coil. The heat pump then starts a short defrost cycle: heating pauses for a few minutes, a cloud of white vapour may rise from the outdoor unit, then everything resumes normally.\u003c\/p\u003e\n\u003ch3\u003eWhat SEER2, EER2, HSPF2 and COP measure\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2 of 25.5\u003c\/strong\u003e: cooling efficiency over the whole summer.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2 of 14.0\u003c\/strong\u003e: cooling efficiency at the hottest point.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2 of 10.4\u003c\/strong\u003e: heating efficiency over the whole season, the one that matters most in Quebec.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCOP of 2.40 at -8 °C and 1.80 at -15 °C\u003c\/strong\u003e: heat delivered per unit of electricity, compared with one for one for an electric baseboard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese figures come from certificate \u003cstrong\u003eAHRI 210605803\u003c\/strong\u003e, published by NEEP.\u003c\/p\u003e\n\u003ch2\u003eInstallation, step by step\u003c\/h2\u003e\n\u003ch3\u003eChoosing the wall for the head\u003c\/h3\u003e\n\u003cp\u003eIn a multi-storey house, the head's location is decided with the staircase in mind. Warm air rises: a head placed too close to the stairwell sends part of its heat upstairs. Cold air falls: in summer, the upper floor gets little benefit from ground-floor cooling. So we choose a wall that covers the living and dining rooms, up high, secured to the framing with a drainage slope for condensate.\u003c\/p\u003e\n\u003cp\u003eFurniture matters too. We avoid placing the head above a TV, a fireplace or a heat source that would skew the temperature reading, and we leave enough clearance at the ceiling for air return. The airflow should pass above the sofa and the table, not directly on the people sitting there.\u003c\/p\u003e\n\u003ch3\u003eThe outdoor unit and the line route\u003c\/h3\u003e\n\u003cp\u003eThe outdoor unit goes on a ground or wall stand, \u003cstrong\u003eabove the snow line\u003c\/strong\u003e, often on the side or at the back of the house, away from bedroom windows, including the neighbours'. We avoid spots where snow slides off the roof and passages where defrost water could freeze. The \u003cstrong\u003erefrigerant lines\u003c\/strong\u003e, the cable and the drain go through a single sealed opening, and a line cover can finish the run.\u003c\/p\u003e\n\u003ch3\u003eDedicated circuit and commissioning\u003c\/h3\u003e\n\u003cp\u003eThe 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 heating, cooling and the drain. We also set the baseboard thermostats with you so they stay as backup.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eRinse 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 CONFORTO MHWAL | 12,000 BTU - R410A. We assess your daytime rooms and confirm the right size and your grant eligibility before signing.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Conforto","offers":[{"title":"Default Title","offer_id":67797437841700,"sku":"MHSZ112DACFC","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MURALE_CONFORTO_MAXIMUM_MHWAL_12000_BTU_R410A_00_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD.png?v=1793082571"},{"product_id":"thermopompe-murale-conforto-mhwal-18000-btu-r410a","title":"Wall-Mounted Heat Pump CONFORTO MHWAL | 18,000 BTU - R410A","description":"\u003ch2\u003eA bright living area that stays comfortable in front of its big windows\u003c\/h2\u003e\n\u003cp\u003eRecent condos and renovated houses often have one thing in common: a large living area open to the kitchen, with floor-to-ceiling windows or a wide patio door. The light is superb, but comfort lags behind: in summer, the sun turns the room into a greenhouse; in winter, the cold glass creates a feeling of draft even when the thermostat shows the right temperature. The \u003cstrong\u003eWall-Mounted Heat Pump CONFORTO MHWAL | 18,000 BTU - R410A\u003c\/strong\u003e handles both seasons with a single wall head.\u003c\/p\u003e\n\u003cp\u003eIts certified ratings are \u003cstrong\u003e21.5 SEER2\u003c\/strong\u003e, \u003cstrong\u003e12.5 EER2\u003c\/strong\u003e and \u003cstrong\u003e11.3 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 2495133\u003c\/strong\u003e. It qualifies for a \u003cstrong\u003e$1,800 LogisVert grant\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eGlass, friend of light and foe of comfort\u003c\/h3\u003e\n\u003cp\u003eA large glass area lets in a lot of solar heat, especially facing south and west, and lets a lot of it escape in winter, even with high-performance glazing. These two effects often dominate the load calculation of a modern living area, far more than its floor area. That is why two rooms of the same size can need very different capacities.\u003c\/p\u003e\n\u003cp\u003eA nominal capacity of \u003cstrong\u003e18,000 BTU\/h\u003c\/strong\u003e typically suits a good-sized open living area, with an adjoining kitchen and generous windows, in a condo or a well-insulated house. For a room fully glazed on two sides, we check during the visit whether this size is enough or whether the load should be split differently.\u003c\/p\u003e\n\u003ch3\u003eCooling: the afternoon sun\u003c\/h3\u003e\n\u003cp\u003eIn \u003cstrong\u003ecooling\u003c\/strong\u003e mode, the nominal capacity is \u003cstrong\u003e18,000 BTU\/h\u003c\/strong\u003e. The \u003cstrong\u003e12.5 EER2\u003c\/strong\u003e rating measures efficiency at the most demanding moment, when the late-day sun hits the glass directly; the SEER2 rating of 21.5 sums up efficiency over the whole season. The \u003cstrong\u003evariable-speed compressor\u003c\/strong\u003e follows the sun: it speeds up as the load rises and slows down in the evening, smoothly.\u003c\/p\u003e\n\u003cp\u003eBlinds or thermal curtains on the sunny side greatly reduce the heat to fight. The heat pump handles the rest, and its continuous \u003cstrong\u003edehumidification\u003c\/strong\u003e, running at low speed, avoids the heavy air often felt in large glassed-in spaces in July.\u003c\/p\u003e\n\u003ch3\u003eThe cold-surface effect in winter\u003c\/h3\u003e\n\u003cp\u003eIn front of a large window, you can feel cold even in a room at the right temperature: the body loses heat toward the cold glass surface, and air cooled against the pane flows down along the floor. A baseboard under the window partly compensates, but it mostly heats air that rises to the ceiling. The \u003cstrong\u003ewall-mounted heat pump\u003c\/strong\u003e circulates the air of the whole room; by aiming the louvres toward the glazed areas, you soften that cold feeling and even out the temperature.\u003c\/p\u003e\n\u003ch3\u003eWinter, certified figures\u003c\/h3\u003e\n\u003cp\u003eThe certificate lists \u003cstrong\u003e15,000 BTU\/h at -8 °C\u003c\/strong\u003e (17 °F), about 83% of nominal capacity, with a \u003cstrong\u003eCOP of 2.35\u003c\/strong\u003e, and \u003cstrong\u003e18,000 BTU\/h at -15 °C\u003c\/strong\u003e (5 °F), about 100%, with a \u003cstrong\u003eCOP of 1.80\u003c\/strong\u003e. The two points are measured separately; we report each one as published, even though the -15 °C value is higher than the -8 °C value.\u003c\/p\u003e\n\u003cp\u003eIn practice, the heat pump keeps its full nominal capacity in January cold, which makes it the main heat source for the living area for most of the winter. The existing baseboards, set a few degrees below the set point, stay as backup for cold peaks. The ENERGY STAR \u003cstrong\u003ecold-climate designation\u003c\/strong\u003e confirms that the pairing was evaluated for this climate.\u003c\/p\u003e\n\u003ch3\u003eIn a condo: what to plan for\u003c\/h3\u003e\n\u003cp\u003eIn a condo, installing a heat pump generally requires the condo board's approval. The outdoor unit is most often placed on the balcony, on a wall or floor stand, and the line passage through the exterior wall must respect the building envelope. We provide the technical information useful for the board request, and we plan a discreet line route, protected by a line cover.\u003c\/p\u003e\n\u003cp\u003eOn a balcony, we take into account the space to move around, the drainage of defrost water and the proximity of neighbours, so the unit bothers no one.\u003c\/p\u003e\n\u003ch3\u003eInverter and R-410A refrigerant\u003c\/h3\u003e\n\u003cp\u003eThe heat pump moves heat: in winter, it draws it from the outdoor air and delivers it to the living area; in summer, it rejects the room's heat outside. \u003cstrong\u003eInverter\u003c\/strong\u003e technology varies the compressor's speed instead of running all-or-nothing. The circuit uses \u003cstrong\u003eR-410A\u003c\/strong\u003e refrigerant, proven over many years and well known to refrigeration technicians. In cold, humid weather, a short defrost cycle pauses heating for a few minutes; the white vapour rising from the outdoor unit is normal.\u003c\/p\u003e\n\u003ch3\u003eThe ratings, explained\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2 of 21.5\u003c\/strong\u003e: cooling efficiency over the whole summer, important for a very sunny room.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2 of 12.5\u003c\/strong\u003e: cooling efficiency at the hottest time of day.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2 of 11.3\u003c\/strong\u003e: heating efficiency over the whole season, the most decisive in Quebec.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCOP of 2.35 at -8 °C and 1.80 at -15 °C\u003c\/strong\u003e: heat delivered per unit of electricity, where a baseboard delivers one.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese figures come from certificate \u003cstrong\u003eAHRI 210605804\u003c\/strong\u003e, published by NEEP.\u003c\/p\u003e\n\u003ch3\u003eThe $1,800 LogisVert grant\u003c\/h3\u003e\n\u003cp\u003eThe system is listed in Hydro-Québec's \u003cstrong\u003eLogisVert\u003c\/strong\u003e program, with \u003cstrong\u003e$1,800\u003c\/strong\u003e for the owner of an existing home, according to the list in effect on the installation date. We confirm eligibility before signing and prepare the detailed invoice, model numbers and proof of payment. Our page on the \u003ca href=\"\/en\/pages\/subvention-thermopompes-efficaces-dhydro-quebec\"\u003eefficient heat pump grant\u003c\/a\u003e summarizes the program's conditions.\u003c\/p\u003e\n\u003ch2\u003eInstallation, step by step\u003c\/h2\u003e\n\u003ch3\u003eVisit and load calculation\u003c\/h3\u003e\n\u003cp\u003eThe visit is free. We measure the living area, the size of each window and its orientation, note the glazing type and wall insulation, then run the \u003cstrong\u003eload calculation\u003c\/strong\u003e. For a heavily glazed room, this step is what prevents undersizing the unit for summer or oversizing it for nothing.\u003c\/p\u003e\n\u003ch3\u003ePlacing the head and the outdoor unit\u003c\/h3\u003e\n\u003cp\u003eThe wall head goes up high, on a solid wall, from which the airflow can sweep the living area and reach the glazed zones. It is secured to the framing with a drainage slope for condensate. In a house, 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'. The \u003cstrong\u003erefrigerant lines\u003c\/strong\u003e, the cable and the drain go through a single sealed opening.\u003c\/p\u003e\n\u003ch3\u003eElectrical, commissioning and maintenance\u003c\/h3\u003e\n\u003cp\u003eThe 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 both modes and the drain. After that, 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 CONFORTO MHWAL | 18,000 BTU - R410A. We assess your living area and its windows and confirm the right size and your grant eligibility before signing.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Conforto","offers":[{"title":"Default Title","offer_id":67797469167908,"sku":"MHSZ118DACFC","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MURALE_CONFORTO_MAXIMUM_MHWAL_18000_BTU_R410A_00_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD.png?v=1793082571"},{"product_id":"thermopompe-murale-conforto-mhwal-24000-btu-r410a","title":"Wall-Mounted Heat Pump CONFORTO MHWAL | 24,000 BTU - R410A","description":"\u003ch2\u003eA large high-ceilinged space, heated down low and cooled all the way up\u003c\/h2\u003e\n\u003cp\u003eA converted loft, a living room under a cathedral ceiling, a double-height room with a mezzanine: these spaces are spectacular, and they are also the hardest to keep comfortable. In winter, heat builds up under the ceiling while your feet are cold; in summer, the mezzanine becomes stifling. The \u003cstrong\u003eWall-Mounted Heat Pump CONFORTO MHWAL | 24,000 BTU - R410A\u003c\/strong\u003e brings the capacity and air mixing these large volumes need.\u003c\/p\u003e\n\u003cp\u003eIts certified ratings are \u003cstrong\u003e21.5 SEER2\u003c\/strong\u003e, \u003cstrong\u003e13.0 EER2\u003c\/strong\u003e and \u003cstrong\u003e11.4 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 4480245\u003c\/strong\u003e. It qualifies for a \u003cstrong\u003e$2,544 LogisVert grant\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eLarge volumes, a case of their own\u003c\/h3\u003e\n\u003cp\u003eMost sizing rules start from a room's floor area. In a loft or under a cathedral ceiling, that shortcut does not work: the volume of air is much larger, the exterior walls and windows rise higher, and the roof is often right above. It is these surfaces, more than the floor area, that determine the capacity needed.\u003c\/p\u003e\n\u003cp\u003eA nominal capacity of \u003cstrong\u003e24,000 BTU\/h\u003c\/strong\u003e typically suits a large high-ceilinged living space, an open loft or an open area with a mezzanine, in a well-insulated building. The \u003cstrong\u003eload calculation\u003c\/strong\u003e done during the visit takes the height, the windows and the roof into account.\u003c\/p\u003e\n\u003cp\u003eA single head works when the volume is truly open, from the living zone up to the mezzanine. If the mezzanine is closed off by partitions or a bedroom with a door is set up there, it becomes a separate room: a dedicated small-capacity head will be more effective there than a single large head on the lower level.\u003c\/p\u003e\n\u003ch3\u003eStratification, explained\u003c\/h3\u003e\n\u003cp\u003eWarm air rises and cool air falls. In an ordinary room, the difference stays modest; in a double-height volume, it becomes noticeable. In winter, a baseboard under the window heats the air, which shoots up to the ceiling and stays there: the mezzanine is warm, the floor is cold. In summer, it is the reverse: cool air from an air conditioner stays down low, and the mezzanine overheats.\u003c\/p\u003e\n\u003cp\u003eA \u003cstrong\u003ewall-mounted heat pump\u003c\/strong\u003e mixes the air continuously, at low airflow, thanks to its indoor fan. In heating, louvres aimed downward send warm air back toward the occupied zone; in cooling, aimed upward, they let cool air settle naturally through the whole volume. A ceiling fan, if one is already installed, complements this mixing well.\u003c\/p\u003e\n\u003ch3\u003eWinter, certified figures\u003c\/h3\u003e\n\u003cp\u003eThe certificate lists \u003cstrong\u003e21,200 BTU\/h at -8 °C\u003c\/strong\u003e (17 °F), about 88% of nominal capacity, with a \u003cstrong\u003eCOP of 2.88\u003c\/strong\u003e, and \u003cstrong\u003e25,000 BTU\/h at -15 °C\u003c\/strong\u003e (5 °F), about 104%, with a \u003cstrong\u003eCOP of 2.21\u003c\/strong\u003e. The two points are measured separately; we report each one as published, even though the -15 °C value is higher than the -8 °C value.\u003c\/p\u003e\n\u003cp\u003eFor a large volume, this is reassuring: the \u003cstrong\u003evariable-speed compressor\u003c\/strong\u003e delivers its full nominal capacity, and even a little more, in January cold. The heat pump can therefore carry the main heating of the space for most of the winter, with the baseboards as backup for cold peaks. The ENERGY STAR \u003cstrong\u003ecold-climate designation\u003c\/strong\u003e confirms that the pairing was evaluated for this climate.\u003c\/p\u003e\n\u003ch3\u003eSummer, all the way up to the mezzanine\u003c\/h3\u003e\n\u003cp\u003eIn \u003cstrong\u003ecooling\u003c\/strong\u003e mode, the nominal capacity is \u003cstrong\u003e24,000 BTU\/h\u003c\/strong\u003e. The \u003cstrong\u003e13.0 EER2\u003c\/strong\u003e rating measures efficiency on a hot day, when the sun heats the roof and the large windows; the SEER2 rating of 21.5 sums up the full season. At low speed, the indoor coil condenses moisture from the air, which drains away: continuous \u003cstrong\u003edehumidification\u003c\/strong\u003e avoids the heavy air that often builds up high in lofts. Blinds on high windows and skylights also make a big difference, since that is where the sun strikes the longest.\u003c\/p\u003e\n\u003ch3\u003eElectrical: planning the capacity\u003c\/h3\u003e\n\u003cp\u003eA heat pump of this capacity needs a \u003cstrong\u003ededicated circuit\u003c\/strong\u003e of a higher rating than a small unit. In lofts set up in older buildings and in some condos, the panel is sometimes limited. We check the capacity of the panel and the electrical service during the visit, before proposing a configuration.\u003c\/p\u003e\n\u003ch3\u003eInverter and R-410A refrigerant\u003c\/h3\u003e\n\u003cp\u003eThe heat pump moves heat: in winter, it draws it from the outdoor air; in summer, it rejects the loft's heat outside. \u003cstrong\u003eInverter\u003c\/strong\u003e technology varies the compressor's speed instead of running all-or-nothing, which lets a large capacity stay gentle in the shoulder seasons. The circuit uses \u003cstrong\u003eR-410A\u003c\/strong\u003e refrigerant, proven and well known to refrigeration technicians. In cold, humid weather, short defrost cycles pause heating for a few minutes; the white vapour rising from the outdoor unit is normal.\u003c\/p\u003e\n\u003ch3\u003eThe ratings, explained\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2 of 21.5\u003c\/strong\u003e: cooling efficiency over the whole summer.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2 of 13.0\u003c\/strong\u003e: cooling efficiency at the hottest moment.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2 of 11.4\u003c\/strong\u003e: heating efficiency over the whole season, the most decisive in Quebec.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCOP of 2.88 at -8 °C and 2.21 at -15 °C\u003c\/strong\u003e: heat delivered per unit of electricity, where an electric baseboard delivers one.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese figures come from certificate \u003cstrong\u003eAHRI 210605805\u003c\/strong\u003e, published by NEEP.\u003c\/p\u003e\n\u003ch3\u003eThe $2,544 LogisVert grant\u003c\/h3\u003e\n\u003cp\u003eThe system is listed in Hydro-Québec's \u003cstrong\u003eLogisVert\u003c\/strong\u003e program, with \u003cstrong\u003e$2,544\u003c\/strong\u003e for the owner of an existing home, according to the list in effect on the installation date. We confirm eligibility before signing and prepare the detailed invoice, model numbers and proof of payment. Our page on the \u003ca href=\"\/en\/pages\/subvention-thermopompes-efficaces-dhydro-quebec\"\u003eefficient heat pump grant\u003c\/a\u003e summarizes the program's conditions.\u003c\/p\u003e\n\u003ch2\u003eInstallation, step by step\u003c\/h2\u003e\n\u003ch3\u003eHow high to mount the head\u003c\/h3\u003e\n\u003cp\u003eIn a double-height volume, the temptation is to mount the head very high. That is rarely the best idea: installed near the ceiling, it mostly heats air that is already there and reads a temperature that is not that of the occupied zone. Instead, we mount it at a height that lets the airflow reach the floor in heating and sweep the volume in cooling, often on a solid wall under the mezzanine or facing the large window. The chosen height must also allow easy access to the filters. The head is secured to the framing with a drainage slope for condensate.\u003c\/p\u003e\n\u003ch3\u003eOutdoor unit, lines, commissioning and maintenance\u003c\/h3\u003e\n\u003cp\u003eThe outdoor unit, bulkier on a heat pump this size, sits on a sturdy ground stand or a wall stand designed for its load, \u003cstrong\u003eabove the snow line\u003c\/strong\u003e, away from bedroom windows, including the neighbours'. The \u003cstrong\u003erefrigerant lines\u003c\/strong\u003e, the cable and the drain go through a single sealed opening. At \u003cstrong\u003ecommissioning\u003c\/strong\u003e, the circuit is evacuated and checked for tightness, then we test both modes and the drain. After that, 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 CONFORTO MHWAL | 24,000 BTU - R410A. We assess your large space and confirm the right size and your grant eligibility before signing.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Conforto","offers":[{"title":"Default Title","offer_id":67797481226532,"sku":"MHSZ124DACFC","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MURALE_CONFORTO_MAXIMUM_MHWAL_24000_BTU_R410A_00_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD.png?v=1793082571"}],"url":"https:\/\/airgreen.ca\/en\/collections\/thermopompe-murale-conforto.oembed","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}