{"product_id":"thermopompe-centrale-conforto-mhsd-4-tonnes-48000-btu-r410a","title":"Central Heat Pump CONFORTO MHSD | 4 Tons - 48,000 BTU - R410A","description":"\u003ch2\u003eA large home heated and cooled by a single central system\u003c\/h2\u003e\u003cp\u003eBeyond a certain size, choosing a central heat pump is no longer just about the unit. The electrical service, the \u003cstrong\u003educt system\u003c\/strong\u003e and the distribution of air between floors also have to keep up. The \u003cstrong\u003eCentral Heat Pump CONFORTO MHSD | 4 Tons - 48,000 BTU - R410A\u003c\/strong\u003e pairs the \u003cstrong\u003eMHSD148DACFC\u003c\/strong\u003e outdoor unit with the \u003cstrong\u003eMHAH148DACFC\u003c\/strong\u003e indoor unit, an air handler that replaces the furnace and pushes air through the entire existing duct system.\u003c\/p\u003e\u003cp\u003eIts certified ratings are \u003cstrong\u003e15.6 SEER2\u003c\/strong\u003e, \u003cstrong\u003e8.2 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 3892549\u003c\/strong\u003e, its certificate still lists capacity at \u003cstrong\u003e-30 °C\u003c\/strong\u003e, and it qualifies for a \u003cstrong\u003e$4,320 LogisVert grant\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eThe homes a 4-ton system is meant for\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003e4-ton\u003c\/strong\u003e size, or \u003cstrong\u003e48,000 BTU\/h\u003c\/strong\u003e, is meant for large homes: a two-storey cottage with a large finished basement, an upscale home on the \u003cstrong\u003eNorth Shore\u003c\/strong\u003e or the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e, a large older house in \u003cstrong\u003eMontreal\u003c\/strong\u003e with many rooms and high ceilings. These are often homes whose furnace and air conditioner were also large.\u003c\/p\u003e\u003cp\u003eThis size should not be repeated out of habit. A renovated home, with a re-insulated attic and recent windows, may have needs well below those of the old unit. Conversely, an older home with poorly insulated walls can reach this size sooner than expected. A load calculation, room by room and floor by floor, settles it before any quote.\u003c\/p\u003e\u003ch3\u003eOne system or two\u003c\/h3\u003e\u003cp\u003eIn some large homes, two smaller systems, each with its own duct system and thermostat, work better than one big system: for example when the upper floor and the main floor have separate duct systems, or when one wing of the house is occupied at different times. In others, a single properly sized system with a balanced duct system is the simplest and most durable solution. During the visit, we examine the duct layout and present the option that suits your home.\u003c\/p\u003e\u003ch3\u003eThe electrical service, the first check\u003c\/h3\u003e\u003cp\u003eA 4-ton system requires a matching electrical supply. The outdoor unit needs its \u003cstrong\u003ededicated circuit\u003c\/strong\u003e, and the electric backup, usually housed in the indoor unit in an all-electric installation, adds a significant load during deep cold. Together, they must coexist with the range, the water heater, the dryer and, more and more often, an electric vehicle charger.\u003c\/p\u003e\u003cp\u003eBefore the quote, we check the capacity of the electrical service and the space available in the panel. If an upgrade is needed, it is stated in the written quote, before signing, to avoid any surprise on installation day. We also size the backup heat from the load calculation, no more and no less than what the house requires.\u003c\/p\u003e\u003ch3\u003eDucts sized for the airflow\u003c\/h3\u003e\u003cp\u003eThe bigger a heat pump, the more air it has to move. An undersized or poorly connected duct system forces it to work against excessive resistance: the blower gets noisy, air whistles at the registers and efficiency drops. During the visit, we examine the main trunk, the branches, the number of registers and above all the air return, often the weak point in large homes.\u003c\/p\u003e\u003cp\u003eDistribution between floors matters just as much. An upstairs return, balanced branches and a well-placed thermostat keep the upstairs bedrooms from overheating in winter or staying warm in summer while the basement is cold. Useful corrections are included in the quote.\u003c\/p\u003e\u003ch3\u003eHow it works: variable speed and R-410A\u003c\/h3\u003e\u003cp\u003eThe heat pump moves heat instead of producing it. In winter, the \u003cstrong\u003eR-410A\u003c\/strong\u003e refrigerant captures heat from the outdoor air and brings it to the indoor unit's coil; in summer, a reversing valve flips the cycle. The \u003cstrong\u003evariable-speed\u003c\/strong\u003e (\u003cstrong\u003einverter\u003c\/strong\u003e) compressor adjusts its speed to demand: in a large home, it spends most of the year at part load and only reaches full capacity on the coldest or hottest days.\u003c\/p\u003e\u003ch3\u003eWinter according to the certificate\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eAt -8 °C\u003c\/strong\u003e (17 °F): \u003cstrong\u003e36,000 BTU\/h\u003c\/strong\u003e, with a \u003cstrong\u003eCOP of 2.36\u003c\/strong\u003e.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eAt -15 °C\u003c\/strong\u003e (5 °F): \u003cstrong\u003e46,000 BTU\/h\u003c\/strong\u003e, with a \u003cstrong\u003eCOP of 1.90\u003c\/strong\u003e, about 96% of the nominal size.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eAt -30 °C\u003c\/strong\u003e: \u003cstrong\u003e24,500 BTU\/h\u003c\/strong\u003e, with a \u003cstrong\u003eCOP of 1.37\u003c\/strong\u003e.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eThe -8 °C and -15 °C points are measured separately; we report each one as published. These figures come from certificate \u003cstrong\u003eAHRI 216683752\u003c\/strong\u003e, published by NEEP. COP compares the heat delivered with the electricity used: an electric baseboard has a COP of 1, and this heat pump stays above that threshold down to -30 °C. Below the point where the house loses more heat than the heat pump supplies, backup heat takes over.\u003c\/p\u003e\u003ch3\u003eThe ratings and cooling\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eHSPF2\u003c\/strong\u003e of 9.4 measures efficiency over the whole heating season, the period that weighs most on the bill of an electrically heated home. The \u003cstrong\u003eSEER2\u003c\/strong\u003e of 15.6 measures cooling efficiency over a typical summer, at part load most of the time. The \u003cstrong\u003eEER2\u003c\/strong\u003e of 8.2 measures full-load efficiency on a very hot day; it is more modest, which means this system performs at its best in heating and on ordinary summer days.\u003c\/p\u003e\u003cp\u003eIn summer, the system cools every room served by the ducts, from the basement to the bedrooms. By running for long periods at low speed, it removes moisture from the air, a real advantage in a large finished basement. Condensate drains from the indoor unit to a floor drain or a pump.\u003c\/p\u003e\u003ch3\u003eThe $4,320 LogisVert grant\u003c\/h3\u003e\u003cp\u003eThe system is listed in Hydro-Québec's \u003cstrong\u003eLogisVert\u003c\/strong\u003e program, with \u003cstrong\u003e$4,320\u003c\/strong\u003e for the owner of an existing home, according to the list in effect on the installation date. The amount corresponds to the certified pairing of the MHSD148DACFC outdoor unit and the MHAH148DACFC indoor unit.\u003c\/p\u003e\u003cp\u003eWe 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\u003ch2\u003eInstallation by AirGreen\u003c\/h2\u003e\u003ch3\u003eHow the job unfolds\u003c\/h3\u003e\u003cp\u003eThe visit includes the load calculation, a complete inspection of the \u003cstrong\u003educt system\u003c\/strong\u003e, a check of the electrical service and the choice of the outdoor location. A unit of this size is bulky: we choose a location that lets air circulate around it, \u003cstrong\u003eabove the snow line\u003c\/strong\u003e, on a stand or bracket suited to its weight, away from roof drip and bedroom windows.\u003c\/p\u003e\u003cp\u003eOn installation day, the furnace is removed and the air handler takes its place, connected to the plenum, the air return and the drain. The insulated copper line set is brazed, pressure-tested and put under vacuum. The electrical connection is made on a \u003cstrong\u003ededicated circuit\u003c\/strong\u003e, with an outdoor disconnect, and the thermostat is replaced or wired in. Commissioning checks the charge, airflow, defrost and backup heat, and then we explain the settings to you.\u003c\/p\u003e\u003ch3\u003eMaintenance\u003c\/h3\u003e\u003cp\u003eCheck the indoor unit's filter every month in season and replace it according to its format: in a system with this much airflow, a clogged filter is quickly felt. Keep the outdoor unit clear of snow and leaves, without covering it. Annual \u003cstrong\u003eHVAC\u003c\/strong\u003e maintenance cleans the coils and checks the condensate drain, the electrical connections and the backup heat. In winter, the white vapour during defrost is normal.\u003c\/p\u003e\u003ch3\u003eWarranty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 years on the compressor, 10 years on parts and 6 years on labor.\u003c\/p\u003e\u003ch3\u003eAirGreen, for the life of the installation\u003c\/h3\u003e\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\u003cp\u003e\u003cstrong\u003eRequest your free estimate for the Central Heat Pump CONFORTO MHSD | 4 Tons - 48,000 BTU - R410A. We assess the home room by room, check the electrical service and the ductwork, 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":67797811921188,"sku":"MHSD148DACFC","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_CENTRALE_CONFORTO_MHSD_4_TONNES_48000_BTU_R410A_00_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD.png?v=1793082547","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-centrale-conforto-mhsd-4-tonnes-48000-btu-r410a","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}