{"product_id":"thermopompe-5-zones-conforto-mhmz-48000-btu-r410a","title":"5-Zone Heat Pump CONFORTO MHMZ | 48,000 BTU - R410A","description":"\u003ch2\u003eA whole family home switched to a heat pump: five zones, a single outdoor unit\u003c\/h2\u003e\n\u003cp\u003eReplacing the heating of an entire house is not done by adding one head in the living room. Each room where people actually live needs to be equipped, without covering the facade with outdoor units. The \u003cstrong\u003e5-Zone Heat Pump CONFORTO MHMZ | 48,000 BTU - R410A\u003c\/strong\u003e does it with five \u003cstrong\u003ewall heads\u003c\/strong\u003e, one per main room, all connected to a single \u003cstrong\u003eMHMZ548DACFC condenser\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis \u003cstrong\u003e4-ton\u003c\/strong\u003e condenser serves \u003cstrong\u003e5 zones\u003c\/strong\u003e here, which is its maximum of 5. The wall heads intended for it are the \u003cstrong\u003eMHWAL09DACFC\u003c\/strong\u003e, the \u003cstrong\u003eMHWAL12DACFC\u003c\/strong\u003e and the \u003cstrong\u003eMHWAL24DACFC\u003c\/strong\u003e. Its certified ratings are \u003cstrong\u003e21.8 SEER2\u003c\/strong\u003e, \u003cstrong\u003e11.7 EER2\u003c\/strong\u003e and \u003cstrong\u003e9.8 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 2495078\u003c\/strong\u003e, and it qualifies for a \u003cstrong\u003e$4,320 LogisVert grant\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eMoving from baseboards to a heat pump, room by room\u003c\/h3\u003e\n\u003cp\u003eIn a house heated with \u003cstrong\u003eelectric baseboards\u003c\/strong\u003e, each room has its own heater. For a heat pump to truly take over, it has to be present in the rooms that matter: the living space, the kitchen or dining room, the bedrooms, the office. Five zones cover most of a medium to large family home, whether a two-storey, a large bungalow with a basement or an extended house.\u003c\/p\u003e\n\u003cp\u003eThe baseboards do not disappear, however. They remain the backup for extreme cold in the equipped rooms, and the main heating in the small rooms that do not get a head.\u003c\/p\u003e\n\u003ch3\u003eWhich rooms get a head\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eMHWAL24DACFC\u003c\/strong\u003e, the largest of the intended heads, goes in the living space, often open to the kitchen. The \u003cstrong\u003eMHWAL12DACFC\u003c\/strong\u003e suits the main bedroom or a separate dining room. The \u003cstrong\u003eMHWAL09DACFC\u003c\/strong\u003e serves the children's rooms and the office. The load calculation confirms each choice.\u003c\/p\u003e\n\u003cp\u003eSome rooms stay without a head, and that is intentional: bathrooms, laundry room, hallway, small entryway. These spaces are small, often closed, and a wall head would add nothing that their baseboard does not already do. We go over the list with you room by room during the visit, showing what changes and what stays.\u003c\/p\u003e\n\u003ch3\u003eFive heads on 48,000 BTU\u003c\/h3\u003e\n\u003cp\u003eThe five heads share the condenser's capacity. The rooms of a family home rarely reach full demand all at the same time; the rest of the time, the occupied rooms benefit from the capacity the others are not using. On the coldest nights, they all call together, and that is the moment our calculation checks. With 5 zones out of a maximum of 5, every connection is used.\u003c\/p\u003e\n\u003cp\u003eThe condenser's \u003cstrong\u003einverter compressor\u003c\/strong\u003e follows these variations by adjusting its speed and metering the \u003cstrong\u003eR-410A refrigerant\u003c\/strong\u003e sent to each head. The five heads always work in the same mode, heating or cooling, as on any multi-zone system of this type. Shutting off an unoccupied zone leaves the other four running.\u003c\/p\u003e\n\u003ch3\u003eOne unit outside, five neatly grouped routes\u003c\/h3\u003e\n\u003cp\u003eFive separate wall-mounted heat pumps would mean five outdoor units around the house. Here, a single condenser, set above the snow line on a stand or a sturdy bracket, away from snow sliding off the roof. All five \u003cstrong\u003erefrigerant line sets\u003c\/strong\u003e run back to it; we group them in one or two painted line covers that follow the lines of the facade, or run them indoors when a closet, the attic or the basement ceiling allows it. You see each route before the first hole is drilled.\u003c\/p\u003e\n\u003ch3\u003eWhat the certificate shows for winter\u003c\/h3\u003e\n\u003cp\u003eThe certificate lists \u003cstrong\u003e36,000 BTU\/h at -8 °C\u003c\/strong\u003e (17 °F), with a \u003cstrong\u003eCOP of 2.30\u003c\/strong\u003e, and \u003cstrong\u003e45,000 BTU\/h at -15 °C\u003c\/strong\u003e (5 °F), with a \u003cstrong\u003eCOP of 2.00\u003c\/strong\u003e. The maximum published capacity is \u003cstrong\u003e45,000 BTU\/h at -15 °C\u003c\/strong\u003e. The two points are measured separately; we report each one as published.\u003c\/p\u003e\n\u003cp\u003eA COP of 2.00 means that at -15 °C, each kilowatt-hour consumed returns two kilowatt-hours of heat, where a baseboard returns one. At -8 °C, the ratio rises to 2.30. For a house moving from baseboards to a heat pump, this is the figure that sums up the change. ENERGY STAR's \u003cstrong\u003ecold-climate designation\u003c\/strong\u003e confirms that the combination meets the low-temperature performance criteria.\u003c\/p\u003e\n\u003cp\u003eThese figures come from certificate \u003cstrong\u003eAHRI 210605819\u003c\/strong\u003e, published by NEEP.\u003c\/p\u003e\n\u003ch3\u003eBackup heat and defrost\u003c\/h3\u003e\n\u003cp\u003eThe certificate does not publish a point colder than -15 °C. The baseboards in the equipped rooms therefore stay set slightly below the heads' set point: off for most of the winter, they take over during extreme cold. In cold, humid weather, the condenser also runs \u003cstrong\u003edefrost cycles\u003c\/strong\u003e of a few minutes; the heads then stop blowing warm air and a cloud of vapour rises from the outdoor unit. This is normal.\u003c\/p\u003e\n\u003ch3\u003eCooling the whole house\u003c\/h3\u003e\n\u003cp\u003eIn cooling, the system is built around a nominal size of \u003cstrong\u003e48,000 BTU\/h\u003c\/strong\u003e for the five zones. The whole house is cooled, room by room, without window air conditioners or portable units. The bedrooms are set for the night, the living space for the day, and an empty room can be shut off. Extended low-speed operation removes moisture from the air; each head also offers a dehumidification mode.\u003c\/p\u003e\n\u003ch3\u003eThe 21.8 SEER2, 11.7 EER2 and 9.8 HSPF2 ratings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2\u003c\/strong\u003e: heating efficiency over the whole cold season. For an entire house converted to a heat pump, this is the rating that weighs most.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2\u003c\/strong\u003e: cooling efficiency over a whole summer.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2\u003c\/strong\u003e: cooling at full load, in hot weather.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCOP\u003c\/strong\u003e: the ratio between heat delivered and electricity consumed at a specific temperature.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe $4,320 LogisVert grant\u003c\/h3\u003e\n\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. 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 and follow-up\u003c\/h2\u003e\n\u003ch3\u003eOur installation\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\u003cstrong\u003eVisit and load calculation\u003c\/strong\u003e: each room is measured, and the list of equipped rooms is drawn up with you.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eElectrical panel\u003c\/strong\u003e: a 4-ton condenser requires a larger \u003cstrong\u003ededicated circuit\u003c\/strong\u003e; we check the panel's space and capacity.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLines and drains\u003c\/strong\u003e: one line set and one sloped condensate drain per head; a pump only where gravity is not enough.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCommissioning\u003c\/strong\u003e: vacuum, leak test, check of each zone, then setup of the five remotes with you.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eMaintaining five heads\u003c\/h3\u003e\n\u003cp\u003eRinse the filters of all five heads every two weeks in season; doing them all on the same day keeps any from being forgotten. Keep the condenser clear of snow and leaves, without covering it in winter. One \u003cstrong\u003eHVAC\u003c\/strong\u003e maintenance visit per year cleans the coils, fans and drains and checks the electrical connections; on a system the whole house depends on, it reduces the risk of a shutdown in the middle of winter. 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 5-Zone Heat Pump CONFORTO MHMZ | 48,000 BTU - R410A. We assess your home room by room 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":67797783839012,"sku":"MHMZ548DACFC","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE_MULTIZONE_CONFORTO_MAXIMUM_MHMZ_R410A_5_ZONES_4_TONNES_48000_BTU_00_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD.png?v=1793082570","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-5-zones-conforto-mhmz-48000-btu-r410a","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}