{"product_id":"cassette-de-plafond-conforto-mhcas-24000-btu-r410a","title":"Ceiling Cassette CONFORTO MHCAS | 24,000 BTU - R410A","description":"\u003ch2\u003eA large size that keeps its capacity when the cold sets in\u003c\/h2\u003e\u003cp\u003eTo heat a large space through a Quebec winter, a unit's nominal size is not enough: what counts is the heat it still delivers when the thermometer plunges. The \u003cstrong\u003eCeiling Cassette CONFORTO MHCAS | 24,000 BTU - R410A\u003c\/strong\u003e stands out precisely on this point. The \u003cstrong\u003eMHCAS24DACFC\u003c\/strong\u003e cassette is recessed into the ceiling and works with the \u003cstrong\u003eMHSZ124DACFC\u003c\/strong\u003e outdoor unit, whose \u003cstrong\u003evariable-speed compressor\u003c\/strong\u003e modulates its speed according to demand.\u003c\/p\u003e\u003cp\u003eIts certified ratings are \u003cstrong\u003e20.5 SEER2\u003c\/strong\u003e, \u003cstrong\u003e11.0 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 4480246\u003c\/strong\u003e, its certificate still lists heating capacity at \u003cstrong\u003e-30 °C\u003c\/strong\u003e, and it qualifies for a \u003cstrong\u003e$2,520 LogisVert grant\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhat the certificate shows in extreme cold\u003c\/h3\u003e\u003cp\u003eThe certificate publishes three heating points, measured separately; we report each one as published.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003e21,000 BTU\/h at -8 °C\u003c\/strong\u003e (17 °F), with a \u003cstrong\u003eCOP of 2.64\u003c\/strong\u003e.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003e25,800 BTU\/h at -15 °C\u003c\/strong\u003e (5 °F), with a \u003cstrong\u003eCOP of 2.00\u003c\/strong\u003e, or 108 % of the nominal capacity.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003e20,000 BTU\/h at -30 °C\u003c\/strong\u003e (-22 °F), with a \u003cstrong\u003eCOP of 1.50\u003c\/strong\u003e, or 83 % of the nominal capacity.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eThe last point is the most telling. Many heat pumps lose half their capacity, or more, at -30 °C. This one keeps more than four-fifths of it according to its certificate, and it still produces one and a half times as much heat as it uses in electricity. The -15 °C point, higher than the -8 °C one, comes from a separate test: we do not join the two into a curve.\u003c\/p\u003e\u003cp\u003eThis does not remove the need for backup heating: in a large space, we always recommend keeping the baseboards or the existing system for extreme nights and maintenance periods. But the backup will be used less often.\u003c\/p\u003e\u003ch3\u003eThe spaces this size is meant for\u003c\/h3\u003e\u003cp\u003eThe 24,000 BTU size targets large, single open volumes: the open main floor of a recent house, a large finished basement with an exercise room, a loft or a workshop, and many commercial spaces, a shop, a yoga or dance studio, a meeting room, a clinic waiting room. In a well-insulated building, it can heat and cool most of an open floor; in an older, heavily glazed building, it covers a smaller area.\u003c\/p\u003e\u003ch3\u003eOne large unit or two smaller ones\u003c\/h3\u003e\u003cp\u003eA cassette heats and cools the space it is in. If the area to cover is divided into several closed rooms, two smaller units often give a better result than one large cassette. Conversely, in a truly open space, a single well-placed unit is simpler: one outdoor unit, one wall opening, one maintenance visit.\u003c\/p\u003e\u003cp\u003eThe choice is made with the \u003cstrong\u003eload calculation\u003c\/strong\u003e. A unit too large for the room would idle most of the year and short-cycle in spring and fall; a unit too small would strain in January. We set out the reasoning in the quote, backed by the certificate's figures.\u003c\/p\u003e\u003ch3\u003eThe electrical panel and the dedicated circuit\u003c\/h3\u003e\u003cp\u003eA unit of this size needs a \u003cstrong\u003ededicated circuit\u003c\/strong\u003e of appropriate capacity. In a house or a commercial space whose panel is already heavily used, we check during the visit that the necessary room remains. If a panel adjustment is required, it appears clearly in the written quote. In a commercial space, we also coordinate the connection location with the building manager when needed.\u003c\/p\u003e\u003ch3\u003eDistributing air in a large volume\u003c\/h3\u003e\u003cp\u003eThe cassette spreads the air in four directions through the louvres around its grille. In a large space, this distribution reduces the temperature differences between the centre and the walls, where a wall-mounted heat pump would leave the opposite end under-heated. We place it between the areas of use, away from fixed workstations, and clear of a range or a hood.\u003c\/p\u003e\u003cp\u003eIn heating, warm air tends to collect under the ceiling, especially in a tall volume. The cassette's central position and the louvre setting help bring that air back toward the floor; in a loft, a ceiling fan set to low speed usefully completes the mixing.\u003c\/p\u003e\u003ch3\u003eCooling an occupied space\u003c\/h3\u003e\u003cp\u003eA commercial space or a large reception room often hosts several people at once, and each one adds heat and moisture. In cooling, the cassette removes both: the moisture condenses on the coil and flows out through the drain. The \u003cstrong\u003evariable-speed compressor\u003c\/strong\u003e follows the changes in occupancy rather than starting and stopping constantly.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eEER2 of 11.0\u003c\/strong\u003e measures full-load efficiency during the hottest hours; the \u003cstrong\u003eSEER2 of 20.5\u003c\/strong\u003e measures efficiency over the whole season, when the unit spends most of its time at partial load. It is this second rating that best reflects the real use of a variable-speed unit.\u003c\/p\u003e\u003ch3\u003eThe ratings, made clear\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eSEER2 of 20.5\u003c\/strong\u003e: seasonal cooling efficiency; the higher it is, the less the unit uses for the same cooling over the summer.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eEER2 of 11.0\u003c\/strong\u003e: cooling efficiency at full load, in hot weather.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eHSPF2 of 11.5\u003c\/strong\u003e: seasonal heating efficiency, calculated for a reference climate milder than ours; useful for comparing models.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eCOP\u003c\/strong\u003e: heat delivered per unit of electricity. An electric baseboard is at 1; this cassette is at 2.64 at -8 °C and still at 1.50 at -30 °C.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eThese ratings compare units; the actual bill depends on insulation, settings and the winter.\u003c\/p\u003e\u003ch3\u003eThe technology: variable speed and R-410A\u003c\/h3\u003e\u003cp\u003eA \u003cstrong\u003eheat pump\u003c\/strong\u003e moves heat instead of producing it with a resistance element. In winter, the \u003cstrong\u003erefrigerant\u003c\/strong\u003e captures heat from the outdoor air, the compressor concentrates it and the cassette releases it; in summer, the cycle reverses. The system uses \u003cstrong\u003eR-410A\u003c\/strong\u003e, a proven refrigerant found in a large share of the heat pumps installed in recent years and well known to technicians. A tight installation and a charge verified at commissioning are the basis of its reliability.\u003c\/p\u003e\u003ch3\u003eThe $2,520 LogisVert grant\u003c\/h3\u003e\u003cp\u003eThe system is listed in Hydro-Québec's \u003cstrong\u003eLogisVert\u003c\/strong\u003e program, with \u003cstrong\u003e$2,520\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\u003ch2\u003eInstallation, step by step\u003c\/h2\u003e\u003col\u003e\u003cli\u003e\u003cstrong\u003eVisit and load calculation.\u003c\/strong\u003e Survey of the space, insulation and glass areas, check of the electrical panel, choice of location.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eCeiling mounting.\u003c\/strong\u003e The cassette is suspended from the structure, between the joists or above a suspended ceiling, level, with access to the filter and drain.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eDrain.\u003c\/strong\u003e Continuous drainage slope for condensate or, if the route requires it, a small pump.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eOutdoor unit.\u003c\/strong\u003e On a ground stand or a wall bracket suited to its size, above the snow line, clear of roof runoff and away from bedroom windows, including the neighbours'.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eRefrigerant lines.\u003c\/strong\u003e A single sealed opening and, outdoors, a line cover if needed.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eElectrical and commissioning.\u003c\/strong\u003e Connection of the dedicated circuit, leak test, evacuation, checks in heating and cooling, explanation of the settings.\u003c\/li\u003e\u003c\/ol\u003e\u003ch3\u003eMaintenance\u003c\/h3\u003e\u003cp\u003eRinse the filter behind the grille every two weeks in season, more often in a busy commercial space. Keep the outdoor unit clear of snow and leaves: a unit of this size needs its full exchange surface during cold snaps. 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\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 Ceiling Cassette CONFORTO MHCAS | 24,000 BTU - R410A. We measure the space, check the panel and compare one large unit with two smaller ones before signing.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Conforto","offers":[{"title":"Default Title","offer_id":67797532901668,"sku":"MHSZ124DACFC","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/CASSETTE_DE_PLAFOND_CONFORTO_MAXIMUM_MHCAS_R410A_24000_BTU_00_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD.png?v=1793082527","url":"https:\/\/airgreen.ca\/en\/products\/cassette-de-plafond-conforto-mhcas-24000-btu-r410a","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}