{"product_id":"lg-plafonnier-de-type-cassette-3x3-48-000-btu","title":"LG: 3x3 Cassette-Type Ceiling Unit | 48,000 BTU","description":"\u003ch2 data-section-id=\"o64y4w\" data-start=\"70\" data-end=\"178\"\u003eA 3x3 cassette designed for large spaces where comfort needs to remain discreet, stable, and well-distributed\u003c\/h2\u003e\n\u003cp data-start=\"180\" data-end=\"710\"\u003eThe \u003cstrong data-start=\"183\" data-end=\"234\"\u003eLG 3x3 Cassette Ceiling Unit | 48,000 BTU\u003c\/strong\u003e is suitable for buildings where a traditional wall-mounted unit is not appropriate: open commercial spaces, offices, retail stores, restaurants, showrooms, multi-purpose rooms, high-end condos, residential extensions, and common areas of multi-unit dwellings. Its main strength is simple: to offer \u003cstrong data-start=\"555\" data-end=\"604\"\u003eair conditioning and heat pump heating\u003c\/strong\u003e with four-way air distribution, without cluttering walls or interfering with interior design.\u003c\/p\u003e\n\u003cp data-start=\"712\" data-end=\"1369\"\u003eAt AirGreen, we recommend this type of \u003cstrong data-start=\"756\" data-end=\"773\"\u003eHVAC solution\u003c\/strong\u003e when the client wants an efficient, aesthetic system capable of handling a significant air volume. At \u003cstrong data-start=\"880\" data-end=\"911\"\u003e48,000 BTU in cooling\u003c\/strong\u003e, this LG cassette meets serious needs, but it also requires serious analysis: ceiling height, cassette location, clearances, piping route, condensate drainage, electrical supply, actual heat load, and outdoor unit positioning. A good cassette poorly placed will yield average results. A well-selected, precisely installed cassette can transform the comfort of an entire space.\u003c\/p\u003e\n\u003cp data-start=\"1371\" data-end=\"2107\"\u003eThis model combines the indoor unit \u003cstrong data-start=\"1408\" data-end=\"1421\"\u003eKNSCB481A\u003c\/strong\u003e with the outdoor unit \u003cstrong data-start=\"1446\" data-end=\"1459\"\u003eKUSXB481A\u003c\/strong\u003e, under the LG combination \u003cstrong data-start=\"1484\" data-end=\"1497\"\u003eKSSCB481A\u003c\/strong\u003e, with \u003cstrong data-start=\"1516\" data-end=\"1524\"\u003eR-32\u003c\/strong\u003e refrigerant, variable-speed Inverter compressor, internal condensate pump, R-32 leak detection sensor, Auto Restart operation, Auto Changeover mode, optional WiFi control, and required grille panel \u003cstrong data-start=\"1734\" data-end=\"1746\"\u003ePT-AAGW0\u003c\/strong\u003e. The LG technical data sheet also indicates a cooling capacity of \u003cstrong data-start=\"1823\" data-end=\"1848\"\u003e19,200 to 53,000 BTU\/h\u003c\/strong\u003e, a heating capacity of \u003cstrong data-start=\"1879\" data-end=\"1904\"\u003e19,000 to 54,000 BTU\/h\u003c\/strong\u003e, a \u003cstrong data-start=\"1909\" data-end=\"1927\"\u003eSEER2 of 21.20\u003c\/strong\u003e, an \u003cstrong data-start=\"1932\" data-end=\"1949\"\u003eEER2 of 12.10\u003c\/strong\u003e, and an \u003cstrong data-start=\"1956\" data-end=\"1974\"\u003eHSPF2 of 10.40\u003c\/strong\u003e, important data for comparing this product to other \u003cstrong data-start=\"2047\" data-end=\"2106\"\u003ehigh-efficiency commercial and residential heat pump\u003c\/strong\u003e options.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1t3gvaj\" data-start=\"2109\" data-end=\"2205\"\u003eA solution adapted to the realities of Montreal, Laval, Longueuil, the North Shore, and the South Shore\u003c\/h3\u003e\n\u003cp data-start=\"2207\" data-end=\"2925\"\u003eIn the greater \u003cstrong data-start=\"2232\" data-end=\"2244\"\u003eMontreal\u003c\/strong\u003e area, open-plan buildings often pose the same challenge: effective air conditioning and heating are needed without creating uncomfortable zones. In \u003cstrong data-start=\"2387\" data-end=\"2396\"\u003eLaval\u003c\/strong\u003e, we often see businesses with sun-exposed storefronts, where the cooling load rapidly increases in the afternoon. In \u003cstrong data-start=\"2531\" data-end=\"2544\"\u003eLongueuil\u003c\/strong\u003e and on the \u003cstrong data-start=\"2555\" data-end=\"2567\"\u003eSouth Shore\u003c\/strong\u003e, many professional premises have suspended ceilings that allow for cassette integration, but drainage must be planned from the outset. On the \u003cstrong data-start=\"2734\" data-end=\"2747\"\u003eNorth Shore\u003c\/strong\u003e, some newer buildings offer good technical clearances, while others require tighter coordination with electrical, ceiling, and structural elements.\u003c\/p\u003e\n\u003cp data-start=\"2927\" data-end=\"3333\"\u003eThe \u003cstrong data-start=\"2930\" data-end=\"2960\"\u003eLG 3x3 48,000 BTU cassette\u003c\/strong\u003e is particularly relevant when the space needs to maintain a clean appearance. Unlike a wall-mounted unit, the cassette does not monopolize a wall for air discharge. It distributes air from the ceiling, in four directions, which helps reduce temperature differences between the window area, the back of a room, and circulation spaces.\u003c\/p\u003e\n\u003cp data-start=\"3335\" data-end=\"3789\"\u003eIn a retail store, this can mean fewer complaints near the checkout. In an office, it can prevent some workstations from receiving a direct blast of air. In a restaurant, it often allows for better management of variations between table areas, the entrance door, and internal heat gains. For an \u003cstrong data-start=\"3675\" data-end=\"3748\"\u003eHVAC installation in Montreal, Laval, Longueuil, North Shore, or South Shore\u003c\/strong\u003e, this nuance makes a real difference.\u003c\/p\u003e\n\u003ch3 data-section-id=\"zzax2w\" data-start=\"3791\" data-end=\"3863\"\u003eTechnical features that truly matter in the field\u003c\/h3\u003e\n\u003cp data-start=\"3865\" data-end=\"4019\"\u003eA \u003cstrong data-start=\"3879\" data-end=\"3893\"\u003e48,000 BTU\u003c\/strong\u003e product is not chosen based solely on its capacity figure. At AirGreen, we look at performance from several angles.\u003c\/p\u003e\n\u003ch4 data-start=\"4021\" data-end=\"4047\"\u003eCapacity and Efficiency\u003c\/h4\u003e\n\u003cp data-start=\"4049\" data-end=\"4576\"\u003eThis model offers a \u003cstrong data-start=\"4069\" data-end=\"4125\"\u003enominal cooling capacity of 48,000 BTU\/h\u003c\/strong\u003e and a maximum capacity of up to \u003cstrong data-start=\"4169\" data-end=\"4185\"\u003e53,000 BTU\/h\u003c\/strong\u003e depending on conditions. For heating, the LG data sheet indicates a range up to \u003cstrong data-start=\"4267\" data-end=\"4283\"\u003e54,000 BTU\/h\u003c\/strong\u003e, with notable performance in cold weather: \u003cstrong data-start=\"4332\" data-end=\"4356\"\u003e41,500 BTU\/h at 17 °F\u003c\/strong\u003e, \u003cstrong data-start=\"4358\" data-end=\"4381\"\u003e40,000 BTU\/h at 5 °F\u003c\/strong\u003e, and \u003cstrong data-start=\"4385\" data-end=\"4409\"\u003e36,960 BTU\/h at -4 °F\u003c\/strong\u003e, or approximately \u003cstrong data-start=\"4424\" data-end=\"4434\"\u003e-20 °C\u003c\/strong\u003e. For Quebec's climate, these data are essential, especially when an owner wants to reduce the use of supplementary heating.\u003c\/p\u003e\n\u003cp data-start=\"4578\" data-end=\"5014\"\u003eThis does not mean that the cassette should automatically replace all other heating sources. The right approach is to compare the available capacity at low temperatures with the building's heat losses. In a well-insulated space, the result can be excellent. In a heavily glazed space, exposed to wind, or poorly insulated, we might recommend a supplement, a zoning strategy, or another configuration.\u003c\/p\u003e\n\u003ch4 data-start=\"5016\" data-end=\"5059\"\u003eSound Level and User Comfort\u003c\/h4\u003e\n\u003cp data-start=\"5061\" data-end=\"5531\"\u003eThe indoor unit has a sound level of approximately \u003cstrong data-start=\"5115\" data-end=\"5132\"\u003e41 to 46 dB(A)\u003c\/strong\u003e depending on the speed, which is consistent with use in a commercial or professional environment where noise must remain under control. The indoor air flow can reach \u003cstrong data-start=\"5321\" data-end=\"5334\"\u003e1,130 CFM\u003c\/strong\u003e, with intermediate speeds around \u003cstrong data-start=\"5379\" data-end=\"5390\"\u003e953 CFM\u003c\/strong\u003e and \u003cstrong data-start=\"5394\" data-end=\"5405\"\u003e812 CFM\u003c\/strong\u003e. This variation is important: it allows the system to adapt to needs rather than operating abruptly.\u003c\/p\u003e\n\u003cp data-start=\"5533\" data-end=\"5905\"\u003eThe advertised dehumidification of \u003cstrong data-start=\"5566\" data-end=\"5593\"\u003e10.7 pints per hour\u003c\/strong\u003e is also a point to consider for businesses, gyms, salons, service areas, and buildings where doors open frequently during the summer. Good \u003cstrong data-start=\"5769\" data-end=\"5791\"\u003eHVAC air conditioning\u003c\/strong\u003e is not limited to cooling the air; it must also help control humidity to improve perceived comfort.\u003c\/p\u003e\n\u003ch4 data-start=\"5907\" data-end=\"5956\"\u003eR-32 Refrigerant and Specialized Installation\u003c\/h4\u003e\n\u003cp data-start=\"5958\" data-end=\"6539\"\u003eThis model uses \u003cstrong data-start=\"5979\" data-end=\"5987\"\u003eR-32\u003c\/strong\u003e, a refrigerant that requires rigorous installation practices: clean brazing, adequate vacuuming, adherence to piping lengths, leak testing, and complete commissioning. The LG data sheet mentions \u003cstrong data-start=\"6221\" data-end=\"6247\"\u003e3\/8 inch liquid\u003c\/strong\u003e and \u003cstrong data-start=\"6251\" data-end=\"6276\"\u003e5\/8 inch vapor\u003c\/strong\u003e piping, as well as an initial refrigerant charge of \u003cstrong data-start=\"6325\" data-end=\"6336\"\u003e6.63 lbs\u003c\/strong\u003e. The maximum piping length can reach \u003cstrong data-start=\"6388\" data-end=\"6398\"\u003e246 feet\u003c\/strong\u003e, with a length without additional refrigerant of \u003cstrong data-start=\"6447\" data-end=\"6458\"\u003e24.6 feet\u003c\/strong\u003e, which offers flexibility but does not replace precise planning.\u003c\/p\u003e\n\u003cp data-start=\"6541\" data-end=\"6869\"\u003eAt AirGreen, we always verify the actual route before confirming installation. A path that is too complex, an inadequate slope, or poor protection of the piping can reduce performance and complicate maintenance. It is often at this stage that the experience of a qualified refrigeration technician makes the difference.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1v2bacb\" data-start=\"6871\" data-end=\"6963\"\u003eLogisVert Subsidy: why the displayed amount warrants professional validation\u003c\/h3\u003e\n\u003cp data-start=\"6965\" data-end=\"7517\"\u003eThe AirGreen product sheet indicates a \u003cstrong data-start=\"7003\" data-end=\"7050\"\u003eLogisVert provincial subsidy of $3,864\u003c\/strong\u003e, with an update dated \u003cstrong data-start=\"7082\" data-end=\"7102\"\u003eNovember 26, 2025\u003c\/strong\u003e. This amount is consistent with the calculation principle applicable to eligible efficient heat pumps when assistance is based on heating capacity at \u003cstrong data-start=\"7261\" data-end=\"7270\"\u003e-8 °C\u003c\/strong\u003e. Hydro-Québec states that financial assistance can be \u003cstrong data-start=\"7328\" data-end=\"7360\"\u003e$50 per 1,000 BTU\/h at -8 °C\u003c\/strong\u003e for an ENERGY STAR® certified heat pump, or \u003cstrong data-start=\"7412\" data-end=\"7445\"\u003e$120 per 1,000 BTU\/h at -8 °C\u003c\/strong\u003e when it is cold-climate type, according to program requirements.\u003c\/p\u003e\n\u003cp data-start=\"7519\" data-end=\"7897\"\u003eIn the case of this model, the AirGreen sheet indicates a capacity at \u003cstrong data-start=\"7586\" data-end=\"7609\"\u003e-8 °C of 32,200 BTU\u003c\/strong\u003e, which gives \u003cstrong data-start=\"7624\" data-end=\"7650\"\u003e32.2 x $120 = $3,864\u003c\/strong\u003e. Hydro-Québec also specifies that its search tool allows for evaluation of financial assistance based on the model number or the \u003cstrong data-start=\"7783\" data-end=\"7791\"\u003eAHRI\u003c\/strong\u003e number, and that the AHRI number simplifies validation as it identifies a precise combination of equipment.\u003c\/p\u003e\n\u003cp data-start=\"7899\" data-end=\"8306\"\u003eOur recommendation is clear: before signing, eligibility must be validated according to the address, building type, installation date, applicant's situation, and current regulations. We help our clients gather the necessary information, including model numbers, \u003cstrong data-start=\"8194\" data-end=\"8212\"\u003eAHRI 214836842\u003c\/strong\u003e, proof of installation, invoice, and required photos when the program requests it.\u003c\/p\u003e\n\u003ch3 data-section-id=\"106qkb9\" data-start=\"8308\" data-end=\"8367\"\u003eWhere this LG cassette stands out in a real project\u003c\/h3\u003e\n\u003cp data-start=\"8369\" data-end=\"8735\"\u003eA frequent scenario we encounter on the \u003cstrong data-start=\"8418\" data-end=\"8430\"\u003eSouth Shore\u003c\/strong\u003e concerns commercial premises between 1,800 and 3,000 sq ft, with suspended ceilings, recessed lighting, and few walls available for an indoor unit. The client often wants to avoid visible ducts, preserve the appearance of the premises, and achieve a stable temperature from morning opening.\u003c\/p\u003e\n\u003cp data-start=\"8737\" data-end=\"9197\"\u003eIn this type of mandate, a 3x3 cassette can be installed in the strategic center of the area to be treated, while the outdoor unit is positioned in a location that respects noise, service accessibility, and air clearance. We then check the airflow range, the impact on workstations, the position of air returns, the path of the refrigerant line, the condensate pump, and access to the panel for \u003cstrong data-start=\"9178\" data-end=\"9196\"\u003eHVAC maintenance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"9199\" data-end=\"9742\"\u003eIn a professional services office in \u003cstrong data-start=\"9242\" data-end=\"9251\"\u003eLaval\u003c\/strong\u003e, for example, a cassette can correct a typical problem: the front of the office gets too hot due to storefront windows, while the back remains cool. A bad solution would be to install a wall-mounted unit on the first available wall. A better solution involves analyzing air circulation, internal heat sources, and occupancy periods, then choosing the location that reduces temperature differences without creating a direct draft on customers.\u003c\/p\u003e\n\u003ch3 data-section-id=\"uakdy8\" data-start=\"9744\" data-end=\"9817\"\u003eMistakes to avoid before installing a 48,000 BTU 3x3 cassette\u003c\/h3\u003e\n\u003ch4 data-start=\"9819\" data-end=\"9873\"\u003eChoosing the cassette solely for its appearance\u003c\/h4\u003e\n\u003cp data-start=\"9875\" data-end=\"10361\"\u003eA recessed cassette is elegant, but aesthetics alone are not enough. It must be confirmed that the ceiling allows for installation, that the structure can support the weight, that the grille is accessible, and that required clearances are respected. LG technical diagrams show the dimensions of the outdoor unit, indoor cassette, anchoring points, ceiling openings, and drain connection – details that we validate before proposing a definitive location.\u003c\/p\u003e\n\u003ch4 data-start=\"10363\" data-end=\"10407\"\u003eUnderestimating condensate drainage\u003c\/h4\u003e\n\u003cp data-start=\"10409\" data-end=\"10754\"\u003eThe internal condensate pump is an advantage, but it does not make drainage automatic in all configurations. The lift height, drain slope, line insulation, access for maintenance, and prevention of backflows must be planned. Many avoidable service calls start with a poorly planned drain.\u003c\/p\u003e\n\u003ch4 data-start=\"10756\" data-end=\"10792\"\u003eInstalling without a load calculation\u003c\/h4\u003e\n\u003cp data-start=\"10794\" data-end=\"11172\"\u003eA \u003cstrong data-start=\"10809\" data-end=\"10823\"\u003e48,000 BTU\u003c\/strong\u003e unit can be too large for a well-insulated space and too small for a highly exposed location. Capacity must be evaluated based on area, height, insulation, windows, solar orientation, occupancy, internal equipment, and the actual use of the building. At AirGreen, we do not limit ourselves to a quick per-square-foot estimate.\u003c\/p\u003e\n\u003ch4 data-start=\"11174\" data-end=\"11200\"\u003eForgetting about electricity\u003c\/h4\u003e\n\u003cp data-start=\"11202\" data-end=\"11598\"\u003eThe product sheet indicates a \u003cstrong data-start=\"11247\" data-end=\"11256\"\u003e220 V\u003c\/strong\u003e power supply, a \u003cstrong data-start=\"11262\" data-end=\"11302\"\u003eminimum circuit amperage of 32 A\u003c\/strong\u003e, and a maximum overcurrent protection of \u003cstrong data-start=\"11349\" data-end=\"11357\"\u003e40 A\u003c\/strong\u003e. These data must be confirmed with the existing electrical panel. When the building is older, especially in certain areas of \u003cstrong data-start=\"11503\" data-end=\"11515\"\u003eMontreal\u003c\/strong\u003e or \u003cstrong data-start=\"11522\" data-end=\"11535\"\u003eLongueuil\u003c\/strong\u003e, this verification can influence the budget and timeline.\u003c\/p\u003e\n\u003ch3 data-section-id=\"105viky\" data-start=\"11600\" data-end=\"11667\"\u003eHVAC Maintenance: maintaining stable performance year after year\u003c\/h3\u003e\n\u003cp data-start=\"11669\" data-end=\"12157\"\u003eA ceiling cassette requires regular maintenance. Filters must be cleaned, the condensate pump checked, the drain pan inspected, the indoor coil cleaned as needed, the outdoor unit cleared, and operating parameters controlled. For a commercial space, we often recommend an \u003cstrong data-start=\"11992\" data-end=\"12010\"\u003eHVAC maintenance\u003c\/strong\u003e frequency adapted to usage: a salon, restaurant, or dusty location requires more attention than a standard administrative office.\u003c\/p\u003e\n\u003cp data-start=\"12159\" data-end=\"12532\"\u003ePreventive maintenance helps maintain comfort, but also protects the compressor, fan, electronic boards, and sensors. For an \u003cstrong data-start=\"12326\" data-end=\"12334\"\u003eR-32\u003c\/strong\u003e system, the quality of commissioning and technical follow-up are even more important, especially to avoid performance losses related to inadequate charge or an air circulation problem.\u003c\/p\u003e\n\u003ch3 data-section-id=\"3ov684\" data-start=\"12534\" data-end=\"12606\"\u003eWhy choose AirGreen for this LG 3x3 Cassette Ceiling Unit\u003c\/h3\u003e\n\u003cp data-start=\"12608\" data-end=\"12922\"\u003eAirGreen installs, maintains, and repairs \u003cstrong data-start=\"12661\" data-end=\"12697\"\u003eresidential and commercial HVAC systems\u003c\/strong\u003e in the greater \u003cstrong data-start=\"12723\" data-end=\"12735\"\u003eMontreal\u003c\/strong\u003e area, in \u003cstrong data-start=\"12739\" data-end=\"12748\"\u003eLaval\u003c\/strong\u003e, \u003cstrong data-start=\"12752\" data-end=\"12765\"\u003eLongueuil\u003c\/strong\u003e, on the \u003cstrong data-start=\"12774\" data-end=\"12787\"\u003eNorth Shore\u003c\/strong\u003e, the \u003cstrong data-start=\"12792\" data-end=\"12804\"\u003eSouth Shore\u003c\/strong\u003e, and in \u003cstrong data-start=\"12811\" data-end=\"12825\"\u003eMontérégie\u003c\/strong\u003e. Our approach is based on three elements: proper sizing, proper installation, and proper support.\u003c\/p\u003e\n\u003cp data-start=\"12924\" data-end=\"13413\"\u003eWe propose this LG model when its features truly match the building. We explain the limitations, options, costs, site constraints, and maintenance requirements before work begins. We prepare a clear offer, with no surprises at the end of the project, and our refrigeration technicians work according to industry standards, with the necessary experience to coordinate piping, electricity, drainage, wall control, optional WiFi, and service accessibility.\u003c\/p\u003e\n\u003cp data-start=\"13415\" data-end=\"13822\"\u003eFor commercial and building owners, this rigor avoids costly decisions. For residential clients with large open spaces, it provides more homogeneous comfort than with a poorly adapted wall solution. For multi-unit housing managers or mixed-use buildings, it facilitates long-term planning of \u003cstrong data-start=\"13774\" data-end=\"13795\"\u003eHVAC installation\u003c\/strong\u003e and after-sales service.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1mx9mtp\" data-start=\"13824\" data-end=\"13882\"\u003eA strategic choice for demanding large spaces\u003c\/h3\u003e\n\u003cp data-start=\"13884\" data-end=\"14426\"\u003eThe \u003cstrong data-start=\"13887\" data-end=\"13938\"\u003eLG 3x3 Cassette Ceiling Unit | 48,000 BTU\u003c\/strong\u003e is a serious solution for spaces where performance, visual discretion, and uniform air distribution must work together. With its Inverter compressor, \u003cstrong data-start=\"14132\" data-end=\"14148\"\u003eENERGY STAR®\u003c\/strong\u003e certification, cold-climate compatibility, \u003cstrong data-start=\"14197\" data-end=\"14205\"\u003eR-32\u003c\/strong\u003e refrigerant, heating capacity down to approximately \u003cstrong data-start=\"14248\" data-end=\"14258\"\u003e-20 °C\u003c\/strong\u003e, and control options, it positions itself as an excellent candidate for many \u003cstrong data-start=\"14358\" data-end=\"14425\"\u003eheat pump projects in Montreal, Laval, Longueuil, the North Shore, and the South Shore\u003c\/strong\u003e.\u003c\/p\u003e\u003cp data-start=\"14428\" data-end=\"14779\"\u003eThe actual result, however, depends on the installation. A ceiling cassette of this capacity must be integrated methodically, not simply added to an existing ceiling. At AirGreen, we take the time to evaluate the building, validate constraints, and propose a configuration that respects both comfort and system durability.\u003c\/p\u003e\n\u003cp data-start=\"14781\" data-end=\"15106\"\u003eTo get a price, validate possible subsidies, compare this model to other LG options, or schedule a technical visit, contact AirGreen now. Our team will assist you with a \u003cstrong data-start=\"14984\" data-end=\"15010\"\u003eclear HVAC quote\u003c\/strong\u003e, professional installation, and reliable service throughout the greater Montreal area.\u003c\/p\u003e","brand":"LG","offers":[{"title":"Default Title","offer_id":53340600271140,"sku":"KNSCB481A","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/CASSETTEDEPLAFONDr32MONTREAL_LAVAL_LONGUEUIL_RIVESUD_RIVENORD_0901447f-863f-4d86-a844-1662543c2f58.png?v=1777634935","url":"https:\/\/airgreen.ca\/en\/products\/lg-plafonnier-de-type-cassette-3x3-48-000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}