{"product_id":"lg-plafonnier-de-type-cassette-3x3-42-000-btu","title":"LG : 3x3 cassette ceiling-mounted unit | 42,000 BTU","description":"\u003ch2 data-section-id=\"1n7nbhg\" data-start=\"70\" data-end=\"164\"\u003eA discreet HVAC solution for large spaces requiring uniform air distribution\u003c\/h2\u003e\n\u003cp data-start=\"166\" data-end=\"735\"\u003eThe \u003cstrong data-start=\"169\" data-end=\"222\"\u003eLG: 3x3 Cassette Ceiling Mount | 42,000 BTU\u003c\/strong\u003e is designed for environments where a traditional wall unit may not always meet the actual needs of the building: open-plan stores, offices, restaurants, training rooms, common areas in condominiums, professional premises, clean workshops, clinics, waiting rooms, or large open-plan residential spaces. At AirGreen, we recommend this type of \u003cstrong data-start=\"603\" data-end=\"634\"\u003eLG 3x3 cassette heat pump\u003c\/strong\u003e when comfort needs to be distributed over a large area without interfering with interior design.\u003c\/p\u003e\n\u003cp data-start=\"737\" data-end=\"1350\"\u003eThis model, consisting of the indoor unit \u003cstrong data-start=\"778\" data-end=\"791\"\u003eKNSCB421A\u003c\/strong\u003e and the outdoor unit \u003cstrong data-start=\"817\" data-end=\"830\"\u003eKUSXB421A\u003c\/strong\u003e, belongs to the \u003cstrong data-start=\"854\" data-end=\"913\"\u003eKSSCB421A R32 Single Zone 3x3 Four-Way Ceiling Cassette\u003c\/strong\u003e series. Its nominal capacity of \u003cstrong data-start=\"939\" data-end=\"970\"\u003e42,000 BTU for air conditioning\u003c\/strong\u003e and its heating performance make it a serious choice for several \u003cstrong data-start=\"1050\" data-end=\"1124\"\u003eHVAC projects in Montreal, Laval, Longueuil, on the North Shore, and on the South Shore\u003c\/strong\u003e. The LG technical sheet specifically indicates a cooling capacity of \u003cstrong data-start=\"1201\" data-end=\"1226\"\u003e16,800 to 48,700 BTU\/h\u003c\/strong\u003e, a heating capacity of \u003cstrong data-start=\"1257\" data-end=\"1282\"\u003e18,800 to 49,800 BTU\/h\u003c\/strong\u003e, a \u003cstrong data-start=\"1287\" data-end=\"1304\"\u003eSEER2 of 21.0\u003c\/strong\u003e, an \u003cstrong data-start=\"1309\" data-end=\"1325\"\u003eEER2 of 13.2\u003c\/strong\u003e, and an \u003cstrong data-start=\"1332\" data-end=\"1349\"\u003eHSPF2 of 10.8\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-section-id=\"g8rf9f\" data-start=\"1352\" data-end=\"1437\"\u003eA cassette ceiling unit designed for commercial ceilings and open spaces\u003c\/h3\u003e\n\u003cp data-start=\"1439\" data-end=\"1880\"\u003eThe 3x3 cassette format offers a concrete advantage: air is diffused in multiple directions from the ceiling. In a rectangular room or an open-plan area, this diffusion reduces cold spots near the unit and excessively warm areas on the opposite side of the room. For many AirGreen clients, this is precisely what distinguishes simply functional air conditioning from truly stable comfort.\u003c\/p\u003e\n\u003cp data-start=\"1882\" data-end=\"2286\"\u003eThe indoor unit measures approximately \u003cstrong data-start=\"1916\" data-end=\"1943\"\u003e37.38 x 37.38 x 9.38 inches\u003c\/strong\u003e, allowing for neat integration into a suspended ceiling or an adapted architectural configuration. The outdoor unit, with its dimensions of approximately \u003cstrong data-start=\"2103\" data-end=\"2128\"\u003e37.41 x 13 x 54.25 inches\u003c\/strong\u003e, must be installed with particular attention to service access, clearance, air discharge, and the perceived noise level by the neighborhood.\u003c\/p\u003e\n\u003cp data-start=\"2288\" data-end=\"2670\"\u003eIn several \u003cstrong data-start=\"2314\" data-end=\"2354\"\u003ecommercial air conditioning projects in Montreal\u003c\/strong\u003e and \u003cstrong data-start=\"2361\" data-end=\"2398\"\u003eheat pump heating in Laval\u003c\/strong\u003e, we find that clients are looking for three things: a discreet appearance, reliable performance, and an installation that does not complicate the daily use of the premises. The LG cassette meets these priorities well when properly sized and positioned.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ji90my\" data-start=\"2672\" data-end=\"2721\"\u003ePerformance adapted to the Quebec climate\u003c\/h3\u003e\n\u003cp data-start=\"2723\" data-end=\"3239\"\u003eThis model is \u003cstrong data-start=\"2746\" data-end=\"2762\"\u003eENERGY STAR®\u003c\/strong\u003e and \u003cstrong data-start=\"2766\" data-end=\"2795\"\u003eENERGY STAR® Cold Climate\u003c\/strong\u003e certified, with ENERGY STAR ID \u003cstrong data-start=\"2828\" data-end=\"2839\"\u003e3544271\u003c\/strong\u003e indicated in the product information. For building owners and managers, this certification is a useful benchmark, but it never replaces a building analysis. A \u003cstrong data-start=\"3046\" data-end=\"3060\"\u003e42,000 BTU\u003c\/strong\u003e heat pump must be selected based on the area, insulation, fenestration, solar orientation, number of occupants, internal loads, and type of use.\u003c\/p\u003e\n\u003cp data-start=\"3241\" data-end=\"3740\"\u003eThe product sheet also indicates a low-temperature heating capacity, with maintained heating performance even in cold conditions. LG technical documentation mentions maximum heating values at different outdoor temperatures, including \u003cstrong data-start=\"3520\" data-end=\"3544\"\u003e41,500 BTU\/h at 17°F\u003c\/strong\u003e, \u003cstrong data-start=\"3546\" data-end=\"3569\"\u003e40,000 BTU\/h at 5°F\u003c\/strong\u003e, and \u003cstrong data-start=\"3573\" data-end=\"3597\"\u003e35,200 BTU\/h at -4°F\u003c\/strong\u003e. For a building in Quebec, this information is essential, as heating needs are not limited to mild autumn days.\u003c\/p\u003e\n\u003cp data-start=\"3742\" data-end=\"4316\"\u003eAt AirGreen, we always analyze the actual use of the premises before proposing a \u003cstrong data-start=\"3825\" data-end=\"3865\"\u003ecassette heat pump installation\u003c\/strong\u003e. A restaurant with an open kitchen, for example, does not have the same thermal loads as an administrative office of the same size. A business with a door opening directly onto the street, in \u003cstrong data-start=\"4065\" data-end=\"4078\"\u003eLongueuil\u003c\/strong\u003e or \u003cstrong data-start=\"4084\" data-end=\"4096\"\u003eMontreal\u003c\/strong\u003e, may experience frequent losses during entries and exits. A glass-enclosed conference room on the \u003cstrong data-start=\"4198\" data-end=\"4210\"\u003eSouth Shore\u003c\/strong\u003e can quickly gain heat in the afternoon. These details directly influence the final comfort.\u003c\/p\u003e\n\u003ch3 data-section-id=\"18sydab\" data-start=\"4318\" data-end=\"4385\"\u003eR-32, Inverter compressor and precise temperature control\u003c\/h3\u003e\n\u003cp data-start=\"4387\" data-end=\"4743\"\u003eThe system uses \u003cstrong data-start=\"4421\" data-end=\"4429\"\u003eR-32\u003c\/strong\u003e refrigerant and a \u003cstrong data-start=\"4448\" data-end=\"4479\"\u003evariable-speed Inverter\u003c\/strong\u003e compressor. In practice, this means the equipment doesn't have to operate solely in on\/off mode. It can modulate its capacity to maintain a more stable temperature, reduce sudden variations, and improve efficiency when demand is partial.\u003c\/p\u003e\n\u003cp data-start=\"4745\" data-end=\"5216\"\u003eFor a customer, this modulation often translates into more consistent comfort. In a service office located in \u003cstrong data-start=\"4862\" data-end=\"4871\"\u003eLaval\u003c\/strong\u003e, for instance, an overly aggressive heat pump might quickly cool workstations near the air outlet while leaving the back of the room warmer. With a properly installed cassette, the airflow is better distributed, and the Inverter compressor adjusts its operation instead of causing short, uncomfortable cycles.\u003c\/p\u003e\n\u003cp data-start=\"5218\" data-end=\"5641\"\u003eThe LG model also includes an \u003cstrong data-start=\"5253\" data-end=\"5291\"\u003eR-32 leak detection sensor\u003c\/strong\u003e, a \u003cstrong data-start=\"5297\" data-end=\"5328\"\u003ebuilt-in condensate pump\u003c\/strong\u003e, the \u003cstrong data-start=\"5342\" data-end=\"5358\"\u003eAuto Restart\u003c\/strong\u003e function, \u003cstrong data-start=\"5368\" data-end=\"5387\"\u003eAuto Changeover\u003c\/strong\u003e mode, the \u003cstrong data-start=\"5401\" data-end=\"5413\"\u003eJet Cool\u003c\/strong\u003e function, \u003cstrong data-start=\"5434\" data-end=\"5448\"\u003eSwirl Wind\u003c\/strong\u003e airflow, a silent turbo fan, and \u003cstrong data-start=\"5493\" data-end=\"5518\"\u003eNight Quiet Operation\u003c\/strong\u003e mode. \u003cstrong data-start=\"5523\" data-end=\"5562\"\u003eWi-Fi control is optional\u003c\/strong\u003e, especially with the compatible module indicated in the available accessories.\u003c\/p\u003e\n\u003ch3 data-section-id=\"jqtbjz\" data-start=\"5643\" data-end=\"5715\"\u003eImportant technical data for professional installation\u003c\/h3\u003e\n\u003cp data-start=\"5717\" data-end=\"5879\"\u003eInstalling a ceiling cassette is never limited to fixing a unit and connecting two pipes. This type of equipment requires rigorous planning.\u003c\/p\u003e\n\u003cp data-start=\"5881\" data-end=\"5974\"\u003eHere are the technical characteristics that directly influence fieldwork:\u003c\/p\u003e\n\u003cul data-start=\"5976\" data-end=\"6622\"\u003e\n\u003cli data-section-id=\"z3tilq\" data-start=\"5976\" data-end=\"6037\"\u003e\n\u003cstrong data-start=\"5978\" data-end=\"6005\"\u003eElectrical supply\u003c\/strong\u003e: 208-230 V \/ 60 Hz \/ 1 phase\u003c\/li\u003e\n\u003cli data-section-id=\"8ncg9p\" data-start=\"6038\" data-end=\"6056\"\u003e\n\u003cstrong data-start=\"6040\" data-end=\"6047\"\u003eMCA\u003c\/strong\u003e: 32 A\u003c\/li\u003e\n\u003cli data-section-id=\"1pjh43p\" data-start=\"6057\" data-end=\"6075\"\u003e\n\u003cstrong data-start=\"6059\" data-end=\"6066\"\u003eMOP\u003c\/strong\u003e: 40 A\u003c\/li\u003e\n\u003cli data-section-id=\"zn71ke\" data-start=\"6076\" data-end=\"6144\"\u003e\n\u003cstrong data-start=\"6078\" data-end=\"6092\"\u003ePiping\u003c\/strong\u003e: 3\/8 in for liquid and 5\/8 in for vapor\u003c\/li\u003e\n\u003cli data-section-id=\"2ddor6\" data-start=\"6145\" data-end=\"6209\"\u003e\n\u003cstrong data-start=\"6147\" data-end=\"6172\"\u003eRefrigerant charge\u003c\/strong\u003e: 6.63 lbs according to the technical sheet\u003c\/li\u003e\n\u003cli data-section-id=\"10mdzhv\" data-start=\"6210\" data-end=\"6279\"\u003e\n\u003cstrong data-start=\"6212\" data-end=\"6258\"\u003eMinimum \/ maximum piping length\u003c\/strong\u003e: 16.4 ft to 246 ft\u003c\/li\u003e\n\u003cli data-section-id=\"ncd2ww\" data-start=\"6280\" data-end=\"6332\"\u003e\n\u003cstrong data-start=\"6282\" data-end=\"6320\"\u003eLength without refrigerant addition\u003c\/strong\u003e: 24.6 ft\u003c\/li\u003e\n\u003cli data-section-id=\"1fnxt83\" data-start=\"6333\" data-end=\"6367\"\u003e\n\u003cstrong data-start=\"6335\" data-end=\"6355\"\u003eMaximum elevation difference\u003c\/strong\u003e: 98.4 ft\u003c\/li\u003e\n\u003cli data-section-id=\"17ugj0w\" data-start=\"6368\" data-end=\"6416\"\u003e\n\u003cstrong data-start=\"6370\" data-end=\"6391\"\u003eDehumidification\u003c\/strong\u003e: 8.4 pints per hour\u003c\/li\u003e\n\u003cli data-section-id=\"e1t8zd\" data-start=\"6417\" data-end=\"6474\"\u003e\n\u003cstrong data-start=\"6419\" data-end=\"6444\"\u003eIndoor air flow\u003c\/strong\u003e: up to approximately 1,130 CFM\u003c\/li\u003e\n\u003cli data-section-id=\"3algdj\" data-start=\"6475\" data-end=\"6552\"\u003e\n\u003cstrong data-start=\"6477\" data-end=\"6504\"\u003eIndoor sound level\u003c\/strong\u003e: approximately 46 \/ 43 \/ 41 dB(A) depending on speed\u003c\/li\u003e\n\u003cli data-section-id=\"kfzn7g\" data-start=\"6553\" data-end=\"6622\"\u003e\n\u003cstrong data-start=\"6555\" data-end=\"6582\"\u003eOutdoor sound level\u003c\/strong\u003e: approximately 54 \/ 56 dB(A) depending on mode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"6624\" data-end=\"7110\"\u003eThese figures are useful, but their interpretation requires experience. A longer refrigerant line may necessitate a precise charge adjustment. A unit installed in a suspended ceiling must also allow access to the filter, drain, electrical connections, and service components. The positioning of the outdoor unit must respect clearances, limit air recirculation, and facilitate HVAC maintenance in both winter and summer.\u003c\/p\u003e\n\u003ch3 data-section-id=\"ctm73l\" data-start=\"7112\" data-end=\"7171\"\u003eThe crucial role of drainage and the condensate pump\u003c\/h3\u003e\n\u003cp data-start=\"7173\" data-end=\"7551\"\u003eIn a \u003cstrong data-start=\"7182\" data-end=\"7214\"\u003eceiling HVAC installation\u003c\/strong\u003e, condensate management is one of the most important points. The LG model integrates a condensate pump, which facilitates the evacuation of water produced during air conditioning and dehumidification. However, an integrated pump does not correct a poorly designed slope, an overly long drain, an inadequate trap, or an improperly protected outlet.\u003c\/p\u003e\n\u003cp data-start=\"7553\" data-end=\"8027\"\u003eAt AirGreen, we pay particular attention to the drain's trajectory. In a business on the \u003cstrong data-start=\"7658\" data-end=\"7671\"\u003eNorth Shore\u003c\/strong\u003e, we were once called to correct an installation by a third party where the cassette functioned well refrigeration-wise, but caused repeated shutdowns due to improperly configured condensate drainage. The lesson is simple: even an excellent appliance can yield poor results if installation details are neglected.\u003c\/p\u003e\n\u003cp data-start=\"8029\" data-end=\"8100\"\u003eFor this \u003cstrong data-start=\"8047\" data-end=\"8073\"\u003eLG cassette ceiling unit\u003c\/strong\u003e model, we specifically validate:\u003c\/p\u003e\n\u003cul data-start=\"8102\" data-end=\"8347\"\u003e\n\u003cli data-section-id=\"5xt4po\" data-start=\"8102\" data-end=\"8142\"\u003efuture access to the condensate pump;\u003c\/li\u003e\n\u003cli data-section-id=\"1gsamea\" data-start=\"8143\" data-end=\"8177\"\u003ethe slope and support of the drain;\u003c\/li\u003e\n\u003cli data-section-id=\"vpcf4n\" data-start=\"8178\" data-end=\"8215\"\u003ethe risk of freezing or backflow;\u003c\/li\u003e\n\u003cli data-section-id=\"1gwfsbn\" data-start=\"8216\" data-end=\"8252\"\u003ethe location of access panels;\u003c\/li\u003e\n\u003cli data-section-id=\"1vghunt\" data-start=\"8253\" data-end=\"8288\"\u003ethe protection of finished ceilings;\u003c\/li\u003e\n\u003cli data-section-id=\"1w7nndc\" data-start=\"8289\" data-end=\"8347\"\u003eease of cleaning during seasonal maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"exo3u5\" data-start=\"8349\" data-end=\"8405\"\u003eAcoustic comfort to consider from the design stage\u003c\/h3\u003e\n\u003cp data-start=\"8407\" data-end=\"8758\"\u003eThe stated indoor sound level, around \u003cstrong data-start=\"8453\" data-end=\"8470\"\u003e41 to 46 dB(A)\u003c\/strong\u003e depending on speed, is suitable for many commercial environments and spacious residential areas. However, acoustic comfort also depends on the type of ceiling, room reverberation, the distance between the unit and occupants, and the choice of ventilation speeds.\u003c\/p\u003e\n\u003cp data-start=\"8760\" data-end=\"9166\"\u003eIn a waiting room, a closed office, or a meeting room, we avoid placing the cassette directly above a workstation occupied for long periods. In an open commercial space, the ideal location is often in the center of the main area, but lighting, sprinklers, ceiling drop-downs, existing ducts, and building requirements must also be considered.\u003c\/p\u003e\n\u003ch3 data-section-id=\"2bg2x1\" data-start=\"9168\" data-end=\"9248\"\u003eLogisVert grant and eligibility: a point to validate before work begins\u003c\/h3\u003e\n\u003cp data-start=\"9250\" data-end=\"9679\"\u003eThe provided information indicates a \u003cstrong data-start=\"9290\" data-end=\"9337\"\u003e$3,600 provincial LogisVert grant\u003c\/strong\u003e, with an update dated \u003cstrong data-start=\"9369\" data-end=\"9389\"\u003eNovember 26, 2025\u003c\/strong\u003e. For clients in \u003cstrong data-start=\"9410\" data-end=\"9477\"\u003eMontreal, Laval, Longueuil, on the North Shore, and on the South Shore\u003c\/strong\u003e, this amount can make the project more advantageous, but eligibility must always be confirmed according to the type of building, the installed equipment, program criteria, and required documents.\u003c\/p\u003e\n\u003cp data-start=\"9681\" data-end=\"9989\"\u003eAt AirGreen, we assist our clients in this verification. We know that subsidies can influence the decision, but we recommend choosing a system suited to the building first. An eligible but improperly sized heat pump will not deliver the expected savings or comfort.\u003c\/p\u003e\n\u003ch2 data-section-id=\"9746l8\" data-start=\"9991\" data-end=\"10072\"\u003eWhy AirGreen installs this type of LG cassette with a tailored approach\u003c\/h2\u003e\n\u003ch3 data-section-id=\"15c34pc\" data-start=\"10074\" data-end=\"10131\"\u003eA field evaluation before the final recommendation\u003c\/h3\u003e\n\u003cp data-start=\"10133\" data-end=\"10544\"\u003eWe do not automatically recommend a 3x3 \u003cstrong data-start=\"10194\" data-end=\"10208\"\u003e42,000 BTU\u003c\/strong\u003e cassette simply because a space appears large. Before proposing this LG model, we evaluate the site's actual needs. This step is essential for \u003cstrong data-start=\"10361\" data-end=\"10388\"\u003ecommercial heat pump\u003c\/strong\u003e projects, \u003cstrong data-start=\"10393\" data-end=\"10421\"\u003eair conditioning in Montreal\u003c\/strong\u003e, \u003cstrong data-start=\"10426\" data-end=\"10447\"\u003eheating in Laval\u003c\/strong\u003e, \u003cstrong data-start=\"10451\" data-end=\"10484\"\u003eHVAC installation in Longueuil\u003c\/strong\u003e, or replacing an old system on the \u003cstrong data-start=\"10531\" data-end=\"10543\"\u003eSouth Shore\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"10546\" data-end=\"10599\"\u003eOur evaluation takes several elements into account:\u003c\/p\u003e\n\u003cul data-start=\"10601\" data-end=\"10979\"\u003e\n\u003cli data-section-id=\"aehdra\" data-start=\"10601\" data-end=\"10642\"\u003esurface area and ceiling height;\u003c\/li\u003e\n\u003cli data-section-id=\"1m4336b\" data-start=\"10643\" data-end=\"10671\"\u003equality of insulation;\u003c\/li\u003e\n\u003cli data-section-id=\"1z0ucue\" data-start=\"10672\" data-end=\"10697\"\u003esun exposure;\u003c\/li\u003e\n\u003cli data-section-id=\"1q69kzu\" data-start=\"10698\" data-end=\"10732\"\u003epresence of large display windows;\u003c\/li\u003e\n\u003cli data-section-id=\"1bbhz7g\" data-start=\"10733\" data-end=\"10757\"\u003enumber of occupants;\u003c\/li\u003e\n\u003cli data-section-id=\"1u3zm68\" data-start=\"10758\" data-end=\"10797\"\u003eheat-generating appliances;\u003c\/li\u003e\n\u003cli data-section-id=\"krfwmi\" data-start=\"10798\" data-end=\"10835\"\u003euse of the premises during the day;\u003c\/li\u003e\n\u003cli data-section-id=\"1uqful3\" data-start=\"10836\" data-end=\"10866\"\u003eelectrical constraints;\u003c\/li\u003e\n\u003cli data-section-id=\"zei999\" data-start=\"10867\" data-end=\"10914\"\u003epossible location of the outdoor unit;\u003c\/li\u003e\n\u003cli data-section-id=\"1vqs2hm\" data-start=\"10915\" data-end=\"10945\"\u003eacceptable sound level;\u003c\/li\u003e\n\u003cli data-section-id=\"cxydtv\" data-start=\"10946\" data-end=\"10979\"\u003efuture maintenance needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"10981\" data-end=\"11230\"\u003eThis method avoids two common errors: installing an underpowered system that runs continuously, or installing an overpowered unit that creates short cycles, poor dehumidification, and discomfort near air outlets.\u003c\/p\u003e\n\u003ch3 data-section-id=\"c7cunb\" data-start=\"11232\" data-end=\"11298\"\u003eConcrete example: a commercial space with a large open area\u003c\/h3\u003e\n\u003cp data-start=\"11300\" data-end=\"11700\"\u003eIn a typical project encountered by our teams, a commercial premises owner wanted to replace an old wall-mounted system that primarily cooled the front of the business, near the cash register, while leaving the back uncomfortable on hot days. The space had an open area, a suspended ceiling, several recessed lights, and a window display exposed to the afternoon sun.\u003c\/p\u003e\n\u003cp data-start=\"11702\" data-end=\"12096\"\u003eA 3x3 cassette like this LG model was relevant because it allowed for more balanced air distribution. The main issue was not just the BTU capacity, but the distribution. After analyzing the ceiling, the refrigerant path, the drain, and the outdoor positioning, the central cassette solution offered a better compromise between performance, aesthetics, and comfort.\u003c\/p\u003e\n\u003cp data-start=\"12098\" data-end=\"12342\"\u003eThe expected result in this type of configuration is a more homogeneous temperature, a reduction in complaints related to areas that are too cold or too hot, and an installation that frees up walls for displays, shelving, or furniture.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1al827j\" data-start=\"12344\" data-end=\"12397\"\u003eMistakes to avoid with a ceiling cassette\u003c\/h3\u003e\n\u003cp data-start=\"12399\" data-end=\"12481\"\u003eEven with a reliable product, several errors can compromise performance:\u003c\/p\u003e\n\u003cp data-start=\"12483\" data-end=\"12661\"\u003e\u003cstrong data-start=\"12483\" data-end=\"12520\"\u003eChoosing solely based on BTUs.\u003c\/strong\u003e A capacity of \u003cstrong data-start=\"12537\" data-end=\"12551\"\u003e42,000 BTU\u003c\/strong\u003e does not guarantee optimal comfort if air distribution, placement, and drainage are poorly planned.\u003c\/p\u003e\n\u003cp data-start=\"12663\" data-end=\"12838\"\u003e\u003cstrong data-start=\"12663\" data-end=\"12695\"\u003eNeglecting service access.\u003c\/strong\u003e A cassette installed without adequate access panels complicates maintenance, increases service time, and can lead to avoidable costs.\u003c\/p\u003e\u003cp data-start=\"12840\" data-end=\"13024\"\u003e\u003cstrong data-start=\"12840\" data-end=\"12869\"\u003eUnderestimating drainage.\u003c\/strong\u003e Dehumidification of \u003cstrong data-start=\"12894\" data-end=\"12918\"\u003e8.4 pints per hour\u003c\/strong\u003e requires reliable drainage. A poorly designed drain can cause interruptions, damage, or odors.\u003c\/p\u003e\n\u003cp data-start=\"13026\" data-end=\"13234\"\u003e\u003cstrong data-start=\"13026\" data-end=\"13089\"\u003eInstalling the outdoor unit in too confined a space.\u003c\/strong\u003e The outdoor unit needs to breathe properly. Poor airflow around the unit reduces efficiency and can increase noise.\u003c\/p\u003e\n\u003cp data-start=\"13236\" data-end=\"13411\"\u003e\u003cstrong data-start=\"13236\" data-end=\"13270\"\u003eForgetting the actual use of the premises.\u003c\/strong\u003e A busy commercial establishment, a quiet office, and a multi-functional room do not have the same needs, even with a similar surface area.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1clyu4x\" data-start=\"13413\" data-end=\"13474\"\u003eRecommended HVAC Maintenance to Preserve Performance\u003c\/h3\u003e\n\u003cp data-start=\"13476\" data-end=\"13745\"\u003eA cassette system requires \u003cstrong data-start=\"13507\" data-end=\"13534\"\u003eregular HVAC maintenance\u003c\/strong\u003e. Filters must be cleaned, the drain checked, the condensate pump inspected, coils checked, and the outdoor unit cleared of leaves, dust, debris, snow, or seasonal accumulation.\u003c\/p\u003e\n\u003cp data-start=\"13747\" data-end=\"14163\"\u003eFor this LG model, we generally recommend an inspection at least once a year, and sometimes more frequently in commercial environments where dust, grease, particles, or foot traffic are higher. A restaurant, clinic, or business located near a busy street in \u003cstrong data-start=\"14052\" data-end=\"14064\"\u003eMontreal\u003c\/strong\u003e may require more frequent maintenance than an administrative office with low exposure to contaminants.\u003c\/p\u003e\n\u003cp data-start=\"14165\" data-end=\"14454\"\u003eMaintenance also allows for checking that the Inverter compressor, ventilation motors, condensate pump, and sensors are working correctly. A well-maintained heat pump retains its performance better, reduces the risk of service calls, and offers more stable comfort.\u003c\/p\u003e\n\u003ch3 data-section-id=\"14mvzpc\" data-start=\"14456\" data-end=\"14505\"\u003eWarranty, Installation, and After-Sales Service\u003c\/h3\u003e\n\u003cp data-start=\"14507\" data-end=\"14986\"\u003eProduct information indicates a \u003cstrong data-start=\"14558\" data-end=\"14587\"\u003e10-year warranty on the compressor\u003c\/strong\u003e, \u003cstrong data-start=\"14589\" data-end=\"14614\"\u003e10 years on parts\u003c\/strong\u003e, and \u003cstrong data-start=\"14618\" data-end=\"14646\"\u003e0 years on labor\u003c\/strong\u003e, with the possibility of an extended warranty. For customers, it is important to understand that the manufacturer's warranty does not replace the quality of the installation. A poorly tightened connection, incorrect charge, poor drainage, or non-compliant electrical supply can lead to problems that could have been avoided.\u003c\/p\u003e\n\u003cp data-start=\"14988\" data-end=\"15460\"\u003eAt AirGreen, our professional refrigeration technicians install equipment according to applicable requirements, with particular attention to safety, performance, and durability. We offer clear quotes before starting work, an approach adapted to residential, commercial, and multi-unit buildings, as well as structured after-sales service for customers in \u003cstrong data-start=\"15385\" data-end=\"15459\"\u003eMontreal, Laval, Longueuil, the North Shore, the South Shore, and Montérégie\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1mx55n2\" data-start=\"15462\" data-end=\"15521\"\u003eWho is the LG 3x3 42,000 BTU Cassette Ceiling Unit suitable for?\u003c\/h3\u003e\n\u003cp data-start=\"15523\" data-end=\"15570\"\u003eThis model is particularly relevant for:\u003c\/p\u003e\n\u003cul data-start=\"15572\" data-end=\"15993\"\u003e\n\u003cli data-section-id=\"1wd20mn\" data-start=\"15572\" data-end=\"15611\"\u003ebusinesses with an open-plan area;\u003c\/li\u003e\n\u003cli data-section-id=\"bqvpbp\" data-start=\"15612\" data-end=\"15648\"\u003eoffices with suspended ceilings;\u003c\/li\u003e\n\u003cli data-section-id=\"iagz67\" data-start=\"15649\" data-end=\"15697\"\u003ecommon rooms in multi-unit buildings;\u003c\/li\u003e\n\u003cli data-section-id=\"1sb73et\" data-start=\"15698\" data-end=\"15766\"\u003elarge residential spaces where walls need to remain clear;\u003c\/li\u003e\n\u003cli data-section-id=\"faan8l\" data-start=\"15767\" data-end=\"15823\"\u003epremises requiring balanced air distribution;\u003c\/li\u003e\n\u003cli data-section-id=\"1ufsfqv\" data-start=\"15824\" data-end=\"15880\"\u003eprojects where interior aesthetics are important;\u003c\/li\u003e\n\u003cli data-section-id=\"7azu00\" data-start=\"15881\" data-end=\"15993\"\u003ebuildings seeking a \u003cstrong data-start=\"15920\" data-end=\"15953\"\u003elow-temperature heat pump\u003c\/strong\u003e solution certified \u003cstrong data-start=\"15964\" data-end=\"15992\"\u003eENERGY STAR Cold Climate\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"15995\" data-end=\"16273\"\u003eIt is less suitable for small partitioned spaces, ceilings without technical access, or buildings where cassette installation would result in too many costly modifications. In these cases, AirGreen can recommend another LG solution or a different HVAC configuration.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1acht7w\" data-start=\"16275\" data-end=\"16313\"\u003eRequest a Quote from AirGreen\u003c\/h3\u003e\n\u003cp data-start=\"16315\" data-end=\"16609\"\u003eThe \u003cstrong data-start=\"16318\" data-end=\"16371\"\u003eLG: 3x3 Cassette-type Ceiling Unit | 42,000 BTU\u003c\/strong\u003e is a serious solution for owners who want to combine performance, comfort, discretion, and energy efficiency. To achieve the best results, the unit must be selected, positioned, and installed with precision.\u003c\/p\u003e\n\u003cp data-start=\"16611\" data-end=\"16929\"\u003eContact AirGreen for a \u003cstrong data-start=\"16639\" data-end=\"16680\"\u003equote for an LG cassette heat pump\u003c\/strong\u003e, an assessment of your building, or advice on available subsidies. We serve \u003cstrong data-start=\"16780\" data-end=\"16854\"\u003eMontreal, Laval, Longueuil, the North Shore, the South Shore, and Montérégie\u003c\/strong\u003e with a professional, clear approach tailored to each HVAC project.\u003c\/p\u003e","brand":"LG","offers":[{"title":"Default Title","offer_id":53340600205604,"sku":"KNSCB421A","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_48870735-dab0-4de3-9202-0e8355ec94c3.png?v=1777634944","url":"https:\/\/airgreen.ca\/en\/products\/lg-plafonnier-de-type-cassette-3x3-42-000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}