{"product_id":"thermopompe-lg-multi-f-lgred-r32-3-unite-interieures-1-compresseur-30000-btu","title":"LG Multi F LGRED R32 Heat Pump | 3 Indoor Units - 1 Compressor 30000 BTU","description":"\u003ch2 data-start=\"325\" data-end=\"414\"\u003e A multi-zone configuration designed for the residential realities of Greater Montreal\u003c\/h2\u003e\n\n \u003cp data-start=\"416\" data-end=\"961\"\u003eAt AirGreen, we have been installing \u003cstrong data-start=\"460\" data-end=\"475\"\u003emulti-zone\u003c\/strong\u003e systems for many years in very real-world contexts: single-family homes in \u003cstrong data-start=\"563\" data-end=\"575\"\u003eMontreal\u003c\/strong\u003e , duplexes in \u003cstrong data-start=\"584\" data-end=\"593\"\u003eLaval\u003c\/strong\u003e , new condos in \u003cstrong data-start=\"612\" data-end=\"625\"\u003eLongueuil\u003c\/strong\u003e , multigenerational residences on the \u003cstrong data-start=\"667\" data-end=\"680\"\u003eNorth Shore\u003c\/strong\u003e , and renovated properties on the \u003cstrong data-start=\"711\" data-end=\"723\"\u003eSouth Shore\u003c\/strong\u003e . The \u003cstrong data-start=\"728\" data-end=\"777\"\u003eLG Multi F LGRED R32 – 30,000 BTU heat pump\u003c\/strong\u003e with \u003cstrong data-start=\"783\" data-end=\"811\"\u003ethree indoor units\u003c\/strong\u003e is precisely suited to these types of projects where \u003cstrong data-start=\"869\" data-end=\"915\"\u003eindependent temperature control by zone\u003c\/strong\u003e is desired, without the need for multiple outdoor compressors.\u003c\/p\u003e\n\n \u003cp data-start=\"963\" data-end=\"1348\"\u003eThis system relies on an \u003cstrong data-start=\"1010\" data-end=\"1019\"\u003eLGRED\u003c\/strong\u003e outdoor compressor designed for cold climates, capable of powering multiple wall units while maintaining stable operation during extended heating periods. In practice, this means fewer short cycles, finer control of partial loads, and greater comfort consistency from room to room.\u003c\/p\u003e\n\n\u003ch2 data-start=\"1350\" data-end=\"1425\"\u003e Why is Multi F LGRED R32 often chosen after thermal analysis?\u003c\/h2\u003e\n\n\u003ch3 data-start=\"1427\" data-end=\"1476\"\u003e A truly usable multi-zone approach\u003c\/h3\u003e\n\n \u003cp data-start=\"1477\" data-end=\"1907\"\u003eIn many projects, we observe that needs vary significantly between spaces: bedrooms with little daytime use, open-plan areas in continuous use, and south-facing home offices. The \u003cstrong data-start=\"1699\" data-end=\"1710\"\u003e3-zone\u003c\/strong\u003e configuration allows for precise adjustment of airflow and heating demand according to actual occupancy, thus limiting the energy waste often seen with poorly balanced, centralized systems.\u003c\/p\u003e\n\n\u003ch3 data-start=\"1909\" data-end=\"1953\"\u003e An LGRED compressor designed for refrigeration\u003c\/h3\u003e\n\n \u003cp data-start=\"1954\" data-end=\"2384\"\u003eThe \u003cstrong data-start=\"1969\" data-end=\"1978\"\u003eLGRED\u003c\/strong\u003e compressor is designed to maintain stable \u003cstrong data-start=\"2036\" data-end=\"2065\"\u003eheating performance in cold weather\u003c\/strong\u003e , down to approximately \u003cstrong data-start=\"2083\" data-end=\"2093\"\u003e-25°C\u003c\/strong\u003e , which corresponds to typical Quebec winter conditions. During our installations on the \u003cstrong data-start=\"2181\" data-end=\"2194\"\u003eNorth Shore\u003c\/strong\u003e , particularly in areas more exposed to wind, this ability to sustain heating without quickly switching to a backup system makes a tangible difference for residents.\u003c\/p\u003e\n\n\u003ch3 data-start=\"2386\" data-end=\"2444\"\u003e The R-32 refrigerant: technical and regulatory choice\u003c\/h3\u003e\n\n \u003cp data-start=\"2445\" data-end=\"2816\"\u003eThe choice of \u003cstrong data-start=\"2457\" data-end=\"2465\"\u003eR-32\u003c\/strong\u003e is not insignificant. This gas has a \u003cstrong data-start=\"2503\" data-end=\"2550\"\u003elower global warming potential\u003c\/strong\u003e than older refrigerants and allows for better volumetric efficiency. In practice, this translates into lower charges, more manageable pipe diameters, and simpler compliance with current and future \u003cstrong data-start=\"2795\" data-end=\"2815\"\u003eresidential HVAC\u003c\/strong\u003e standards.\u003c\/p\u003e\n\n\u003ch3 data-start=\"2818\" data-end=\"2883\"\u003e An architecture compatible with multiple indoor units\u003c\/h3\u003e\n\n \u003cp data-start=\"2884\" data-end=\"3328\"\u003eThe \u003cstrong data-start=\"2899\" data-end=\"2912\"\u003eKUMXA301A\u003c\/strong\u003e compressor accepts various combinations of LG wall units. This flexibility is essential in renovations where each room has its own dimensional constraints. For example, in \u003cstrong data-start=\"3119\" data-end=\"3135\"\u003eMontreal East,\u003c\/strong\u003e we completed an installation combining a more compact unit in an office and two larger capacity units in open-plan living spaces, while maintaining a single, discreet outdoor unit.\u003c\/p\u003e\n\n\u003ch2 data-start=\"3330\" data-end=\"3390\"\u003e Useful technical data in the context of HVAC installation\u003c\/h2\u003e\n\n\u003cp data-start=\"3391\" data-end=\"3543\"\u003e Without going into theoretical figures that are not very meaningful to the occupants, certain data are essential to understanding the relevance of the system: \u003c\/p\u003e\n\n\u003cul data-start=\"3544\" data-end=\"4164\"\u003e\n\n\u003cli data-start=\"3544\" data-end=\"3672\"\u003e\n\n\u003cp data-start=\"3546\" data-end=\"3672\"\u003e \u003cstrong data-start=\"3546\" data-end=\"3574\"\u003eTotal nominal capacity\u003c\/strong\u003e : 30,000 BTU in cooling, with heating capacity maintained in winter conditions.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"3673\" data-end=\"3766\"\u003e\n\n \u003cp data-start=\"3675\" data-end=\"3766\"\u003e\u003cstrong data-start=\"3675\" data-end=\"3684\"\u003eZones\u003c\/strong\u003e : 3 active zones, with technical possibility of evolution depending on the configuration. \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"3767\" data-end=\"3847\"\u003e\n\n\u003cp data-start=\"3769\" data-end=\"3847\"\u003e \u003cstrong data-start=\"3769\" data-end=\"3780\"\u003eVoltage\u003c\/strong\u003e : 220-230 V, common configuration in Quebec residential settings. \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"3848\" data-end=\"4019\"\u003e\n\n\u003cp data-start=\"3850\" data-end=\"4019\"\u003e \u003cstrong data-start=\"3850\" data-end=\"3857\"\u003eMCA\u003c\/strong\u003e : approximately \u003cstrong data-start=\"3868\" data-end=\"3878\"\u003e23.5 A\u003c\/strong\u003e and \u003cstrong data-start=\"3882\" data-end=\"3889\"\u003eMOP\u003c\/strong\u003e : \u003cstrong data-start=\"3892\" data-end=\"3900\"\u003e30 A\u003c\/strong\u003e , values ​​compatible with the majority of existing residential electrical panels, after on-site validation. \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"4020\" data-end=\"4164\"\u003e\n\n\u003cp data-start=\"4022\" data-end=\"4164\"\u003e \u003cstrong data-start=\"4022\" data-end=\"4049\"\u003eOutdoor noise level\u003c\/strong\u003e : around \u003cstrong data-start=\"4062\" data-end=\"4074\"\u003e55 dB(A)\u003c\/strong\u003e , an important point in dense urban areas like \u003cstrong data-start=\"4134\" data-end=\"4146\"\u003eMontreal\u003c\/strong\u003e or \u003cstrong data-start=\"4150\" data-end=\"4163\"\u003eLongueuil\u003c\/strong\u003e .\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2 data-start=\"4166\" data-end=\"4217\"\u003e Installation scenarios encountered by AirGreen\u003c\/h2\u003e\n\n \u003ch3 data-start=\"4219\" data-end=\"4250\"\u003eSingle-family home in Laval\u003c\/h3\u003e\n\n\u003cp data-start=\"4251\" data-end=\"4531\"\u003e In a two-story property in \u003cstrong data-start=\"4287\" data-end=\"4296\"\u003eLaval\u003c\/strong\u003e , the Multi F LGRED R32 replaced two old, independent systems. The result: a single outdoor unit, better thermal balance between floors, and a significant reduction in outside noise perceived by neighbors.\u003c\/p\u003e\n\n\u003ch3 data-start=\"4533\" data-end=\"4562\"\u003e Renovated triplex in Montreal\u003c\/h3\u003e\n\n\u003cp data-start=\"4563\" data-end=\"4834\"\u003e In a \u003cstrong data-start=\"4581\" data-end=\"4593\"\u003eMontreal\u003c\/strong\u003e triplex, the client wanted to avoid any major structural modifications. The multi-zone system allowed for the installation of three discreet wall units, each tailored to its apartment, while respecting the space constraints in the backyard.\u003c\/p\u003e\n\n\u003ch3 data-start=\"4836\" data-end=\"4882\"\u003e Residence on the South Shore with teleworking\u003c\/h3\u003e\n\n \u003cp data-start=\"4883\" data-end=\"5197\"\u003eIn \u003cstrong data-start=\"4885\" data-end=\"4901\"\u003eBoucherville\u003c\/strong\u003e , a family who intensively used a home office needed precise temperature control during the day, independent of the other rooms. Independent zone management proved particularly effective in maintaining comfort without overheating the rest of the house.\u003c\/p\u003e\n\n\u003ch2 data-start=\"5199\" data-end=\"5251\"\u003e Points to consider and common mistakes to avoid\u003c\/h2\u003e\n\n\u003cp data-start=\"5252\" data-end=\"5355\"\u003e Our field experience shows that multi-zone systems require \u003cstrong data-start=\"5325\" data-end=\"5353\"\u003erigorous planning\u003c\/strong\u003e : \u003c\/p\u003e\n\n\u003cul data-start=\"5356\" data-end=\"5794\"\u003e\n\n\u003cli data-start=\"5356\" data-end=\"5506\"\u003e\n\n\u003cp data-start=\"5358\" data-end=\"5506\"\u003e \u003cstrong data-start=\"5358\" data-end=\"5392\"\u003eUndersizing of zones\u003c\/strong\u003e : wanting to maximize the number of units without respecting capacity ratios can harm overall performance. \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"5507\" data-end=\"5637\"\u003e\n\n\u003cp data-start=\"5509\" data-end=\"5637\"\u003e \u003cstrong data-start=\"5509\" data-end=\"5548\"\u003ePoorly optimized piping layout\u003c\/strong\u003e : excessive lengths or poorly managed elevation changes affect system stability.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"5638\" data-end=\"5794\"\u003e\n\n \u003cp data-start=\"5640\" data-end=\"5794\"\u003e\u003cstrong data-start=\"5640\" data-end=\"5671\"\u003ePoor electrical management\u003c\/strong\u003e : even if the MCA and MOP are reasonable, a panel check is essential before any HVAC installation.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp data-start=\"5796\" data-end=\"5924\"\u003e At AirGreen, each project begins with a detailed analysis to avoid these pitfalls and ensure a sustainable installation.\u003c\/p\u003e\n\n\u003ch2 data-start=\"5926\" data-end=\"5971\"\u003e Why entrust the installation to AirGreen\u003c\/h2\u003e\n\n\u003cp data-start=\"5972\" data-end=\"6050\"\u003e We don't just install equipment. Our approach is based on: \u003c\/p\u003e\n\n\u003cul data-start=\"6051\" data-end=\"6329\"\u003e\n\n\u003cli data-start=\"6051\" data-end=\"6099\"\u003e\n\n\u003cp data-start=\"6053\" data-end=\"6099\"\u003e a \u003cstrong data-start=\"6057\" data-end=\"6086\"\u003ethermal analysis tailored\u003c\/strong\u003e to the building \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"6100\" data-end=\"6181\"\u003e\n\n\u003cp data-start=\"6102\" data-end=\"6181\"\u003e a \u003cstrong data-start=\"6106\" data-end=\"6150\"\u003eprecise selection of indoor units\u003c\/strong\u003e according to the actual use of the rooms, \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"6182\" data-end=\"6242\"\u003e\n\n\u003cp data-start=\"6184\" data-end=\"6242\"\u003e an \u003cstrong data-start=\"6188\" data-end=\"6241\"\u003einstallation compliant with Quebec HVAC standards\u003c\/strong\u003e , \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"6243\" data-end=\"6329\"\u003e\n\n\u003cp data-start=\"6245\" data-end=\"6329\"\u003e Post-installation monitoring is essential for more complex multi-zone systems.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n \u003cp data-start=\"6331\" data-end=\"6549\"\u003eThis methodology explains why many clients from \u003cstrong data-start=\"6391\" data-end=\"6403\"\u003eMontreal\u003c\/strong\u003e , \u003cstrong data-start=\"6405\" data-end=\"6414\"\u003eLaval\u003c\/strong\u003e , \u003cstrong data-start=\"6416\" data-end=\"6429\"\u003eLongueuil\u003c\/strong\u003e , the \u003cstrong data-start=\"6437\" data-end=\"6450\"\u003eNorth Shore\u003c\/strong\u003e and the \u003cstrong data-start=\"6460\" data-end=\"6472\"\u003eSouth Shore\u003c\/strong\u003e entrust us with their multi-zone projects, both residential and multi-unit.\u003c\/p\u003e\n\n\u003ch2 data-start=\"6551\" data-end=\"6584\"\u003e Conclusion\u003c\/h2\u003e\n\n\u003cp data-start=\"6585\" data-end=\"6938\"\u003e The \u003cstrong data-start=\"6588\" data-end=\"6637\"\u003eLG Multi F LGRED R32 – 30,000 BTU heat pump\u003c\/strong\u003e is a suitable solution for buildings requiring \u003cstrong data-start=\"6702\" data-end=\"6742\"\u003ethree independent comfort zones\u003c\/strong\u003e , while also meeting Quebec's climatic requirements. When properly sized and installed, it offers an efficient combination of comfort, flexibility, and durability.\u003c\/p\u003e\n\n \u003cp data-start=\"6940\" data-end=\"7223\"\u003eFor a \u003cstrong data-start=\"6949\" data-end=\"6977\"\u003epersonalized evaluation\u003c\/strong\u003e , a \u003cstrong data-start=\"6983\" data-end=\"7007\"\u003edetailed quote\u003c\/strong\u003e or advice on integrating this system into your property in \u003cstrong data-start=\"7079\" data-end=\"7091\"\u003eMontreal\u003c\/strong\u003e , \u003cstrong data-start=\"7093\" data-end=\"7102\"\u003eLaval\u003c\/strong\u003e , \u003cstrong data-start=\"7104\" data-end=\"7117\"\u003eLongueuil\u003c\/strong\u003e , on the \u003cstrong data-start=\"7126\" data-end=\"7139\"\u003eNorth Shore\u003c\/strong\u003e or the \u003cstrong data-start=\"7146\" data-end=\"7158\"\u003eSouth Shore\u003c\/strong\u003e , we invite you to contact \u003cstrong data-start=\"7210\" data-end=\"7222\"\u003eAirGreen\u003c\/strong\u003e directly.\u003c\/p\u003e","brand":"LG","offers":[{"title":"Default Title","offer_id":51991335207204,"sku":"KUMXA301A","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/THERMOPOMPE3-ZONELGMULTIFLGREDR32MONTREAL_LAVAL_LONGUEUIL_RIVESUD_RIVENORD3_e0637276-076b-47df-b867-f1a560d2ce79.png?v=1772453566","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-lg-multi-f-lgred-r32-3-unite-interieures-1-compresseur-30000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}