{"product_id":"mrcool-diy-12k-hyper-heat-mini-split-system-5th-gen-wall-mount-22-f-heating-23-5-seer2-pre-charged-line-set","title":"MRCOOL DIY 12K Hyper Heat Mini Split System – 5th Gen Wall Mount, -22°F Heating, 23.5 SEER2, Pre-Charged Line Set","description":"\u003ch2\u003eMRCOOL® DIY 12K Hyper Heat Complete Mini-Split System – 5th Gen Wall Mount (230V)\u003c\/h2\u003e\n\u003ch3\u003eDIY Heating \u0026amp; Cooling Down to -22°F with Pre-Charged QuickConnect® Line Set\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eMRCOOL® DIY Hyper Heat 12K Complete Mini-Split System\u003c\/strong\u003e is a revolutionary single-zone heating and cooling solution designed for real homeowners — no vacuum pumps, no gauges, no HVAC license, and no refrigerant handling required. This bundle pairs the \u003cstrong\u003eDIYHH-12-HP-C-230D25-O\u003c\/strong\u003e 12K Hyper Heat condenser with the \u003cstrong\u003eDIY-12-HP-WMAH-230D25-O\u003c\/strong\u003e wall-mounted air handler to deliver efficient year-round comfort for rooms up to \u003cstrong\u003e550 sq. ft.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou get extreme cold weather performance down to \u003cstrong\u003e-22°F\u003c\/strong\u003e, \u003cstrong\u003e23.5 SEER2\u003c\/strong\u003e efficiency, and an installation that is almost as easy as plug-and-play thanks to the \u003cstrong\u003e25 ft pre-charged QuickConnect® line set\u003c\/strong\u003e. This system is ideal for 350–550 sq. ft. bedrooms, garages, finished basements, home offices, ADUs, shops, and more.\u003c\/p\u003e\n\u003cp style=\"color: #b00000; font-weight: bold;\"\u003eIMPORTANT: This is a \u003cstrong\u003e208\/230V\u003c\/strong\u003e system. It does not work with 115V circuits or 115V air handlers.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eMeet the First DIY Hyper Heat Mini-Split System from MRCOOL®\u003c\/h2\u003e\n\u003cp\u003eFor the first time ever, MRCOOL® has brought \u003cstrong\u003eHyper Heat technology\u003c\/strong\u003e to the DIY mini-split lineup. The \u003cstrong\u003eDIYHH-12-HP-C-230D25-O\u003c\/strong\u003e condenser delivers \u003cstrong\u003e12,000 BTU\u003c\/strong\u003e of heating and cooling and maintains powerful output down to \u003cstrong\u003e-22°F\u003c\/strong\u003e, outperforming standard DIY units and portable space heaters.\u003c\/p\u003e\n\u003cp\u003eThere is no vacuuming, no charging, and no guesswork — simply connect the pre-charged \u003cstrong\u003eQuickConnect®\u003c\/strong\u003e line set, tighten the fittings, and turn it on.\u003c\/p\u003e\n\u003cp\u003ePaired with the \u003cstrong\u003eDIY-12-HP-WMAH-230D25-O\u003c\/strong\u003e wall-mounted air handler, this system provides whisper-quiet indoor operation, smart WiFi controls, Amazon Alexa and Google Assistant compatibility, and a sleek, modern design that blends into any room.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTrue DIY Installation — Save $1,500–$3,000+ in Labor\u003c\/h2\u003e\n\u003cp\u003eThis system uses factory-sealed, pre-charged refrigerant lines. That means:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo vacuum pump\u003c\/li\u003e\n\u003cli\u003eNo refrigerant gauges\u003c\/li\u003e\n\u003cli\u003eNo nitrogen test\u003c\/li\u003e\n\u003cli\u003eNo EPA certification or HVAC license\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eJust mount the indoor unit, set the outdoor condenser, connect the \u003cstrong\u003eQuickConnect® line set\u003c\/strong\u003e, and plug into your 230V circuit.\u003c\/p\u003e\n\u003cp\u003eThe included \u003cstrong\u003eDIYPRO® communication cable\u003c\/strong\u003e replaces traditional conduit and helps protect wiring from pets, weather, lawn equipment, and accidental damage.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCold-Climate Performance You Can Trust\u003c\/h2\u003e\n\u003cp\u003eRegular mini-splits lose heating capacity quickly as outdoor temperatures drop below freezing. \u003cstrong\u003eDIY Hyper Heat\u003c\/strong\u003e is different. Its inverter-driven compressor and \u003cstrong\u003eR-454B refrigerant\u003c\/strong\u003e maintain stable output down to \u003cstrong\u003e-22°F\u003c\/strong\u003e, eliminating the need for risky electric space heaters or propane.\u003c\/p\u003e\n\u003cp\u003eThat means:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBetter efficiency\u003c\/li\u003e\n\u003cli\u003eLower energy bills\u003c\/li\u003e\n\u003cli\u003eFull comfort during bad winters\u003c\/li\u003e\n\u003cli\u003eSafe, all-electric operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSmart Comfort Anywhere\u003c\/h2\u003e\n\u003cp\u003eControl your comfort your way:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncluded wireless remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmartHVAC™\u003c\/strong\u003e app (iOS \/ Android)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmazon Alexa\u003c\/strong\u003e voice control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGoogle Assistant\u003c\/strong\u003e voice control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eBuilt to Last — Gold Fin® Condenser\u003c\/h2\u003e\n\u003cp\u003eSalt air, pollution, and humidity are no problem. The outdoor unit features \u003cstrong\u003eGold Fin® anti-corrosion coating\u003c\/strong\u003e that protects the coil from rust and extends the life of the condenser in both inland and coastal environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included in This Bundle\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × \u003cstrong\u003eMRCOOL DIY Hyper Heat 12K Outdoor Condenser\u003c\/strong\u003e — DIYHH-12-HP-C-230D25-O\u003c\/li\u003e\n\u003cli\u003e1 × \u003cstrong\u003eMRCOOL 12K Wall-Mount Air Handler\u003c\/strong\u003e — DIY-12-HP-WMAH-230D25-O\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25 ft Pre-Charged QuickConnect® Line Set\u003c\/strong\u003e \u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDIYPRO® communication cable\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eWireless remote control\u003c\/li\u003e\n\u003cli\u003eInstallation accessories \u0026amp; mounting hardware\u003c\/li\u003e\n\u003cli\u003eUser manual and documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"166\" data-start=\"139\"\u003eℹ️ Line Set Length Info\u003c\/h3\u003e\n\u003cp data-end=\"353\" data-start=\"167\"\u003e\u003cstrong data-end=\"353\" data-start=\"167\"\u003eThis system includes a standard 25 ft. line set. Extended line set options add an additional line set, couplers, and a longer control wire for installations requiring extra distance.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cp\u003eThis 12K Hyper Heat system is ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBedrooms up to 550 sq. ft.\u003c\/li\u003e\n\u003cli\u003eFinished basements and bonus rooms\u003c\/li\u003e\n\u003cli\u003eHome offices and studios\u003c\/li\u003e\n\u003cli\u003eAirbnb \/ short-term rental suites\u003c\/li\u003e\n\u003cli\u003eGarage conversions and workshops\u003c\/li\u003e\n\u003cli\u003eAttic remodels and lofts\u003c\/li\u003e\n\u003cli\u003eTiny homes and cabins\u003c\/li\u003e\n\u003cli\u003eShe-sheds, man-caves, and hobby rooms\u003c\/li\u003e\n\u003cli\u003eADUs and accessory buildings\u003c\/li\u003e\n\u003cli\u003eDetached workspaces and small shops\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eHyper Heat vs. Standard DIY Mini Splits\u003c\/h2\u003e\n\u003cp\u003eStandard DIY mini-splits are made for moderate climates and lose heating capacity once outdoor temperatures drop below freezing. \u003cstrong\u003eHyper Heat technology\u003c\/strong\u003e maintains full proportional heating down to \u003cstrong\u003e-22°F\u003c\/strong\u003e by using:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDC inverter rotary compressor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR-454B\u003c\/strong\u003e high-pressure refrigerant\u003c\/li\u003e\n\u003cli\u003eVariable-speed outdoor fan\u003c\/li\u003e\n\u003cli\u003eElectronic expansion valve (EEV)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe result is stable, quiet, and efficient heat even in extreme winter conditions. That makes Hyper Heat the correct choice for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNorthern states and mountain towns\u003c\/li\u003e\n\u003cli\u003eGarage workshops and poorly insulated spaces\u003c\/li\u003e\n\u003cli\u003eOlder homes without ductwork\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003eOutdoor Condenser — DIYHH-12-HP-C-230D25-O\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%; max-width: 900px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left;\"\u003ePerformance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling \/ Heating Capacity\u003c\/td\u003e\n\u003ctd\u003e12,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Coverage\u003c\/td\u003e\n\u003ctd\u003eUp to 550 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2\u003c\/td\u003e\n\u003ctd\u003e23.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2-4\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2-5\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEER2\u003c\/td\u003e\n\u003ctd\u003e12.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInverter\u003c\/td\u003e\n\u003ctd\u003eYes — DC rotary compressor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin Ambient Heat\u003c\/td\u003e\n\u003ctd\u003e-22°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin Ambient Cool\u003c\/td\u003e\n\u003ctd\u003e-22°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise Level\u003c\/td\u003e\n\u003ctd\u003e56.5 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left;\"\u003eElectrical\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e208\/230V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Fuse \/ Breaker\u003c\/td\u003e\n\u003ctd\u003e15 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Circuit Ampacity\u003c\/td\u003e\n\u003ctd\u003e15 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left;\"\u003eRefrigeration \u0026amp; Piping\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant Type\u003c\/td\u003e\n\u003ctd\u003eR-454B (pre-charged)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Set Length (Included)\u003c\/td\u003e\n\u003ctd\u003e25 ft QuickConnect®\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Line Set Length\u003c\/td\u003e\n\u003ctd\u003e75 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid Line Size\u003c\/td\u003e\n\u003ctd\u003e1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuction Line Size\u003c\/td\u003e\n\u003ctd\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eIndoor Wall-Mount Air Handler — DIY-12-HP-WMAH-230D25-O\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%; max-width: 900px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left;\"\u003ePerformance \u0026amp; Features\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling \/ Heating Capacity\u003c\/td\u003e\n\u003ctd\u003e12,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Room Size\u003c\/td\u003e\n\u003ctd\u003eUp to 550 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eWall-mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e208\/230V (powered from outdoor unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan Speeds\u003c\/td\u003e\n\u003ctd\u003e5-speed fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound Rating\u003c\/td\u003e\n\u003ctd\u003eApprox. 19–54.5 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Modes\u003c\/td\u003e\n\u003ctd\u003eCool \/ Heat \/ Auto \/ Dry \/ Fan \/ Sleep\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter\u003c\/td\u003e\n\u003ctd\u003eReusable, washable filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left;\"\u003eSmart Controls\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiFi Enabled\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApp Control\u003c\/td\u003e\n\u003ctd\u003eMRCOOL SmartHVAC™ App (iOS \/ Android)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice Control\u003c\/td\u003e\n\u003ctd\u003eAmazon Alexa \u0026amp; Google Assistant compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need an HVAC technician to install this?\u003c\/strong\u003e\u003cbr\u003eNo. This is a true DIY system. The line set is factory-sealed and pre-charged, so no vacuum pump or gauges are required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mount the air handler myself?\u003c\/strong\u003e\u003cbr\u003eYes. The wall-mount bracket and hardware are included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it heat well in winter?\u003c\/strong\u003e\u003cbr\u003eYes. This is a \u003cstrong\u003eHyper Heat\u003c\/strong\u003e system, engineered to maintain performance down to \u003cstrong\u003e-22°F\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need a separate breaker for the air handler?\u003c\/strong\u003e\u003cbr\u003eNo. The outdoor 230V circuit powers the indoor unit. The system typically runs on a shared \u003cstrong\u003e15A double-pole breaker\u003c\/strong\u003e according to local code.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I expand this system later?\u003c\/strong\u003e\u003cbr\u003eNo. This is a single-zone system. If you need multiple rooms, choose a \u003cstrong\u003eMRCOOL DIY Multi-Zone\u003c\/strong\u003e system instead.\u003c\/p\u003e","brand":"MRCOOL DIY Direct","offers":[{"title":"Standard 25'Feet","offer_id":49176856264931,"sku":"MC-DIY-HH12-WM-25","price":2557.0,"currency_code":"USD","in_stock":false},{"title":"Extended to 41' Feet","offer_id":49176856297699,"sku":"MC-DIY-HH12-WM-26","price":3175.0,"currency_code":"USD","in_stock":false},{"title":"Extended to 50' Feet","offer_id":49176856330467,"sku":"MC-DIY-HH12-WM-27","price":3228.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/8752\/3043\/files\/12kBTUWallMountSingleZone.png?v=1780844472","url":"https:\/\/freedomhvacsupply.com\/products\/mrcool-diy-12k-hyper-heat-mini-split-system-5th-gen-wall-mount-22-f-heating-23-5-seer2-pre-charged-line-set","provider":"Freedom HVAC Supply","version":"1.0","type":"link"}