{"product_id":"mrcool-diy-18k-hyper-heat-mini-split-system-5th-gen-22-f-heating-21-2-seer2-pre-charged-diy-line-set","title":"MRCOOL DIY 18K Hyper Heat Mini Split System – 5th Gen, -22°F Heating, 21.2 SEER2, Pre-Charged DIY Line Set","description":"\u003ch2\u003eNew for 2025 – True -22°F Hyper Heat Performance with DIY Installation\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMRCOOL® DIYHH-18 Hyper Heat 18K Mini Split\u003c\/strong\u003e is the first 5th Generation DIY system engineered for true cold-climate installs down to \u003cstrong\u003e-22°F\u003c\/strong\u003e. This complete bundle includes the \u003cstrong\u003eDIYHH-18 outdoor condenser\u003c\/strong\u003e and the \u003cstrong\u003eDIY-18-HP-WMAH-230D25-O wall-mounted air handler\u003c\/strong\u003e, delivering powerful heating and cooling for spaces up to \u003cstrong\u003e800 sq. ft.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike traditional mini split systems, the MRCOOL DIY series uses factory-sealed \u003cstrong\u003eQuickConnect® pre-charged line sets\u003c\/strong\u003e filled with \u003cstrong\u003eR-454B low-GWP refrigerant\u003c\/strong\u003e, requiring \u003cstrong\u003eno vacuum pump, gauges, nitrogen, or HVAC certification\u003c\/strong\u003e. This system installs quickly, safely, and cleanly—designed specifically for homeowners.\u003c\/p\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIYHH-18-HP-C-230D25-O\u003c\/strong\u003e — 18K Hyper Heat Outdoor Condenser\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY-18-HP-WMAH-230D25-O\u003c\/strong\u003e — 18K Wall-Mounted Air Handler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY25-1412\u003c\/strong\u003e — 25 ft Pre-Charged QuickConnect® Line Set\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDIYPRO® Cable\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eWireless Remote + Manuals + Mounting Hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"139\" data-end=\"166\"\u003eℹ️ Line Set Length Info\u003c\/h3\u003e\n\u003cp data-start=\"167\" data-end=\"353\"\u003e\u003cstrong data-start=\"167\" data-end=\"353\"\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\u003ch2\u003eCondenser Specifications – DIYHH-18-HP-C-230D25-O\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\" cellspacing=\"0\" cellpadding=\"6\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\" colspan=\"2\"\u003ePerformance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU Rating\u003c\/td\u003e\n\u003ctd\u003e18,000 BTU Heating \u0026amp; Cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2\u003c\/td\u003e\n\u003ctd\u003e21.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEER2\u003c\/td\u003e\n\u003ctd\u003e12.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2-4\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2-5\u003c\/td\u003e\n\u003ctd\u003e8.5\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\u003eOperating Temp Range\u003c\/td\u003e\n\u003ctd\u003e-22°F to 122F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompressor\u003c\/td\u003e\n\u003ctd\u003eInverter Rotary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCFM\u003c\/td\u003e\n\u003ctd\u003e1765.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\" colspan=\"2\"\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\u003eCycle\u003c\/td\u003e\n\u003ctd\u003e60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin Circuit Ampacity\u003c\/td\u003e\n\u003ctd\u003e19A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Fuse\u003c\/td\u003e\n\u003ctd\u003e25A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\" colspan=\"2\"\u003eRefrigeration\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003eR-454B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory Charge Volume\u003c\/td\u003e\n\u003ctd\u003e52.21 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Set\u003c\/td\u003e\n\u003ctd\u003e25 ft Pre-Charged QuickConnect®\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Supported Line Length\u003c\/td\u003e\n\u003ctd\u003e75 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid Line\u003c\/td\u003e\n\u003ctd\u003e1\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuction Line\u003c\/td\u003e\n\u003ctd\u003e1\/2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetering Device\u003c\/td\u003e\n\u003ctd\u003eElectronic Expansion Valve (EEV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\" colspan=\"2\"\u003eNoise\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondenser Noise\u003c\/td\u003e\n\u003ctd\u003e58 dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\" colspan=\"2\"\u003eDimensions\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Dimensions\u003c\/td\u003e\n\u003ctd\u003e35.04” W × 26.5” H × 13.46” D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e99.87 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross Dimensions\u003c\/td\u003e\n\u003ctd\u003e40.55” W × 29.53” H × 18.11” D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross Weight\u003c\/td\u003e\n\u003ctd\u003e120.15 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWall Mount Air Handler – DIY-18-HP-WMAH-230D25-O\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\" cellspacing=\"0\" cellpadding=\"6\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\" colspan=\"2\"\u003ePerformance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU Capacity\u003c\/td\u003e\n\u003ctd\u003e18,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage Area\u003c\/td\u003e\n\u003ctd\u003eUp to 800 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan Speeds\u003c\/td\u003e\n\u003ctd\u003e5-Speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuiet Mode\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise Level\u003c\/td\u003e\n\u003ctd\u003e19 dBA (Low) – 54.5 dBA (High)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\" colspan=\"2\"\u003eDimensions\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Dimensions\u003c\/td\u003e\n\u003ctd\u003e42.52” W × 13.19” H × 8.9” D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e35.49 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross Dimensions\u003c\/td\u003e\n\u003ctd\u003e46.73” W × 14.29” H × 17.68” D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross Weight\u003c\/td\u003e\n\u003ctd\u003e49.6 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSmart Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMRCOOL SmartHVAC App\u003c\/li\u003e\n\u003cli\u003eiOS + Android Compatible\u003c\/li\u003e\n\u003cli\u003eAlexa \u0026amp; Google Assistant Voice Control\u003c\/li\u003e\n\u003cli\u003eWireless Remote Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWarranty\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-Year\u003c\/strong\u003e Compressor Warranty (Registered)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Year\u003c\/strong\u003e Parts Warranty (Registered)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Limited Lifetime\u003c\/strong\u003e with MRCOOL Care\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MRCOOL DIY Direct","offers":[{"title":"Standard 25'Feet","offer_id":49176857018595,"sku":"MC-DIY-HH18-WM18-25","price":3205.0,"currency_code":"USD","in_stock":false},{"title":"Extended to 41' Feet","offer_id":49176857051363,"sku":"MC-DIY-HH18-WM18-26","price":3827.0,"currency_code":"USD","in_stock":false},{"title":"Extended to 50' Feet","offer_id":49176857084131,"sku":"MC-DIY-HH18-WM18-27","price":3887.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/8752\/3043\/files\/18kBTUWallMountSingleZone.png?v=1780844473","url":"https:\/\/freedomhvacsupply.com\/products\/mrcool-diy-18k-hyper-heat-mini-split-system-5th-gen-22-f-heating-21-2-seer2-pre-charged-diy-line-set","provider":"Freedom HVAC Supply","version":"1.0","type":"link"}