{"product_id":"mrcool-diyhh-18-hyper-heat-18k-btu-condenser-5th-gen-22-f-heating-r-454b-230v-diy-quickconnect","title":"MRCOOL DIYHH-18 Hyper Heat 18K BTU Condenser – 5th Gen, -22°F Heating, R-454B, 230V DIY QuickConnect","description":"\u003ch2\u003eMRCOOL® DIYHH-18 Hyper Heat 18K BTU Condenser – 5th Gen DIY QuickConnect® (230V)\u003c\/h2\u003e\n\u003ch3\u003eNew for 2025 – 18K Hyper Heat DIY Condenser with Pre-Charged 25 ft Line Set\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eMRCOOL® DIYHH-18-HP-C-230D25-O\u003c\/strong\u003e is the strongest \u003cstrong\u003e18,000 BTU Hyper Heat DIY condenser\u003c\/strong\u003e on the market, engineered for powerful year-round comfort and reliable heating down to \u003cstrong\u003e–22°F\u003c\/strong\u003e. This 5th Gen outdoor unit ships with a \u003cstrong\u003efactory-charged R-454B QuickConnect® line set\u003c\/strong\u003e so you can install it without vacuum pumps, gauges, EPA licenses, or refrigerant handling.\u003c\/p\u003e\n\u003cp\u003eThis listing is for the \u003cstrong\u003econdenser and 25 ft pre-charged line set only\u003c\/strong\u003e. Pair it with a compatible \u003cstrong\u003eMRCOOL DIY wall mount air handler\u003c\/strong\u003e or \u003cstrong\u003eDIY OuttaSight® ceiling cassette\u003c\/strong\u003e (sold separately).\u003c\/p\u003e\n\u003cp style=\"color: #b00000; font-weight: bold;\"\u003eIMPORTANT: This is a 208\/230V condenser. It \u003cu\u003ecannot\u003c\/u\u003e be used with 115V air handlers.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eThe 5th Gen DIY Mini Split Condenser That Leaves Others Behind\u003c\/h2\u003e\n\u003cp\u003eIf you want the best \u003cstrong\u003e18K BTU DIY mini split condenser for cold climates\u003c\/strong\u003e, you are looking at it. The \u003cstrong\u003eDIYHH-18 Hyper Heat condenser\u003c\/strong\u003e is built on MRCOOL’s 5th Generation platform, delivering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStronger heat output at low temperatures\u003c\/li\u003e\n\u003cli\u003eHigher efficiency with \u003cstrong\u003e21.2 SEER2\u003c\/strong\u003e and \u003cstrong\u003e11 HSPF2\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eNext-generation \u003cstrong\u003eR-454B low-GWP refrigerant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMore durable outdoor performance with \u003cstrong\u003eGold Fin® anti-corrosion\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCleaner, quieter \u003cstrong\u003einverter rotary compressor\u003c\/strong\u003e operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo refrigerant handling. No vacuum pump. No licensed HVAC installer. Just connect, tighten, and turn it on. This condenser is a big part of why MRCOOL dominates the DIY mini split market.\u003c\/p\u003e\n\u003ch2\u003eHyper Heat Performance for Real Winters\u003c\/h2\u003e\n\u003cp\u003eMost “DIY mini splits” start losing capacity or shutting down as temperatures approach freezing. The \u003cstrong\u003eMRCOOL DIYHH-18 Hyper Heat\u003c\/strong\u003e delivers usable heat down to \u003cstrong\u003e–22°F\u003c\/strong\u003e, making it unstoppable in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMidwest and Northeast winters\u003c\/li\u003e\n\u003cli\u003eTennessee \u0026amp; Kentucky cold snaps\u003c\/li\u003e\n\u003cli\u003eMountain and northern states\u003c\/li\u003e\n\u003cli\u003eCoastal climates with wind, rain, and salt exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYou will not find this capability on cheap brands or older 4th Gen units.\u003c\/p\u003e\n\u003ch2\u003eSmarter, Quieter, More Efficient\u003c\/h2\u003e\n\u003cp\u003eThe 5th Gen inverter technology modulates compressor output to maintain steady comfort without harsh on\/off cycling or loud startup noise. The result:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLower energy bills\u003c\/li\u003e\n\u003cli\u003eLonger component life\u003c\/li\u003e\n\u003cli\u003eFaster temperature recovery\u003c\/li\u003e\n\u003cli\u003ePremium comfort you can feel in every season\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis condenser is ideal for master bedrooms, home offices, garages, workshops, barndominiums, tiny homes, ADUs, apartments, bonus rooms, and any space where ductwork is a headache.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMRCOOL DIYHH-18-HP-C-230D25-O\u003c\/strong\u003e Hyper Heat 18K Outdoor Condenser\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY25-1412\u003c\/strong\u003e 25 ft pre-charged R-454B QuickConnect® line set\u003c\/li\u003e\n\u003cli\u003eInstallation hardware \u0026amp; documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNo vacuuming or refrigerant tools required.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eCompatible Indoor Units (Sold Separately)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY-18-HP-WMAH-230D25-O\u003c\/strong\u003e Wall Mount Air Handler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIYCASSETTE18HP-230D25-O\u003c\/strong\u003e OuttaSight® Ceiling Cassette\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBoth indoor units connect using MRCOOL’s factory-sealed \u003cstrong\u003eQuickConnect®\u003c\/strong\u003e fittings for fast DIY installation.\u003c\/p\u003e\n\u003cp style=\"color: #b00000; font-weight: bold;\"\u003eNOTE: This 18K Hyper Heat condenser is 208\/230V only and will \u003cu\u003enot\u003c\/u\u003e work with 115V DIY air handlers.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHyper Heat performance down to \u003cstrong\u003e–22°F\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e21.2 SEER2\u003c\/strong\u003e high-efficiency cooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11 \/ 8.5 HSPF2\u003c\/strong\u003e heating efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR-454B\u003c\/strong\u003e next-generation low-GWP refrigerant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25 ft\u003c\/strong\u003e factory-charged QuickConnect® line set included\u003c\/li\u003e\n\u003cli\u003eCompatible with DIYPRO® cable (included with indoor unit)\u003c\/li\u003e\n\u003cli\u003eSmartHVAC™ app, Amazon Alexa \u0026amp; Google Assistant integration (via indoor unit)\u003c\/li\u003e\n\u003cli\u003eGold Fin® anti-corrosion outdoor coating\u003c\/li\u003e\n\u003cli\u003eQuiet inverter rotary compressor \u0026amp; low outdoor sound rating\u003c\/li\u003e\n\u003cli\u003eAuto restart, timer, and system protection features\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; max-width: 900px;\" cellspacing=\"0\" cellpadding=\"6\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\" colspan=\"2\"\u003ePerformance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\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\u003eApprox. 500–800 sq. ft.\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\u003eHSPF2\u003c\/td\u003e\n\u003ctd\u003e11 \/ 8.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Operating Range\u003c\/td\u003e\n\u003ctd\u003eDown to –22°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Operating Range\u003c\/td\u003e\n\u003ctd\u003eLow ambient capability (Hyper Heat series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompressor Type\u003c\/td\u003e\n\u003ctd\u003eRotary Inverter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound Level\u003c\/td\u003e\n\u003ctd\u003e58 dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; max-width: 900px;\" cellspacing=\"0\" cellpadding=\"6\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\" colspan=\"2\"\u003eElectrical\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e208\/230V (double pole breaker required)\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\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Circuit Ampacity (MCA)\u003c\/td\u003e\n\u003ctd\u003e19 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Fuse \/ Breaker\u003c\/td\u003e\n\u003ctd\u003e25 A (double pole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; max-width: 900px;\" cellspacing=\"0\" cellpadding=\"6\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\" colspan=\"2\"\u003eRefrigeration \u0026amp; Piping\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant Type\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 Included\u003c\/td\u003e\n\u003ctd\u003e25 ft QuickConnect® pre-charged line set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum 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\u003e1\/2\"\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\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; max-width: 900px;\" cellspacing=\"0\" cellpadding=\"6\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\" colspan=\"2\"\u003eDimensions \u0026amp; Weight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit Width\u003c\/td\u003e\n\u003ctd\u003e35.04 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit Height\u003c\/td\u003e\n\u003ctd\u003e26.50 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit Depth\u003c\/td\u003e\n\u003ctd\u003e13.46 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit Weight\u003c\/td\u003e\n\u003ctd\u003e99.87 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWarranty\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-Year\u003c\/strong\u003e registered compressor warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Year\u003c\/strong\u003e registered parts warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEligible for Limited Lifetime compressor replacement\u003c\/strong\u003e with MRCOOL® Care enrollment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it really work in cold weather?\u003c\/strong\u003e\u003cbr\u003eYes. Hyper Heat models are engineered to maintain strong, usable heating down to –22°F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003cbr\u003eYes. The QuickConnect® line set arrives pre-charged, sealed, and vacuumed from the factory. You do not handle refrigerant or connect gauges. A licensed electrician is recommended for the 208\/230V electrical hookup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size space does 18K BTU cover?\u003c\/strong\u003e\u003cbr\u003eTypically \u003cstrong\u003e500–800 sq. ft.\u003c\/strong\u003e, depending on insulation, ceiling height, sunlight, and window\/door count.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this with a 115V air handler?\u003c\/strong\u003e\u003cbr\u003eNo. This condenser is \u003cstrong\u003e230V only\u003c\/strong\u003e and must be used with compatible MRCOOL DIY 230V air handlers or ceiling cassettes.\u003c\/p\u003e","brand":"MRCOOL DIY Direct","offers":[{"title":"Default Title","offer_id":49176856363235,"sku":"DIYHH-18-HP-C-230D25-O","price":2264.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/8752\/3043\/files\/mrcool-diyhh-18-hyper-heat-18k-condenser-with-precharged-quickconnect-lineset-r454b-230v.jpg?v=1780844472","url":"https:\/\/freedomhvacsupply.com\/products\/mrcool-diyhh-18-hyper-heat-18k-btu-condenser-5th-gen-22-f-heating-r-454b-230v-diy-quickconnect","provider":"Freedom HVAC Supply","version":"1.0","type":"link"}