{"product_id":"mrcool-diy-5th-gen-18k-mini-split-230v","title":"MRCOOL® DIY® 5th Gen ENERGY STAR® 18,000 BTU Single-Zone Mini Split Complete System with 25 Ft. Line Set – 230V (DIY-18-HP-WM-230D25-O)","description":"\u003ch4\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0919\/2525\/0380\/files\/MRCOOL_Logo.png?v=1749484134\" alt=\"\" width=\"246\" height=\"49\"\u003e\u003c\/h4\u003e\n\u003ch4\u003eMODEL:  \u003cspan class=\"sui-font-normal\"\u003e\u003cspan\u003eDIY-18-HP-WM-230D25-O\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003ch3\u003eMore Power. Bigger Spaces. DIY Simple.\u003c\/h3\u003e\n\u003cp\u003eThe MRCOOL® DIY® 5th Gen 18K BTU Single-Zone Mini-Split System (208\/230V) delivers quiet, energy-efficient heating and cooling for spaces up to approximately 800 sq ft — all in one complete system designed for reliable year-round comfort.\u003c\/p\u003e\n\u003cp\u003eIdeal for living rooms, larger bedrooms, garages, basements, open-plan spaces, home offices, and medium-to-large living areas, this system combines dependable performance, smart control, and simplified installation in one streamlined solution built for everyday use.\u003c\/p\u003e\n\u003cp\u003eThe system includes a wall-mounted indoor air handler, outdoor condenser, 25 ft Quick Connect® pre-charged line set with R-454B refrigerant, and DIYPRO® cable.\u003c\/p\u003e\n\u003cp\u003eControl your comfort from anywhere using the SmartHVAC app on Apple or Android devices, or enjoy hands-free voice control with Amazon Alexa and Google Assistant.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy You’ll Love It\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e✅ Ideal for spaces up to \u003cstrong\u003e~ 800 sq ft\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✅ Heating \u0026amp; cooling in one complete system\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✅ Smart app control with Alexa \u0026amp; Google Assistant\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✅ Quiet performance for living spaces and larger rooms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✅ 25 ft Quick Connect® pre-charged line set included\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✅ Energy-efficient DC inverter technology\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e✅ Gold Fin® coating for added durability\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eBest For\u003c\/h2\u003e\n\u003cp\u003eLiving Rooms • Large Bedrooms • Garages • Basements • Open-Plan Spaces • Home Offices\u003c\/p\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × MRCOOL® DIY® 18K 5th Gen Condenser — \u003ca href=\"https:\/\/www.coolheatdirect.com\/products\/mrcool%C2%AE-12k-diy-5th-generation-mini-split-condenser-115v-copy?_pos=2\u0026amp;_sid=6c9c44a26\u0026amp;_ss=r\u0026amp;variant=52868934893900\"\u003eDIY-18-HP-C-230D25-O\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e1 × MRCOOL® DIY® 18K 5th Gen Air Handler —  \u003ca href=\"https:\/\/www.coolheatdirect.com\/products\/mrcool%C2%AE-12k-diy-5th-generation-mini-split-air-handler-115v-copy?_pos=2\u0026amp;_sid=b4cda94d6\u0026amp;_ss=r\u0026amp;variant=52868026270028\"\u003eDIY-18-HP-WMAH-230D25-O\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e1 × 25 ft Quick Connect® Line Set, 1\/4\" × 1\/2\"\u003c\/li\u003e\n\u003cli\u003e1 × MRCOOL® Remote Control \u003c\/li\u003e\n\u003cli\u003e1 × DIYPRO® Cable\u003c\/li\u003e\n\u003cli\u003eInstallation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\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\u003eCooling Capacity\u003c\/td\u003e\n\u003ctd\u003e18,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Capacity\u003c\/td\u003e\n\u003ctd\u003e18,000 BTU\u003c\/td\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\u003eZone Type\u003c\/td\u003e\n\u003ctd\u003eSingle Zone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2\u003c\/td\u003e\n\u003ctd\u003e22.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEER2\u003c\/td\u003e\n\u003ctd\u003e13.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2-4\u003c\/td\u003e\n\u003ctd\u003e11.5\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\u003eIndoor Sound Level\u003c\/td\u003e\n\u003ctd\u003e19–54.5 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Sound Level\u003c\/td\u003e\n\u003ctd\u003e58.5 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiFi Compatible\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice Assistant\u003c\/td\u003e\n\u003ctd\u003eAlexa \u0026amp; Google Assistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInverter Technology\u003c\/td\u003e\n\u003ctd\u003eDC Inverter\u003c\/td\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\u003eRefrigerant Volume\u003c\/td\u003e\n\u003ctd\u003e44.8 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Set Length\u003c\/td\u003e\n\u003ctd\u003e25 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Line Set Length\u003c\/td\u003e\n\u003ctd\u003e98.4 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Sizes\u003c\/td\u003e\n\u003ctd\u003e1\/4\" Liquid \/ 1\/2\" Suction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompressor Type\u003c\/td\u003e\n\u003ctd\u003eRotary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eAHRI, UL, ETL, Energy Star®\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-Year Compressor \/ 5-Year Parts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eRoom Size \u0026amp; BTU Guide \u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBTU Rating\u003c\/th\u003e\n\u003cth\u003eRecommended Space\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e9K BTU\u003c\/td\u003e\n\u003ctd\u003e250–400 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12K BTU\u003c\/td\u003e\n\u003ctd\u003e400–600 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e18K BTU\u003c\/td\u003e\n\u003ctd\u003e600–800 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24K BTU\u003c\/td\u003e\n\u003ctd\u003e800–1,200 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eRoom size recommendations may vary depending on insulation quality, ceiling height, climate zone, window exposure, and room layout.\u003c\/p\u003e\n\u003ch2\u003eNeed More Heating \u0026amp; Cooling Power?\u003c\/h2\u003e\n\u003cp\u003eExplore larger systems for bigger spaces or higher heating and cooling demands:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.coolheatdirect.com\/search?type=product\u0026amp;q=24K+BTU+Systems\"\u003e24K BTU Systems\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.coolheatdirect.com\/collections\/36k-btu-systems\"\u003e36K BTU Systems\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.coolheatdirect.com\/collections\/mrcool%C2%AE-diy-multi-zone-systems\"\u003eMulti-Zone Systems\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eInstallation\u003c\/h5\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for simplified installation using MRCOOL® Quick Connect® technology.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLocal electrical requirements and building codes may vary.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProfessional electrical work may still be recommended depending on local regulations and installation requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlways review the installation manual before purchase and installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation \u0026amp; Manuals \u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0919\/2525\/0380\/files\/Quck_Start_Guide_DIY_5th_Gen.pdf?v=1780756825\"\u003eQuick Start Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0919\/2525\/0380\/files\/Brochure_DIY_5th_Gen.pdf?v=1780756851\"\u003eProduct Brochure\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0919\/2525\/0380\/files\/Install_Manual_DIY_5th_Gen.pdf?v=1780756848\"\u003eInstallation Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0919\/2525\/0380\/files\/Service_Manual_DIY_5th_Gen.pdf?v=1780756842\"\u003eService Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0919\/2525\/0380\/files\/Warranty_DIY_5th_Gen.pdf?v=1780756826\"\u003eWarranty Document\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eWarranty Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e7-Year Compressor Warranty\u003c\/li\u003e\n\u003cli\u003e5-Year Parts Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease refer to the Warranty Document above for full coverage details, terms, and registration requirements.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFree Shipping:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Available on eligible orders to the Lower 48 states and Washington, D.C.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHVAC Systems:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Shipped by freight with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFREE Curbside Delivery\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to your property.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSmaller Items:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Shipped by standard parcel carrier, such as FedEx or UPS. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e30-Day Returns:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Return requests can be submitted within 30 days of delivery.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eReturn Condition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Products must be new, unused, uninstalled and in their original packaging.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eReturn Charges:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Return shipping and restocking fees may apply depending on the product and reason for return. \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eView our \u003ca href=\"https:\/\/www.coolheatdirect.com\/policies\/shipping-policy\" tabindex=\"0\"\u003eShipping Policy \u003c\/a\u003eand \u003ca href=\"https:\/\/www.coolheatdirect.com\/pages\/returns-warranty\" tabindex=\"0\"\u003eReturns Policy\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MRCOOL","offers":[{"title":"Default Title","offer_id":57561633685836,"sku":"DIY-18-HP-WM-230D25-O","price":2609.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/2525\/0380\/files\/5ht_Gen_18_K_-_System.png?v=1779042845","url":"https:\/\/www.coolheatdirect.com\/products\/mrcool-diy-5th-gen-18k-mini-split-230v","provider":"Cool Heat Direct","version":"1.0","type":"link"}