{"product_id":"mrcool-diy®-5th-gen-e-star-18-000-btu-single-zone-mini-split-complete-system-with-25ft-line-set-230v-diy-18-hp-wm-230d25-o","title":"MRCOOL DIY® 5th Gen E Star 18,000 BTU Single Zone Mini Split Complete System with 25ft. Line Set 230V, DIY-18-HP-WM-230D25-O","description":"\u003ch3 data-end=\"1144\" data-start=\"1072\"\u003e\u003cstrong data-end=\"1144\" data-start=\"1076\"\u003eMRCOOL DIY® E-Star 18K BTU 5th Gen Single-Zone Mini Split System\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1515\" data-start=\"1146\"\u003eThe MRCOOL DIY® E-Star 5th Generation 18,000 BTU Single-Zone Mini Split System is engineered for homeowners who need \u003cstrong data-end=\"1312\" data-start=\"1263\"\u003estrong heating performance in colder climates\u003c\/strong\u003e without giving up the simplicity of DIY installation. Designed for spaces approximately \u003cstrong data-end=\"1424\" data-start=\"1401\"\u003e500–750 square feet\u003c\/strong\u003e, this system delivers dependable year-round comfort with enhanced cold-weather capability.\u003c\/p\u003e\n\u003cp data-end=\"1855\" data-start=\"1517\"\u003eUnlike standard mini split systems, the E-Star series is \u003cstrong data-end=\"1600\" data-start=\"1574\"\u003ecold-climate optimized\u003c\/strong\u003e, using advanced inverter and compressor technology to maintain heating performance at much lower outdoor temperatures. While all MRCOOL systems provide efficient cooling, the E-Star is purpose-built for regions that experience extended winter conditions.\u003c\/p\u003e\n\u003cp data-end=\"2228\" data-start=\"1857\"\u003eBuilt on MRCOOL’s proven DIY platform, the system includes a \u003ca href=\"https:\/\/mrcooldiydirect.com\/products\/mrcool-gen-5-pre-charged-mini-split-line-set-r-454b\" title=\"pre-charged line set different lengths available\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong data-end=\"1975\" data-start=\"1918\"\u003e25 ft MRCOOL® DIY® Quick Connect Pre-Charged Line Set\u003c\/strong\u003e\u003c\/a\u003e, allowing installation without vacuum pumps, refrigerant handling, or specialized HVAC tools. All critical components arrive factory sealed and pre-charged, making installation accessible for homeowners while maintaining professional-grade performance.\u003c\/p\u003e\n\u003cp data-end=\"2531\" data-start=\"2230\"\u003eThe E-Star system uses \u003cstrong data-end=\"2275\" data-start=\"2253\"\u003eR-454B refrigerant\u003c\/strong\u003e, a lower-GWP alternative to R-410A that meets modern efficiency and environmental standards while supporting high-performance heating and cooling. Advanced inverter operation helps maintain consistent indoor temperatures while reducing energy consumption.\u003c\/p\u003e\n\u003cp data-end=\"2863\" data-start=\"2533\"\u003eComfort control is simple and flexible. The system supports wireless remote control, app-based control through the MRCOOL Smart HVAC app, and voice control via \u003cstrong data-end=\"2730\" data-start=\"2693\"\u003eAmazon Alexa and Google Assistant\u003c\/strong\u003e. Features such as Follow Me temperature sensing and Dry Mode dehumidification allow precise comfort adjustments throughout the year.\u003c\/p\u003e\n\u003cp data-end=\"3166\" data-start=\"2865\"\u003eDesigned for durability, the outdoor condenser features \u003cstrong data-end=\"2962\" data-start=\"2921\"\u003eGold Fin® corrosion-resistant coating\u003c\/strong\u003e, making it suitable for coastal or harsh environments. Backed by manufacturer warranty coverage when properly registered, the MRCOOL DIY® E-Star 18K system offers long-term reliability and peace of mind.\u003c\/p\u003e\n\u003cp data-end=\"3361\" data-start=\"3168\"\u003eThis system is an ideal solution for homeowners seeking \u003cstrong data-end=\"3260\" data-start=\"3224\"\u003ecold-climate heating performance\u003c\/strong\u003e, smart control, and the cost savings of DIY installation—without compromising quality or capability.\u003c\/p\u003e\n\u003ch1\u003e\u003cspan\u003eSpecifications \u0026amp; Dimensions\u003c\/span\u003e\u003c\/h1\u003e\n\u003ctable width=\"100%\" style=\"height: 109.444px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 89.8611px;\"\u003e\n\u003cth colspan=\"4\" class=\"TableHeaderWrapper-sc-1h9cp9g-0 flbPtJ table-header-cell header-cell table-cell variant--filled shape--rounded table-header\" style=\"width: 99.304%; height: 89.8611px;\"\u003e\n\u003cdiv class=\"th-container\"\u003e\n\u003cdiv class=\"cell-content\"\u003e\n\u003ch3 color=\"text_primary\" class=\"styles__H5-sc-11vpuyu-4 jtqedr typography variant--h5 align--left header-content\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3 data-start=\"222\" data-end=\"304\"\u003e🛠️ About Our Longer Line Set Options for MRCOOL DIY 5th Gen Mini-Split Systems\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"306\" data-end=\"675\" class=\"\"\u003eAt MRCOOL DIY Direct, we understand that \u003cstrong data-start=\"347\" data-end=\"374\"\u003eevery home is different\u003c\/strong\u003e, and that the standard \u003cstrong data-start=\"398\" data-end=\"430\"\u003e25-foot pre-charged line set\u003c\/strong\u003e included with MRCOOL DIY systems may not fit every installation. That’s why we offer a range of \u003cstrong data-start=\"527\" data-end=\"571\"\u003elonger and customizable line set options\u003c\/strong\u003e, making it easier for you to get exactly what you need — \u003cstrong data-start=\"629\" data-end=\"674\"\u003ewithout extra hassle or unnecessary parts\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-start=\"677\" data-end=\"714\" class=\"\"\u003e🚀 How Our Line Set Options Work:\u003c\/h3\u003e\n\u003cul data-start=\"716\" data-end=\"1328\"\u003e\n\u003cli data-start=\"716\" data-end=\"854\" class=\"\"\u003e\n\u003cp data-start=\"718\" data-end=\"854\" class=\"\"\u003e\u003cstrong data-start=\"718\" data-end=\"738\"\u003eStandard System:\u003c\/strong\u003e\u003cbr data-start=\"738\" data-end=\"741\"\u003eEvery system from MRCOOL comes factory-bundled with a \u003cstrong data-start=\"797\" data-end=\"825\"\u003e25' pre-charged line set\u003c\/strong\u003e and \u003cstrong data-start=\"830\" data-end=\"853\"\u003e25' of control wire\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"858\" data-end=\"1328\" class=\"\"\u003e\n\u003cp data-start=\"860\" data-end=\"977\" class=\"\"\u003e\u003cstrong data-start=\"860\" data-end=\"893\"\u003eChoosing an Alternate Length:\u003c\/strong\u003e\u003cbr data-start=\"893\" data-end=\"896\"\u003eIf you select a different line set length (such as 16', 35', 41', 50', or 75'):\u003c\/p\u003e\n\u003cul data-start=\"980\" data-end=\"1328\"\u003e\n\u003cli data-start=\"980\" data-end=\"1050\" class=\"\"\u003e\n\u003cp data-start=\"982\" data-end=\"1050\" class=\"\"\u003eYour order will be \u003cstrong data-start=\"1001\" data-end=\"1019\"\u003ecustom-bundled\u003c\/strong\u003e individually at our warehouse.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1053\" data-end=\"1140\" class=\"\"\u003e\n\u003cp data-start=\"1055\" data-end=\"1140\" class=\"\"\u003eThis process typically adds \u003cstrong data-start=\"1083\" data-end=\"1110\"\u003e1–2 extra business days\u003c\/strong\u003e for preparation and shipping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1143\" data-end=\"1328\" class=\"\"\u003e\n\u003cp data-start=\"1145\" data-end=\"1328\" class=\"\"\u003eYou will receive the exact pre-charged line set footage you requested — either as a \u003cstrong data-start=\"1229\" data-end=\"1248\"\u003esingle line set\u003c\/strong\u003e or a \u003cstrong data-start=\"1254\" data-end=\"1286\"\u003ecombination of two line sets\u003c\/strong\u003e (if needed) to achieve the proper length.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1330\" data-end=\"1363\" class=\"\"\u003e📦 Important Details to Know:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1365\" data-end=\"1881\" class=\"\"\u003e\n\u003cp data-start=\"1367\" data-end=\"1400\" class=\"\"\u003e\u003cstrong data-start=\"1367\" data-end=\"1398\"\u003eSingle vs Combined Lengths:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1405\" data-end=\"1474\"\u003e\n\u003cstrong data-start=\"1405\" data-end=\"1412\"\u003e16'\u003c\/strong\u003e: Factory 25' is swapped for a \u003cstrong data-start=\"1443\" data-end=\"1471\"\u003e16' pre-charged line set\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1479\" data-end=\"1540\"\u003e\n\u003cstrong data-start=\"1479\" data-end=\"1486\"\u003e35'\u003c\/strong\u003e: A \u003cstrong data-start=\"1490\" data-end=\"1525\"\u003esingle 35' pre-charged line set\u003c\/strong\u003e is provided.\u003c\/li\u003e\n\u003cli data-start=\"1545\" data-end=\"1675\"\u003e\n\u003cstrong data-start=\"1545\" data-end=\"1552\"\u003e41'\u003c\/strong\u003e: Combines your standard 25' line set with an additional \u003cstrong data-start=\"1609\" data-end=\"1625\"\u003e16' line set\u003c\/strong\u003e + supplied coupler + \u003cstrong data-start=\"1647\" data-end=\"1672\"\u003eextended control wire\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1680\" data-end=\"1770\"\u003e\n\u003cstrong data-start=\"1680\" data-end=\"1687\"\u003e50'\u003c\/strong\u003e: A \u003cstrong data-start=\"1691\" data-end=\"1730\"\u003econtinuous 50' pre-charged line set\u003c\/strong\u003e is provided with longer control wire.\u003c\/li\u003e\n\u003cli data-start=\"1775\" data-end=\"1881\"\u003e\n\u003cstrong data-start=\"1775\" data-end=\"1782\"\u003e75'\u003c\/strong\u003e: Combines a 25' + 50' pre-charged line set with \u003cstrong data-start=\"1831\" data-end=\"1843\"\u003ecouplers\u003c\/strong\u003e and \u003cstrong data-start=\"1848\" data-end=\"1880\"\u003e75' of extended control wire\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1883\" data-end=\"2247\" class=\"\"\u003e\n\u003cp data-start=\"1885\" data-end=\"2035\" class=\"\"\u003e\u003cstrong data-start=\"1885\" data-end=\"1910\"\u003eControl Wire Upgrade:\u003c\/strong\u003e\u003cbr data-start=\"1910\" data-end=\"1913\"\u003eAny time your line set length exceeds 25', \u003cstrong data-start=\"1958\" data-end=\"2004\"\u003eyou will receive a new longer control wire\u003c\/strong\u003e matched to the total length.\u003c\/p\u003e\n\u003cblockquote data-start=\"2038\" data-end=\"2247\"\u003e\n\u003cp data-start=\"2040\" data-end=\"2247\" class=\"\"\u003eWe never recommend splicing control wires. These systems are essentially computers — \u003cstrong data-start=\"2125\" data-end=\"2163\"\u003eshielded, continuous control cable\u003c\/strong\u003e ensures no interference, no corrosion, and no installation headaches down the road.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2254\" data-end=\"2298\" class=\"\"\u003eWhy Shoppers Trust MRCOOL DIY Direct:\u003c\/h3\u003e\n\u003cp data-start=\"2300\" data-end=\"2491\" class=\"\"\u003eUnlike big-box retailers that sell you a one-size-fits-all kit (and leave you hunting for missing parts), we \u003cstrong data-start=\"2409\" data-end=\"2441\"\u003ecustom-configure your system\u003c\/strong\u003e so you have everything you need from the start.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2494\" data-end=\"2537\"\u003e\u003cstrong data-start=\"2494\" data-end=\"2535\"\u003eNo extra trips to the hardware store.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"2540\" data-end=\"2590\"\u003e\u003cstrong data-start=\"2540\" data-end=\"2588\"\u003eNo guessing which coupler or cable you need.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"2593\" data-end=\"2630\"\u003e\u003cstrong data-start=\"2593\" data-end=\"2630\"\u003eNo surprises during installation.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2632\" data-end=\"2971\" class=\"\"\u003eWith \u003cstrong data-start=\"2637\" data-end=\"2693\"\u003eyears of experience specializing in DIY HVAC systems\u003c\/strong\u003e, MRCOOL DIY Direct has earned a reputation as the \u003cstrong data-start=\"2744\" data-end=\"2790\"\u003eUSA's most trusted independent HVAC dealer\u003c\/strong\u003e.\u003cbr data-start=\"2791\" data-end=\"2794\"\u003eWe are committed to making DIY HVAC installation \u003cstrong data-start=\"2843\" data-end=\"2887\"\u003esimple, affordable, and frustration-free\u003c\/strong\u003e — and our custom line set bundling is just one more way we deliver on that promise.\u003c\/p\u003e\n\u003cp data-start=\"2978\" data-end=\"3138\" class=\"\"\u003e🔧 \u003cstrong data-start=\"2981\" data-end=\"3047\"\u003eNeed help choosing the right line set length for your project?\u003c\/strong\u003e\u003cbr data-start=\"3047\" data-end=\"3050\"\u003eContact our expert team today — we’re here to help you get it done right the first time!\u003c\/p\u003e","brand":"MRCOOL DIY Direct","offers":[{"title":"25' Feet (Standard Length)","offer_id":49175952359651,"sku":"DIY-18-HP-WM-230D25-O-1","price":2910.0,"currency_code":"USD","in_stock":true},{"title":"41' Feet (Includes 2 Line Sets+Couplers+Control Wire)","offer_id":49175952392419,"sku":"DIY-18-HP-WM-230D25-O-4","price":3615.0,"currency_code":"USD","in_stock":true},{"title":"50' Feet (Includes 2 Line Sets+Couplers+Control Wire)","offer_id":49175952425187,"sku":"DIY-18-HP-WM-230D25-O-5","price":3665.0,"currency_code":"USD","in_stock":true},{"title":"60' Feet (Includes 2 Line Sets+Couplers+Control Wire)","offer_id":49175952457955,"sku":"DIY-18-HP-WM-230D25-O-6","price":3859.0,"currency_code":"USD","in_stock":true},{"title":"75' Feet (Includes 2 Line Sets+Couplers+Control Wire)","offer_id":49175952490723,"sku":"sku-51436549603645","price":3964.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/8752\/3043\/files\/DIY-09-HP-WM-115D25-O.webp?v=1780842938","url":"https:\/\/freedomhvacsupply.com\/products\/mrcool-diy%c2%ae-5th-gen-e-star-18-000-btu-single-zone-mini-split-complete-system-with-25ft-line-set-230v-diy-18-hp-wm-230d25-o","provider":"Freedom HVAC Supply","version":"1.0","type":"link"}