{"product_id":"mrcool-diy-5th-gen-e-star-series-18k-btu-1-5-ton-21-5-seer2-ductless-mini-split-heat-pump-system-with-ceiling-cassette-air-handler-r-454b","title":"MRCOOL DIY 5th Gen E-Star Series 18K BTU, 1.5 Ton, 21.5 SEER2 Ductless Mini-Split Heat Pump System with Ceiling Cassette Air Handler – R-454B","description":"\u003ch2 data-start=\"183\" data-end=\"329\"\u003eMRCOOL DIY 5th Gen E-Star Series 18K BTU, 1.5 Ton, 21.5 SEER2 Ductless Mini-Split Heat Pump System with Ceiling Cassette Air Handler – R-454B\u003c\/h2\u003e\n\u003cp data-start=\"331\" data-end=\"689\"\u003eThe \u003cstrong data-start=\"335\" data-end=\"407\"\u003eMRCOOL DIY 5th Gen E-Star Series 18K BTU Mini-Split Heat Pump System\u003c\/strong\u003e delivers next-generation efficiency, low environmental impact, and true do-it-yourself installation. This single-zone package features a premium ceiling cassette air handler for discreet comfort, providing powerful heating and cooling performance without compromising aesthetics.\u003c\/p\u003e\n\u003cp data-start=\"691\" data-end=\"1045\"\u003eUnlike traditional wall-mounted units, the MRCOOL ceiling cassette fits neatly between standard 16” ceiling joists, making it the perfect low-profile solution for modern homes and office spaces. This system uses MRCOOL’s latest \u003cstrong data-start=\"919\" data-end=\"941\"\u003eR-454B refrigerant\u003c\/strong\u003e, offering a lower Global Warming Potential (GWP) and compliance with updated refrigerant regulations.\u003c\/p\u003e\n\u003chr data-start=\"1047\" data-end=\"1050\"\u003e\n\u003cp data-start=\"1052\" data-end=\"1092\"\u003e💡 \u003cstrong data-start=\"1055\" data-end=\"1090\"\u003eWhat’s Included in This Bundle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1094\" data-end=\"1197\"\u003e✔ \u003cstrong data-start=\"1096\" data-end=\"1167\"\u003eMRCOOL DIY 5th Gen 18K BTU, 1.5 Ton, 21.5 SEER2 Heat Pump Condenser\u003c\/strong\u003e\u003cbr data-start=\"1167\" data-end=\"1170\"\u003e(Model: DIY-18-HP-C-230C)\u003c\/p\u003e\n\u003cp data-start=\"1199\" data-end=\"1296\"\u003e✔ \u003cstrong data-start=\"1201\" data-end=\"1260\"\u003eMRCOOL DIY 5th Gen 18K BTU Ceiling Cassette Air Handler\u003c\/strong\u003e\u003cbr data-start=\"1260\" data-end=\"1263\"\u003e(Model: DIYCASSETTE18HP-230C25)\u003c\/p\u003e\n\u003cp data-start=\"1298\" data-end=\"1412\"\u003e✔ \u003cstrong data-start=\"1300\" data-end=\"1370\"\u003eStandard 25 Ft. MRCOOL Pre-Charged Quick Connect Line Set – R-454B\u003c\/strong\u003e\u003cbr data-start=\"1370\" data-end=\"1373\"\u003e(No vacuum or special tools required)\u003c\/p\u003e\n\u003chr data-start=\"1414\" data-end=\"1417\"\u003e\n\u003cp data-end=\"467\" data-start=\"221\"\u003e💬 \u003cstrong data-end=\"251\" data-start=\"224\"\u003eNeed a longer line set?\u003c\/strong\u003e\u003cbr data-end=\"254\" data-start=\"251\"\u003eThis system comes standard with a \u003cstrong data-end=\"316\" data-start=\"288\"\u003e25' pre-charged line set\u003c\/strong\u003e. You can upgrade to a \u003cstrong data-end=\"393\" data-start=\"339\"\u003e35' continuous line set with matching control wire\u003c\/strong\u003e for installations requiring a bit more reach without added connections.\u003c\/p\u003e\n\u003cp data-end=\"781\" data-start=\"469\"\u003eFor even greater flexibility, extended configurations are also available in \u003cstrong data-end=\"552\" data-start=\"545\"\u003e41'\u003c\/strong\u003e, \u003cstrong data-end=\"561\" data-start=\"554\"\u003e50'\u003c\/strong\u003e, or \u003cstrong data-end=\"592\" data-start=\"566\"\u003e75' total line lengths\u003c\/strong\u003e. These setups use the included 25' pre-charged line set paired with an additional pre-charged line set connected via \u003cstrong data-end=\"744\" data-start=\"710\"\u003eMRCOOL Quick Connect® couplers\u003c\/strong\u003e, along with a longer control wire.\u003c\/p\u003e\n\u003cp data-end=\"1004\" data-start=\"783\"\u003eThis \u003cstrong data-end=\"824\" data-start=\"788\"\u003esectional or continuous approach\u003c\/strong\u003e provides easy installation options for every scenario—from simple straight runs to complex or tight routing—while maintaining MRCOOL’s leak-proof reliability and DIY simplicity.\u003c\/p\u003e\n\u003chr data-start=\"1858\" data-end=\"1861\"\u003e\n\u003cp data-start=\"1863\" data-end=\"1922\"\u003e🌡️ \u003cstrong data-start=\"1867\" data-end=\"1920\"\u003eMRCOOL 5th Gen Heat Pump Condenser – Key Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1924\" data-end=\"2511\"\u003e\n\u003cli data-start=\"1924\" data-end=\"2019\"\u003e\n\u003cp data-start=\"1926\" data-end=\"2019\"\u003e\u003cstrong data-start=\"1926\" data-end=\"1947\"\u003e18,000 BTU Output\u003c\/strong\u003e – Ideal for heating \u0026amp; cooling single-zone spaces up to ~750–800 sq ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2020\" data-end=\"2108\"\u003e\n\u003cp data-start=\"2022\" data-end=\"2108\"\u003e\u003cstrong data-start=\"2022\" data-end=\"2052\"\u003e21.5 SEER2 High Efficiency\u003c\/strong\u003e – Lower utility costs without sacrificing performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2109\" data-end=\"2188\"\u003e\n\u003cp data-start=\"2111\" data-end=\"2188\"\u003e\u003cstrong data-start=\"2111\" data-end=\"2150\"\u003ePre-Charged with R-454B Refrigerant\u003c\/strong\u003e – Eco-friendly, low-GWP refrigerant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2189\" data-end=\"2267\"\u003e\n\u003cp data-start=\"2191\" data-end=\"2267\"\u003e\u003cstrong data-start=\"2191\" data-end=\"2221\"\u003eGold Fin Condenser Coating\u003c\/strong\u003e – Corrosion-resistant for long outdoor life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2268\" data-end=\"2333\"\u003e\n\u003cp data-start=\"2270\" data-end=\"2333\"\u003e\u003cstrong data-start=\"2270\" data-end=\"2292\"\u003eCold Weather Ready\u003c\/strong\u003e – Operates in temperatures down to 5°F\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2334\" data-end=\"2411\"\u003e\n\u003cp data-start=\"2336\" data-end=\"2411\"\u003e\u003cstrong data-start=\"2336\" data-end=\"2361\"\u003eTrue DIY Installation\u003c\/strong\u003e – Quick Connect fittings, no vacuum pump needed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2412\" data-end=\"2511\"\u003e\n\u003cp data-start=\"2414\" data-end=\"2511\"\u003e\u003cstrong data-start=\"2414\" data-end=\"2426\"\u003eWarranty\u003c\/strong\u003e – 7-Year Compressor \/ 5-Year Parts (Lifetime Limited Compressor with registration)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2513\" data-end=\"2516\"\u003e\n\u003cp data-start=\"2518\" data-end=\"2572\"\u003e🔲 \u003cstrong data-start=\"2521\" data-end=\"2570\"\u003eMRCOOL Ceiling Cassette Air Handler – 18K BTU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2574\" data-end=\"3061\"\u003e\n\u003cli data-start=\"2574\" data-end=\"2660\"\u003e\n\u003cp data-start=\"2576\" data-end=\"2660\"\u003e\u003cstrong data-start=\"2576\" data-end=\"2606\"\u003eFlush Ceiling Installation\u003c\/strong\u003e – Fits between 16” joists for a seamless appearance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2661\" data-end=\"2743\"\u003e\n\u003cp data-start=\"2663\" data-end=\"2743\"\u003e\u003cstrong data-start=\"2663\" data-end=\"2689\"\u003eMultiple Comfort Modes\u003c\/strong\u003e – FAN ONLY, QUIET, SLEEP, AUTO for complete control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2744\" data-end=\"2829\"\u003e\n\u003cp data-start=\"2746\" data-end=\"2829\"\u003e\u003cstrong data-start=\"2746\" data-end=\"2777\"\u003eElevating Air Filter System\u003c\/strong\u003e – Drops up to 4.9 ft for easy, tool-free cleaning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2830\" data-end=\"2899\"\u003e\n\u003cp data-start=\"2832\" data-end=\"2899\"\u003e\u003cstrong data-start=\"2832\" data-end=\"2853\"\u003eUnified Aesthetic\u003c\/strong\u003e – Matches MRCOOL multi-zone cassette design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2900\" data-end=\"2977\"\u003e\n\u003cp data-start=\"2902\" data-end=\"2977\"\u003e\u003cstrong data-start=\"2902\" data-end=\"2922\"\u003eSmart Home Ready\u003c\/strong\u003e – Wi-Fi enabled, works with Alexa \u0026amp; Google Assistant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2978\" data-end=\"3061\"\u003e\n\u003cp data-start=\"2980\" data-end=\"3061\"\u003e\u003cstrong data-start=\"2980\" data-end=\"3001\"\u003eExpandable Design\u003c\/strong\u003e – Visually matches multi-zone setups for future expansion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3063\" data-end=\"3066\"\u003e\n\u003cp data-start=\"3068\" data-end=\"3107\"\u003e🔧 \u003cstrong data-start=\"3071\" data-end=\"3105\"\u003eWhy Choose MRCOOL DIY 5th Gen?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3109\" data-end=\"3496\"\u003e\n\u003cli data-start=\"3109\" data-end=\"3183\"\u003e\n\u003cp data-start=\"3111\" data-end=\"3183\"\u003e\u003cstrong data-start=\"3111\" data-end=\"3139\"\u003eNo HVAC License Required\u003c\/strong\u003e – Perfect for homeowners \u0026amp; skilled DIYers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3184\" data-end=\"3253\"\u003e\n\u003cp data-start=\"3186\" data-end=\"3253\"\u003e\u003cstrong data-start=\"3186\" data-end=\"3218\"\u003eR-454B Refrigerant Compliant\u003c\/strong\u003e – Ready for new HVAC regulations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3254\" data-end=\"3322\"\u003e\n\u003cp data-start=\"3256\" data-end=\"3322\"\u003e\u003cstrong data-start=\"3256\" data-end=\"3281\"\u003ePre-Charged Line Sets\u003c\/strong\u003e – No refrigerant handling or vacuuming\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3323\" data-end=\"3390\"\u003e\n\u003cp data-start=\"3325\" data-end=\"3390\"\u003e\u003cstrong data-start=\"3325\" data-end=\"3345\"\u003eEnergy Efficient\u003c\/strong\u003e – Meets or exceeds ENERGY STAR® guidelines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3391\" data-end=\"3496\"\u003e\n\u003cp data-start=\"3393\" data-end=\"3496\"\u003e\u003cstrong data-start=\"3393\" data-end=\"3431\"\u003eNationwide Support \u0026amp; Fast Shipping\u003c\/strong\u003e – Buy from the #1 Independent MRCOOL Dealer: MRCOOL DIY Direct\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3498\" data-end=\"3501\"\u003e\n\u003cp data-start=\"3503\" data-end=\"3801\"\u003e🛒 \u003cstrong data-start=\"3506\" data-end=\"3570\"\u003eOrder Your MRCOOL 5th Gen DIY Ceiling Cassette System Today!\u003c\/strong\u003e\u003cbr data-start=\"3570\" data-end=\"3573\"\u003eExperience discreet, high-efficiency climate control you can install yourself. Whether you’re upgrading a bedroom, home office, or guest suite, this 5th Gen DIY mini-split is built for performance, convenience, and compliance.\u003c\/p\u003e\n\u003cp data-start=\"3803\" data-end=\"3883\"\u003e🔗 \u003cstrong data-start=\"3806\" data-end=\"3839\"\u003eShop now at MRCOOL DIY Direct\u003c\/strong\u003e – stay cool and save the smart, easy way.\u003c\/p\u003e\n\u003ch1\u003e\u003cspan\u003eSpecifications \u0026amp; Dimensions\u003c\/span\u003e\u003c\/h1\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable width=\"585\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003ch3\u003e\u003cstrong\u003eCondenser\u003c\/strong\u003e\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003e26.5\" H x 13.46\" L x 35.04\" W\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003e240\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eSEER\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003e22\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eHeating Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003e\u003cspan\u003e15,001 - 20,000 BTU\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eRefrigerant Type\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003eR-454B\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eAvg Coverage Area\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003e\u003cspan\u003e750 - 900 Sq Ft\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eCompressor\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003e\u003cspan\u003eInverter\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable width=\"585\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003ch3\u003e\u003cstrong\u003eAir Handler\u003c\/strong\u003e\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003e13.19 in D x 8.98 in H x 50.31 in W\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003e208\/230\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eSEER\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003e21.8\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eCooling Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003e\u003cspan\u003e17000\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eHeating Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003e\u003cspan\u003e19000\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eRefrigerant Type\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003eR-454B\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eMin Ambient Cool\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003e\u003cspan\u003e60F ~ 90F\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"223\"\u003e\n\u003cp\u003e\u003cstrong\u003eMin Ambient Heat\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\n\u003cp\u003e\u003cspan\u003e32F ~ 86F\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"MRCOOL DIY Direct","offers":[{"title":"25' Feet - Standard","offer_id":49176413012195,"sku":"5th-Gen-MS1-C18K-454B-1","price":3410.0,"currency_code":"USD","in_stock":true},{"title":"35' Feet - Continuous Line Set + Control Wire","offer_id":49176413044963,"sku":"35' Feet - Continuous Line Set","price":4190.0,"currency_code":"USD","in_stock":true},{"title":"41' Feet - Extended (25'+16'+Couplers+Control Wire)","offer_id":49176413077731,"sku":"sku-50609996988733","price":4035.0,"currency_code":"USD","in_stock":true},{"title":"50' Feet - Extended (25'+25'+Couplers+Control Wire","offer_id":49176413110499,"sku":"sku-50609997021501","price":4136.0,"currency_code":"USD","in_stock":true},{"title":"75' Feet - Extended (25'+50'+Couplers+Control Wire","offer_id":49176413143267,"sku":"sku-50829767770429","price":4434.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/8752\/3043\/files\/MRCOOL_DIY_4th_Gen_18K_BTU_1.5_Ton_22_SEER_Ductless_Mini-Split_Heat_Pump_Complete_System_with_Ceiling_Cassette_Air_Handler_25_Ft._Line_Set_-_-4491305_2b14d9b2-8588-421f-a598-f363f9bdc6f5.jpg?v=1780843677","url":"https:\/\/freedomhvacsupply.com\/products\/mrcool-diy-5th-gen-e-star-series-18k-btu-1-5-ton-21-5-seer2-ductless-mini-split-heat-pump-system-with-ceiling-cassette-air-handler-r-454b","provider":"Freedom HVAC Supply","version":"1.0","type":"link"}