{"title":"36K BTU Systems","description":"","products":[{"product_id":"mrcool-universal-36k-3-ton-heat-pump-system-r454b","title":"MRCOOL® Universal® Series 36K BTU 3 Ton Heat Pump System – R-454B","description":"\u003ch4 data-start=\"213\" data-end=\"300\"\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\u003eUHP1836AH1836-O\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003ch2 data-end=\"738\" data-start=\"675\" data-section-id=\"1o8etgk\"\u003eEfficient Whole-Home Comfort. Built for Powerful Year-Round Performance.\u003c\/h2\u003e\n\u003cp\u003eIf your current HVAC system struggles to keep your home comfortable, creates uneven temperatures, or drives up monthly energy bills, the MRCOOL® Universal® Series 36K BTU 3 Ton Heat Pump System offers a smarter, more efficient solution.\u003c\/p\u003e\n\u003cp\u003eDesigned for dependable year-round heating and cooling, this complete central ducted system delivers consistent comfort throughout your home while helping reduce energy consumption. Whether you're replacing an aging HVAC system, upgrading your home's efficiency, or completing a new construction project, the Universal® Series provides the performance, reliability, and flexibility modern homeowners expect.\u003c\/p\u003e\n\u003cp\u003eAdvanced DC inverter technology continuously adjusts output to match real-time heating and cooling demands, helping maintain stable indoor temperatures while reducing energy waste. Unlike traditional systems that frequently cycle on and off, this intelligent operation improves efficiency, enhances comfort, and promotes quieter day-to-day performance.\u003c\/p\u003e\n\u003cp\u003eThe multi-position air handler offers installation flexibility for a variety of home layouts, while optional heat kits provide supplemental or emergency heating when additional cold-weather support is needed. Combined with environmentally friendly R-454B refrigerant and high-efficiency performance, this system is built to deliver long-term comfort and value.\u003c\/p\u003e\n\u003cp\u003eBacked by a 10-Year Limited Parts Warranty and 2-Year Limited Labor Warranty, the MRCOOL® Universal® Series 36K Heat Pump System is a dependable investment in your home's comfort, efficiency, and peace of mind.\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy You’ll Love It\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2065\" data-end=\"2092\"\u003e✅ Up to 18 SEER2 efficiency\u003c\/p\u003e\n\u003cp data-start=\"2094\" data-end=\"2132\"\u003e✅ Powerful 36,000 BTU cooling capacity\u003c\/p\u003e\n\u003cp data-start=\"2134\" data-end=\"2163\"\u003e✅ 37,000 BTU heating capacity\u003c\/p\u003e\n\u003cp data-start=\"2165\" data-end=\"2206\"\u003e✅ Lower monthly heating and cooling costs\u003c\/p\u003e\n\u003cp data-start=\"2208\" data-end=\"2241\"\u003e✅ Advanced DC inverter technology\u003c\/p\u003e\n\u003cp data-start=\"2243\" data-end=\"2274\"\u003e✅ Consistent whole-home comfort\u003c\/p\u003e\n\u003cp data-start=\"2276\" data-end=\"2314\"\u003e✅ Flexible installation configurations\u003c\/p\u003e\n\u003cp data-start=\"2316\" data-end=\"2358\"\u003e✅ Optional electric heat kit compatibility\u003c\/p\u003e\n\u003cp data-start=\"2360\" data-end=\"2405\"\u003e✅ Environmentally friendly R-454B refrigerant\u003c\/p\u003e\n\u003cp data-start=\"2407\" data-end=\"2455\"\u003e✅ Backed by industry-leading warranty protection\u003c\/p\u003e\n\u003ch2 data-section-id=\"e8c5a5\" data-start=\"1766\" data-end=\"1776\"\u003eBest For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1nq354p\" data-start=\"2476\" data-end=\"2527\"\u003eHomeowners replacing an older central HVAC system\u003c\/li\u003e\n\u003cli data-section-id=\"kmeg53\" data-start=\"2528\" data-end=\"2560\"\u003eHomes around 1,400–1,700 sq ft\u003c\/li\u003e\n\u003cli data-section-id=\"17t5w13\" data-start=\"2561\" data-end=\"2602\"\u003eReducing high heating and cooling costs\u003c\/li\u003e\n\u003cli data-section-id=\"y0na7f\" data-start=\"2603\" data-end=\"2647\"\u003eNew builds, renovations, and HVAC upgrades\u003c\/li\u003e\n\u003cli data-section-id=\"u74i0k\" data-start=\"2648\" data-end=\"2695\"\u003eHomeowners wanting modern inverter efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"tpzj5x\" data-start=\"2696\" data-end=\"2736\"\u003eReliable year-round whole-home comfort\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"e8c5a5\" data-start=\"1766\" data-end=\"1776\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1gvlp5b\" data-start=\"2764\" data-end=\"2818\"\u003eMRCOOL® Universal® Series 36K BTU Inverter Condenser\u003c\/li\u003e\n\u003cli data-section-id=\"1s9addo\" data-start=\"2819\" data-end=\"2881\"\u003eMRCOOL® Universal® Series 36K BTU Multi-Position Air Handler\u003c\/li\u003e\n\u003cli data-section-id=\"14c9pjj\" data-start=\"2882\" data-end=\"2917\"\u003eFactory-installed evaporator coil\u003c\/li\u003e\n\u003cli data-section-id=\"kp8rwx\" data-start=\"2918\" data-end=\"2952\"\u003eElectronic Expansion Valve (EXV)\u003c\/li\u003e\n\u003cli data-section-id=\"ka4ejn\" data-start=\"2953\" data-end=\"2989\"\u003eInstallation and operation manuals\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-end=\"1777\" data-start=\"1747\"\u003eSpecifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Type\u003c\/td\u003e\n\u003ctd\u003eCentral Ducted Heat Pump System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eUniversal® R-454B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Capacity\u003c\/td\u003e\n\u003ctd\u003e36,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Size\u003c\/td\u003e\n\u003ctd\u003e3 Ton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Capacity\u003c\/td\u003e\n\u003ctd\u003e36,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Capacity\u003c\/td\u003e\n\u003ctd\u003e37,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2\u003c\/td\u003e\n\u003ctd\u003eUp to 18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEER2\u003c\/td\u003e\n\u003ctd\u003eUp to 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2-4\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2-5\u003c\/td\u003e\n\u003ctd\u003e8.2\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\u003eElectrical Requirement\u003c\/td\u003e\n\u003ctd\u003e208\/230V, 1 Phase, 60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompressor Type\u003c\/td\u003e\n\u003ctd\u003eDC Inverter Twin-Rotary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Configuration\u003c\/td\u003e\n\u003ctd\u003eUpflow, Downflow \u0026amp; Horizontal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Line Set Length\u003c\/td\u003e\n\u003ctd\u003e246 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid Line Size\u003c\/td\u003e\n\u003ctd\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuction Line Size\u003c\/td\u003e\n\u003ctd\u003e3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Kit Compatible\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Heat Kits\u003c\/td\u003e\n\u003ctd\u003e5kW, 8kW, 10kW, 15kW, 20kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e10-Year Parts \/ 2-Year Labor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-start=\"168\" data-end=\"242\"\u003eRoom Size \u0026amp; BTU Guide \u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSystem Size\u003c\/th\u003e\n\u003cth\u003eRecommended Coverage*\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e24,000 BTU \/ 2 Ton\u003c\/td\u003e\n\u003ctd\u003e1,000–1,200 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30,000 BTU \/ 2.5 Ton\u003c\/td\u003e\n\u003ctd\u003e1,200–1,400 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e36,000 BTU \/ 3 Ton\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1,400–1,700 sq ft\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e48,000 BTU \/ 4 Ton\u003c\/td\u003e\n\u003ctd\u003e1,700–2,200 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e60,000 BTU \/ 5 Ton\u003c\/td\u003e\n\u003ctd\u003e2,200–2,800 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"1191\" data-end=\"1405\"\u003eActual sizing depends on insulation, ceiling height, climate, ductwork condition, sun exposure, windows, and overall home layout.\u003c\/p\u003e\n\u003ch5\u003eInstallation\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-end=\"4262\" data-start=\"4202\" data-section-id=\"hklmzz\"\u003eSuitable for residential central ducted HVAC applications.\u003c\/li\u003e\n\u003cli data-end=\"4335\" data-start=\"4263\" data-section-id=\"11l1rrb\"\u003eSupports upflow, downflow, and horizontal installation configurations.\u003c\/li\u003e\n\u003cli data-end=\"4413\" data-start=\"4336\" data-section-id=\"1wxp0dh\"\u003eCompatible with MRCOOL® NO-VAC® Quick Connect® Line Sets (sold separately).\u003c\/li\u003e\n\u003cli data-end=\"4484\" data-start=\"4414\" data-section-id=\"17b4u65\"\u003eOptional heat kits available for supplemental and emergency heating.\u003c\/li\u003e\n\u003cli data-end=\"4525\" data-start=\"4485\" data-section-id=\"18mrvwk\"\u003eProfessional installation recommended.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation \u0026amp; Manuals \u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"file:\/\/\/C:\/Users\/44796\/OneDrive\/Desktop\/COOL%20HEAT%20DIRECT\/PRODUCTS\/Universal%20R-454B\/Brochure.pdf\"\u003eProduct Brochure\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"file:\/\/\/C:\/Users\/44796\/OneDrive\/Desktop\/COOL%20HEAT%20DIRECT\/PRODUCTS\/Universal%20R-454B\/Install%20Manual.pdf\"\u003eInstallation Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"file:\/\/\/C:\/Users\/44796\/OneDrive\/Desktop\/COOL%20HEAT%20DIRECT\/PRODUCTS\/Universal%20R-454B\/Service%20Manual.pdf\"\u003eService Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"file:\/\/\/C:\/Users\/44796\/OneDrive\/Desktop\/COOL%20HEAT%20DIRECT\/PRODUCTS\/Universal%20R-454B\/Warranty.pdf\"\u003eWarranty Document\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"4160\" data-start=\"4138\" data-section-id=\"1g738f2\"\u003eWarranty Information\u003c\/h2\u003e\n\u003cp data-end=\"4622\" data-start=\"4591\"\u003eEnjoy added peace of mind with:\u003c\/p\u003e\n\u003cul data-end=\"4688\" data-start=\"4624\"\u003e\n\u003cli data-end=\"4656\" data-start=\"4624\" data-section-id=\"1cdw85r\"\u003e10-Year Limited Parts Warranty\u003c\/li\u003e\n\u003cli data-end=\"4688\" data-start=\"4657\" data-section-id=\"17ng7qi\"\u003e2-Year Limited Labor Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"4741\" data-start=\"4690\"\u003eWarranty registration and manufacturer terms apply.\u003c\/p\u003e\n\u003ch2 data-end=\"4414\" data-start=\"4394\" data-section-id=\"vraprf\"\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cul data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"4709\" data-start=\"4416\"\u003e\n\u003cli data-end=\"4493\" data-start=\"4416\" data-section-id=\"83q9qn\"\u003e\n\u003cp data-start=\"5280\" data-end=\"5447\"\u003eFree shipping available.\u003cbr data-start=\"5308\" data-end=\"5311\"\u003eOrders ship from U.S. warehouse locations. Delivery times may vary by product availability, destination, and freight carrier scheduling.\u003c\/p\u003e\n\u003cp data-start=\"5449\" data-end=\"5560\"\u003eReturns must follow Cool Heat Direct’s return policy and the product must meet return eligibility requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MRCOOL","offers":[{"title":"Default Title","offer_id":57697702543692,"sku":"UHP1836AH1836-O","price":4472.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/2525\/0380\/files\/ChatGPT_Image_Jun_3_2026_11_56_18_AM.png?v=1780484319"}],"url":"https:\/\/www.coolheatdirect.com\/collections\/36k-btu-systems.oembed","provider":"Cool Heat Direct","version":"1.0","type":"link"}