{"product_id":"mrcool-diy-5th-gen-mini-split-4-zone-36-000-btu-mini-split-condenser-230v-with-12k-12k-9k-9k-wall-mount-air-handler-diy5-4z-36hp-12k12k9k9k","title":"MRCOOL DIY 5th Gen Mini Split - 4-Zone 36,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 12K + 12K + 9K + 9K Wall Mount Air Handlers - DIY5-4Z-36HP-12K12K9K9K","description":"\u003ch2\u003eMRCOOL DIY 5th Gen Mini Split - 4-Zone 36,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 12K + 12K + 9K + 9K Wall Mount Air Handlers - DIY5-4Z-36HP-12K12K9K9K\u003c\/h2\u003e\n\u003cp\u003eTake control of your home’s comfort with the MRCOOL 5th Gen DIY Multi-Zone Mini Split System — the ultimate solution for efficient, customizable, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etrue DIY-friendly\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eheating and cooling.\u003c\/p\u003e\n\u003cp\u003eThis powerful\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e36K BTU 4-Zone\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystem includes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etwo\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12K\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eand\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003etwo 9K\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003ewall mounted air handlers.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomize mini-split system:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echoose the perfect line set length for each zone just above the “Add to Cart” button.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Efficient Cooling \u0026amp; Heating:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eEnjoy up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e23\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e9.9 HSPF2-4\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003efor energy-efficient year-round comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY-Friendly QuickConnect  Installation:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eNo vacuuming or professional tools needed — pre-charged line sets make setup fast and simple.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Voice \u0026amp; App Control:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eFull control via SmartHVAC app, Alexa, Google Assistant, or included wireless remote.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEco-Conscious Refrigerant:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUses R-454B refrigerant with a low environmental impact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry-Leading Warranty:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eIncludes 5-year parts, 7-year compressor, and lifetime replacement with MRCOOL Care registration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"30\" data-end=\"223\"\u003e\n\u003cp data-start=\"32\" data-end=\"223\"\u003e\u003cstrong data-start=\"32\" data-end=\"66\"\u003eVersatile Multi-Room Coverage:\u003c\/strong\u003e The 36,000 BTU system with dual 12K and dual 9K wall units is ideal for homes with both medium and smaller rooms, balancing comfort across diverse spaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"224\" data-end=\"363\"\u003e\n\u003cp data-start=\"226\" data-end=\"363\"\u003e\u003cstrong data-start=\"226\" data-end=\"247\"\u003eEfficient Zoning:\u003c\/strong\u003e Each air handler operates independently, giving you precise control over temperature and energy use in each zone.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"364\" data-end=\"523\"\u003e\n\u003cp data-start=\"366\" data-end=\"523\"\u003e\u003cstrong data-start=\"366\" data-end=\"393\"\u003eDIY Installation Ready:\u003c\/strong\u003e Designed for homeowners, the pre-charged Quick Connect lines eliminate the need for special tools or professional installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"524\" data-end=\"672\"\u003e\n\u003cp data-start=\"526\" data-end=\"672\"\u003e\u003cstrong data-start=\"526\" data-end=\"564\"\u003eEnergy-Saving Inverter Technology:\u003c\/strong\u003e The variable-speed compressor maintains consistent comfort while minimizing energy consumption and noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"673\" data-end=\"824\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"675\" data-end=\"824\" data-is-last-node=\"\"\u003e\u003cstrong data-start=\"675\" data-end=\"701\"\u003eSmart Comfort Control:\u003c\/strong\u003e Wi-Fi capability lets you manage all four zones using the MRCOOL app, Alexa, or Google Assistant for ultimate convenience.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"145\" data-end=\"355\"\u003e\u003cstrong data-start=\"145\" data-end=\"195\"\u003eQ: What is the MRCOOL DIY5-4Z-36HP-12K12K9K9K?\u003c\/strong\u003e\u003cbr data-start=\"195\" data-end=\"198\"\u003eA: It’s a 4-zone, 36,000 BTU ductless mini split system from MRCOOL’s 5th Generation DIY Series, offering efficient heating and cooling for multiple rooms.\u003c\/p\u003e\n\u003cp data-start=\"357\" data-end=\"530\"\u003e\u003cstrong data-start=\"357\" data-end=\"403\"\u003eQ: What sizes are the indoor air handlers?\u003c\/strong\u003e\u003cbr data-start=\"403\" data-end=\"406\"\u003eA: The system includes two 12,000 BTU and two 9,000 BTU wall-mounted air handlers, ideal for small to medium-sized spaces.\u003c\/p\u003e\n\u003cp data-start=\"532\" data-end=\"699\"\u003e\u003cstrong data-start=\"532\" data-end=\"568\"\u003eQ: Is installation DIY-friendly?\u003c\/strong\u003e\u003cbr data-start=\"568\" data-end=\"571\"\u003eA: Yes. The pre-charged Quick Connect lines allow easy homeowner installation with no special tools or HVAC experience needed.\u003c\/p\u003e\n\u003cp data-start=\"701\" data-end=\"845\"\u003e\u003cstrong data-start=\"701\" data-end=\"730\"\u003eQ: Does it heat and cool?\u003c\/strong\u003e\u003cbr data-start=\"730\" data-end=\"733\"\u003eA: Absolutely. It functions as both an air conditioner and a heat pump, providing reliable comfort year-round.\u003c\/p\u003e\n\u003cp data-start=\"847\" data-end=\"1031\"\u003e\u003cstrong data-start=\"847\" data-end=\"889\"\u003eQ: Can I control each zone separately?\u003c\/strong\u003e\u003cbr data-start=\"889\" data-end=\"892\"\u003eA: Yes. Each zone has independent temperature settings with Wi-Fi smart control via the MRCOOL SmartHVAC app, Alexa, or Google Assistant.\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"103\" data-end=\"244\"\u003e\n\u003cp data-start=\"106\" data-end=\"244\"\u003e\u003cstrong data-start=\"106\" data-end=\"131\"\u003eClean filters monthly\u003c\/strong\u003e — Wash each indoor air handler’s filter with lukewarm water, dry completely, and reinstall for smooth airflow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"245\" data-end=\"328\"\u003e\n\u003cp data-start=\"248\" data-end=\"328\"\u003e\u003cstrong data-start=\"248\" data-end=\"279\"\u003eDust indoor units regularly\u003c\/strong\u003e to prevent buildup that can reduce efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"329\" data-end=\"423\"\u003e\n\u003cp data-start=\"332\" data-end=\"423\"\u003e\u003cstrong data-start=\"332\" data-end=\"367\"\u003eInspect outdoor condenser coils\u003c\/strong\u003e every 3–6 months and remove dirt or debris carefully.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"424\" data-end=\"509\"\u003e\n\u003cp data-start=\"427\" data-end=\"509\"\u003e\u003cstrong data-start=\"427\" data-end=\"462\"\u003eMaintain 24 inches of clearance\u003c\/strong\u003e around the condenser for proper ventilation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"510\" data-end=\"602\"\u003e\n\u003cp data-start=\"513\" data-end=\"602\"\u003e\u003cstrong data-start=\"513\" data-end=\"545\"\u003eFlush condensate drain lines\u003c\/strong\u003e with a mild vinegar solution to prevent mold or clogs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"603\" data-end=\"683\"\u003e\n\u003cp data-start=\"606\" data-end=\"683\"\u003e\u003cstrong data-start=\"606\" data-end=\"635\"\u003eCheck line set insulation\u003c\/strong\u003e annually to ensure it’s intact and undamaged.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"684\" data-end=\"774\"\u003e\n\u003cp data-start=\"687\" data-end=\"774\"\u003e\u003cstrong data-start=\"687\" data-end=\"727\"\u003eUse “Fan Only” or self-cleaning mode\u003c\/strong\u003e after cooling to dry coils and avoid mildew.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"775\" data-end=\"870\"\u003e\n\u003cp data-start=\"778\" data-end=\"870\"\u003e\u003cstrong data-start=\"778\" data-end=\"808\"\u003eMonitor system performance\u003c\/strong\u003e via the MRCOOL SmartHVAC app for easy maintenance tracking.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"871\" data-end=\"972\"\u003e\n\u003cp data-start=\"874\" data-end=\"972\"\u003e\u003cstrong data-start=\"874\" data-end=\"904\"\u003eDistribute zone use evenly\u003c\/strong\u003e to prevent overworking the 12K units and ensure balanced comfort.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"973\" data-end=\"1077\"\u003e\n\u003cp data-start=\"977\" data-end=\"1077\"\u003e\u003cstrong data-start=\"977\" data-end=\"1019\"\u003eSchedule annual professional servicing\u003c\/strong\u003e to inspect refrigerant levels, wiring, and connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MRCOOL","offers":[{"title":"Default Title","offer_id":45477246861503,"sku":"DIY5-4Z-36HP-12K12K9K9K","price":3738.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/MRCOOL_5th_Gen_DIY_-_4-Zone_-_18K-27K-36K_-_Home_Outlet_Direct_c6b00ad6-0c11-45e7-9674-eb22aca8f04e.webp?v=1775713155","url":"https:\/\/www.mybackyardzone.com\/products\/mrcool-diy-5th-gen-mini-split-4-zone-36-000-btu-mini-split-condenser-230v-with-12k-12k-9k-9k-wall-mount-air-handler-diy5-4z-36hp-12k12k9k9k","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}