{"product_id":"mrcool-diy-5th-gen-3-zone-39-000-btu-ductless-mini-split-air-conditioner-heat-pump-6k-9k-24k-diy3-b-36hp","title":"MRCOOL DIY 5th Gen 3-Zone 39,000 BTU Ductless Mini Split Air Conditioner \u0026 Heat Pump (9K+12K+18K),  - DIY3-B-36HP","description":"\u003ch2\u003eMRCOOL DIY 5th Gen 3-Zone 39,000 BTU Ductless Mini Split Air Conditioner \u0026amp; Heat Pump (9K+12K+18K),  - DIY3-B-36HP\u003c\/h2\u003e\n\u003cp\u003eTake control of your comfort with the \u003cstrong\u003eMRCOOL DIY 5th Gen Multi-Zone Mini Split System\u003c\/strong\u003e - the easiest \u003cmeta charset=\"utf-8\"\u003eand most affordable way to get powerful, energy-saving heating and cooling without hiring a pro.Whether it’s hot summer days or freezing winter nights, the MRCOOL DIY Mini Split keeps your home comfortable and your energy bills low. \u003cstrong\u003eSmart. Simple. Affordable.\u003cbr\u003e \u003c\/strong\u003e\u003cspan data-sheets-root=\"1\"\u003eIf multiple air handlers are used at the same time, their total BTU output will be limited by the condenser’s capacity. For this system, the condenser can provide up to \u003cstrong\u003e36,000 BTU\u003c\/strong\u003e in total.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Rooms, Perfect Comfort:\u003c\/strong\u003e Heat or cool \u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003ethree spaces that are 350 sq. ft., 500 sq. ft. and 750 sq. ft.\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eeach\u003c\/span\u003e with independent temperature control for personalized comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTruly DIY-Friendly\u003c\/strong\u003e: Forget expensive installs - \u003cstrong\u003eno HVAC license or special tools required\u003c\/strong\u003e. If you can use basic hand tools, you can do this.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Hassle Setup:\u003c\/strong\u003e Comes with \u003cstrong\u003epre-charged Quick-Connect line sets\u003c\/strong\u003e, so there’s no messy refrigerant handling or vacuuming. Just connect and enjoy.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear-Round Savings:\u003c\/strong\u003e Boasting up to \u003cstrong\u003e23 SEER2 cooling efficiency\u003c\/strong\u003e and \u003cstrong\u003e9.9 HSPF2-4 heating performance\u003c\/strong\u003e, this system delivers serious energy savings.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Every Season\u003c\/strong\u003e: Stay cozy even in the dead of winter - reliable heating works all the way down to \u003cstrong\u003e-13°F.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul data-start=\"27\" data-end=\"945\"\u003e\n\u003cli data-start=\"27\" data-end=\"192\"\u003e\n\u003cp data-start=\"29\" data-end=\"192\"\u003e\u003cstrong data-start=\"29\" data-end=\"62\"\u003eCustomized Multi‑Zone Comfort\u003c\/strong\u003e – 39,000 BTU heat pump system with three zones (9K + 12K + 18K) delivers tailored cooling and heating for varied living spaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"193\" data-end=\"354\"\u003e\n\u003cp data-start=\"195\" data-end=\"354\"\u003e\u003cstrong data-start=\"195\" data-end=\"224\"\u003eDIY‑Friendly Installation\u003c\/strong\u003e – Designed with intuitive connections and pre‑configured features to streamline setup for experienced DIYers and professionals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"355\" data-end=\"490\"\u003e\n\u003cp data-start=\"357\" data-end=\"490\"\u003e\u003cstrong data-start=\"357\" data-end=\"380\"\u003eInverter Efficiency\u003c\/strong\u003e – Variable‑speed compressor adapts output to demand, boosting energy efficiency and steady comfort control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"491\" data-end=\"598\"\u003e\n\u003cp data-start=\"493\" data-end=\"598\"\u003e\u003cstrong data-start=\"493\" data-end=\"519\"\u003eAll‑Season Performance\u003c\/strong\u003e – Heat pump design ensures reliable heating and cooling throughout the year.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"599\" data-end=\"724\"\u003e\n\u003cp data-start=\"601\" data-end=\"724\"\u003e\u003cstrong data-start=\"601\" data-end=\"631\"\u003eQuiet \u0026amp; Balanced Operation\u003c\/strong\u003e – Engineered for low‑noise performance and even temperature distribution across all zones.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"725\" data-end=\"833\"\u003e\n\u003cp data-start=\"727\" data-end=\"833\"\u003e\u003cstrong data-start=\"727\" data-end=\"751\"\u003eEco‑Conscious Design\u003c\/strong\u003e – Uses modern refrigerant systems that align with current efficiency standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"834\" data-end=\"945\"\u003e\n\u003cp data-start=\"836\" data-end=\"945\"\u003e\u003cstrong data-start=\"836\" data-end=\"853\"\u003eBuilt to Last\u003c\/strong\u003e – Quality components and solid construction support long‑term reliability and satisfaction.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"118\" data-end=\"332\"\u003e\u003cstrong data-start=\"118\" data-end=\"156\"\u003eQ: What is the MRCOOL DIY3‑B‑36HP?\u003c\/strong\u003e\u003cbr data-start=\"156\" data-end=\"159\"\u003eA: A \u003cstrong data-start=\"164\" data-end=\"221\"\u003e39,000 BTU (3.25 ton) 5th Gen DIY ductless mini split\u003c\/strong\u003e heat pump system with \u003cstrong data-start=\"244\" data-end=\"266\"\u003ethree indoor zones\u003c\/strong\u003e (9 K + 12 K + 18 K) for efficient multi‑room cooling and heating.\u003c\/p\u003e\n\u003cp data-start=\"334\" data-end=\"466\"\u003e\u003cstrong data-start=\"334\" data-end=\"370\"\u003eQ: What refrigerant does it use?\u003c\/strong\u003e\u003cbr data-start=\"370\" data-end=\"373\"\u003eA: Uses \u003cstrong data-start=\"381\" data-end=\"403\"\u003eR‑454B refrigerant\u003c\/strong\u003e for lower environmental impact and improved energy efficiency.\u003c\/p\u003e\n\u003cp data-start=\"468\" data-end=\"649\"\u003e\u003cstrong data-start=\"468\" data-end=\"503\"\u003eQ: How efficient is the system?\u003c\/strong\u003e\u003cbr data-start=\"503\" data-end=\"506\"\u003eA: Advanced inverter technology delivers strong SEER‑rated cooling and heating performance with optimized energy use and lower operating costs.\u003c\/p\u003e\n\u003cp data-start=\"651\" data-end=\"865\"\u003e\u003cstrong data-start=\"651\" data-end=\"687\"\u003eQ: Is installation DIY‑friendly?\u003c\/strong\u003e\u003cbr data-start=\"687\" data-end=\"690\"\u003eA: Yes — includes \u003cstrong data-start=\"708\" data-end=\"747\"\u003epre‑charged Quick Connect line sets\u003c\/strong\u003e that eliminate refrigerant handling and reduce the need for extensive HVAC tools, supporting easier DIY installation.\u003c\/p\u003e\n\u003cp data-start=\"867\" data-end=\"1032\"\u003e\u003cstrong data-start=\"867\" data-end=\"909\"\u003eQ: What comfort features are included?\u003c\/strong\u003e\u003cbr data-start=\"909\" data-end=\"912\"\u003eA: Quiet inverter operation and \u003cstrong data-start=\"944\" data-end=\"980\"\u003ezone‑by‑zone temperature control\u003c\/strong\u003e allow personalized comfort in each connected space.\u003c\/p\u003e\n\u003cp data-start=\"1034\" data-end=\"1164\"\u003e\u003cstrong data-start=\"1034\" data-end=\"1080\"\u003eQ: What warranty coverage does it include?\u003c\/strong\u003e\u003cbr data-start=\"1080\" data-end=\"1083\"\u003eA: Typically backed by long‑term compressor and parts warranty for peace of mind.\u003c\/p\u003e\n\u003cp data-start=\"1166\" data-end=\"1337\"\u003e\u003cstrong data-start=\"1166\" data-end=\"1203\"\u003eQ: Who should choose this system?\u003c\/strong\u003e\u003cbr data-start=\"1203\" data-end=\"1206\"\u003eA: Homeowners seeking a \u003cstrong data-start=\"1230\" data-end=\"1278\"\u003ehigh‑efficiency, multi‑zone climate solution\u003c\/strong\u003e with flexible comfort control and simplified installation.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"108\" data-end=\"209\"\u003e\n\u003cp data-start=\"110\" data-end=\"209\"\u003e\u003cstrong data-start=\"110\" data-end=\"150\"\u003eClean\/replace indoor filters monthly\u003c\/strong\u003e in all zones to keep airflow strong and efficiency high.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"210\" data-end=\"295\"\u003e\n\u003cp data-start=\"212\" data-end=\"295\"\u003e\u003cstrong data-start=\"212\" data-end=\"252\"\u003eDeep‑clean indoor coils twice a year\u003c\/strong\u003e to maintain cooling\/heating performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"296\" data-end=\"385\"\u003e\n\u003cp data-start=\"298\" data-end=\"385\"\u003e\u003cstrong data-start=\"298\" data-end=\"345\"\u003eCheck and clear condensate drains regularly\u003c\/strong\u003e to prevent clogs and moisture issues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"386\" data-end=\"491\"\u003e\n\u003cp data-start=\"388\" data-end=\"491\"\u003e\u003cstrong data-start=\"388\" data-end=\"451\"\u003eKeep indoor units and outdoor condenser free of dust\/debris\u003c\/strong\u003e for proper airflow and heat exchange.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"492\" data-end=\"591\"\u003e\n\u003cp data-start=\"494\" data-end=\"591\"\u003e\u003cstrong data-start=\"494\" data-end=\"544\"\u003eInspect outdoor unit fins and fan periodically\u003c\/strong\u003e; gently clean and straighten fins as needed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"592\" data-end=\"677\"\u003e\n\u003cp data-start=\"594\" data-end=\"677\"\u003e\u003cstrong data-start=\"594\" data-end=\"646\"\u003eWatch for unusual noises, weak airflow, or odors\u003c\/strong\u003e and address issues promptly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"678\" data-end=\"794\"\u003e\n\u003cp data-start=\"680\" data-end=\"794\"\u003e\u003cstrong data-start=\"680\" data-end=\"724\"\u003eSchedule annual professional maintenance\u003c\/strong\u003e for refrigerant balance, inverter performance, and electrical checks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MRCOOL","offers":[{"title":"Default Title","offer_id":46826428760201,"sku":"DIY3-B-36HP091218","price":4704.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/2443\/9177\/files\/MRCOOL-3-zone-18-36k-condenser-no-line-set-Premium_Home_Source_e47c3c70-c66c-4660-9f6f-28b8c4d222e7.png?v=1780125570","url":"https:\/\/mobility-ready.com\/products\/mrcool-diy-5th-gen-3-zone-39-000-btu-ductless-mini-split-air-conditioner-heat-pump-6k-9k-24k-diy3-b-36hp","provider":"Supplies for Happy Tails","version":"1.0","type":"link"}