{"product_id":"mrcool-diy-5th-gen-3-zone-30-000-btu-ceiling-cassette-ductless-mini-split-air-conditioner-heat-pump-9k-9k-12k-diy3-bc-36hp-diy3-bc-36hp090912","title":"MRCOOL DIY 5th Gen 3-Zone 30,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner \u0026 Heat Pump (9K+9K+12K), DIY3-BC-36HP, DIY3-BC-36HP090912","description":"\u003cstyle\u003e\n.iron-theme{--black:#0b0b0b;--gray:#6b7280;--red:#c1121f;--red2:#e11d2e;--border:#e5e7eb;--soft:#f8fafc;font-family:Arial,Helvetica,sans-serif;color:var(--black);max-width:1100px;margin:0 auto;line-height:1.7;}\n.shell{border:1px solid var(--border);border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 10px 28px rgba(0,0,0,.08);}\n.top{padding:24px;} .kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--gray);margin:0 0 8px;}\n.sub{margin:12px 0 0;font-size:15px;max-width:100ch;}\n.stripe{height:8px;background:linear-gradient(90deg,var(--red) 0%,var(--red) 70%,var(--red2) 100%);}\n.content{padding:24px;background:var(--soft);}\n.card{border:1px solid var(--border);border-radius:16px;background:#fff;padding:20px;margin:18px 0;box-shadow:0 8px 22px rgba(0,0,0,.06);}\nh2{margin:0 0 12px;font-size:19px;font-weight:900;text-transform:uppercase;display:flex;align-items:center;gap:10px;}\nh2:before{content:\"\";width:10px;height:10px;background:var(--red);border-radius:2px;}\nul{margin:0;padding-left:20px;} ul li{margin:8px 0;}\ntable{width:100%;border-collapse:collapse;font-size:14px;}\nth, td{border:1px solid var(--border);padding:10px;text-align:left;}\nth{background:#f3f4f6;font-size:12px;text-transform:uppercase;font-weight:900;}\n.callout{border:1px dashed rgba(193,18,31,.5);background:rgba(193,18,31,.06);border-radius:12px;padding:14px;font-size:14px;margin-top:12px;}\n\u003c\/style\u003e\n\u003csection class=\"iron-theme\"\u003e\n\u003cdiv class=\"shell\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cp class=\"kicker\"\u003e30,000 BTU Connected Capacity • Near-Matched Zoning • 5-Zone Capable Condenser\u003c\/p\u003e\n\u003ch2\u003eMRCOOL® DIY® 5th Gen 3-Zone Ceiling Cassette Mini Split (9K+9K+12K)\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe \u003cstrong\u003eMRCOOL® DIY® 5th Generation 30,000 BTU 3-Zone Ceiling Cassette Mini Split\u003c\/strong\u003e pairs a 5-zone capable 36K BTU condenser with two 9K and one 12K OuttaSight® one-way ceiling cassettes. Two evenly matched bedrooms plus one larger main room is the classic use case here, covering roughly 1,350 sq. ft. All three zones share the same 1\/4\" × 3\/8\" line set size, which keeps ordering and installation simple. Each cassette mounts flush between 16\" ceiling joists, including pre-manufactured I-joists, so no wall space is surrendered to equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stripe\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eSystem Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNear-Matched Zoning:\u003c\/strong\u003e Two 9K cassettes at 400 sq. ft. each, with a 12K unit handling up to 550 sq. ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniform Line Set Sizing:\u003c\/strong\u003e All three zones use the same 1\/4\" × 3\/8\" line set — no risk of mismatching fittings during install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlush Ceiling Integration:\u003c\/strong\u003e Low-profile cassettes fit between 16\" joists for a clean architectural finish — no ductwork, no wall penetrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpansion Headroom:\u003c\/strong\u003e The 36K condenser supports up to five zones, leaving two ports open for future handlers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue DIY Installation:\u003c\/strong\u003e Patented pre-charged Quick Connect® line sets eliminate vacuuming, charging, and professional trade labor. Every line set in this kit includes the DIYPro® cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Control:\u003c\/strong\u003e Wireless remotes, the SmartHVAC app for iOS and Android, plus Amazon Alexa and Google Assistant support out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × DIY-MULTI5-36HP230D-O — 36K BTU Multi-Zone Condenser, 230V (5-zone capable)\u003c\/li\u003e\n\u003cli\u003e2 × DIYCASSETTE09HP-230D25-O — 9K BTU OuttaSight® One-Way Ceiling Cassette, 230V\u003c\/li\u003e\n\u003cli\u003e1 × DIYCASSETTE12HP-230D25-O — 12K BTU OuttaSight® One-Way Ceiling Cassette, 230V\u003c\/li\u003e\n\u003cli\u003e3 × Pre-charged 1\/4\" × 3\/8\" Quick Connect® line sets with DIYPro® cable — lengths selected above\u003c\/li\u003e\n\u003cli\u003eWireless remotes, mounting hardware, and installation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eCondenser Specifications — DIY-MULTI5-36HP230D-O\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSEER2 \/ EER2\u003c\/th\u003e\n\u003ctd\u003e23 \/ 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHSPF2-4 \/ HSPF2-5\u003c\/th\u003e\n\u003ctd\u003e9.9 \/ 7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCooling \/ Heating Capacity\u003c\/th\u003e\n\u003ctd\u003e34,000 BTU \/ 36,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTonnage\u003c\/th\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eZone Capacity\u003c\/th\u003e\n\u003ctd\u003e5 (3 used in this kit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical\u003c\/th\u003e\n\u003ctd\u003e208–230V, 1 Phase, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Fuse Breaker \/ MCA\u003c\/th\u003e\n\u003ctd\u003e35A \/ 30.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRefrigerant\u003c\/th\u003e\n\u003ctd\u003eR-454B, 104.75 oz (pre-charged)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompressor \/ Inverter\u003c\/th\u003e\n\u003ctd\u003eRotary \/ DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSound Level\u003c\/th\u003e\n\u003ctd\u003e64 dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Total Line Set Length\u003c\/th\u003e\n\u003ctd\u003e221.4 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Dimensions (D×H×W)\u003c\/th\u003e\n\u003ctd\u003e16.14\" × 31.89\" × 37.24\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003e169.24 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eZone Configuration\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eZone\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eCapacity \u0026amp; Coverage\u003c\/th\u003e\n\u003cth\u003eCFM\u003c\/th\u003e\n\u003cth\u003eSound\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZone 1\u003c\/td\u003e\n\u003ctd\u003eDIYCASSETTE09HP-230D25-O\u003c\/td\u003e\n\u003ctd\u003e9,000 BTU — up to 400 sq. ft.\u003c\/td\u003e\n\u003ctd\u003e341 \/ 294 \/ 259 \/ 235 \/ 235\u003c\/td\u003e\n\u003ctd\u003e36 dBA (24 low \/ 38 high)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZone 2\u003c\/td\u003e\n\u003ctd\u003eDIYCASSETTE09HP-230D25-O\u003c\/td\u003e\n\u003ctd\u003e9,000 BTU — up to 400 sq. ft.\u003c\/td\u003e\n\u003ctd\u003e341 \/ 294 \/ 259 \/ 235 \/ 235\u003c\/td\u003e\n\u003ctd\u003e36 dBA (24 low \/ 38 high)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZone 3\u003c\/td\u003e\n\u003ctd\u003eDIYCASSETTE12HP-230D25-O\u003c\/td\u003e\n\u003ctd\u003e12,000 BTU — up to 550 sq. ft.\u003c\/td\u003e\n\u003ctd\u003e353 \/ 312 \/ 283 \/ 247 \/ 177\u003c\/td\u003e\n\u003ctd\u003e37 dBA (24 low \/ 41 high)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 14px; margin-top: 12px;\"\u003eAll zones use 1\/4\" liquid and 3\/8\" suction lines. Cassettes measure 50.31\"W × 13.19\"D × 8.98\"H and weigh 45 lbs each. Air flow is 1-Way with Swing Technology and reusable filtration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eLine Set Options\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eModel (all zones)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25 ft\u003c\/td\u003e\n\u003ctd\u003eDIY25-1438C-O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35 ft\u003c\/td\u003e\n\u003ctd\u003eDIY35-1438C-O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50 ft\u003c\/td\u003e\n\u003ctd\u003eDIY50-1438C-O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 14px; margin-top: 12px;\"\u003eAll line sets ship pre-charged with R-454B and include the DIYPro® cable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eEngineering \u0026amp; Warranty\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGold Fin® Corrosion Protection\u003c\/strong\u003e against humidity and coastal salt exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Inverter Drive\u003c\/strong\u003e scales output to match thermal load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR-454B Refrigerant\u003c\/strong\u003e — more efficient and eco-friendly than R-410A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e Intertek listed 5031495, UL Listed, ETL Listed, ENERGY STAR® certified, AHRI certified.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 5-year parts and 7-year compressor coverage, eligible for the MRCOOL® Care Program.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"callout\"\u003e\n\u003cstrong\u003eShipping restrictions:\u003c\/strong\u003e Ceiling cassettes cannot be shipped to Guam, Puerto Rico, or the U.S. Virgin Islands.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eProposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"MRCOOL","offers":[{"title":"25ft \/ 25ft \/ 25ft","offer_id":53618688295277,"sku":"DIY3-BC-36HP090912-25-25-25","price":8011.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 25ft \/ 35ft","offer_id":53618688328045,"sku":"DIY3-BC-36HP090912-25-25-35","price":8104.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 25ft \/ 50ft","offer_id":53618688360813,"sku":"DIY3-BC-36HP090912-25-25-50","price":8189.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 35ft \/ 25ft","offer_id":53618688393581,"sku":"DIY3-BC-36HP090912-25-35-25","price":8104.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 35ft \/ 35ft","offer_id":53618688426349,"sku":"DIY3-BC-36HP090912-25-35-35","price":8197.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 35ft \/ 50ft","offer_id":53618688459117,"sku":"DIY3-BC-36HP090912-25-35-50","price":8282.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 50ft \/ 25ft","offer_id":53618688491885,"sku":"DIY3-BC-36HP090912-25-50-25","price":8189.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 50ft \/ 35ft","offer_id":53618688524653,"sku":"DIY3-BC-36HP090912-25-50-35","price":8282.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 50ft \/ 50ft","offer_id":53618688557421,"sku":"DIY3-BC-36HP090912-25-50-50","price":8367.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 25ft \/ 25ft","offer_id":53618688590189,"sku":"DIY3-BC-36HP090912-35-25-25","price":8104.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 25ft \/ 35ft","offer_id":53618688622957,"sku":"DIY3-BC-36HP090912-35-25-35","price":8197.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 25ft \/ 50ft","offer_id":53618688655725,"sku":"DIY3-BC-36HP090912-35-25-50","price":8282.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 35ft \/ 25ft","offer_id":53618688688493,"sku":"DIY3-BC-36HP090912-35-35-25","price":8197.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 35ft \/ 35ft","offer_id":53618688721261,"sku":"DIY3-BC-36HP090912-35-35-35","price":8290.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 35ft \/ 50ft","offer_id":53618688754029,"sku":"DIY3-BC-36HP090912-35-35-50","price":8375.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 50ft \/ 25ft","offer_id":53618688786797,"sku":"DIY3-BC-36HP090912-35-50-25","price":8282.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 50ft \/ 35ft","offer_id":53618688819565,"sku":"DIY3-BC-36HP090912-35-50-35","price":8375.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 50ft \/ 50ft","offer_id":53618688852333,"sku":"DIY3-BC-36HP090912-35-50-50","price":8460.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 25ft \/ 25ft","offer_id":53618688885101,"sku":"DIY3-BC-36HP090912-50-25-25","price":8189.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 25ft \/ 35ft","offer_id":53618688917869,"sku":"DIY3-BC-36HP090912-50-25-35","price":8282.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 25ft \/ 50ft","offer_id":53618688950637,"sku":"DIY3-BC-36HP090912-50-25-50","price":8367.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 35ft \/ 25ft","offer_id":53618688983405,"sku":"DIY3-BC-36HP090912-50-35-25","price":8282.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 35ft \/ 35ft","offer_id":53618689016173,"sku":"DIY3-BC-36HP090912-50-35-35","price":8375.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 35ft \/ 50ft","offer_id":53618689048941,"sku":"DIY3-BC-36HP090912-50-35-50","price":8460.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 50ft \/ 25ft","offer_id":53618689081709,"sku":"DIY3-BC-36HP090912-50-50-25","price":8367.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 50ft \/ 35ft","offer_id":53618689114477,"sku":"DIY3-BC-36HP090912-50-50-35","price":8460.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 50ft \/ 50ft","offer_id":53618689147245,"sku":"DIY3-BC-36HP090912-50-50-50","price":8545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/6996\/6445\/files\/3zoneceilingcassetewithnobackground_8ce2450c-8651-48d1-9d9d-212b5c47da1a.png?v=1785348005","url":"https:\/\/ironlinetools.com\/products\/mrcool-diy-5th-gen-3-zone-30-000-btu-ceiling-cassette-ductless-mini-split-air-conditioner-heat-pump-9k-9k-12k-diy3-bc-36hp-diy3-bc-36hp090912","provider":"Iron Line Tools","version":"1.0","type":"link"}