{"product_id":"mrcool-diy-5th-gen-3-zone-30-000-btu-ductless-mini-split-air-conditioner-heat-pump-6k-12k-12k-diy3-b-27hp-diy3-b-27hp061212","title":"MRCOOL DIY 5th Gen 3-Zone 30,000 BTU Ductless Mini Split Air Conditioner \u0026 Heat Pump (6K+12K+12K), DIY3-B-27HP, DIY3-B-27HP061212","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 • Compact Plus Large-Room Wall Mount Zoning • 4-Zone Capable Condenser\u003c\/p\u003e\n\u003ch2\u003eMRCOOL® DIY® 5th Gen 3-Zone Wall Mount Mini Split (6K+12K+12K)\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe \u003cstrong\u003eMRCOOL® DIY® 5th Generation 30,000 BTU 3-Zone Wall Mount Mini Split\u003c\/strong\u003e pairs a 4-zone capable 27K BTU condenser with one 6K and two matched 12K wall-mount air handlers. A small room plus two evenly sized larger rooms covers a wide range of layouts. All three zones share the same 1\/4\" × 3\/8\" line set size, which keeps ordering and installation simple. Wall-mount handlers install quickly with no ceiling work required.\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\u003eCompact Plus Large-Room Zoning:\u003c\/strong\u003e A 6K handler for a small room, plus two matched 12K handlers at up to 550 sq. ft. each.\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\u003eWall-Mount Simplicity:\u003c\/strong\u003e No ceiling joist work or cassette framing — handlers mount directly to an interior wall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRight-Sized Condenser:\u003c\/strong\u003e The 27K unit matches the connected load closely, keeping the system compact and efficient.\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\u003eFollow Me® Technology:\u003c\/strong\u003e The remote senses ambient temperature at its location and adjusts airflow for more accurate comfort.\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-MULTI4-27HP230D-O — 27K BTU Multi-Zone Condenser, 230V (4-zone capable)\u003c\/li\u003e\n\u003cli\u003e1 × DIY-06-HP-WMAH-230D25-O — 6K BTU Wall Mount Air Handler, 230V\u003c\/li\u003e\n\u003cli\u003e2 × DIY-12-HP-WMAH-230D25-O — 12K BTU Wall Mount Air Handler, 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-MULTI4-27HP230D-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\u003e9.5 \/ 7.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCooling \/ Heating Capacity\u003c\/th\u003e\n\u003ctd\u003e26,000 BTU \/ 26,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTonnage\u003c\/th\u003e\n\u003ctd\u003e2.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eZone Capacity\u003c\/th\u003e\n\u003ctd\u003e4 (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\u003e25A \/ 23A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRefrigerant\u003c\/th\u003e\n\u003ctd\u003eR-454B, 84.66 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\u003e61 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\u003e140.21 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\u003eCoverage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZone 1\u003c\/td\u003e\n\u003ctd\u003eDIY-06-HP-WMAH-230D25-O\u003c\/td\u003e\n\u003ctd\u003eUp to 200 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZone 2\u003c\/td\u003e\n\u003ctd\u003eDIY-12-HP-WMAH-230D25-O\u003c\/td\u003e\n\u003ctd\u003eUp to 550 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZone 3\u003c\/td\u003e\n\u003ctd\u003eDIY-12-HP-WMAH-230D25-O\u003c\/td\u003e\n\u003ctd\u003eUp to 550 sq. ft.\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. Each handler includes a wireless remote with Follow Me® sensing, reusable filtration, and Auto Cool and Fan Only modes. Voltage 208\/230, Phase 1, Cycle 60.\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\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":53630920786285,"sku":"DIY3-B-27HP061212-25-25-25","price":5162.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 25ft \/ 35ft","offer_id":53630920819053,"sku":"DIY3-B-27HP061212-25-25-35","price":5255.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 25ft \/ 50ft","offer_id":53630920851821,"sku":"DIY3-B-27HP061212-25-25-50","price":5340.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 35ft \/ 25ft","offer_id":53630920884589,"sku":"DIY3-B-27HP061212-25-35-25","price":5255.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 35ft \/ 35ft","offer_id":53630920917357,"sku":"DIY3-B-27HP061212-25-35-35","price":5348.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 35ft \/ 50ft","offer_id":53630920950125,"sku":"DIY3-B-27HP061212-25-35-50","price":5433.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 50ft \/ 25ft","offer_id":53630920982893,"sku":"DIY3-B-27HP061212-25-50-25","price":5340.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 50ft \/ 35ft","offer_id":53630921015661,"sku":"DIY3-B-27HP061212-25-50-35","price":5433.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 50ft \/ 50ft","offer_id":53630921048429,"sku":"DIY3-B-27HP061212-25-50-50","price":5518.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 25ft \/ 25ft","offer_id":53630921081197,"sku":"DIY3-B-27HP061212-35-25-25","price":5255.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 25ft \/ 35ft","offer_id":53630921113965,"sku":"DIY3-B-27HP061212-35-25-35","price":5348.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 25ft \/ 50ft","offer_id":53630921146733,"sku":"DIY3-B-27HP061212-35-25-50","price":5433.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 35ft \/ 25ft","offer_id":53630921179501,"sku":"DIY3-B-27HP061212-35-35-25","price":5348.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 35ft \/ 35ft","offer_id":53630921212269,"sku":"DIY3-B-27HP061212-35-35-35","price":5441.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 35ft \/ 50ft","offer_id":53630921245037,"sku":"DIY3-B-27HP061212-35-35-50","price":5526.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 50ft \/ 25ft","offer_id":53630921277805,"sku":"DIY3-B-27HP061212-35-50-25","price":5433.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 50ft \/ 35ft","offer_id":53630921310573,"sku":"DIY3-B-27HP061212-35-50-35","price":5526.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 50ft \/ 50ft","offer_id":53630921343341,"sku":"DIY3-B-27HP061212-35-50-50","price":5611.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 25ft \/ 25ft","offer_id":53630921376109,"sku":"DIY3-B-27HP061212-50-25-25","price":5340.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 25ft \/ 35ft","offer_id":53630921408877,"sku":"DIY3-B-27HP061212-50-25-35","price":5433.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 25ft \/ 50ft","offer_id":53630921441645,"sku":"DIY3-B-27HP061212-50-25-50","price":5518.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 35ft \/ 25ft","offer_id":53630921474413,"sku":"DIY3-B-27HP061212-50-35-25","price":5433.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 35ft \/ 35ft","offer_id":53630921507181,"sku":"DIY3-B-27HP061212-50-35-35","price":5526.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 35ft \/ 50ft","offer_id":53630921539949,"sku":"DIY3-B-27HP061212-50-35-50","price":5611.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 50ft \/ 25ft","offer_id":53630921572717,"sku":"DIY3-B-27HP061212-50-50-25","price":5518.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 50ft \/ 35ft","offer_id":53630921605485,"sku":"DIY3-B-27HP061212-50-50-35","price":5611.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 50ft \/ 50ft","offer_id":53630921638253,"sku":"DIY3-B-27HP061212-50-50-50","price":5696.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/6996\/6445\/files\/MRCOOL_DIY_5th_Gen_3-Zone_30_000_BTU_Ductless_Mini_Split_Air_Conditioner_Heat_Pump_6K_12K_12K_DIY3-B-27HP_DIY3-B-27HP061212_Wall_Mount.png?v=1785549973","url":"https:\/\/ironlinetools.com\/products\/mrcool-diy-5th-gen-3-zone-30-000-btu-ductless-mini-split-air-conditioner-heat-pump-6k-12k-12k-diy3-b-27hp-diy3-b-27hp061212","provider":"Iron Line Tools","version":"1.0","type":"link"}