{"product_id":"mrcool-diy-5th-gen-multi-zone-6-zone-55-000-btu-22-seer2-9k-9k-9k-12k-12k-12k-ductless-mini-split-air-conditioner-and-heat-pump-with-ceiling-cassettes","title":"MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (9K + 9K + 9K + 12K + 12K + 12K) Ductless Mini Split Heat Pump \u0026 Air Conditioner with Ceiling Cassette Units","description":"\u003csection class=\"mrcool-6zone-diy\" style=\"margin: 0 auto; max-width: 980px; padding: 24px 16px; line-height: 1.6;\"\u003e\n\u003ch1 style=\"font-size: 2rem; margin: 0 0 8px;\"\u003eMRCOOL DIY 5th Gen 55,000 BTU 6-Zone Ceiling Cassette Mini-Split System | DIY-MULTI6-55HP230D-O\u003c\/h1\u003e\n\u003cp style=\"margin: 0 0 16px;\"\u003eThe \u003cstrong\u003eMRCOOL DIY 5th Generation 55,000 BTU 6-Zone Ceiling Cassette Mini-Split System\u003c\/strong\u003e is the largest-capacity DIY system MRCOOL has ever produced — engineered for \u003cstrong\u003ewhole-home comfort\u003c\/strong\u003e and true \u003cstrong\u003edo-it-yourself installation\u003c\/strong\u003e. Perfect for homeowners who want professional-grade performance without professional labor, this high-efficiency system pairs a \u003cstrong\u003e55K BTU condenser\u003c\/strong\u003e with your choice of \u003cstrong\u003elow-profile ceiling cassette air handlers\u003c\/strong\u003e for quiet, concealed heating and cooling.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 16px;\"\u003eDesigned around MRCOOL’s revolutionary \u003cstrong\u003eQuick-Connect® pre-charged line sets\u003c\/strong\u003e, installation is fast, clean, and safe — no vacuum pump or refrigerant tools required. With a \u003cstrong\u003e21.5 SEER2 rating\u003c\/strong\u003e and \u003cstrong\u003eR-454B refrigerant\u003c\/strong\u003e, this 6-zone system delivers powerful comfort, high efficiency, and eco-friendly performance year-round.\u003c\/p\u003e\n\u003c!-- Features --\u003e\n\u003cdiv style=\"border: 1px solid #eee; border-radius: 12px; padding: 16px; margin: 24px 0;\"\u003e\n\u003ch2 style=\"font-size: 1.15rem; margin: 0 0 10px;\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul style=\"padding-left: 18px; margin: 0;\"\u003e\n\u003cli\u003e✔ Supports up to \u003cstrong\u003esix indoor zones\u003c\/strong\u003e with one 55K BTU condenser.\u003c\/li\u003e\n\u003cli\u003e✔ Compatible with \u003cstrong\u003e6K, 9K, 12K, and 18K ceiling cassette units\u003c\/strong\u003e for flexible room coverage.\u003c\/li\u003e\n\u003cli\u003e✔ \u003cstrong\u003e21.5 SEER2 \/ 10.6 HSPF2-4\u003c\/strong\u003e efficiency rating for reduced energy costs.\u003c\/li\u003e\n\u003cli\u003e✔ \u003cstrong\u003eHeats to −13°F\u003c\/strong\u003e and \u003cstrong\u003ecools to 122°F\u003c\/strong\u003e for dependable year-round performance.\u003c\/li\u003e\n\u003cli\u003e✔ \u003cstrong\u003eFlush-mounted ceiling cassettes\u003c\/strong\u003e blend seamlessly with your interior design.\u003c\/li\u003e\n\u003cli\u003e✔ \u003cstrong\u003eSmart control\u003c\/strong\u003e through the MRCOOL app, Alexa, or Google Assistant.\u003c\/li\u003e\n\u003cli\u003e✔ \u003cstrong\u003eGold Fin® anti-corrosion coating\u003c\/strong\u003e for extended outdoor durability.\u003c\/li\u003e\n\u003cli\u003e✔ \u003cstrong\u003eDIYPro® cable\u003c\/strong\u003e included — simplifies wiring without conduit.\u003c\/li\u003e\n\u003cli\u003e✔ \u003cstrong\u003eEnergy Star, AHRI, and ETL listed\u003c\/strong\u003e for performance and safety verification.\u003c\/li\u003e\n\u003cli\u003e✔ \u003cstrong\u003e5-Year Parts\u003c\/strong\u003e and \u003cstrong\u003e7-Year Compressor Warranty\u003c\/strong\u003e (Lifetime optional with MRCOOL Care).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- DIY Savings Pro Tip --\u003e\n\u003cdiv style=\"border: 1px solid #ffcb05; background: #fff9e6; border-radius: 12px; padding: 16px; margin: 20px 0;\"\u003e\n\u003cstrong\u003e💡 Pro Tip:\u003c\/strong\u003e Skip the contractor markup and \u003cstrong\u003esave thousands\u003c\/strong\u003e by installing this system yourself! The MRCOOL DIY 5th Gen’s pre-charged \u003cstrong\u003eQuick-Connect® line sets\u003c\/strong\u003e make it possible for most homeowners to complete their installation in a weekend — no refrigerant handling, vacuum pump, or pro labor required. It’s the perfect combination of innovation, affordability, and independence.\u003c\/div\u003e\n\u003c!-- Specs --\u003e\n\u003cdiv style=\"border: 1px solid #eee; border-radius: 12px; padding: 16px; margin: 16px 0;\"\u003e\n\u003ch2 style=\"font-size: 1.15rem; margin: 0 0 6px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul style=\"padding-left: 18px; margin: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e MRCOOL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e DIY 5th Gen Multi-Zone Mini-Split\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e DIY-MULTI6-55HP230D-O\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling Capacity:\u003c\/strong\u003e 47,000 BTU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating Capacity:\u003c\/strong\u003e 55,000 BTU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZones:\u003c\/strong\u003e 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefrigerant:\u003c\/strong\u003e R-454B (Pre-Charged Quick-Connect®)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e 21.5 SEER2 | EER2 12 | HSPF2-4 10.6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 208\/230V, 1 Phase, 60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressor:\u003c\/strong\u003e DC Inverter Rotary\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Range:\u003c\/strong\u003e Heat down to −13°F | Cool up to 122°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Level:\u003c\/strong\u003e 64 dBA (Outdoor Unit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Line Set Length:\u003c\/strong\u003e 221.4 ft combined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e Energy Star, AHRI, ETL, UL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 5-Year Parts | 7-Year Compressor | Lifetime (MRCOOL Care Registration)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Nationwide Delivery --\u003e\n\u003cdiv style=\"border: 1px solid #eee; border-radius: 12px; padding: 14px; margin-bottom: 18px;\"\u003e\n\u003cstrong\u003eNationwide Shipping from this retailer:\u003c\/strong\u003e Fast delivery anywhere in the U.S. — systems ship factory-direct, fully warrantied, and ready for installation. Enjoy secure freight delivery and real-time tracking from our warehouse to your door.\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- JSON-LD Structured Product Schema with Nationwide Shipping --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- SEO Meta --\u003e\n\u003cp\u003e\u003cmeta name=\"title\" content=\"MRCOOL DIY 5th Gen 55,000 BTU 6-Zone Ceiling Cassette Mini-Split | Save Thousands with DIY Installation\"\u003e \u003cmeta name=\"description\" content=\"Install your own MRCOOL DIY 5th Gen 55K 6-Zone ceiling cassette mini-split and save thousands in labor. 21.5 SEER2 efficiency, smart control, and nationwide delivery from this retailer.\"\u003e\u003c\/p\u003e","brand":"MRCOOL®","offers":[{"title":"Default Title","offer_id":52642678800703,"sku":"DIYM655090909121212-CC","price":12425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0931\/2128\/2367\/files\/mrcool-diy-5th-gen-complete-6-zone-mini-split-system-kit-all-components.jpg?v=1775250754","url":"https:\/\/homecrucial.com\/products\/mrcool-diy-5th-gen-multi-zone-6-zone-55-000-btu-22-seer2-9k-9k-9k-12k-12k-12k-ductless-mini-split-air-conditioner-and-heat-pump-with-ceiling-cassettes","provider":"Home Crucial","version":"1.0","type":"link"}