{"product_id":"mrcool-diy-5th-gen-3-zone-54-000-btu-ceiling-cassette-ductless-mini-split-air-conditioner-heat-pump-18k-18k-18k","title":"MRCOOL DIY 5th Gen 3-Zone 54,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner \u0026 Heat Pump (18K+18K+18K)","description":"\u003cstyle\u003e\n    .iron-theme{\n      --black:#0b0b0b; --gray:#6b7280;\n      --red:#c1121f; --red2:#e11d2e;\n      --border:#e5e7eb; --soft:#f8fafc;\n      font-family: Arial, Helvetica, sans-serif;\n      color: var(--black);\n      max-width: 1100px;\n      margin: 0 auto;\n      line-height: 1.7;\n    }\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;}\n    .kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--gray);margin:0 0 8px;}\n    h1{margin:0;font-size:30px;font-weight:900;text-transform:uppercase;}\n    .sub{margin:12px 0 0;font-size:15px;max-width:100ch;}\n    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aria-label=\"MRCOOL DIY 5th Gen 3-Zone Ceiling Cassette Mini Split\" class=\"cy3c-wrap iron-theme\"\u003e\n\u003cdiv class=\"shell\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cp class=\"kicker\"\u003e54,000 BTU Connected Capacity • OuttaSight™ Ceiling Layout • 6-Zone Capable Condenser\u003c\/p\u003e\n\u003ch2\u003eMRCOOL® DIY® 5th Gen 3-Zone Ceiling Cassette Mini Split (18K+18K+18K)\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe \u003cstrong\u003eMRCOOL® DIY® 5th Generation 54,000 BTU 3-Zone Ceiling Cassette Mini Split\u003c\/strong\u003e delivers maximum commercial-grade comfort by pairing a powerful 6-zone capable 55K BTU condenser with three symmetrical 18,000 BTU OuttaSight™ 1-way ceiling cassettes for fast, vacuum-free installation and heavy-duty climate control across three expansive residential or commercial spaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stripe\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\u003eSymmetrical High-Capacity Output:\u003c\/strong\u003e Three heavy-duty 18,000 BTU cassettes deliver a massive 54,000 BTU total heating and cooling capacity, effortlessly conditioning three expansive zones between 501 and 750 sq. ft. each.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuttaSight™ Architectural Design:\u003c\/strong\u003e Flush-mount ceiling cassette profile sits discreetly between standard ceiling joists, preserving valuable wall space while maintaining a sleek, low-profile footprint of 50.31\" W x 13.19\" D.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Way Directional Airflow:\u003c\/strong\u003e Precision louver control directs high-velocity conditioned air across large rooms for even thermal distribution without direct drafts or dead zones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable 55K Condenser Chassis:\u003c\/strong\u003e Deploys out of the box as a high-output tri-zone system, leaving immense reserve headroom to hook up three additional handlers as your building layout scales.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue DIY Installation Workflow:\u003c\/strong\u003e Patented pre-charged Quick Connect® lines completely eliminate conventional line evacuation, vacuuming, and professional trade labor requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"callout\"\u003eEngineered for properties that demand maximum, commercial-grade ceiling cassette tonnage across three large zones, offering ultimate long-term expansion flexibility from a single centralized 55K condenser framework.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Connected Capacity\u003c\/th\u003e\n\u003ctd\u003e54,000 BTU (18K + 18K + 18K Ceiling Cassettes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondenser Model\u003c\/th\u003e\n\u003ctd\u003eDIY-MULTI6-55HP230D-O (6-Zone Capable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Interface Requirements\u003c\/th\u003e\n\u003ctd\u003e208–230V, 1 Phase, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRefrigerant Type\u003c\/th\u003e\n\u003ctd\u003eR-454B (Pre-Charged Eco-Friendly)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIndustry Compliance Certifications\u003c\/th\u003e\n\u003ctd\u003eUL Listed, ETL Listed, ENERGY STAR, AHRI Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eZone Configuration \u0026amp; Performance Metrics\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification \/ Feature\u003c\/th\u003e\n\u003cth\u003eZone 1: 18K Cassette\u003c\/th\u003e\n\u003cth\u003eZone 2: 18K Cassette\u003c\/th\u003e\n\u003cth\u003eZone 3: 18K Cassette\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCooling \/ Heating Output\u003c\/th\u003e\n\u003ctd\u003e18,000 BTU\u003c\/td\u003e\n\u003ctd\u003e18,000 BTU\u003c\/td\u003e\n\u003ctd\u003e18,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCoverage Area\u003c\/th\u003e\n\u003ctd\u003e501 to 750 sq. ft.\u003c\/td\u003e\n\u003ctd\u003e501 to 750 sq. ft.\u003c\/td\u003e\n\u003ctd\u003e501 to 750 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLineset Interconnect Size\u003c\/th\u003e\n\u003ctd\u003e1\/4\" Liquid • 1\/2\" Suction\u003c\/td\u003e\n\u003ctd\u003e1\/4\" Liquid • 1\/2\" Suction\u003c\/td\u003e\n\u003ctd\u003e1\/4\" Liquid • 1\/2\" Suction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLineset Length Options\u003c\/th\u003e\n\u003ctd\u003e16 ft, 25 ft, 35 ft, or 50 ft\u003c\/td\u003e\n\u003ctd\u003e16 ft, 25 ft, 35 ft, or 50 ft\u003c\/td\u003e\n\u003ctd\u003e16 ft, 25 ft, 35 ft, or 50 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit Dimensions \u0026amp; Weight\u003c\/th\u003e\n\u003ctd\u003e50.31\"W x 13.19\"D x 8.98\"H (45 lbs)\u003c\/td\u003e\n\u003ctd\u003e50.31\"W x 13.19\"D x 8.98\"H (45 lbs)\u003c\/td\u003e\n\u003ctd\u003e50.31\"W x 13.19\"D x 8.98\"H (45 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eAdvanced Engineering \u0026amp; Warranty\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGold Fin® Corrosion Protection:\u003c\/strong\u003e Advanced clear-coat protective barrier shields the exterior condenser coil against extreme humidity and harsh coastal climates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Inverter Drive Architecture:\u003c\/strong\u003e The continuous variable-speed rotary inverter compressor scales its operating frequency down precisely to match ambient thermal loads, completely avoiding costly current draw spikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Ecosystem Control:\u003c\/strong\u003e Full out-of-the-box integration via Amazon Alexa, Google Assistant, and the dedicated SmartHVAC mobile app for remote multi-zone scheduling and mode adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-Year Compressor Warranty:\u003c\/strong\u003e Commercial-grade structural factory backing ensuring the heart of your outdoor condenser system remains protected against manufacturing defects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Year Parts Protection Framework:\u003c\/strong\u003e Comprehensive hardware replacement coverage across internal circuit boards and critical operational components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"MRCOOL","offers":[{"title":"16ft \/ 16ft \/ 16ft","offer_id":53587037913453,"sku":null,"price":7453.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 16ft \/ 25ft","offer_id":53587037946221,"sku":null,"price":7486.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 16ft \/ 35ft","offer_id":53587037978989,"sku":null,"price":7724.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 16ft \/ 50ft","offer_id":53587038011757,"sku":null,"price":7813.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 25ft \/ 16ft","offer_id":53587038044525,"sku":null,"price":7486.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 25ft \/ 25ft","offer_id":53587038077293,"sku":null,"price":7519.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 25ft \/ 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