Enjoy year-round comfort in two separate rooms with the MRCOOL DIY® 5th Gen 18,000 BTU 24 SEER 2-Zone Ductless Heat Pump Split System (9K + 12K). This powerful and energy-efficient mini split is part of the only true DIY ductless system, designed so homeowners can install it themselves without special tools, training, or HVAC certification.
The system includes one 18,000 BTU condenser paired with two indoor air handlers—
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9,000 BTU unit (ideal for spaces up to ~350 sq. ft.)
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12,000 BTU unit (ideal for spaces up to ~550 sq. ft.)
Whether it’s cooling in summer, heating in winter, or dehumidifying during wet seasons, this dual-zone mini split has you covered. The advanced DC inverter technology delivers whisper-quiet performance while maximizing energy savings, earning a 24 SEER rating.
Why Choose MRCOOL DIY 5th Gen Multi-Zone?
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Easy DIY® Installation – Pre-charged Quick Connect® line sets filled with eco-friendly R-454B refrigerant snap together with no vacuuming required.
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Smart Controls – Control your comfort with the MRCOOL Smart Controller app, Amazon Alexa, or Google Assistant.
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All-Season Performance – Heat pump technology allows efficient heating even in low outdoor temps.
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Gold Fin® Condenser – Corrosion-resistant design for long-lasting durability.
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Follow Me® Technology – Remote senses your location and adjusts airflow for personalized comfort.
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Energy Saving Modes – Auto, Sleep, and Timer functions help reduce utility bills.
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Low Ambient Cooling – Operates down to 5°F, ideal for server rooms or garages.
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Lifetime Technical Support – Backed by MRCOOL’s 7-year compressor and 5-year parts warranty, plus optional lifetime compressor coverage.
What’s Included
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(1) 18,000 BTU DIY Multi-Zone Heat Pump Condenser (24 SEER)
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(1) 9,000 BTU Indoor Air Handler
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(1) 12,000 BTU Indoor Air Handler
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(2) Pre-Charged Quick Connect Line Sets (length optional)
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(2) Wireless Remotes
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(1) Smart Controller (WiFi compatible)
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Installation accessories and documentation
✅ Perfect for homeowners, house flippers, remodels, and new builds, this system delivers professional-grade performance without the professional price tag.
