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MRCOOL® 18k DIY 5th Generation Multi-Zone Mini-Split Condenser
SKU DIY-MULTI3-18HP230D-O

The 5th Gen MRCOOL® DIY® 18K BTU Multi-Zone Mini Split Condenser offers powerful, DIY-friendly comfort for up to three rooms (750 sq. ft. total). With a SEER2 rating of 23.9 and eco-friendly R-454B pre-charged Quick Connect® line sets (sold separately), it’s efficient and easy to install—no HVAC pro needed. Enjoy smart control via app or voice, full customization, and top-tier warranties for peace of mind and year-round comfort.

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