MRCOOL DIY 5th Gen 5-Zone 45,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+9K+12K+12K), DIY5-B-55HP Bestseller MRCOOL® is the trusted name

MRCOOL® is the trusted name in DIY climate control - giving you professional-grade performance without the hassle or expense of professional installation

5 dBA Outdoor Decibel Rating

ensuring long-lasting performance

turbo mode

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MRCOOL DIY 5th Gen 5-Zone 45,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+9K+12K+12K), DIY5-B-55HP Bestseller MRCOOL® is the trusted nameTake control of your comfort with the MRCOOL DIY 5th Gen Multi Zone Mini Split System the easiest and most affordable way to get powerful, energy saving heating and cooling without hiring a pro. Five Rooms, Perfect Comfort: Heat or cool five spaces that are 150 sq. ft., 150 sq. ft., 350 sq. ft., 500 sq. ft. and 500 sq. ft. each with independent temperature control for personalized comfort. Truly DIY Friendly: Forget expensive installs no HVAC license