Collection: MRCOOL DIY Single Zone Mini Splits

Beat the heat — and the installation bill — with MRCOOL DIY Single Zone Mini Splits.

The only mini-split on the market designed for full homeowner installation — no license, no technicians, no compromises. MRCOOL Pre-charged line sets, quick-connect electrical hookups, and quality engineering mean just about anyone can have their system up and running in a few short hours, with no special tools or training required. 

Available in capacities from 9,000 to 36,000 BTU, these systems cover spaces up to 1,550 square feet — making them the perfect solution for bedrooms, home offices, garages, workshops, and more. An inverter-driven compressor automatically adjusts output based on the room's temperature needs, keeping you comfortable while keeping energy costs low.  Built-in Wi-Fi lets you control your system from your smartphone, while ENERGY STAR® certification and eco-friendly R-454B refrigerant keep your footprint small.

Whether you're adding comfort to a single room or replacing an aging window unit, MRCOOL DIY single zone systems deliver professional-grade performance at a fraction of the total cost. Shop by BTU size below to find the right fit for your space.