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MrCool DIY 18k BTU 22 SEER Single-Zone Mini-Split If you're looking for a highly efficient way to heat and cool a single large room or area—like a master bedroom, living room, or garage—the MrCool DIY 18k BTU Single-Zone Mini-Split is a fantastic, cost-effective solution. This ENERGY STAR-certified system is specifically designed for do-it-yourself installation, allowing you to achieve high-performance comfort without the high cost of a professional installer. The Do-It-Yourself Adva …

If you're looking for a flexible way to heat and cool multiple areas in your home without ductwork, and you're interested in a system you can install yourself, this MrCool mini split Heat Pump system is designed just for that. This system allows you to control the temperature in three different zones independently, using one outdoor condenser (model DIY-MULTI3-27HP230C) and three indoor wall-mounted air handlers (one 9,000 BTU unit - DIY-09-HP-WMAH-230C25, and two 12,000 BTU units - DIY-12-HP-WM …