Home Slickdeals Costco Members: MRCOOL DIY 18K BTU Mini-Split Air Conditioner & Heat Pump... Slickdeals Costco Members: MRCOOL DIY 18K BTU Mini-Split Air Conditioner & Heat Pump $1299.99 By ARCOM - 27 October 2021 54 0 SHARE Facebook Twitter Go to the deal page: Costco Members: MRCOOL DIY 18K BTU Mini-Split Air Conditioner & Heat Pump $1299.99