Shop for Heating, Venting & Cooling at The Home Depot. The Keystone KSTAW08B Energy Star 8,000 BTU 115-Volt Window-Mounted Air Conditioner with "Follow Me" remote control is perfect for cooling a room up to 350 sq. ft. It has electronic controls with LED display and a temperature sensing LCD remote control allowing you to conveniently see, set and maintain the room temperature from across the room. This 2014 Energy Star unit includes an energy saver mode, programmable 24-hour timer and a sleep mode to save you money while keeping you cool and comfortable. Color: White.