Keystone KSTAW06C. Brand NewIncludes One Year Warranty. . The Keystone KSTAW06C Energy Star 6,000 BTU 115V Window-Mounted Air Conditioner with "Follow Me" remote control is perfect for cooling a room up to 250 square feet. 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. Plus quiet operation (51.9 dB on low) helps you get a good night's sleep. This 2016 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.. . KSTAW06C