Cool Living 18,000 BTU 230V Home/Office Window Mount Air Conditioner | 900 Sq Ft Cools a room up to 1,500 sq ft Designed to be installed in a standard double-hung window with a window width between 30" and 41" (see the product manual for further instructions) LCD Remote Control has a signal range up to 20 feet Thermostat range of 61 - 86 degrees Fahrenheit (cooling only) Programmable Timer runs anywhere from 0.5-24 hrs