The Broan 10-1/2 in. x 12-1/2 in. 1,500-Watt White Fan-Forced Wall Heater is a large-capacity unit ideal for high heat-loss areas like lobbies, entrance ways and vestibules. This wall heater features a built-in, adjustable thermostat to help you control the temperature of a specific area. This wall heater wires easily to accommodate installation for 120 or 240-volt applications.