The safe, clean and comfortable way to help reduce whole home heating costs. Featuring a 750 watt preheater and two quartz heating elements, the Comfort Glow (TM) comfort furnace is powerful.How it works: High velocity fan circulates air thru the heater and into the room at two cubic meters per second. Cool air is warmed thru a 750 watt preheater, circulated around two quartz heating elements and then thru a copper heat deflector. Warm convective and radiant air is circulated into the room. Comfort Glow QEH1501 Heritage Cherry is one of many Heaters available through Office Depot. Made by Comfort Glow.