Cadet CST402T Com-Pak Twin Wall Heater 4000 watt heater at 240 volts or 3000 watts at 208 volts creates plenty of heat for a large room Up to 600 square feet heating area capacity is perfect for family rooms or living rooms Warms up quickly with fast-heating coil element and efficient fan Rest safe and easy safety features turn heater off if normal operating temperatures are exceeded No sharp edges and smooth, durable finish