Vornado VH2 Series EH1-0020-25 Vortex Heater, 12.5 A, 120 V, 750/1500 W, 5118 Bt
Heat the room to a comfortable level and then turn the dial back until the heater shuts off. The heater will then maintain the temperature within 3 to 4 deg. Whisper quiet and has advance safety features to provide worry-free use.