Portable Torpedo Heater, Oil Fired, 400,000 BtuH Output, Heating Area 8500 Sq.-Ft., Tank 29 Gal., 9.5 Hours on One Filling, Fuel Consumption 3.00 Gal./Hr., 120 Volts, 60 Hz, 3.0 Amps AC, Built-In Thermostat, Height 35 In., Width 54 In., Length 28 In., Fuel Type K1 Kerosene, #1 or #2 Fuel Oil, Safety Features Thermal Protection, Fuel Safety Shutoff