Mr. Heater, MH80KTR, 80,000 BTU Forced Air Kerosene Heater (All Black), Heats up to 2,000 sq. ft., 6 gallon fuel tank capacity, Multi-fuel forced air heater, compatible with kerosene, filtered diesel #1 and #2, fuel oil #1 and #2, or even Jet A Fuel (JP8), Onboard thermostat with digital LED read out, For use outdoors or in well-ventilated areas; electricity needed, Run time of up to 10 hours, Perfect for well ventilated construction sites, barns, warehouses and workshops.