Mr. Heater, MH185KTR, Mr. Heater 185,000 BTU Kerosene Forced Air Heater, 185,000 BTUs heats up to 4,375 sq ft., Fuel gauge, Up to 10 hours of run time on full tank, For use with kerosene 1 and 2, diesel 1 and 2, home heating oil, JP-8 and Biodiesel blends B2, B5, B10 and B20, Overheat safety shutdown, Thermostat with LED readout with room and set temperature.