High-Output Heat:; Kerosene heater delivers up to 80000 BTUs, quickly warming spaces up to 2000 sq. ft.Multiple Fuel Options:; Diesel kerosene heater runs on kerosene, diesel, home heating oil, or jet fuel (not gasoline).Long Runtime:; Industrial kerosene heater features a 4.76-gallon tank, providing up to 9.5 hours of continuous heat.Durable Steel Construction:; Kerosene heater is built with sturdy steel for use in temperatures from -25°C to 65°C.Comprehensive Safety System:; Includes high temp shutoff, flame-out protection, circuit breaker, thermostat (0°C-65°C), air and fuel gauges.