We bet you can think of up to 3,500 square feet of your space that could use some extra heat when weather turns chilly. Enter the? 140,000 BTU kerosene/diesel forced air torpedo heater. This versatile, multi-fuel heater will be reliable no matter where you use it, be it shop, garage, barn, or outdoor events. In fact, wherever you need efficient, dependable heat, this heater can get the job done. Its time-tested design includes the built-in convenience and the advanced safety features you expect from products. Pros choose. Operates up to 10 hours on a full tank of fuel. Runs on efficient, clean-burning K-1 kerosene and CSA certified to run on #1 2 diesel fuel, JP8/Jet A fuel and #1 2 fuel oil Built-in calibrated air pressure gauge, and fuel gauge. Convenient, built-in thermostat for precise and convenient temperature control. Safety features include high-temperature limit shut-off, flame-out fuel cut, and thermocouple. Easy-lift no tools required handles with extension cord wrap. 1 year limited warranty