We bet you can think of up to 3, 125 square feet of your space that could use some extra heat when weather turns chilly. Enter protemp's 125, 000 btu propane forced air torpedo heater. This versatile 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 advanced safety features you expect from protemp products. Pros choose protemp.