The Hunter SHA was built for the US military to heat their 10 Man wall tents. It can run on solid fuels like wood and coal but will also run on liquid fuel like diesel and Kerosene. It is Light weight at about 45Lbs and all components pack up inside. These heaters will put out up to 28000 BTU. They are great for wall tents, Ice fishing shacks and tents, Cabins, outfitters, cargo trailers, etc.