The Dyna-Glo Delux 80,000 BTU Portable Kerosene Forced Air Heater is ideal for outdoor/indoor construction, as well as industrial and commercial applications, making it an excellent choice for your portable heating needs. It requires little to no assembly, is 98% fuel efficient, and covers areas up to 1,900 sq. ft. The KFA80DGD-L includes temperature limit controls, an adjustable thermostat, a flameout sensor, run-time fuel gauge and more. All Dyna-Glo Delux Kerosene Forced Air Heaters are CSA certified for multi-fuel use with these fuel types: K1 Kerosene, Diesel #1, Diesel #2, Fuel Oil #1, Fuel Oil #2, Jet A and JP-8. However, K1 Kerosene is the manufacturer’s recommended fuel for optimal, cleaner burns and long lasting product life.