This forced air heater will run up to 10 hours on a full 14 gallon tank. Equipped with high output fully enclosed motors and large, glove friendly controls. Controlled by a factory installed thermostat. Equipped with a high limit safety switch and a photo CAD cell to shut the unit off in unsafe conditions. Fuel types - Kerosene, JP8, #1 Diesel, #2 Diesel and #1 fuel oil.