This tent heater includes a 66kbtu heater, a 12′ long duct hose, and a full 20 lb. propane tank. This heater is meant to heat almost any fully enclosed area up to 150 square feet in total area. The heater itself and the propane tank must always be used outdoors! The heat is vented thru the duct hose into your area needing heat. You will need a standard 110v power supply to run the blower on the heater.