This heater boasts heavy-duty design, built tough. The Mr. Heater Liquid Propane Forced Air Heater comes with a standard 10ft hose and regulator. Equipped with factory installed high limit switches and thermoelectric safety valves, you can feel comfortable using these heaters on any jobsite. Just plug the heater into a 110v outlet, hook up the included hose and regulator to a 20lb propane tank or larger, and you are ready to take the chill out of any job. It heats approximately 950 sq ft and runs up to 12 hrs on 20lb tank (low setting).