The Mr. Heater Forced Air Propane Heater has a heavy-duty design built for the jobsite. This thermostatically controlled heater comes with a standard hose and regulator and all the safety you would expect from a Mr. Heater product. Equipped with a factory installed high limit switch and thermoelectric safety valve, you can feel comfortable using this heater on a jobsite. Just plug the heater into a 110v outlet, hook up the included hose and regulator to two 100 lb. propane tank or larger (not included), and you are ready to take the chill out of any job.