The DEWALT 125,000 BTU portable forced air propane heater is constructed with heavy-duty steel and has a glove friendly handle, making it the perfect solution for job sites, workshops, garages, warehouses, and barns. Featuring quiet burner technology, burning 50% quieter than standard propane heaters, with a split barrel design for easy maintenance. Variable output from 75,000 to 125,000 BTUs heats up to 3,125 sq ft, with continuous electronic ignition for quick and reliable starting. Have peace of mind with an overheat detection system and thermo-electric safety valve that shuts off gas flow if the flame goes out, so you can focus on the task at hand. Includes a 20 ft hose and regulator with an approximate 11 hour run time on low with a 40 lb propane tank, so you can stay warm and comfortable while getting the job done.