The DXH40FA forced air propane heater burns at 40,000 BTU/hr. Equipped with quiet burner technology this unit operates with 50% less noise than standard units of similar size. Includes a 20' hose and regulator, and is manufactured with a large ergonomic handle and a split barrel design for easy maintenance. When operated with a 20lb propane tank you can heat approximately 1000 square feet of space for around 11 hours.