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.