The DXH65FAV forced air propane heater burns at 65,000 BTU/hr and can be adjusted down 35,000 BTU/hr. Equipped with quiet burner technology this heater 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 1625 square feet of space for around 7 hours on high or 12 hours on low.