The DXH125FAV forced air propane heater burns at 125 000 BTU/HR and can be adjusted down 75 000 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 100LB propane tank you can heat approximately 3125 square feet of space for around 17 hours on high or 29 hours on low.