This Portable propane forced heater offers efficient temporary heat for construction sites, agricultural buildings, industrial workspaces, remodeling jobs and more. Features a high-output fan to maximize air circulation, new for 2014 we included the patented, Quiet Burner Technology, 10-ft. hose and regulator. High-temperature limit switch/flame safety. Compact and lightweight with attached carrying handle. Uses 40-lb. tank (not included). CSA certified. This unit heats areas up to 3,125 sq ft.