Shop for Heating, Venting & Cooling at The Home Depot. The HeatStream 60,000 BTU Forced-Air Propane Heater offers easy operation with variable heat controls and automatic shut-off for safety. This convenient heater features continuous electronic ignition for fast start up and can be used to keep areas up to 1,500 sq. ft. warm. This powerful heater runs up to 11 hours on full 20 lbs. propane tank.