40,000 BTU per hour For use with natural gas Heats up to 750 sq. ft. For use in buildings with 12 to 15 ft ceilings Efficient infrared heat that directly heats people and objects which in turn heats surrounding air to desired temperature Includes adjustable thermostat for individually controlled warmth and all necessary brackets and hardware No electricity required Easy to install No moving parts to service Quiet, clean, odor-free operation CSA Certified Weight 28.2 lbs. 1 Year Limited Warranty •Non-corrosive materials used throughout construction