Sure Heat WGSH10BFNG 10,000 BTU Blue Flame Space Heater, Natural Gas 99.9-Percent Efficient and works with Natural Gas fuel source The convection heat warms the air in the room first and then objects; This unit heats up to 300 Sq. Ft Perfect for newer homes with tight insulation Easy Installation for Wall or Floor Mount (Base, Wall Brackets and Connection Tube Included) Piezo Ignition and OMNI Approved