Sure Heat WGSH16IRNG Sure Heat 16000 BTU Infrared Gas Space Heater with Thermostat and Blower, Natural Gas 99.9-Percent Efficient and works with Natural Gas fuel source The Radiant heat warms objects in the room first and this unit heats up to 500 Sq. Ft Thermostatic control turns the heat and blower on and off automatically to keep room at designated temperature Easy Installation for Wall or Floor Mount (Base, Wall Brackets and Connection Tube Included) Piezo Ignition and OMNI Approved