This 30,000 Btu Natural Gas Garage Vent Free heater is the perfect heating solution for your workshop or garage. The glass on the standard vent free unit has been replaced with a metal heat shield for added durability. This heater is conveniently equipped with a thermostat for superior control of the temperature in your work or storage space. Also, with a battery powered electronic ignition, starting it is a breeze - battery included. This unit can be permanently mounted to the wall or securely fastened to the floor with included mounting brackets and fasteners. A clean burning blue flame tube burner uses the natural convection of the burn to circulate warm comfortable air keeping your tools and toys safe and warm. With a factory standard Oxygen Depletion Sensor (Ods), rest assured this heater will provide you with years of comfortable and safe heat.