This Infrared gas heater radiates heat like the sun, providing direct, immediate heat to objects in the room which in turn heat the air.The 18,000 BTU Infrared Natural Gas Wall Space Heater with Choice of Heat Control operates with 99% efficiency and provides fast, continuous heat for only pennies an hour. This Kozy-World Vent-Free gas heater features a beautiful neutral paint finish with brass trim accents that will fit almost any decor! This infrared space heater uses a "insta-light" ignition system which provides immediate start-up in one easy step. Top-mounted controls insure ease of operation. Design-certified, this Kozy-World 18,000 BTU Infrared Natural Gas Wall Space Heater with Choice of Heat Control incorporates the latest safety features. The "safe watch" pilot assembly assures that the gas flow automatically shuts off in the event that the pilot is extinguished. The built-in oxygen depletion sensor extinguishes the flame should oxygen levels drop below A.N.S.I. standards, and the pressure regulator