Kozy World KWN391 Infrared Vent-Free Heater, 20.9 in W, 24 in H, 18,000 Btu Heating, Natural Gas, Beige Beige

Kozy World's 3 plaque Natural Gas(NG), 18,000 Btu manual controlled heater will heat a room up to 800 sq-ft. Our high-quality infrared ceramic plaques radiate soothing, direct, immediate infrared heat. This heater is 99% fuel efficient. It requires no duct work or other venting and includes a built in oxygen depletion sensor! The sleek design and neutral color fits any decor. Due to the built in oxygen safety sensor, vent-free products may not work properly at elevations above 4500 ft.