IR12NMDG-1 12,000 BTU Natural Gas Infrared Vent Free Wall Heater
6,000-12,000 BTU's/hr. Variable heat output for up to 300 sq. This state-of-the-art vent free technology does not require a flue or chimney. This Infrared Wall Heaters burn with 99.9% efficiency, and operates on Natural Gas only.