Dyna-Glo 18000-BTU Natural Gas or Liquid Propane Vent-Free Infrared Heater

  
Dyna-Glo 18000-BTU Wall-Mount Indoor Natural Gas or Liquid Propane Vent-Free Infrared Heater. Dual fuel technology allows the unit to be operated with liquid propane or natural gas. Infrared technology works by radiating heat to warm objects first - similar to the sun. Up to 18,000 BTU's/hr heats up to 700-sq ft. Thermostat control knob automatically maintains your ideal heat level. No electricity required allows for reliable back-up heating in case of an emergency situation.