Williams Furnace, Vent-Free Heaters

  • Infrared and blue-flame models
  • 99.9% efficiency
  • No need for duct work or chimneys
  • Equipped with oxygen depletion sensor with auto shut-off
  • Natural gas, propane or fuel exchange system-equipped models
  • Non-electric
  • Manual or automatic thermostat controls
  • Easy push-button ignition

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