Turn down your thermostat when using your fireplace

Why? You may be surprised to learn that fireplaces often lose more heat than they provide. That's because a fireplace must have air in order for the fire to burn. This air comes from your heated living space and is exhausted up the chimney, meaning your heating system must work harder to warm your home. Fireplaces also lose heat continuously even when they are not in use.
Step by step:
  • Reduce use. Use the fireplace sparingly. It may be an inefficient source of heat.
  • Turn down your thermostat. When you have the fireplace on, set your thermostat to 55°F.
  • Seal when not in use. Close the damper when the fireplace is not in use.
  • Consider improvements. If you use your fireplace often, consider a fireplace insert or well-sealing door to improve its efficiency.

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