Cold Air Coming From Gas Fireplace

The only place the cold air is coming in from is from the vent on the back that opens up directly to the outside of the house.

Cold air coming from gas fireplace.

The only reason why your vented gas fireplace is drafty is because of the gas logs being installed. We have been keeping a blanket shoved up in front of the bottom vent. Use our flue coverto stop the outside air from coming in through the flue. Cold air coming in from bottom underneath of gas fireplace insert we bought a house earlier this year that has a family room addition with a brick fireplace.

Chances are before you had gas logs installed your fireplace was a wood burning fireplace. Then there is a constant flow of cold air coming out of the vents above and below mostly below the glass. The previous owner had a contractor put in a gas insert. We recently bought a 1996 house which has a majestic gas fireplace.

When you close the flue you re essentially plugging the chimney with a metal flap. Putting a bag or plastic over the box outside does nothing. If the fireplace has a rear vent make sure it is sealed off when not in use. You will stop the cold drafty air in the winter and keep warm humid air from coming in during the summer months.

If you have the damper closed but cold air still sweeps across the room it s very likely that your damper is worn cracked warped or generally. A damper is a metal flap in your chimney that blocks cold air from coming in and warm air from escaping. However with vented gas logs cold drafts are quite common. The air comes in through the large unsealed hole that is left from the pipe going through.

Pilot light is lit. Install an energy efficient damper like a top mounting damper to seal off the flue completely when not in use note.