Cold Air Coming Through My Gas Fireplace

Install or replace the damper a damper is a metal flap in your chimney that blocks cold air from coming in and warm air from escaping.

Cold air coming through my gas fireplace.

Ways to prevent cold air entering your home through your fireplace. You will stop the cold drafty air in the winter and keep warm humid air from coming in during the summer months. The air comes in through the large unsealed hole that is left from the pipe going through. Use our flue cover to stop the outside air from coming in through the flue.

Over years of use dampers can become rusted or warped. Remembering to keep the damper closed when the fireplace isn t being used will block the cold air that wants to enter your home. Keeping your home warmer in the winter can involve a couple steps. I m guessing that that along with a void between the back of the insert and the flue is allowing cold air to come down the chimney past the back of the insert and underneath the insert and out into my family room.

How can i fix this. Putting a bag or plastic over the box outside does nothing. Leaving the fireplace pilot light on in the winter will help. The damper that sits above the firebox should be able to close fully and make a tight seal.

Also you may discover that the knockout for the gas line is letting cold air come in. Step one is stopping the cold air draft. When you close the flue you re essentially plugging the chimney with a metal flap. Use our magnetic fireplace vent cover to stop the inner cold air circulation from the vents.

This air is direct to the surrounding area behind the fireplace and comes out through any vent usually the lower grill making the floor icey cold. Stuffing the hole s with batt insulation will slow the draft down.