Cold Air Coming Through My Gas Fireplace

Remembering to keep the damper closed when the fireplace isn t being used will block the cold air that wants to enter your home.

Cold air coming through my gas fireplace.

Use our magnetic fireplace vent cover to stop the inner cold air circulation from the vents. Putting a bag or plastic over the box outside does nothing. You will stop the cold drafty air in the winter and keep warm humid air from coming in during the summer months. 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.

It seems that the gas insert s enclosure bottom must sit off of the bottom of the fireplace opening by about an inch. Step one is stopping the cold air draft. The air comes in through the large unsealed hole that is left from the pipe going through. Ways to prevent cold air entering your home through your fireplace.

Over years of use dampers can become rusted or warped. We recently bought a 1996 house which has a majestic gas fireplace. Also you may discover that the knockout for the gas line is letting cold air come in. How can i fix this.

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. When you close the flue you re essentially plugging the chimney with a metal flap. Use our flue cover to stop the outside air from coming in through the flue. Stuffing the hole s with batt insulation will slow the draft down.

The damper that sits above the firebox should be able to close fully and make a tight seal. If the wall behind the fireplace is uninsulated which is common the problem will be worse.