Cold Air Through Gas Fireplace

Over years of use dampers can become rusted or warped.
Cold air through gas fireplace. Chances are before you had gas logs installed your fireplace was a wood burning fireplace. Stuffing the hole s with batt insulation will slow the draft down. Leaving the fireplace pilot light on in the winter will help. The air comes in through the large unsealed hole that is left from the pipe going through.
However with vented gas logs cold drafts are quite common. Ways to prevent cold air entering your home through your fireplace. If it is coming from the bottom then it could be make up air. After inspecting i realize that the reason this room is always colder than the rest of the house is because there is a ton of cold air coming in underneath the gas fireplace insert.
Keeping your home warmer in the winter can involve a couple steps. The damper that sits above the firebox should be able to close fully and make a tight seal. 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.
If the wall behind the fireplace is uninsulated which is common the problem will be worse. 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. Putting a bag or plastic over the box outside does nothing. It seems that the gas insert s enclosure bottom must sit off of the bottom of the fireplace opening by about an inch.
The only reason why your vented gas fireplace is drafty is because of the gas logs being installed. Step one is stopping the cold air draft. Remembering to keep the damper closed when the fireplace isn t being used will block the cold air that wants to enter your home. Use our magnetic fireplace vent cover to stop the inner cold air circulation from the vents.