Stop Cold Air Coming Through Fireplace

We recently bought a 1996 house which has a majestic gas fireplace.

Stop cold air coming through fireplace.

Use our flue cover to stop the outside air from coming in through the flue. Fireplace and chimney basics. This time of year we get a lot of calls regarding cold air coming into homes from the fireplace. Block your fireplace with bricks or boards.

A damper is a metal flap in your chimney that blocks cold air from coming in and warm air from escaping. The problem is it allows a ton of cold air into the house. Before we talk about solutions to this very common problem its important to understand why this happens. If you have a metal flue and or a metal damper this can make this inefficiency even worse.

There is a chimney cap and i climbed up on the roof to verify it still works as well as glass doors on the front of the fireplace which were clearly made for safety and not sealing the room from cold air. 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. The basic structure and operation of a fireplace and chimney is something most homeowners readily understand. A functional fireplace adds both visual and decorative warmth to a room no matter how cold the air outdoors.

Since cold air was still pouring in i added a chimney balloon. Then it looks ugly and you can t use your fire when you feel like it. When you close the flue you re essentially plugging the chimney with a metal flap. The question about cold air coming from the fireplace is a question many homeowners have.

A fireplace requires ventilation through the chimney which means warm. Fortunately there are only a few possible causes and several very effective remedies. You will stop the cold drafty air in the winter and keep warm humid air from coming in during the summer months. Some fireplaces have no damper or have cheap dampers that are not very functional when they are new.

And the cold air still comes through the cracks unless you mortar the bricks or boards. Although fireplaces radiate heat they can also allow some of the heated air to be pulled back out of the home. Webuser 8230717 i know this is hard to imagine but the cold air is not technically coming in through the back. When the fireplace is off however you may experience the cold air coming through the chimney and stealing the warmth out of your home.

Use our magnetic fireplace vent cover to stop the inner cold air circulation from the vents. Everyone likes to cozy up in front of a fireplace during the cold months. By properly using a damper covering the fireplace or installing a chimney balloon you can keep the heat in and the cold out.