Cold Air Coming In From Gas Fireplace Vent

One is at the top of the hood where it connects to the duct and the other is at the wall or roof cap where the duct exhausts its air.

Cold air coming in from gas fireplace vent.

Unless the door is not on properly it is very unlikely that air is actually coming in from outside that way the cold air normally comes out of the bottom of a rear vented direct vent fireplace the result of a reverse heat exchange. Use our flue cover to stop the outside air from coming in through the flue. You will stop the cold drafty air in the winter and keep warm humid air from coming in during the summer months. A direct vent gas inserts is flued up the chimney but because it is a sealed firebox the cold air cannot escape back into the room.

Finding the right person is key. We recently bought a 1996 house which has a majestic gas fireplace. If they don t own a blower door that s a bad sign. There are several possible causes of feeling cold air from a gas fireplace.

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. Even with no cold air penetration from the outside there are natural reverse convection drafts occurring. 1 check around the area where the gas line enters your home.

If they do they would set it up right away and start figuring out where the air is and where they can stop it. Use our magnetic fireplace vent cover to stop the inner cold air circulation from the vents. This combustion air is necessary because new houses are so air tight there can be a lack of adequate combustion air. A direct vent gas insert will stop those pesky drafts because the insert fits snugly inside the fireplace opening and the insert itself is a sealed firebox.

The damper that sits above the firebox should be able to close fully and make a tight seal. Look on the outside of the house near the location of the fireplace and see if you find a small vent near where the bottom of the fireplace would be. That is the primary cause of cold air infiltration. You can stuff fiberglass or foil tape insulation in the hole to prevent the cold air from coming in there.

It appears that you have a superior direct vent gas fireplace which has a gasketed glass door. If it is coming from the bottom then it could be make up air. Keeping your home warmer in the winter can involve a couple steps. There must be home performance contractors insulation air sealing companies even clever hvac people in alberta it s cold up there.