I suggest finding a plumbing company that specializes in gas fireplaces and a local contractor if this is not something you feel comfortable doing.
Draft from direct vent gas fireplace.
There are two kinds of drafts vent drafts and flue drafts.
Use our magnetic fireplace vent covers to stop the draft instantly.
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.
Our flue zee flue covers and our termination cap covers deal with the draft of outside air coming in through your flue.
If so the area in and around the fireplace may be the source of make up air that the rest of your house needs for mechnical devices like fans hvac etc.
Another great solution for preventing these drafts is to install a direct vent gas insert.
There is an icy cold draft coming from the face of the unit mainly at the bottom where the controls are but the draft can be felt all around.
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.
This insulated magnetic cover will stop all of the drafts that are coming in from the outside.
All of the problems with direct vent fireplaces are easily remedied with a fireplace fashion cover.
Draft decor products compliment each other and are versatile too.
Also see if it happen when the heater fan is on.
If you feel a draft try opening a window else where in the house to see in that reduces the air coming in.
Our magnetic fireplace vent covers stop drafts from vents circulating cold air.