This is simply not true.
Glass doors on wood burning fireplace open or closed.
Keep in mind the glass used with a wood stove is different from that used with a fireplace.
A wood stove uses a pyro ceramic glass that is resistant to thermal shock.
That is why we do not recommend closing the glass doors on a fireplace while there is a fire.
In retrospect keeping your fireplace doors closed during the hotter months curtails warm air from entering your living space through the chimney when you re running the a c.
The better the airflow is the better and longer your fire will burn.
First open the flue.
Always keep your fireplace doors open while a fire is burning.
A fireplace uses tempered glass that is resistant to physical shock.
Glass fireplace doors are made to radiate heat throughout the room.
Keeping my fireplace doors closed will make my fire burn longer.
Make sure anything that can burn.
Ceramic glass doors a masonry fireplace and do not care about any heat coming into your room then it is ok to burn a fire with your glass doors closed.
In the off chance you have.
Closing the doors will stifle the fire not keep it going.
99 of the time your fireplace doors should be open when you are burning a fire.
Heat is not meant to be radiated through tempered glass doors.
At chimney safety institute of america we commonly get asked about whether homeowners should leave the glass doors on their fireplace open or closed.
It s recommended that glass doors on a wood burning fireplace are left open during a fire.
Doors on a fireplace that use tempered glass are more susceptible to shatter due to high temperatures from a fire and so it s recommended to always keep fireplace doors open when having a fire.
Closing your glass doors when you re not burning a fire in the hearth will actually prevent this from happening.