Keep in mind the glass used with a wood stove is different from that used with a fireplace.
Glass doors on wood burning fireplace open or closed.
This will help you save on heating and cooling costs.
Glass fireplace doors are made to radiate heat throughout the room.
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.
Closing your glass doors when you re not burning a fire in the hearth will actually prevent this from happening.
Closing the doors will stifle the fire not keep it going.
Some common myths about fireplace doors.
Always keep your fireplace doors open while a fire is burning.
Build a fire with dry seasoned firewood and kindling or fire starter bricks then close the metal mesh screen but leave the glass doors open.
First open the flue.
This is simply not true.
It s recommended that glass doors on a wood burning fireplace are left open during a fire.
Heat is not meant to be radiated through tempered glass doors.
A wood stove uses a pyro ceramic glass that is resistant to thermal shock.
A fireplace uses tempered glass that is resistant to physical shock.
That is why we do not recommend closing the glass doors on a fireplace while there is a fire.
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.
99 of the time your fireplace doors should be open when you are burning 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.
Keeping my fireplace doors closed will make my fire burn longer.