Glass Doors Open Or Closed On The Fireplace

Tempered glass 99 of the time your fireplace doors should be open when you are burning a fire.

Glass doors open or closed on the fireplace.

Glass doors should be fully open when starting a fire and when the fire is burning strongly. The glass doors should be closed as the fire dies down to minimize the amount of room air going up the fireplace chimney. 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. If the doors are closed you are losing all of the fireplace s heat.

When you use your fireplace it is best to leave the glass doors open while the fire burns. At chimney safety institute of america we commonly get asked about whether homeowners should leave the glass doors on their fireplace open or closed. That is why we do not recommend closing the glass doors on a fireplace while there is a fire. Simple to install in 3 easy steps these fireplace doors add warmth elegance and safety to your hearth and are fully assembled.

Your fireplace isn t a woodstove. The premium mesh panels located behind the doors should always be closed and glass doors opened when you have a fire going. Burning with the doors closed makes for a smokier fire a dirty chimney and more air pollution. 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.

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. Keeping the doors open allows sufficient airflow to ensure complete combustion and to minimize the. Closing your glass doors when you re not burning a fire in the hearth will actually prevent this from happening.

When burning gas logs in a wood burning fireplace the glass doors should always be fully open when the gas logs are burning. Even if this doesn t happen it can severely distort the flames. In the off chance you have. Tempered glass that comes standard on most fireplace doors will shatter once it reaches temperatures of 450 degrees.

Operating the fireplace with the doors closed redduces the losses of that heated room air. A fireplace uses tempered glass that is resistant to physical shock. If you close the doors the flames pull towards the glass where it can impinge and shatter the glass. Always use a metal mesh spark screen and close it after tinkering or adding more firewood.

Without direct combustion air into the firebox area glass doors need to be in the open position during your fire. When a fire is burning your fireplace can reach temperatures up to 1200 degrees. Even more important is to leave the glass doors closed and the air shutters closed in between uses of the fireplace to minimize the loss of heated room air when the fireplace is not being used. It is still an open hearth fireplace which is susceptible to aerodynamics.

If you crack the doors open partially it can draw fumes and heat into the space. The air shutters at the bottom provide a small amount of fresh air for the wood to burn.