If you close the doors the flames pull towards the glass where it can impinge and shatter the glass. Closing your glass doors when youre not burning fire in the hearth will actually prevent this from happening.
Even if this doesnt happen it can severely distort the flames.
Fireplace glass doors open or closed. Fireplace doors must remain fully open while an active fire is present. This will help you save on heating and cooling costs. Should Wood Burning Fireplace Glass Doors Be Open Or Closed.
A fireplace uses tempered glass that is resistant to physical shock. An open fronted gas log fire currently on the market puts out 23Kw while the same heater fitted with a glass front achieves 697Kw for the same input. Fireplace doors should always be kept open while a fire is burning.
They are there to prevent heat loss primarily and for the reason just statedlow glow ember safety. It is still an open hearth fireplace which is susceptible to aerodynamics. When the fire is a low burn and embers the glass doors can close such as when you want to go to bed.
For an example of the benefits of a glass fronted over open fronted gas fires consider the following. Glass doors should be fully open when starting a fire and when the fire is burning strongly. If the doors are closed you are losing all of the fireplaces heat.
Fireplace glass doors increase fire heat – When closed during a burning fire Fireplace glass doors can more than triple the net heat realized in your home. Learn more about why here. Doors can only be closed if there is no fire burning.
In retrospect keeping your fireplace doors closed during the hotter months curtails warm air from entering your living space through the chimney when youre running the AC. Its recommended that glass doors on a wood burning fireplace are left open during a fire. Glass doors should be open when a fire is full burn and ALWAYS with a spark screen.
You can reduce drafts and heat loss by installing glass doors in front of the gas fireplace but the doors must remain open while the. Therefore not only using the gas more efficiently but giving a 300 increase in output. If your fireplace is small or you keep a decorated hearth bifold fireplace doors are the best choice.
For wood burning fireplaces some masonry doors can be gasketed for an extra tight seal. Youll want to make sure nothing is in the way including fireplace tools so the doors fully open when you need them to. 3 Really Good Reasons to NOT Burn a Fire with Your Doors Closed 1 You will shatter your glass doors.
Building codes might require that the damper in your chimney be permanently blocked open if you install gas logs. When a fire is burning should you keep your fireplace doors open or closed. When you use your fireplace it is best to leave the glass doors open while the fire burns.
Doors should be open when burning a moderate to large fire or when burning gas logs What to Consider When Choosing a Fireplace Door. The glass can shatter sending hot shards of glass. Keep your doors open like this EZ Door Steel shown to the right.
Tempered glass that comes standard on most fireplace doors will shatter once it reaches temperatures of 450 degrees. The air shutters at the bottom provide a small amount of fresh air for the wood to burn. A wood stove uses a pyro-ceramic glass that is resistant to thermal shock.
Operating the fireplace with the doors closed redduces the losses of that heated room air. Without direct combustion air into the firebox area glass doors need to be in the open position during your fire. Whether using gas or wood you need to have your fireplace doors open when using your fireplace.
Your fireplace isnt a woodstove. If you crack the doors open partially it can draw fumes and heat into the space. Doors can only be fully closed once the fire has died down to a coal bed.
When using gas logs fire glass or modern gas media the doors must remain fully open at all times while in use. Burning with the doors closed makes for a smokier fire a dirty chimney and more air pollution. The wood and gas need the air circulating through the room to keep a good flame going in the fireplace.
The primary purpose of the glass fireplace door is to prevent the rooms heat from going up the flue when the fireplace is not in use. Doors on a fireplace that use tempered glass are more susceptible to shatter due to high temperatures from a fire and so its recommended to always keep fireplace doors open when having a fire. When burning gas logs in a wood burning fireplace the glass doors should always be fully open.
Always use a metal mesh spark screen and close it after tinkering or adding more firewood. The glass doors should be closed as the fire dies down to minimize the amount of room air going up the fireplace chimney. The answer is OPEN.
Theyre designed with two glass panes on each side that fold in half when opened. Keeping the doors open allows sufficient airflow to ensure complete combustion and to minimize the. When a fire is burning your fireplace can reach temperatures up to 1200 degrees.
That is why we DO NOT recommend closing the glass doors on a fireplace while there is a fire.