Should Gas Fire Glass Doors Be Open Or Closed

Glass doors should be fully open when starting a fire and when the fire is burning strongly.

Should gas fire glass doors be open or closed.

First open the flue. It also elevates the temperature of the firebox and flue by greatly reducing the volume of air moving through the venting system. When burning gas logs in a wood burning fireplace the glass doors should always be fully open when the gas logs are burning. Tempered glass fireplace doors should remain open when a fire is burning.

The glass can shatter sending hot shards of glass into the room. Make sure anything that can burn. Closing the doors while your fire is burning can create a fire hazard and the tempered glass door is not meant to withstand such heat. Always keep the screen mesh on your fireplace closed when using the fireplace to guard against sparks popping out of the firebox area.

Additionally it defeats the purpose of a fire heating your room as all the heat will go straight up your chimney not into your room. Open no glass doors like isokern or firerock with add on gas burning unit fake ceramic logs. 3 really good reasons to not burn a fire with your doors closed 1 you will shatter your glass doors. Doors can only be closed if there is no fire burning.

Therefore the more air that reaches the fire the better the combustion and the warmer your home will be. 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. The glass doors should be closed as the fire dies down to minimize the amount of room air going up the fireplace chimney. It is still an open hearth fireplace which is susceptible to aerodynamics.

All gas logs should be burned with the doors wide open even if a mfr tells you they are approved for closed doors. When the gas logs are in use the chimney damper must be in the full open position allowing 100 of the exhaust carbon dioxide and water to be directed up the flue and out of the house. That is why we do not recommend closing the glass doors on a fireplace while there is a fire. Fireplace doors should always be kept open while a fire is burning.

This results in a dull blaze with little heat output. If you close the doors the flames pull towards the glass where it can impinge and shatter the glass. If your fireplace doors are shut oxygen cannot reach the flames. Large 10 class a metal chimney required hefty 1000 lbs of masonry firebox unsealed good radiant heat and open to the room no fans or accessory heat ducts.