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Henriette Fireplace February 12th, 2018 - 08:51:40
A fireplace glass door is installed on a fireplace to keep the room warm longer when the flames die down. Whether a wood burning fireplace or a gas burning fireplace, heat radiated into the room escapes through the chimney. One does not notice this while the fire is burning brightly, because of the heat from the flames that radiates into the room. However, when the fire starts to die down, the hearth becomes cold quickly as the heat escapes through the fireplace opening. To stop this from happening, a fireplace glass doors blocks the opening, keeping the warm air from leaving the room. Aside from keeping the warm air from escaping, the doors act to keep the hearth clean just as a fireplace screen used to do in the olden days. With the doors closed, ashes and embers dont scatter about the room, keeping the carpet or rug clean and scorch-free. The doors also have built in devices that divert air towards the bottom of the fireplace. These vents make the fire burn brighter and easier to light.
There are three different styles of gas fireplaces: the direct vent model, the top vent design, and the vent-free model. The direct vent gas fireplace uses two vent pipes that lead directly to the outside. One pipe uses combustion air from the outside while the other vents the exhaust gas. The top vent gas fireplace design can be installed into existing fireplaces and uses the metal or brick chimney as the exhaust vent. The combustion air for top vent fireplaces is drawn from inside the home while the chimney vents the exhaust gas. The vent-free gas fireplace model uses no exhaust vent. This style includes an oxygen-depletion sensor that turns off the gas if it senses a dangerous lack of oxygen inside the house. While fireplace manufacturers claim that vent-free fireplaces burn clean, are energy-efficient and dont threaten indoor air quality, be aware that a number of states do not permit the installation of vent-free fireplaces. In the New England states of New Hampshire, Massachusetts, Vermont, Maine and Connecticut installation of vent-free gas fireplaces is permitted. Massachusetts has in the past not authorized the installation of vent free gas fireplaces for safety reasons.
The first rule for any fire to burn in an efficient way, is what type of fuel are you burning? For a wood-burning fireplace to burn well you need to burn good quality, dry seasoned wood. When you burn quality seasoned wood the fire will burn cleaner, hotter and increase your fireplace efficiency. You may say I am already using good quality seasoned wood to help my fireplace burn well, but I still want my fireplace to improve its efficiency. There are still several other things that you can do to improve the efficiency of your fireplace another 25% or more. Every and I mean every fireplace should have a glass-door installed on it, if only for safety reasons, installing a glass door is one of the best ways of improving your fireplace efficiency for a very small cost. You might be thinking that if I put glass-doors on my fireplace the heat will stay behind the glass and just go up the chimney.
This is not the case, heat from your fireplace will radiate out through the glass even if the glass-doors are closed, so a good way to use your glass-doors is to burn the fireplace with the glass-doors open and the safety screen closed. In this way you have all the beauty and ambience of your fire before you. If your fireplace is equipped with outside air or make up air you can also burn the fireplace with the glass doors shut and the safety screen open, in this mode you will be able to see your beautiful fire and feel the radiant heat, but not be losing any of the air in the room up the chimney. Make up air or outside air can be installed on most fireplaces if you dont have it in your fireplace now. These two things will also overcome the reasons that some fireplaces smoke, and also why your fireplace has a drafty smokey smell to it when it is not being used. Just for those two reasons every fireplace should have glass-doors installed on them.