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Varies from make to make, model to model. You need to check with the company that made yours.

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Q: How hot does the exhaust flue get on a gas fireplace insert?
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Do I open the flue for a gas fireplace?

When burning the firplace, flue must be open to avoid death/ illness from carbon monoxide.


Can a gas fireplace and a furnace share a chimney?

If both fireplace and furnace are BOTH gas, if the flue has the correct size, AND if your building code permits, yes. If furnace and fireplace are different fuels, no. Check with your local building inspection department.


When installing double wall flue pipe?

What is the clearance around a zero clearance fireplace flue pipe inside of the surround that you build assuming it is double wall or type L since there is a gas log in the old surround.


How much does it cost to convert a wood burning fireplace to a gas fireplace?

It is not as bad as you think, the most difficult part is deciding whether to keep it as a gas fireplace or a wood burning fireplace with a gas lighter; so you can have both. Decide the gas to be used, Natural gas or LP (pretty much determined by what is already available) The fireplace itself needs little modification except the gas supply and available electrical circuit (depending what type/style gas fireplace you want.) If you decide on gas with artificial logs, then running black pipe to copper lines is all you need. If you are going to burn gas and use wood then run black pipe throughout (remember to use a cement product, for high heat, to seal any new whole in the fireplace.) Note: Either way you decide thoroughly clean the chimney and fireplace and inspect the doors, damper, flue, and look for cracks in the fireplace. I mention this because it is probably the last time you will need to do that. I have converted fireplaces in both ways; gas to wood burner and wood burner to gas. The insert is the biggest expense you will have, you can easily spend $600 on just those parts; not installed. And please don't forget to install and easily accessible gas shutoff valve.


Can you convert a regular metal fireplace into a ventless if you close the flue and layer refractory cement to seal the chimney?

If you mean a ventless GAS fireplace, I would urge you to check with your local building inspector. Those have a specific design so that you do not die from carbon monoxide, and there is more than just sealing the flue. If you mean to burn solid fuel (wood, coal), NO.

Related questions

What is the meaning of flue gas?

Flue gas is a type of exhaust gas that exits the atmosphere through a pipe often called a flue. Flue gas can be seen exiting power plants, a fireplace, oven, boiler or steam generator.


Do you loose heat in a gas fireplace when the flue is open?

Is this an insert into a previous wood burning fireplace? Direct vent or vent free? BTUs?


What is a vented fireplace?

Usually refers to a gas fireplace, since wood fireplaces are vented by the flue (chimney) Gas fireplaces can be vented (flue) or unvented (no flue)


Do I open the flue for a gas fireplace?

When burning the firplace, flue must be open to avoid death/ illness from carbon monoxide.


Should you close your flue when using a gas fireplace?

No. The flue must be open to allow the carbon monoxide to escape from the house.


Should you close flue when gas fireplace not in use?

Yes- but open before use.


The gas fireplace has left a black residue on your ceiling tile and fireplace how do you remove this?

I have a black film on my ceiling and all walls around the house everytime I use my firepace, I do have the flue open. What causes this black residue from my gas fireplace?


Can a gas fireplace and a furnace share a chimney?

If both fireplace and furnace are BOTH gas, if the flue has the correct size, AND if your building code permits, yes. If furnace and fireplace are different fuels, no. Check with your local building inspection department.


How do you convert a wood burning fireplace into a gas fireplace?

first off you need to turn off the gas then, cap the gas line then remove the gas line and the vent pipes up in the chimney, then remove the insert or gas log, then install damper doors, put on a suitable door to the fireplace, and put a basket in the fireplace to hold the wood The above paragraph assumes that the fireplace was originally a wood burning fireplace that was retrofit to accommodate a gas fireplace insert and in that circumstance the information is accurate. However, if the fireplace was originally designed as a gas appliance it cannot be converted to solid fuel ( wood ).


Can you put an electric insert in a propane fireplace?

Not a good idea. People that designed your gas fireplace did not design it to have a separate heat source in there with the gas piping and controls.


What do you do after discovering your gas fireplace flue was closed during use?

I would have a gas applaince service rep examine the fireplace, and insure that no parts were damaged due to high heat- and leave a note for self to remember to open damper next time.


Why doesn't smoke fill the entire house when a fireplace is lit?

The hot air from the fire is less dense than the rest of the air in the house, and is pushed upward into the flue. As the flue fills with hot less-dense gas the pressure difference expelling it increases, and it draws additional hot gasses (smoke) into the flue as the column of gas in the flue rises. When the hot gas exits the flue, its still less dense than the air around it and continues to rise away from the house.