Can you close the flue on a gas fireplace

As a general rule, if you have a gas log fireplace, you should never close your flue when in operation. If the fireplace is not operating, but the pilot light is lit, you should not close your flue.

Should gas fireplace flue be open or closed?

The damper should always be fully open before lighting a fire and when the fireplace is in use. Close it when it’s not it use. … The damper should be kept open until all embers are finished burning to prevent smoke from escaping into the home. When the fireplace is not in use, the damper should always be closed.

When should I close my flue gas fireplace?

Those gases contain carbon monoxide. Therefore, while it’s great to save energy by closing off the damper inside a fireplace, be sure to do so in a safe manner. Do not close a fireplace damper until the fire is completely out.

What happens if fireplace flue is closed?

A closed throat damper will cause smoke to fill your house immediately when you start a fire. If you have a chimney with a closed top-mount damper It might take a few minutes for smoke to start filling the house, but you will eventually notice that there isn’t enough airflow.

Does gas fireplace need flue?

Do Gas Fireplaces Need A Flue? Natural vent gas fireplaces may not have a flue but will use the existing chimney flue to vent waste air from a home. Direct vent gas fireplaces will need a flue that vents air directly out of a home, and ventless gas fireplaces won’t need any form of flue.

Can you get carbon monoxide poisoning from a gas fireplace?

Yes, gas fireplaces are one potential cause of carbon monoxide poisoning. … An improperly maintained or ventilated gas fireplace can create incomplete combustion, creating carbon monoxide, and causing this toxic gas to linger—putting those inside at risk of carbon monoxide poisoning.

Do you need to open the damper on a gas fireplace?

The damper in a gas fireplace should remain open all the time. The glass between the firebox and your home prevents cold or heat from coming down the chimney and by leaving the damper open at all times, you eliminate the risk of having gas build up or backdraft into your home.

Can you close the damper when pilot is on gas fireplace?

If you have installed gas logs in your fireplace, the damper should never be closed. If you have a pilot light constantly burning under your gas logs, shutting the damper puts you, your family and your pets at severe risk of carbon monoxide poisoning.

Is it bad to leave the flue open?

The smoke from burning wood contains carbon monoxide, so in order to prevent this toxic byproduct from entering your home, it is important to leave the flue open overnight. This enables a draft to carry the compound out into the atmosphere, instead of sinking down the chimney and saturating the room.

Should fireplace damper close all the way?

crutschow said: It prevents the loss of heat up the chimney (since a chimney is designed to draw warm up and and away) so you want the flue damper to close tightly when the fireplace is not in use.

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Is a damper and flue the same thing?

A damper is located in the flue of your chimney. The flue is where the smoke escapes when the fire is going. Dampers are placed inside of the flue to help control ventilation. Your damper should have a chain or handle that you can access in order to open and close it.

Do you need to open a window when using a gas fireplace?

Your gas fireplace can introduce large quantities of water vapor inside your house while it is burning. Water vapor is a large by-product of burning natural gas. So opening a window can help introduce oxygen and fresh air.

Can you close the glass doors on a gas fireplace?

Can the glass doors on my fireplace be closed when my gas logs are burning? No. You must leave the doors open when you are operating RealWood Elite gas logs to avoid damaging the controls.

What is the damper on a gas fireplace?

A damper stop is a piece of metal designed to ensure that the flue of a gas fireplace always remains partially open. With a traditional hearth fireplace, the damper is opened or closed when the fireplace is in use.

How do I know if my gas fire is leaking carbon monoxide?

1. You see black, sooty marks on the front covers of gas fires.
2. There is heavy condensation built up at the windowpane where the appliance is installed.
3. Sooty or yellow/brown stains on or around boilers, stoves, or fires.
4. Smoke building up in rooms.

Should you open a window when you have a fire in the fireplace?

Open a window when using the fireplace to prevent the room from becoming smoky. … The window needs to be open only a few inches. You can check to make sure the smoke will go up the chimney properly by lighting a match, quickly blowing it out and watching the smoke to see whether it’s going up and out.

Can gas fireplaces cause headaches?

#3 The smell of burning gas The smell of burning gas can cause sensitivity, headaches, and other issues in some people. This can especially be the case with vent-free gas logs. These types of logs don’t have a chimney or vent to remove the fumes produced by the fire, so the smell is typically stronger.

How do you close a fireplace flue?

If there’s a lever, move it side to side or up and down to release it before sliding it horizontally. This motion will cause the damper to slowly lower in to the closed position, so the lever will remain loose. For pull chains, pull the longer one to extricate the damper and the shorter to close the flue.

Can you keep a gas fireplace on all night?

The short answer is this: gas fireplaces that are fully vented and have safely and properly sealed glass fronts are fine to be left alone to run continuously.

Why do people close off fireplace?

Poor air quality and the health risks (nausea, irritation, headaches, allergies, fatigue, and other illnesses) are just some of the dangers of having an operable chimney. Blocking it off permanently increases your home safety overall against other issues such as mold, fire, rodents, and more.

Is the damper open or closed?

Before lighting a fire, you can tell if the damper is open by placing your hand into the fireplace. If you feel a draft coming down the chimney, it is a good indicator that the damper is open. If you don’t feel any cold air coming down the chimney, it means that the damper is closed.

Do I need a flue damper?

Flue dampers are required on double door stoves when burned with doors open and screen in place. The damper then becomes your only control to slow the fire. It’s good to have one on any stove in case while loading you get a log stuck and can’t shut the door right away while you fight it.

How long after a fire can I close the flue?

A fireplace damper should always be kept open while the fire is burning. Furthermore, keep the damper open until all the embers are done burning. Smoke and dangerous carbon monoxide can enter the house. Once the ember bed is completely out, close the damper.

Do all chimneys have a damper?

Every Fireplace has a chimney damper. This is a movable plate that sits above the fireplace before the flue. If you pull the lever toward you, generally that will open most of the dampers. When the damper is closed, it helps to keep heated air from going up the chimney.

Do gas fires smell?

New gas fireplace logs typically have a break-in period during which they can smell strongly. This will go away after the first three or four hours of use and is not cause for concern. Other things that can cause more persistent gas fireplace odors include: Pet hair, dander or dust.

Can a gas fireplace make you tired?

Gas fires can trigger sleepiness as well, though their effect is more muted than that of an open fireplace. Unlike open fireplaces, gas fires provide the atmosphere of a fire without as much warmth.

Do ventless fireplaces give off carbon monoxide?

Ventless fireplaces produce small amounts of nitrous dioxide and carbon monoxide which can be deadly in large doses. … In addition to carbon monoxide, ventless fireplaces also produce a high levels of water vapor. The increased level of water vapor in the home will increase humidity, increasing the risk of mold growth.

What is the purpose of glass doors on a gas fireplace?

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. (Doors should be open when burning a moderate to large fire or when burning gas logs.)

Can you close the doors on a fireplace?

Fireplace doors should always be kept open while a fire is burning. Doors can only be closed if there is no fire burning.

Does the glass on a gas fireplace get hot?

“While gas fireplaces, stoves and inserts are a great asset to any home, the glass can become very hot during operation and stay hot long afterwards, creating a potential burn hazard,” said Jack Goldman, president & CEO of HPBA.