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Do You Have To Open The Damper On A Gas Fireplace? The 20 Latest Answer

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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.somewhat like the way a gas range in a kitchen works. Since there is little or no exhaust, they can be burned with the damper closed. The beauty of this type of system is that 99.9% of the heat produced by the gas logs goes into the room, so they produce substantially more heat than their vented counter-parts.Our research shows that the flue on a gas fireplace should remain open during use or when the pilot light is lit. If the flue is closed in either instance, you risk a greater chance of carbon monoxide poisoning or a spark induced structure fire due to a buildup of toxins emitted by propane or natural gas burners.

Do You Have To Open The Damper On A Gas Fireplace?
Do You Have To Open The Damper On A Gas Fireplace?

Table of Contents

Can you run gas fireplace with damper closed?

somewhat like the way a gas range in a kitchen works. Since there is little or no exhaust, they can be burned with the damper closed. The beauty of this type of system is that 99.9% of the heat produced by the gas logs goes into the room, so they produce substantially more heat than their vented counter-parts.

Should gas fireplace flue be open or closed?

Our research shows that the flue on a gas fireplace should remain open during use or when the pilot light is lit. If the flue is closed in either instance, you risk a greater chance of carbon monoxide poisoning or a spark induced structure fire due to a buildup of toxins emitted by propane or natural gas burners.


Should the damper be open or closed on a gas fireplace?

Should the damper be open or closed on a gas fireplace?
Should the damper be open or closed on a gas fireplace?

Images related to the topicShould the damper be open or closed on a gas fireplace?

Should The Damper Be Open Or Closed On A Gas Fireplace?
Should The Damper Be Open Or Closed On A Gas Fireplace?

Should damper be closed with gas logs?

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.

Should the damper be open or closed?

The fireplace damper should always be in the open position whenever you have a fire in the fireplace. Never close the damper or leave the fireplace unattended while there is a fire in the fireplace. This is not only a fire hazard, it can also cause deadly carbon monoxide poisoning.

How do I stop my gas fireplace from getting cold air?

One way to help minimize the draft is to install glass doors on the front of your fireplace opening. These glass doors will still radiate heat throughout the room, but will not allow the open flue to let in the cold draft. Another great solution for preventing these drafts is to install a direct vent gas insert.

Should you 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.

How do I get more heat from my gas fireplace?

How to Get Maximum Heat Output From Your Gas Fireplace
  1. Setting thermostat to the maximum value.
  2. Ensuring flue damper and fireplace are well sealed to prevent warm air from escaping.
  3. Using a blower to spread warm air evenly throughout the room.

See some more details on the topic Do you have to open the damper on a gas fireplace? here:


Should You Open the Flue on a Gas Fireplace? – HVACseer …

The flue damper handle (or lever, depending on the style of gas logs you have) should be marked to indicate “open” or “closed.

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Gas Fireplace: OK to Close Damper? – The Money Pit

TOM: All the way open. Absolutely. Because you’re burning – you know, you’re burning natural gas; that’s going to convert to carbon monoxide. You’ve got …

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Do Gas Fireplaces Have Dampers?

Chimney dampers will need to be open in order for a natural vent gas fireplace, or any other gas fireplaces that utilize a chimney for …

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Fireplace Tips – How to Conserve Energy at Home

One caution, though: Fireplaces with installed gas logs are required to have the damper open at all times. That’s either because a pilot light is constantly …

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How do I know if my gas fireplace is vented?

A vented fireplace has attractive yellow and orange flames that lick upward around the sides of the ceramic logs. An unvented fireplace, by contrast, has much less striking flames. These flames tend to be smaller and bluer. As a result, an unvented gas fireplace won’t create quite the same illusion as a vented one.

Should damper be open or closed in winter?

In most homes, dampers going to the upstairs are open in the summer and closed in the winter. By closing the dampers to the upstairs in the winter, it allows for the heat to rise naturally after first being introduced into the lower levels of the home.

Can a gas fireplace cause carbon monoxide poisoning?

Yes, gas fireplaces are one potential cause of carbon monoxide poisoning. While there are many potential sources of such exposure, including certain appliances and devices, motor vehicles and wood stoves, gas fireplaces are a common culprit.

How much should damper be open?

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. An open damper is like an open window, allowing large amounts of heat from the home to escape.


Basic Home Improvements : How Do You Open a Fireplace Damper?

Basic Home Improvements : How Do You Open a Fireplace Damper?
Basic Home Improvements : How Do You Open a Fireplace Damper?

Images related to the topicBasic Home Improvements : How Do You Open a Fireplace Damper?

Basic Home Improvements : How Do You Open A Fireplace Damper?
Basic Home Improvements : How Do You Open A Fireplace Damper?

When should I close the damper on my fireplace?

You should close the damper on your fireplace once the fire and embers have all burned out. This prevents warm air in your house from escaping out the chimney. You should open the damper before lighting a fire and close it once the fire is done burning.

What is the purpose of a damper?

A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control.

Can you close the glass doors on a gas fireplace?

The glass doors should be closed as the fire dies down to minimize the amount of room air going up the fireplace chimney. When burning gas logs in a wood-burning fireplace, the glass doors should always be fully open when the gas logs are burning.

Why does my gas fireplace have a damper?

Because gas-log fires produce copious amounts of carbon monoxide, they have to vent outside in a fail-safe manner. That’s why there is, or should be, a keep-open device attached to the damper in gas-log fireplaces.

What is a gas fireplace damper?

A fireplace damper is a small door inside a fireplace, usually near the base of the chimney. Typically made from cast iron or other heat-resistant metal (sometimes ceramic), the damper essentially opens and closes the chimney.

What are the 2 levers on my fireplace?

in your home are turned off when burning your fire. Also, some wood burning fireplaces have a lever to open or close the outside air vent to the fireplace. If your fireplace has this lever (usually located on the left inside panel) make sure the outside air vent is in the open (or up) position.

Why is there so much cold air coming from my gas fireplace?

Cold air comes from the gas fireplace when there’s a flue or air intake in the firebox. This is designed to maintain airflow but can lead to cold air coming in. To fix this, find the flue in the firebox, inspect the clamp, and remove it. Now close the flue to make sure air does not come in.

Does a gas fireplace make the house colder?

The standard fireplace is among the most inefficient heating devices you can operate. In fact, it can be so inefficient that in some cases it actually makes your house colder.

Can it be too cold to light gas fireplace?

Cold Weather Can Put a Real Damper on Your Gas Fireplace

When the weather dips below -25C, having your gas fireplace fail to turn on is that last thing you want to happen. And trust us, it happens. With blowing snow, ice build-up and deep-freeze temperatures, the cap on your gas fireplace can become blocked.

Can I leave my gas fireplace on all night?

An overall rule for safe gas fireplace usage is to not let your fireplace—no matter which style—operate throughout the night. Unmonitored gas fireplaces can lead to dangerous, often fatal, outcomes. The two most concerning outcomes of leaving a gas fireplace on for too long are a house fire or a gas leak.


Fireplace Dampers Explained – New Haven CT – Fairfield CT – Total Chimney Care LLC

Fireplace Dampers Explained – New Haven CT – Fairfield CT – Total Chimney Care LLC
Fireplace Dampers Explained – New Haven CT – Fairfield CT – Total Chimney Care LLC

Images related to the topicFireplace Dampers Explained – New Haven CT – Fairfield CT – Total Chimney Care LLC

Fireplace Dampers Explained - New Haven Ct - Fairfield Ct - Total Chimney Care Llc
Fireplace Dampers Explained – New Haven Ct – Fairfield Ct – Total Chimney Care Llc

What’s the difference between a damper and a flue?

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.

How do I keep my fireplace going all night?

11 Ways To Keep A Fire Going In An Open Fireplace
  1. Ensure That The Damper Is Fully Open. …
  2. Warm The Chimney. …
  3. Maintain The Air Supply. …
  4. Build The Fire Correctly. …
  5. Only Burn Wood That Is Dry Enough. …
  6. Burn Room Temperature Wood. …
  7. Burn Hardwood Logs. …
  8. Add A Couple of Logs At A Time.

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