How much should the fireplace damper be open?

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. Operating the fireplace with the damper partially closed will not generate more heat. Instead, blocking the passage through the flue will result in smoke entering the home.
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Should damper be open all the way?

A fireplace damper should always be open all of the way when starting a fire, and usually always open throughout the length of the fire. A flue damper should be opened all of the way when opening a stove door to add further fuel to the fire, to help prevent any smoke from pouring out of the stove and into the room.
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Does fireplace damper need to be open?

A fireplace damper should always be kept open while the fire is burning. Furthermore, keep the damper open until all the embers are completely out; since smoke and dangerous carbon monoxide can enter the house. Once the ember bed is entirely out, close the damper.
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When should you close the damper on a 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.
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Can you partially close the damper on a fireplace?

No. The damper must be in the fully open position when using a wood-burning fireplace. Partially closing the flue (chimney) damper can cause smoke to spill into the room when burning wood, or cause carbon monoxide (CO) to come into the room when using gas logs.
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Basic Home Improvements : How Do You Open a Fireplace Damper?



Can you leave damper open overnight?

Leave the damper open overnight. Yes, you will lose some heat up the flue, but you will save the occupants of the home from poisoning by colorless, odorless carbon monoxide.
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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.
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What happens if damper 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.
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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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How do I get more heat from my fireplace?

Fortunately, there are several things homeowners can do to maximize fireplace heating efficiency:
  1. Install a Glass Fireplace Door. Installing a fireplace door is an effective and inexpensive solution to get more heat out of your fireplace. ...
  2. Use a Fireback. ...
  3. Upgrade Your Fireplace. ...
  4. Use the Damper to Turn Up the Heat.
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Should damper be open or closed in summer?

Even if you have a chimney cap, it is a good idea to keep the damper closed in the summer. Chimney caps can become damaged creating a pathway for rainwater or pests to get into your chimney. Closing the damper will ensure that they can't get into your home through the fireplace.
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Does cold air come down the chimney?

When a fireplace isn't in use, cold air from outside can come down the chimney into the home, and warm interior air can escape up through the flue.
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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.
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Can fireplaces cause carbon monoxide?

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.
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How does a chimney flue damper work?

A chimney damper is a manual mechanism that controls airflow and smoke through the chimney flue. A closed damper acts as a seal that keeps the exterior air out and the interior air in. In contrast, an open one sends carbon-monoxide-rich exhaust through the flue and also assists in starting and controlling a fire.
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Do fireplaces really heat a house?

Can a Fireplace Really Heat Your Home? Absolutely! And many houses already have a fireplace. It's just a matter of using it to bring some much-desired warmth into your home.
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What is the purpose of glass doors on a fireplace?

Glass doors actually help your fire burn better. By enclosing the burning area, firewood is able to burn greater and produce more heat. The glass doors also absorb and radiate heat into the room better than a fireplace without doors.
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How do you make logs burn slower?

If you are finding that your fire is burning fast and is therefore extinguishing quickly, you need to restrict the air into the chamber. Simply start closing the vents off once you add your logs (without completely shutting them down) and your fire will burn slower which means it will last longer.
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Should the damper be open or closed on a gas fireplace?

wood or gas . . . . always fully open the damper. If you're burning wood, keep it fully open until all the burning embers are completely burned out. If it's a gas log set, turn off the flames before the closing the damper as far as possible.
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How do I know if my fireplace is open or closed?

Check for a draft

Stick your hand near the opening of the fireplace. If you feel air breeze against your hand, then it's safe to say that the damper is open. If there's a clear absence of a draft, then it's closed.
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How do I control the airflow in my fireplace?

Close the front damper slowly and observe the smoke escaping from the chimney. When the smoke becomes darker or more noticeable, open the damper slightly until it clears again. On modern stoves with two front dampers, make the initial adjustments to the lower damper only to control airflow to the fuel supply.
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What is the knob at the bottom of my fireplace?

A fireplace damper is a metal plate or cap that sits inside or on top of your flue. It blocks off the airflow when it's closed and lets air through when it's open. Air can flow both ways, so outside air can come into your home and the heated air from your home can escape through an open damper.
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Should I close the glass doors on my fireplace?

The doors should always be fully open or fully closed. Glass doors should be fully open when starting a fire and when the fire is burning strongly. The glass doors should be closed as the fire dies down to minimize the amount of room air going up the fireplace chimney.
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