What is a throat damper

Throat dampers are the traditional kind and are actually part of the fireplace as opposed to the chimney. They close off the chimney at its bottom, which means the top definitely needs a cap to keep everything out of the chimney. Throat dampers keep the house warmer by shutting out the cold air in the chimney.

How do you get rid of a throat damper?

You can go about removing the frame in several ways. You could either remove the frame by cutting out the metal, or loosening the mortar around the bricks around the frame. If your frame is cast iron, using a hammer will sometimes shatter the frame.

What is the difference between a damper and a flue?

The flue is simply the open middle of the chimney that the smoke goes up. … A damper is intended to shut off– either fully or partially- the chimney flue. The reason you’d want to do that is to keep heat ($$$) from escaping up the chimney.

What is a fireplace throat damper?

Necessary for an energy-efficient home, the damper keeps the heat in and the cold air out of your house, which reduces your heating costs. … Also known as the traditional fireplace damper, a throat damper is installed right above the firebox and is found in many old masonry chimneys.

How do you open a throat damper?

You should turn the knob clockwise, as far as it can go, or push the rod all the way up to open the damper. If there is a metal chain in or besides your fireplace, it means that your chimney has a top-mounted damper. If the chain is tightly attached to a hook, the damper is closed.

How much does it cost to install a damper in a fireplace?

Fireplace Damper Cost and Installation A chimney cap damper costs around $200 to $300, not including the screened chimney cap, which runs between $90 and $120. Professional installation of a new damper will likely run around $200 to $400 for labor, in addition to the cost of the new damper itself.

How much does a damper cost?

The cost for a new motorized damper can range anywhere from $100 to $200. The installation process will take a contractor around two hours and will bring between $150 and $250 in labor costs.

Does closing the damper on a wood stove?

By opening the wood stove damper, it allows air to get into the chimney so the fire can start. If you keep the damper open, the fire will build and the smoke and soot will vent through your chimney. … By closing the damper, it will reduce the oxygen levels in the chimney, and you’ll have a longer fire.

What if my fireplace doesn't have a damper?

A wood board can be designed and cut to fit the opening of the fireplace. This can act as a damper and keep the chimney from sucking out hot air or allowing cool air to flow through the home. Glass doors that have vents can be more expensive but allow for a long-term solution to a physical damper inside the chimney.

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

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 burning under the logs or because the homeowner might forget to open the damper when he or she turns on the fire. … Those gases contain carbon monoxide.

Article first time published on

When should you close a flue?

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.

What is another name for a damper on a fireplace?

The damper, or flue damper, is a small device inside of the flue.

Why does my wood stove have two dampers?

Modern Stoves Open both front dampers completely before starting a fire. Modern, efficient wood stoves have dampers below the firebox, or combustion chamber, to supply air directly to the fuel source as well as an additional damper on the door to supply air to allow combustion of gasses released by the burning wood.

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.

Where is the damper on a fireplace?

What is a fireplace damper? Think of a chimney damper like a lid for your fireplace. It is located in the flue, which is the air shaft through which smoke and air can travel in and out of your chimney, and is located above the firebox where the fire is made, and is in use both when fireplace is active and inactive.

How do you close a flue?

1. Turn off the gas to the fireplace or wait for wood to burn out. …
2. Put on work gloves to keep your hands free of soot. …
3. Push the lever up slightly to disengage it from its support tab and then pull it away from the tab horizontally as the damper lowers into a closed position.

How do I know if my damper is bad?

Check the registers to see if the airflow has ceased. Adjust the damper to the open position and once again check the registers to see if the airflow has resumed. If you feel airflow when the damper is closed, or no airflow when the damper is open, the damper is most likely bad.

How long do AC dampers last?

The quality of the equipment, how frequently you run your HVAC unit, and if you follow regular maintenance schedules can all affect the lifespan of your HVAC components. Dampers can last around 20 years with proper maintenance.

How do dampers work in HVAC?

HVAC dampers work by being situated closer to the mouth of the distribution pipe and will push or hold air from that point as needed. The pressure in the pipe will then redistribute the airflow to whatever zone requires regulating at that time.

Can I leave the flue open overnight?

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.

Why does smoke billow out of fireplace?

A smoking fireplace is the result of chimney draft issues. … The air inside your home pushes air up the chimney, like a vacuum. Good draft conditions allow vented smoke to travel up the chimney quickly, while poor draft conditions can cause smoke to billow back out into your home instead.

Do all open fires have a damper?

Not all chimneys or flues have a damper. Open fireplaces can usually be found with damper located within the upper part of the firebox. It’s common to find a damper as part of an open fireplace, but in some cases there may be no damper at all.

Do all chimneys have a flue?

Technically, a flue is any open vertical space in a chimney that allows smoke to escape the home from the firebox. But because every chimney’s flue must be lined, a chimney liner is usually referred to as the flue, as well. Every wood-burning or gas fireplace has a flue.

Can you have a fireplace without a flue?

Ventless fireplaces, which don’t include a flue or chimney, have been sold in the U.S. since 1980. They’re powered by natural gas, propane, alcohol-based gels, or electricity.

How do I stop the glass on my wood burner going black?

Try burning harder woods like oak, cherry, or walnut, and avoid burning woods known for their higher sap content. If your wood stove has a heat setting, try turning the heat controls up a few notches. Hotter fires will keep your glass cleaner.

Does a wood stove burn hotter with the damper open or closed?

Determine which position is open and which closes the damper for your particular stove. Open the damper all the way, if you are lighting a fire. … If the damper is more than halfway open there will be too much airflow to produce heat, but it will keep a flame raging and consuming wood.

How do I get the most heat out of my wood stove?

To get the most heat from your stove, try burning hardwoods such as ash, hawthorn or yew. The only downside is that as they are denser, they take longer to season than softwoods, often making them more expensive. If it works out better for you, you can buy a large quantity of ‘wet’ logs and season your own firewood.

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.

Is it safe to close the damper on a 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.

Do all gas fireplaces have dampers?

To be up to code, all fireplaces must have a damper. A functional damper opens and closes easily just by using the handle or lever; any damper that requires extra work to move is considered nonoperational and should be repaired. The damper in a gas fireplace should remain open all the time.

Is it OK to go to bed with a fire in the fireplace?

You should never go to sleep while a fire is in the fireplace. It may seem safe—after all, the fire is small and controlled behind a metal grate.