How To Work A Fireplace Damper?

Should fireplace damper be open all the way?

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.

How do you use a fireplace damper?

How to use the fireplace damper to control the fire

  • Open the fireplace damper all the way when starting a fire.
  • Let the fire burn for a few minutes then adjust the damper so that it is partially closed (about half way) to see how it affects the fire.

How do I know if my damper is open or closed?

Perform a visual check.

Using a flashlight, poke your head inside the fireplace to look up into the chimney. If you have a throat damper, you can tell if it is closed if you see a barrier above your head. If you can see up into the flue, the damper is open.

When should I close the damper on my fireplace?

Close Fireplace Damper When Fire Is Completely Out.

If necessary to keep the fire burning well and smoke-free, you may adjust the damper into a semi-open position. Shut the damper when the fire is completely, absolutely out. That means ashes are cool to the touch even when stirred.