According to This Old House expert, John Wagner,
an open fireplace damper lets out the same amount of heated air as a wide - open 48 - inch window.
Fireplaces
Open the fireplace damper before lighting and keep it open until the ashes are cool.
Not exact matches
Get your
fireplace ready: To avoid fire and smoke damage make sure that the
damper opens and closes properly.
the
fireplace and wood stove, and
open and close the
damper door, if accessible and safe to operable;
For instance, the
fireplace's flue allows smoke to move through the chimney, and the
damper is an
opening you can adjust to control the intake of air and temperature of the fire.