In the summer when you want to stay cool an open damper will push the warm outside air down into your living space and suck the cooled air up out through the chimney.
Fireplace damper open or closed in summer.
And the drafts will counter the effect.
This can be especially bad during the hot humid months of summer if your chimney has significant creosote buildup.
An open damper can also allow.
Hot and humid summer weather is notorious for creating chimneys odors especially those caused by creosote buildup.
Operating the fireplace with the damper partially closed will not.
Leaving the damper open removes the barrier between your chimney and the rest of the house meaning chimney odors are more likely to seep through your home.
Close it when it s not it use.
Fireplaces with gas logs the only instance when you should leave your fireplace damper open during the summer is if you have gas logs in your fireplace.
Closing your fireplace s damper during the spring and keeping it closed all summer is smart.
A closed damper also stops cold drafts from coming down the chimney.
A fan on exhaust will pull that odor through the house.
Again this is the opposite of the truth.
Another common myth about dampers is that leaving them open during the summer helps air out the chimney.
The damper should always be fully open before lighting a fire and when the fireplace is in use.
If you haven t done so already here are a few reasons why you should close your fireplace damper in the summer.
Don t forget we do gas log repairs adn service for you.
When you are using your fireplace it needs to be open so that smoke can vent outside.
By leaving the damper open chimney odors are more likely to be noticeable throughout your home.
Give yours a check to see open or closed it can help save money during winter keeping it closed when not in use.
Keeping your damper open does not air out your chimney.
Another common myth about dampers is that leaving the damper open during the summer helps air out the chimney.
If the damper is closed when a fireplace is in use smoke and gases will enter into the room which can be a potentially serious health hazard if not dealt with quickly.
When you aren t using your fireplace it should be closed to prevent heated and cooled air in your home from escaping.
This is not true for every fireplace some especially pre fab type the damper is either open or closed.
The damper is a vent that controls airflow in and out of the chimney.
Have a good summer and see you in the future.
A closed damper will prevent twigs leaves rainwater small animals hot air from coming into your home.
Some chimneys have a top closing damper that covers the entire flue.
Again this is incorrect.
An open damper in the summer time allow hot air from outside to come right down the chimney and into your home reducing your heating and cooling bills.
Leaving glass doors open or damper open allows down drafts that smell like fire permeate the house.