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Top Sealing Damper Repair & Installation

8% of your furnace heat is going right up your chimney.

8% of your furnace heat is going right up your chimney.

How much would it cost you to leave your door cracked open all winter?

Top Sealing Damper in Open Position

Top Sealing Damper in Open Position

You may not realize it, but YOUR CHIMNEY’S DAMPER is probably costing you $200-$300 dollars each year!! Have you noticed that it’s often noticeably colder in the room where your fireplace is? Whether you are having a fire or not, your chimney is constantly drawing warm air into the fireplace and expelling it to the outside…warm air that you paid for!!

Top Sealing Damper in Closed Position

Top Sealing Damper in Closed Position

How would you like to finally “close the door” on this wasteful heat loss for good and eliminate the cold draft around the fireplace? With a top sealing damper, your existing inefficient damper is bypassed, and an air tight seal is formed at the very top of the chimney. Additionally, top sealing dampers are easier to operate than your existing damper. No more bending over with the flash light looking for the damper handle!!

Handle inside fireplace. Pull down to close damper.

Handle inside fireplace. Pull down to close damper.

The top sealing damper’s handle is mounted right in the fireplace, easy to see and easy to reach! Top Sealing Dampers are also the best choice when your chimney’s existing damper is frozen (rusted) open or shut. Tell your chimney sweep that you’re ready to “close the Door” on cold drafts, expensive heating bills and difficult-to-operate dampers by purchasing your top sealing damper today!

Damper Frozen (Rusted) Shut

Damper Frozen (Rusted) Shut

Damper with a Hole Rusted Through

Damper with a Hole Rusted Through

Damper with a Hole Rusted Through

Damper with a Hole Rusted Through

Keeping the crown in good repair is important to the life and safety of your chimney system, so talk to the experts at A to Z about this crucial chimney repair.


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I was shocked by the amount of dryer lint that was cleaned out of my vent…but what really got my attention was the fact that MY DRYER HAD CAUGHT FIRE, AND I DIDN’T EVEN REALIZE IT! This was a little too close for comfort! I’ll be sure to have my vent cleaned on a regular basis from now on, AND to warn my friends and neighbors…Dryers can catch fire, and it could happen to you, too!
~ Bobbie Turner, Roseville, CA
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