A flue directs smoke outside of a home when a fireplace is in use. This duct within your chimney includes a damper that can be opened or closed by a lever or pull chains, in most instances. It's important to keep the flue open when a fire is burning, or smoke will have no where to go but back inside the house. Once the fire is out, it's important to close the flue so the warmth that was created doesn't escape out the top of the chimney. Closing the flue is a simple procedure that only takes a couple of minutes.
Always make sure the flue is open prior to starting a fire so the smoke can exit your home properly.
Written by Jennifer Pinto; Updated December 15, 2018 | Source https://homeguides.sfgate.com/close-chimney-flue-23769.html
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