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Recent Examples of flueThe second is to close the flue in your fireplace.—
Derek James,
CBS News,
18 Nov. 2025 Close the chimney flue to prevent drafts, moisture, or curious critters from sneaking in.—
Jalen Williams,
Freep.com,
12 Nov. 2025 If the fireplace is never used, plug and seal the chimney flue.—
Marina Johnson,
Louisville Courier Journal,
29 Oct. 2025 An inspection also calls attention safety issues that require repairs, like cracks, a deteriorating liner, or problems with the flue or chimney cap.—
Brandee Gruener,
Southern Living,
20 Oct. 2025 See All Example Sentences for flue
If that process were adapted to store CO2 in the earth forever, then billions of tons of carbon emissions could, in theory, be captured from smokestacks and buried.
—
Maddie Stone,
ProPublica,
25 June 2026
Thick, black smoke and occasional flames spewed from the Moscow Oil Refinery amid its red-and-white smokestacks on the southeastern edge of the city, about 15 kilometers (9 miles) from the Kremlin.
This is just the price that is paid for the adventure in the air duct.
—
Padgett Powell,
Harpers Magazine,
30 June 2026
But in reality, closed or blocked vents disrupt the airflow balance and can cause pressure to build up in the duct system, making the blower work harder.