A flue is a pipe, or opening in a chimney for conveying exhaust gases from a fireplace, furnace, water heater, boiler, or generator to the outdoors. Historically the term flue meant the chimney itself. [1]

The meaning of FLUE is an enclosed passageway for directing a current.

2 days ago · A chimney flue is the vertical passageway built into the chimney structure that serves a single, mechanical purpose. It is the designated exhaust channel, designed to safely remove the …

Professional chimney and fireplace repair services to restore safety, prevent damage, and improve performance. Specialized flue repair and lining systems that enhance safety, improve draft, and …

Flue definition: a passage or duct for smoke in a chimney.. See examples of FLUE used in a sentence.

FLUE definition: 1. a pipe that leads from a fire or heater to the outside of a building, taking smoke, gases, or…. Learn more.

Aug 16, 2023 · Technically, a flue is any open vertical space in a chimney that allows smoke to escape the home from the firebox. But because every chimney's flue must be lined, a chimney liner is usually …

Nov 6, 2025 · Learn everything you need to know about chimney flues to maintain a safe and healthy indoor environment. What Is a Chimney Flue? A chimney flue is a part of the chimney that serves as …

A chimney flue is a duct that runs along the chimney, from the firebox (where the fire is ignited) to the top end of the chimney. Made from metal, clay, or ceramic, a flue is installed inside a chimney to …

More heat is removed from the flue gases, allowing lower temperature materials to be used for vents. Many furnaces and water heaters can now be vented with plastic pipe. All new appliances come with …