The typical range for chimney cap costs is $75 to $1,000 with a national average of $300. Cost factors for chimney cap installation can include material, size, shape, type, labor, and seasonality.

Q. We had a chimney cleaning service inspect our chimney and they suggested that we install an insulated flexible aluminum flue liner in our chimney connected directly to our gas water heater vent.

Q: Not long ago you answered a question from a reader about fireplace chimneys. You talked at length about dampers but you did not mention the need for a chimney liner. My house is 1906 vintage, and a ...

Where to start with chimneys? Probably here: A chimney is not just an elongated window, not just a portal from inside to outside with deep, brick sills. A chimney, in fact, is a machine for generating ...

A heavy layer of creosote or a damaged flue, chimney cap, or flashing can decrease a home’s energy efficiency by allowing cool air to circulate freely. Similarly, if the flue is blocked, there won’t ...

Q: Our house has an unusual chimney made with irregular stones. The existing cap is in poor shape. What’s the best way to install a cap on a masonry chimney? A: The chimney cap I’d build would be a ...