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.

“That’s too much — no one else even mentioned we’d need an expensive liner — you trying to rip us off here?” Chimneys — you can’t live with them and you can’t live without them — or at least you ...

Q: I think my flue pipe might be loose, is this be something I should be concerned about? A: When was the last time you visually inspected the metal flue pipes or vents from your furnace and hot water ...

Most noncondensing residential furnaces use natural draft to drive the combustion process. Even 80%-AFUE furnaces with combustion blowers are natural-draft furnaces. The combustion blower in an 80% ...