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 ...

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.

This multiple-part article series will discuss the basics, codes and standards, and the science behind chimneys. It will show how back drafting affects chimney performance, while explaining the ...

Water is a byproduct of combustion. If the proper venting of flue gases is neglected — as is so often the case, unfortunately, in our industry — water in the form of condensation triggers serious ...