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.

I recently looked at a house that has a brick chimney with mineral deposits on its exterior, apparently the result of moisture condensation inside the chimney. This problem is not uncommon, and may ...

Q: The repairman says I need a new gas furnace. He recommends a super-efficient one because my chimney also needs repairs. What are my options for the best comfort and why is the chimney a factor? – ...

Skipping the manufacturer's instructions during installation may result in a furnace that fails within six months or less. For example, heat exchangers can crack from improper venting, and gas valves ...

Q. My heating bills are getting out of control, so I called a company to look at my furnace. They suggested I buy a new high efficiency furnace. The price was for the furnace and installation using ...

Bob is a service technician who is well trained and nationally certified. However, he sometimes suffers from the same confusion that all technicians occasionally do - the facts that he gathers may or ...

Q. We have had a persistent leak in the ceiling by our fireplace. I read in your column that a saddle or a cricket behind the chimney would help this. We had a new saddle installed but have found that ...