Rosanne is an interior design and home improvement writer with 8 years of experience. During that time she has worked with numerous businesses and publications. Rosanne has been with Forbes Home for ...

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 new high-efficiency furnace you’re installing might come at a high price: a buildup of carbon monoxide around the water heater or condensation in the chimney. The source of the problem is what ...