Q. This week: Is there any way to reline or replace metal heat ducts under a concrete slab floor without tearing up the floor? We had our ducts commercially cleaned five years ago, when we were having ...

Out of sight, out of mind certainly applies to your home’s duct system. As long as warm air is coming out of the registers when you turn your furnace on, everything must be just fine with the system, ...

Q: Our house does not heat evenly. It is a 160-year-old Greek Revival structure. It has two stories in the center and a one story wing on each side. There is a basement under the center two-story ...

Q. The heating ducts in our basement are exposed, and I know a lot of heat that I’d like to have upstairs is being lost moving through the ducts. The main duct is large and rectangular and runs almost ...