Q: Our 1920's era house originally had a steam or hot water heating system. In the 1970’s that was replaced by a forced air furnace, which we upgraded in 2003. We added air conditioning in 2005. The ...

Q. With the deep winter snow we had last season, the air intake for our furnace plugged up. I had to separate the pipe from the furnace and let already-heated house air be used in the furnace rather ...