Q: Six years ago, we purchased a two-story, gas-heated, centrally air-conditioned home built in 1970. The home had two separate furnaces (one in an unfinished basement and the other in the attic ...

There is a common misconception that it’s impossible to have a furnace — a major component to an HVAC system — installed in the attic due to tight space and minimal access. This is not the case. As ...