Q: My wife and I recently bought a small ranch that had an old, inefficient furnace in the crawl space. During the fall, we disconnected the old furnace and decided to install a new one in our attic ...

Asha Gowda returned to her Westlake home Wednesday to find her crawlspace under two feet of water and her 74-year-old mother chilly. The furnace had shut down. "It was very cold in here," she said.

Q. My home has a crawl space. About 15 years ago it was sprayed twice for termites. Apparently, I have become sensitive to this substance as I have been noticing an odor wafting up from the cool air ...