Dear Ken: I've moved into a townhouse with a crawl space. Why would the builder put the furnace and water heater in there ... but it also makes you go down there and take a look around.

Q: I live in a 26-year-old ranch home over a crawl space ... tank on the cold water line at the water heater or to install a shock absorber valve near the noisy appliance. Sometimes hot water ...

He knows there are water runoff issues at the front of the house that may be contributing to this, including a large porch roof with no rain gutters. Crawl space moisture problems often go ...