Q : I see tips all the time on reducing a home's water use, and I think that's a great thing to do, but I'm mostly interested in lowering our use of hot water in particular. It's that double whammy of wasting water as well as wasting the power needed to heat the water. What suggestions do you have for specifically using hot water more efficiently?

A : If you're a homeowner, I don't have to tell you how much water ra...