Cheap Hot Water? Just Add Sunshine - WSJ.com

Here's a way to potentially use some of that great sunshine of ours to save energy. These systems aren't always cost effective, but when you look at what energy is likely to cost in a few years, they could just make sense.

Cheap Hot Water? Just Add Sunshine - WSJ.com

Of course, systems with the same good intention were installed on many homes in the 1980's (throughout the 400 townhomes and courthomes in Manhattan Village for instance), and served only to cause leaks and headaches. The technology is now 25 years newer, though, and perhaps another look is warranted. - David