“When most people think of solar energy,” writes Gwendolyn Bounds “they imagine using it to generate electricity—and that’s where a lot of buzz and venture capital investment dollars currently go. But in the average home, harnessing the sun’s free energy for daily hot-water needs can be a more practical and affordable bet. Water-heating is the third-largest energy expense in most households, after space heating and air-conditioning, according to the U.S. Department of Energy. This year, Hawaii began mandating solar water heaters in most new homes, and cold-weather locales such as New York and Colorado are among the state leaders in installations.”
We recommend the full article: Cheap Hot Water? Just Add Sunshine written by Gwendolyn Bounds for the Wall Street Journal.