Startup GMZ Energy raises $14 million to make materials that convert heat to electricity, including a solar hot thermal product and chips to draw electricity from car exhaust pipes. Martin LaMonica is ...

About 20% of a home’s energy use goes toward water heating, according to the U.S. Department of Energy. If you’re looking to save on energy for financial or environmental reasons, you might consider ...

New England Solar Hot Water specializes in solar hot water for businesses and homes as well as commercial solar for third-party developers. It offers products from Victron Energy as well as ...

A water heater is one of those home appliances that you don't think about until it stops working. However, a water heater can be a major energy eater, whether you're buying one for a new home or ...