Dear Jim: I would like to use some free solar heating in a south-facing kitchen. I cannot afford to have a system installed professionally. What type of simple solar heater can I build myself for one ...

Here's the best home energy technology we saw this year, from giant batteries to stained glass solar panels to machines that harvest water from thin air. While electricity keeps all your tech running, ...

A group of scientists from China has developed a novel smart PV (SPV) window that can produce electricity while calibrating the amount of solar radiation entering a building. “Our study proposed an ...

A homeowner took to Reddit's r/heatpumps community to rave about their new, money-saving heat pump window unit. The user reported that the unit heated their bedroom to 70 degrees Fahrenheit even as ...