Energy-efficient windows can reduce heating and cooling demand, helping solar-powered homes get more from their panels and battery storage.

Reduce glare and solar heat gain in intense, west-facing rooms with tinted low-E glass packages.

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, ...

Semitransparent solar cells with natural looking color and strong heat blocking offer a realistic way for windows to generate electricity and cut energy use in large buildings. (Nanowerk Spotlight) ...

Researchers in the United Kingdom have developed a smart window that combines switchable polymer-dispersed liquid crystal with integrated PV cells, offering controllable transparency and electricity ...

Dear Jim: I have a room that is chilly. It faces south, but has only one small window for the sun to shine in. Is there any inexpensive simple-to-build solar heaters I can put in the window for more ...