As temperatures rise, people are finding new ways to reduce the rise in energy bills. It can take creativity to keep a home cool without relying solely on air conditioning. That's why solar window ...

As Britain rides out its third heatwave of the year, the cost of running fans and air conditioning is mounting for those with them. Meanwhile, those without cooling devices may be glad to skip the ...

You don't need to call an electrician. Gradient's 120-volt All-Weather Heat Pump is easy to install on your own and plugs into a standard outlet. The Gradient All ...

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 heater design I can put in the window for ...

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 ...