bomba de calor

After nearly two years of preparation, teams of architecture and engineering students will soon open the doors on a cluster […]

A Holland engineering company has designed a heat-absorbing road that bridges winter and summer. Road Energy Systems: using summer sun

Team Germany’s winning SurPlusHome (Credit:Department of Energy) A high-tech building covered on all sides with solar cells has won an

There’s a movement afoot to make homes greener, but the impact will be limited if only wealthy people can afford

BOSTON–The cutting edge of building science these days seems to be more about expanding foam than solar power research. Last

Combination dehumidifier and water-purifier WaterMill creates up to 13 quarts of water a day. (Credit:WaterMill) Summer has officially come to

Last month, I joined about 40 other volunteers, armed to the teeth with materials to weatherize a two-family home. Despite

If you ask Andy Kruse, the CEO of wind turbine maker Southwest Windpower, about technology, he’s more likely to talk

Small wind turbines attached to individual homes work fine unless you have lousy wind. That’s the upshot of a multi-site

Clothes dryers are the second biggest hog of household energy, according to the Department of Energy. Most are so similar

The Richmond Saunas in rural Richmond Corners, Maine — about 40 minutes up Route 295 from Portland — are heated

Photos: Getting your green on for Earth Day Let’s see what we can do for energy saving for more green