Following the first energy crisis in 1973 there was a rush to heat homes with the sun. It was a tinkerer's paradise, with all manner of solar heating systems migrating from garage workshops to ...

As I discussed in last week’s column ("Resilience: Dramatically Better Building Envelopes," Jan. 4), a resilient home is extremely well-insulated, so that it can be kept warm with very little ...

Heating houses is a major energy suck. Behind passenger cars and trucking, it’s the largest energy draw in the United States. But it turns out homeowners looking to stay warm don’t need to rely just ...

Now that the winter solstice, the shortest daylight day of the year, is behind us I’m reminded of how important it is to let the sunshine into our lives. There are many benefits to having large ...

The author’s home boasts numerous large south-facing windows that enable passive solar heating of the entire house, even in single-digit temps. In the early 1980s, an American energy crisis had passed ...

Q. I feel the sun shining in a living room window and it's very warm. My budget is pretty tight, but I want to make or install something to capture that heat and lower my heating bills. What do you ...

Australian households are using innovative environmentally-friendly practices to save an estimated $3bn a year on energy ...

Passive solar architecture is a design strategy that optimizes a building’s energy efficiency and long-term sustainability. By relying on a building site’s solar orientation and climate, sustainable ...

Switch to solar with a system built for you. Solar water heaters work by absorbing sunlight in solar collectors and saving the heated water in a storage tank. Both active and passive solar water ...

Researchers from the Solar Energy Research Institute (SERI) at the Universiti Kebangsaan Malaysia have developed a new passive technology to keep solar panels cool. They claim their new tech can ...

Renewable energy technologies are advancing. However, building inefficiency, HVAC loads and the urban heat island effect ...