This couple built a passive solar home on 18-acres in Shelby County that uses the sun to stay warm year-round and features ...

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 ...

The passive-house building standard relies on lots of insulation and intentional design to use as little energy as possible for heating and cooling. "Things like 'passive house' have become more ...

Q We're hoping to buy a large lot soon and eventually build a retirement home there. Any tips for picking a good site that will let us use many of the passive solar principles you have written about?

Benjamin Banneker High School in Washington, D.C., designed by Perkins Eastman, is LEED Platinum–certified and one of the most energy-efficient high schools in the U.S. (Courtesy Perkins ...