There are some basic building principles that, when applied correctly, can greatly reduce the energy required to keep a home (or any building) warm in winter and cool in summer. Once applied, these ...

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. There isn’t a strict definition for what makes a home "solar" — it just has to use energy from the sun in some capacity. If you’re building a new home, it ...

What is passive solar energy, and how can passive solar be incorporated into energy efficient home designs? A natural builder shares tips on building an energy-efficient home. To me, the art of ...

Completed over the span of four years, Haus B is a passive solar home that is a contemporary departure from the housing norm of the 1960s suburban neighborhood in which it resides. Located in Dreieich ...

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 ...

Sonya Newenhouse’s Wisconsin-based, 968-square-foot passive solar home is 80 percent more energy-efficient than the average U.S. home. Building a home with near-zero winter heating costs may sound ...