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 ...

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 ...

John Avenson fell in love with his home more than four decades ago. The year was 1981. That’s when Avenson, a young engineer at the Bell Telephone Co., caught an ad for an event called a Passive Solar ...