Dan, a mechanical engineer, walks through the design and construction decisions behind his PHIUS-certified passive house in New York, from 12-inch cellulose walls and a sealed European fireplace to ...

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 ...

Disclosure: The author has a family relationship to and a minor equity stake in an Australian solar company. For decades, electricity has flowed one way: from power producers to public utilities, ...