Setup costs for an off-grid home can range from $5,000 to $50,000 or more, depending on where you live and the systems you ...

Passive solar design is nothing new — it has probably been around as long as people have been building houses — and it has nothing to do with solar panels. It’s all about creating a comfortable space ...

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 ...