Passive Solar (Post Tensioned Concrete) Earth Sheltered Housing

Lon Simmons was building green homes long before anyone ever heard of them, building passive solar earth sheltered homes, which many consider to be the strongest, safest, most indestructible, longest lasting, and most energy efficient residences ever built in the United States. A tireless advocate of developing solar and alternative energy, he uses this book to describe his efforts in building passive solar earth sheltered homes and make a case for a sustainable energy policy