Passive Solar Homes

Custom homes designed for your land and lifestyle in the western US. Specializing in updated passive solar design and super insulated, panelized construction.
Designers and manufacturers of environmental solar / geothermal homes.
Promotes solar energy and sustainable development by providing design, engineering, project management, and technical support services to architects, electric utilities, private clients, and developers.
Vital Systems is an ecological building, design and consulting company formed in 1997.
The U.S. Department of Energy's new student competition to design and operate the most attractive and effective solar-powered house.