Why Earth Sheltering - Earth sheltering augments solar energy in our energy efficient sustainable building designs. Benefits include increased comfort and reduced operational costs. Learn more advantages...

The Vashon Dental Clinic - With its highly efficient use of solar energy, this passive solar earth sheltered building only required $70 to heat and cool during its first year of operation. See the Vashon Dental Clinic...

The Manzanita Residence - A beautiful contempory earth sheltered home from Design Northwest, this multi-story residence uses solar energy for heating and lighting. See the Manzanite home...

Conceptual Designs - Design sketches for using solar energy in sustainable buildings: a variety of energy efficient, earth sheltered passive solar building projects. View passive solar designs here...