More to explore:
http://formworksbuilding.com/photos/ Alternative-architecture.-Due-to-its-solar-and-geothermal-properties-Formworks-stuctures-can-easily-be-converted-to-off-grid-or-stand-alone-power-systems.-2-712x363 Earth Contact Sheltered Geothermal Solar Power
Off-the-Grid, Alternative architecture by Formworks Building Inc. Geothermal and Solar.
An unconventional underground home, somewhere in the mountains in CO.
Photo Gallery of Green Roof & Earth Sheltered Homes & building systems Manufactured by Formworks Building, inc.
I just want to explore... how far back into the hill does it go? Is there a lower level? What kinds of creatures live here?
southwestern style formworks underground home
But I want this house too! Love formworks underground houses, so bright and light... and such low utilities!
Sometimes you just need your own underground lair.
underground homes - Bing Images
Formworks home interior
Formworks earth berm house....love this idea of a sunroom added
Underground Homes - Earth Sheltered Houses for Eco Hobbits
A magnificent concrete archway as one facing of an earth-sheltered home - needs more stonework & logs to make it rustic