Idaho modern oldtimer builds underground & solar $50 houses by Kirsten Dirksen on August 3, 2015 Mike Oehler lived for over 30 years in an underground home that he built for $50 (and expanded for $500) …
Dugout shelters & pit-houses: benefits of thermal inertia by Nicolás Boullosa on May 31, 2013 Whether in homes or greenhouses, partially buried buildings (pit-houses, dugout shelters) benefit from thermal stability and the heating and cooling …