Build an earth sheltered home that is bright, airy and comfortable all year.
|Still, the most advanced book available on the subject is Passive Annual Heat Storage, Improving the Design of Earth Shelters. This original text stays up to date because it teaches the basic methods of understanding natural heat flow that never change. Other supplementary materials, home plans and instruction videos are available.
You can order books, videos, and papers on a large variety of topics which are available from the Rocky Mountain Research Center.