Still, the most advanced book available on the subject is Passive Annual Heat Storage, Improving the Design of Earth Shelters. This 1983 text is still quite up to date as it teaches the basic methods of understanding natural heat flow methods that never change. Other supplementary materials, home plans and instruction videos are available. To obtain hard copies of this extensive material, click on:
You can order books, videos, and papers on a large variety of topics which are available from the Rocky Mountain Research Center.
