Solar air heater: Mounts on any sunny wall, turning solar energy into free heat for your home (Rodale plans)

by Ray Wolf

This is an excellent how to book on building a air thermal solar heater. The book includes easy to understand drawings. This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0878573593
• ISBN13: 9780878573592
• Release Date: January 1981
• Publisher: Rodale Press
• Length: 64 Pages
• Weight: 0.45 lbs.