Build an Inexpensive Solar Heating System

Learn how to build an inexpensive solar heating system that only cost $30, includes step-by-step instructions and diagrams to build a solar heating system.

Build an inexpensive solar heating system, the author's 240 square foot, $30 solar collector is simple and effective.
Build an inexpensive solar heating system, the author's 240 square foot, $30 solar collector is simple and effective.
Photo by Don R. Waterman