Build a Simple Solar Heater With a Sheet of Plastic
How one family built a solar-powered heating unit for $25.
The simple solar heater in the Gilman home pays for itself every five weeks.
PHOTO: MOTHER EARTH NEWS STAFF
Most "conventional" solar heating systems cost upwards of $2,500 to install the Gilman Family in the mountains of New Mexico—however—designed and built their own sun powered heating unit for $35...and it works as well as any!