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Solar Sponge
The DIY Solar Air
heater
The Solar Sponge is a low cost
Do-It-Yourself active Solar Air Heater designed to heat your home
using energy from the sun. The design was featured in Issue 94 of
Renew magazine.

Commercial Solar Air Heaters
cost many thousands of dollars, we'll show you how you can build
one with similar or better performance for less than $500 using
parts from your local hardware store!
For further information
contact David Jones on the email address below.
David & Nicole are based in
North West Sydney, Australia.
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