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!

If you like the information you see here, then please help support this site by buying eco products via If you purchase something (books, electronics products, anything at all) from Amazon or third party sellers via Amazon using the links below then we get a small cut. Thanks.

For further information contact David Jones on the email address below.

David & Nicole are based in North West Sydney, Australia.



Copyright(c) 2010 David L. Jones

EMAIL Contact:  david @ alternatezone DOT com