How to build a solar heater for your house

I am going to show you how to build a solar heater you can put on your house. I have one on mine, they work very well. The cost was very low I think I made all the money back in one season of using it. So as I go on I will explain how and what I did with text and pictures. I hope you enjoy and I also hope you try to build one. Click here for more information on this and other do it yourself home energy projects!