Aaron built a solar panel (with the assistance of ideas found on you tube) that we run, from time to time, in our bedroom during the winter months. It was made using aluminum cans that were spray painted black for added sun absorption and then placed in a wooden frame. A small fan (plugged in using electricity from our home) forces the air into our room. The panel is not 100% efficient, but is a work in progress none-the-less. I am not a fan of the light it blocks from our room and it does emit an odor which we presume to be from the chemicals in the paint and aluminum. It is not run very often, but is in place so that monthly experiments can be made. The hottest air that was forced from it was read at 130 degrees on a 35 degree day. Not too shabby from something that cost nearly nothing to make (primarily recycled materials) and has been an interesting scientific process to date.
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