Nancy, you can get instructions for the site indicated by the red font in the posting.

But it doesn't remove the humidity from the air, which is half of what makes AC so effective at cooling you off.

I'd love to make one of those. I get the general idea, but I'd really appreciate it if the adapter or someone who really understands what he did would post clear directions on how to do it. A list of materials and tools, and a few tips for those of us who are mechanically challenged would be nice, too.