If you’re looking for a small, cheap way to cool a small area, it’s pretty easy to make your own “evaporative cooler.” Also known as “swamp coolers,” it’s basically any system that uses a fan to blow out rising cool water vapor. All you need is a fan, an ice chest, water and a few ice packs. How fancy you get after that is a matter of how much effort you want to put it to make it as efficient as possible, and whether you want it to be portable. Here’s a few Instructables to get you started: [More]
