Those generally cut holes in the top of a cooler, put a fan on top to blow the air down across the ice. This is similar, but acts more like an evaporative ... two layers of swamp cooler matting ...

As the global climate continues to warm and more people seek energy-efficient ways to stay comfortable, portable evaporative coolers are rapidly becoming a household staple. Whether you’re looking to ...

Swamp coolers can be installed on the roof, in a window or on the ground ... and small, portable evaporative coolers on wheels are now available. On the other hand, air conditioners cool your ...