Add Yahoo as a preferred source to see more of our stories on Google. what is a swamp cooler and why is it better than an ac? Homeowners across the nation survived record heat at the end of June, the ...

Evaporative coolers—commonly known as “swamp coolers” but also called evaporative air conditioners, desert coolers, wet air coolers and even swamp boxes—have been around in their modern form since the ...