Here’s a look at how swamp coolers (evaporative coolers) work and why they’re not very effective when it gets humid in the desert.

Also known as swamp coolers, evaporative coolers are an energy-efficient alternative to traditional air conditioners. Instead of a mechanical compressor, they use the natural cooling power of water ...

Quiet, portable, and easy to use, these swamp coolers can help you beat the summer heat without blowing your budget.

They’re cheaper and greener than air conditioning, but which evaporative cooler impressed us most?

Add Yahoo as a preferred source to see more of our stories on Google. Here's a look at how swamp coolers (evaporative coolers) work and why they're not very effective when it gets humid in the desert.