ABMax24
Active VIP Member
AKA a swamp cooler, they work through evaporative cooling, evaporating extra water into the air to lower the temperature. If you like cool but extremely humid air then go for it, otherwise there's a reason we pay $5k+ for a central AC unit, as it cools the air and removes humidity.
How Swamp Coolers Work
If your air conditioner is causing your energy bills to rise, you might want to consider an alternative — a swamp cooler. That's if you live in a dry environment like the southwestern U.S. So, how do swamp coolers help you beat the heat?
home.howstuffworks.com