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 ... system to work it, and it can ...

The short answer: they do, if used correctly and ... Unlike window air conditioners, which work to fill up an enclosed space with cooler air, evaporative coolers simply push cool air outward ...

Evaporative coolers use a quarter of the electricity of air conditioners and are relatively inexpensive. In addition, they do not use ozone-harming chlorofluorocarbons (CFCs) and ...

Never heard of a swamp cooler? You're not alone. Sometimes called an evaporative cooler ... Although they do tend to dry the air. The unit's price is a big difference between swamp coolers ...