Before even getting into it, we will admit that evaporative coolers come with one major caveat. They work best in dry, arid climates; regions like the American Southwest in states like Arizona and ...

It passes hot air over water-saturated pads and reusable ice packs ... As with most evaporative air coolers, this model works best when the surrounding humidity is 60% or lower.

Never heard of a swamp cooler? You're not alone. Sometimes called an evaporative cooler ... It works by passing air over a damp pad, letting the moisture from the pad evaporate, which cools ...

Evaporative coolers are available in two basic types: direct and indirect. Direct evaporative coolers contain a blower that forces air through a water-soaked pad. The pad acts like an air filter as it ...