Evaporative coolers are cooling devices that use the evaporation of water into the air to cool the air temperature. They are sometimes called air coolers, desert coolers, or swamp coolers. Evaporative ...
There are two main types of cool-mist humidifiers: evaporative and ultrasonic. Evaporative humidifiers create a very fine mist that isn’t always visible to the human eye. Unlike warm-mist ...