Evaporative humidifiers work by using a supporter to blow air around a soaked wick, pad, or filter. The h2o in the wick evaporates into the air, increasing its humidity. This type of humidifier is self-regulating, as the rate of evaporation decreases as the humidity amount from the air will increase. https://nationwide-humidity-contr23220.blog2freedom.com/38174432/little-known-facts-about-nationwide-humidity-control