The humidifier, which has an automatic shutoff, can cover large rooms—up to 753 square feet—and it functions as either an ultrasonic cool mist humidifier or a warm mist humidifier, so it can be used ...
The most common types of humidifiers are cool or warm mist and evaporative, steam, or ultrasonic units. Signs of a dry indoor environment include electrostatic shocks, headaches, nasal stuffiness, dry ...