BEST OVERALL: Levoit Superior 6000S Smart Evaporative Humidifier ↓ Jump to Review BEST BANG FOR THE BUCK: Everlasting Comfort Ultrasonic Cool Mist Humidifier ↓ Jump to Review BEST SMART ...
However, generally, you can divide them into two types – cool mist and warm mist. There are two main types of cool mist humidifiers: Ultrasonic humidifiers produce a mist via ultrasonic vibrations.
This is then converted into a scented mist via "ultrasonic, high-frequency technology". There are two modes: continuous and intermittent (30 seconds on, 30 seconds off), and from one load of water ...