DIY Frequently Asked Questions / Ultrasonic Humidifier')">
Uses high-frequency energy to break the water up into tiny droplets, which are then dispersed into the air by a small fan.
Quiet and use little energy.
Has the potential of leaving a sticky white dust around the house if used with hard tap water.
Can pose health risks if the unit raises the level of airborne particles in the air.
For best results and to prevent pollutants in the air, use distilled water with this type of humidifier.