Ultrasonic humidifiers create vapor from two ceramic plates and sound vibration, creating tiny particles that are pushed into the air.

Ultrasonic humidifiers create vapor from two ceramic plates and sound vibration, creating tiny particles that are pushed into the air.

Ultrasonic humidifiers create vapor from two ceramic plates and sound vibration, creating tiny particles that are pushed into the air.

Ultrasonic humidifiers create vapor from two ceramic plates and sound vibration, creating tiny particles that are pushed into the air.

Ultrasonic humidifiers create vapor from two ceramic plates and sound vibration, creating tiny particles that are pushed into the air.

An ultrasonic cool mist humidifier, on the other hand, will quietly release a cooler mist output into the air. Evaporative humidifiers are less messy and are less likely to over-humidify the place.

We recommend three ultrasonic humidifiers, including our top-pick Levoit LV600S Smart Hybrid Ultrasonic Humidifier, as well as two evaporative also-greats in our guide to the best humidifier.

The Levoit Classic 300S Humidifier Has A Huge Tank and Smart Connectivity Humidifiers are notoriously difficult to take care of, but this ultrasonic model makes upkeep easier.