Ultrasonic humidifiers work similarly to cool-mist humidifiers in that they use force to break the water up into small droplets.

Ultrasonic humidifiers use rapid vibration to create clouds of water vapor. When filled with hard water, these humidifiers also vibrate and aerosolize the minerals within, leading to clouds of ...

Both types work, though ultrasonic ones, like this Levoit Classic 300s, tend to run more quietly and can be taken apart more easily for cleaning.

Humidifiers can help relieve a cough by making the air less dry. People can use them alongside other tretments. Learn more about humidifiers for cough here.

There are several types of humidifiers that are commonly used in residential homes to help manage the humidity levels, including cool-mist, evaporative, steam, ultrasonic, and warm-mist humidifiers.