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 160 Ultrasonic Cool Mist Humidifier is 25% off on Amazon. Over 90,000 shoppers have picked this humidifier up in the last month alone.