Best Quiet Operation Cool Mist Humidifiers of 2025

The MEGAWISE 1.5L Cool Mist Humidifier is a great choice for those looking for a safe and healthy environment for their families. It has a 0.5gal water capacity that supports running time up to 10 hours, and is ultra quiet at 25dB. It also allows you to add essential oils to create a soothing atmosphere. Customers have praised its size, ease of use, and quietness, though some have noted that it runs through water quickly.

LEVOIT Cool Mist Humidifier is a top-fill ultrasonic humidifier with a 2.5-liter capacity. It runs quietly for up to 25 hours, providing relief from congestion and dry throat. The easy top-fill design allows for convenient refills without spilling. Cleaning is a breeze with its detachable parts and large tank opening. With a noise level as low as 26dB, it's perfect for peaceful sleep. The customizable mist output and 360° rotating nozzle offer full control over humidification.

Breathe easier with Pure Enrichment® MistAire™ Silver Ultrasonic Cool Mist Humidifier. This humidifier features high and low-speed settings, 360° mist nozzle, ample room coverage, whisper-quiet operation, and optional night light. It holds up to 1.5L of water and runs continuously up to 25 hours on low. It helps to balance and regulate the humidity in your home for relief from coughing, colds, congestion, sore throat, sinus issues, allergies, and dry skin. Perfect for bedrooms, offices, nurseries, and living rooms.

The Pure Enrichment MistAire Studio Ultrasonic Cool Mist Humidifier is a sleek and compact humidifier that uses ultrasonic cool mist technology to quickly and safely moisturize dry air in small spaces up to 175 square feet. With a 10-hour run time, you can enjoy continuous overnight operation without needing to refill the ample 0.7L water tank. This whisper-quiet humidifier runs near silently in the background while you work, sleep, or relax. The optional night light offers a soothing glow, and the automatic shut-off feature turns off the humidifier when the water level is low or the water tank is removed.

The LEVOIT Dual200S Humidifier is a smart and user-friendly device that is perfect for maintaining healthy humidity levels in your home. With its smart functions, you can remotely control the humidifier with the free VeSync app, set target humidity and schedule timers. The top-opening tank is easy to refill and clean, and gives 3-liter output every 24 hours. The Auto Mode ensures that your target humidity is maintained, and the display lights can be turned off for a peaceful night's sleep. The BPA-free humidifier is great for babies, with soothing mist that helps combat nightly congestion, and the Upgraded NoiseDefender design makes it operate at near-silent levels. You can customize your humidity with multiple mist levels, a target humidity level, and a 360-degree rotating nozzle for all-round humidification of plants.

The MEGAWISE Ultrasonic Humidifier offers a 1.5L capacity, ensuring up to 24 hours of continuous mist. This feature helps you create a soothing environment, perfect for bedrooms and nurseries. With its ultra-quiet operation at just 24dB, you can enjoy peaceful nights without disturbances. The auto shut-off function enhances safety by turning off the device when the water level is low. Additionally, it’s designed to be compatible with essential oils, allowing you to infuse your space with calming scents while using BPA-free materials for your peace of mind.

The Hocyhaoder Humidifier is designed for peaceful and efficient humidification in your home. With a near-silent operation of just 28dB, you can enjoy a restful night without disturbance. The automatic shut-off feature ensures safety by turning off the unit when the water tank is empty. Its sturdy, leakproof design provides a healthy environment, alleviating the discomfort caused by dry air. Plus, the large 2.2-liter tank allows for continuous use for up to 30 hours, perfect for bedrooms, nurseries, or offices. Just fill it up, turn it on, and enjoy the comfort of balanced humidity.

The Bontill Cool Mist Humidifier is an ultrasonic device that quickly and safely moisturizes dry air for up to 30 hours of continuous operation in small, medium, and large rooms. It features high and low-speed settings, a 360° mist nozzle, and an automatic shut-off feature that turns the humidifier off when the water level is low. The 2.5-liter water tank is easy to fill and comes with an AC power adapter, no filter needed. Customers report that it is easy to use, quiet, and helps with dry air-related issues.

The BREEZOME Ultrasonic Humidifier offers a seamless blend of comfort and convenience. With its large 4L capacity, you can enjoy up to 50 hours of continuous mist, helping to alleviate congestion and dry mouth while you sleep. This device also doubles as an essential oil diffuser, allowing you to add your favorite scents to the mist for a relaxing atmosphere. Its top-fill design makes it easy to refill and clean, ensuring you can maintain proper humidity levels without hassle. Plus, it operates quietly at just 25dB, ensuring your sleep remains undisturbed.

ASAKUKI Mist Humidifier is a top-fill 4L ultrasonic humidifier ideal for bedrooms and large rooms. It offers up to 40 hours of continuous mist release, ensuring a peaceful night's sleep without frequent refills. The whisper-quiet operation and optional night light promote restful sleep. You can effortlessly adjust the mist output to relieve congestion, dry throat, or skin. This 2-in-1 humidifier and diffuser allow you to enhance air humidity and create a pleasant atmosphere with essential oils. The easy-to-clean design and safety features make it perfect for bedrooms, offices, nurseries, or plants.