Best Ultrasonic Humidifiers of 2025

Mark Greer Avatar
Mark Greer
Last Updated: Jan 7, 2025

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Ultrasonic humidifiers are an effective way to increase the humidity levels in a room, providing relief for dry skin, sinus issues, and other respiratory problems. These humidifiers use high-frequency vibrations to create a fine mist that is released into the air, adding moisture to the environment. They are quiet and energy-efficient, making them a popular choice for bedrooms and other living spaces. Ultrasonic humidifiers come in a range of sizes and designs, making it easy to find one that fits your needs and style.

At a Glance: Our Top Picks

Dreo Humidifiers Cover #TOP 1
Dreo Humidifiers
ftb score rating icon 9.9
Dreo Smart Humidifier HM311S Cover #TOP 2
Dreo Smart Humidifier HM311S
ftb score rating icon 9.8
LEVOIT Classic 160 Humidifier Cover #TOP 3
LEVOIT Classic 160 Humidifier
ftb score rating icon 9.6

Top 10 Ultrasonic Humidifiers

#TOP 1

Dreo Humidifiers

DR-HHM001
White
Dreo Humidifiers Cover
Dreo Humidifiers for Bedroom, Top Fill 4L Supersized Cool Mist Humidifier, 32H Runtime, 28 dB Quiet Ultrasonic Air Humidifier for Large Room, Plants, Baby Nursery, Indoor, Night Light, Easy to Clean

Dreo Humidifiers, specifically the Dreo 4L Cool Mist Humidifier, is the perfect companion for a healthier life. With its 4L large tank, you can enjoy up to 32 hours of continuous comfort without the need to refill. The next-gen humidification performance of this humidifier brings 3X faster dry air relief, helping you breathe easy and healthy. Its high-frequency atomization process releases 2X finer and lighter mist particles, allowing humidity to spread evenly across the room without wetting surfaces. The easy top fill design makes it hassle-free to fill up without any spills. Additionally, this 3-in-1 humidifier allows you to customize your mist with three different levels and a 30° tiltable nozzle, while also serving as an oil diffuser and ambient light to create the perfect mood in your room. With its auto-shut off design, it's also the perfect choice for nursery and plant care.

What We Like
4L Large Tank
Next-Gen Humidification Performance
Easy Top Fill Design
#TOP 2

Dreo Smart Humidifier HM311S

DR-HHM001S Black
Black
Dreo Smart Humidifier HM311S Cover
Dreo Smart Humidifiers for Bedroom, Top Fill 4L Cool Mist Humidifier with Nightlight, 32H Runtime, Touch/APP/Voice Control, Quiet Ultrasonic Humidifiers for Large Room, Home, Baby, Plants, Office

Dreo HM311S Humidifier is a smart and efficient solution for controlling humidity levels at home. With its advanced algorithm and Auto Mode, it accurately senses humidity levels, ensuring better comfort for you. The smart ambient light keeps you informed about changes in humidity levels. You can easily adjust mist levels, timers, and ambient lighting using voice control through Alexa or Google Assistant, or through the Dreo app. The Dual-intake design creates a larger mist that brings faster relief from dry air, promoting healthy breathing. The 30° tiltable nozzle allows you to direct the mist where you need it. The humidifier shuts off automatically when the tank is empty, making it safe for babies and plants. With a 32-hour runtime and quiet operation, you can enjoy uninterrupted comfort all night long. The additional aromapad tray lets you add essential oils for a spa-like experience. The modular design makes maintenance hassle-free, allowing for easy cleaning.

What We Like
Precise humidity control
Voice and app control
Larger mist for faster relief
Long runtime of 32 hours
#TOP 3

LEVOIT Classic 160 Humidifier

LUH-A251-KUS
Black
2.5L
LEVOIT Classic 160 Humidifier Cover
LEVOIT Classic 160 Top-Fill Ultrasonic Cool Mist Humidifier, Super Easy to Fill and Clean, Quiet Operation for Bedroom Home Baby & Plants, Auto Shut-off for Safety, 360° Rotating Nozzle, 2.5L, Black

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.

What We Like
Quiet Operation
Easy to Fill
360° Rotating Nozzle
#TOP 4

LEVOIT 3L Humidifiers with Aroma Diffuser

B09W21XFS5
White
LEVOIT 3L Humidifiers with Aroma Diffuser Cover
LEVOIT Humidifiers for Bedroom, Quiet (3L Water Tank) Cool Mist Top Fill Essential Oil Diffuser with 25Watt for Home Large Room, 360° Nozzle, Rapid Ultrasonic Humidification for Baby Nursery and Plant

Experience a comfortable 3 nights of sleep with LEVOIT 3L Humidifiers. The 360° nozzle and simple knob control allow you to direct mist output anywhere. It's easy to refill and clean with the top-fill opening. The 2-in-1 diffuser and humidifier feature allows you to add essential oils to the base to create a fragrant home spa. The auto-shut off feature and nearly silent operation make it perfect for the bedroom. With a powerful and steady mist output, it can raise humidity by 10% in just 20 minutes.

What We Like
Large water tank of 3L provides 25 hours of moisture
2-in-1 diffuser and humidifier feature for a fragrant home spa
Auto shut off feature and nearly silent operation make it perfect for the bedroom
Easy to refill and clean with the top-fill opening
Powerful and steady mist output can raise humidity by 10% in just 20 minutes

AquaOasis® Cool Mist Humidifier Quiet Ultrasonic Humidifiers

AquaOasis
AO-101
White
Large
AquaOasis® Cool Mist Humidifier Quiet Ultrasonic Humidifiers Cover
AquaOasis® Cool Mist Humidifier (2.2L Water Tank) Quiet Ultrasonic Humidifiers for Bedroom & Large room - Adjustable -360 Rotation Nozzle, Auto-Shut Off, Humidifiers for Babies Nursery & Whole House

The AquaOasis™ Cool Mist Humidifier is the perfect solution for those who suffer from dry air. This quality ultrasonic humidifier operates in total silence and has multiple mist settings and 360 degree rotating nozzle for customizable mist output and direction. It also has a 2.2L large water tank and features a lifetime warranty. A customer who recently moved to New York from Florida was delighted to find relief from the dryness and has experienced improved Psoriasis and eczema.

What We Like
Quiet operation
Adjustable mist direction
Auto-shut off feature
Effective in relieving dryness and cold symptoms
Sleek design with self-filtering feature

Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier

PEHUMIDIF
Blue and White
MistAire (Large)
Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier Cover
Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier - Quiet Air Humidifier for Bedroom, Nursery, Office, & Indoor Plants - Lasts Up To 25 Hours

The Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier is a powerful and efficient humidifier that can provide up to 25 hours of continuous operation in medium to large rooms up to 250 square feet. It features high and low-speed settings, a 360° mist nozzle, an optional night light, an easy-fill tank, and an auto shut-off feature. Customers have praised its quiet operation, easy setup, and adjustable mist output. The only drawbacks are the bright blue power button and the fact that the night light is too bright for some.

What We Like
Quiet operation
360° rotation nozzle
Auto shut-off
Lasts up to 25 hours
#TOP 7

Dreo 6L Top Fill Humidifier

DR-HHM004
White
Dreo 6L Top Fill Humidifier Cover
Dreo 6L Top Fill Humidifiers for Bedroom, 60H Runtime, 28 dB Quiet Supersized Cool Mist Humidifiers for Large Room, Air Humidifier for Home, Baby, Plant, Indoor, Night Light, Ultrasonic

The Dreo Humidifier is designed to enhance your indoor comfort by providing a soothing cool mist. With its powerful output, it effectively battles dryness in large rooms up to 500 sq ft, protecting your furniture from humidity damage. The 6-liter tank allows for up to 60 hours of continuous use, minimizing the need for frequent refills. Operating at just 28dB, it ensures a peaceful sleeping environment. Additionally, the advanced sensor accurately monitors moisture levels, automatically adjusting to maintain optimal air quality for your home, baby, or plants.

What We Like
Long runtime
Quiet operation
Advanced humidity sensor
Easy refilling
#TOP 8

LEVOIT Classic300S Smart Humidifier with Extra Large 6L Tank

Classic 300S
Blue
LEVOIT Classic300S Smart Humidifier with Extra Large 6L Tank Cover
LEVOIT Classic300S Ultrasonic Smart Top Fill Humidifier, Extra Large 6L Tank for Whole Family, APP & Voice Control, Essential Oil Diffuser, Humidity Setting with Sensor, Quiet Sleep Mode, Night Light

The LEVOIT Classic300S Ultrasonic Smart Top Fill Humidifier is a powerful and fully upgraded humidifier with a 4× faster humidification speed that lasts up to 60 hours and covers up to 505 ft². It can be controlled using the free VeSync APP or Alexa, and it also has a Sleep Mode and night light for optimal sleep-humidifying environment. The top-fill design makes refilling and cleaning the tank easy, and it can also be used for plant care and aromatherapy. The product is zero-leakage designed, and satisfaction is guaranteed.

What We Like
Faster humidification speed
Smart control using the VeSync APP or Alexa
Top-fill design for easy refilling and cleaning
Can be used for plant care and aromatherapy
Zero-leakage designed product
#TOP 9

Dreo 6L Smart Humidifier HM713S

DR-HHM003S silver
Silver
Large
Dreo 6L Smart Humidifier HM713S Cover
Dreo 6L Humidifiers for Bedroom, Smart Warm & Cool Mist for Large Room, 60Hr Quiet Runtime Ultrasonic Oil Diffuser for Baby, Plant, Humidity Sensor, Indicator Light, 12H Timer, Google/Alexa, HM713S

The Dreo Smart Humidifier is the ultimate solution for fast humidification, offering a warm mist feature that provides instant dryness relief. Its high precision sensor allows you to control room humidity with ±5% accuracy, ensuring a comfortable environment. With 3 customizable modes, including Auto Mode and Sleep Mode, you can easily adjust settings to suit your needs. The Dreo app adds convenience by providing real-time humidity readings and smart cleaning reminders, while the dual-aroma pad tray lets you switch scents effortlessly throughout the day.

What We Like
Fast Humidification
Precise Room Humidity Control
Customizable Modes

BREEZOME 6L Ultrasonic Humidifier & Essential Oil Diffuser

MG07JS
Black
BREEZOME 6L Ultrasonic Humidifier & Essential Oil Diffuser Cover
BREEZOME 6L Humidifiers for Bedroom Large Room & Essential Oil Diffuser, Ultrasonic Top Fill Cool Mist Humidifiers for Baby, Plants, Nursery Last up to 60 Hours, Smart Humidistat Control, Quiet, Black

The BREEZOME 6L Humidifiers for Bedroom Large Room is perfect for large rooms up to 500 sq feet. It has a large 6L tank that provides up to 60 hours of humidification. The humidifier and diffuser 2 in 1 feature allows you to add your favourite essential oils to the built-in aromatherapy tray. The humidifier is designed with an intelligent humidistat that automatically controls the humidity level and allows you to check the real-time humidity level. The top fill design makes it easy to maintain water in the tank. It also has a quiet sleep mode and automatically shuts off when water runs out, making it safe for you and your family.

What We Like
Long-lasting water capacity
Smart humidistat control
Ultra-quiet operation
Versatile as an essential oil diffuser
Easy-to-use digital panel
Buying Guide Image

Everything You Need to Know About Buying Ultrasonic Humidifiers

Having the right humidity levels in your home is essential for maintaining a healthy and comfortable living space. This is where ultrasonic humidifiers come in. These devices work by emitting high-frequency sound waves that create a fine mist that is dispersed into the air, increasing the humidity levels in the room.

But with so many options on the market, how do you choose the right ultrasonic humidifier for your needs? Here are some key factors to consider:

Size and Capacity

The first thing to consider is the size and capacity of the ultrasonic humidifier. You want to choose a humidifier that is suitable for the size of the room you plan to use it in. A larger capacity humidifier will be able to cover a larger area and run for longer periods of time without needing to be refilled.

Noise Level

One of the biggest benefits of ultrasonic humidifiers is that they are generally very quiet. However, some models are still louder than others. If you plan to use the humidifier in a bedroom or other space where noise can be an issue, it's important to choose a model with a low noise level.

Features and Controls

Different ultrasonic humidifiers come with different features and controls. Some models have a built-in humidistat that automatically adjusts the humidity levels in the room, while others have a timer that allows you to set the run time of the humidifier. Consider what features are important to you and choose a model that has the controls and features you need.

Price and Maintenance

Ultrasonic humidifiers come in a range of prices, from budget-friendly models to more expensive options. It's important to consider not only the initial cost of the humidifier but also the ongoing maintenance costs. Some models require more frequent cleaning and replacement of parts, which can add to the overall cost.

Conclusion

Choosing the right ultrasonic humidifier for your needs is essential for maintaining a healthy and comfortable home. Consider factors such as size and capacity, noise level, features and controls, and price and maintenance to find the perfect humidifier for your space.

Frequently Asked Questions (FAQs)

1. Are ultrasonic humidifiers healthy?

The Federal government has not concluded that using tap water in ultrasonic or impeller humidifiers poses a serious health risk. However, researchers have documented that these humidifiers are very efficient at dispersing minerals in tap water into the air.

2. What does an ultrasonic humidifier do?

An ultrasonic humidifier uses high-frequency sound vibrations to produce an extra-fine water mist that is then expelled to add moisture to the room. It's the quieter of the two types of humidifiers. The ultrasonic generally has no filter factored into its design, which saves operation costs.

3. Is an ultrasonic humidifier the best?

Ultrasonic humidifiers offer a few advantages over evaporative humidifiers. They are very good at humidifying the air. ... So they are the right choice if you need to fit your humidifier in a very tight space. The vibration of an ultrasonic humidifier is much quieter than the fan of an evaporative humidifier.

4. What is the healthiest type of humidifier?

The type you choose is ultimately up to you, but in general, cool mist humidifiers are the safest option (especially if you have children or pets around), according to the U.S. National Library of Medicine. Warm mist humidifiers, meanwhile, run hot and have the potential to cause burns if you get too close.

Editor's Notes

During our ultrasonic humidifier research, we found 24 ultrasonic humidifier products and shortlisted 10 quality products. We collected and analyzed 672,676 customer reviews through our big data system to write the ultrasonic humidifiers list. We found that most customers choose ultrasonic humidifiers with an average price of $56.18.

The ultrasonic humidifiers are available for purchase. We have researched hundreds of brands and picked the top brands of ultrasonic humidifiers, including Dreo, LEVOIT, AquaOasis, Pure Enrichment, BREEZOME. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Mark Greer Avatar

Mark Greer has been an excellent residential carpenter for eight years in Los Angeles and has complete knowledge of woodworking, power tools, and home DIY. He never misses a chance of the lookout for new features and innovations in popular and novel home appliances as an insightful writer.