Best Ultrasonic and Evaporative Humidifiers for 2024

The Everlasting Comfort 6L is our favorite, but consider these alternatives

With winter in full swing, many people look for ways to stay warm and cozy. One way to do this is by using a humidifier. Humidifiers add humidity to the air, which can help relieve cold symptoms, dry skin, and other problems.

There are many different types of humidifiers available on the market. So, which one is the best for you? Check out our list of the best ultrasonic and evaporative humidifiers on Amazon.

Ultrasonic vs Evaporative Humidifiers: What’s the difference, and which is better?

There are two main types of humidifiers: ultrasonic and evaporative. Ultrasonic humidifiers use high-frequency sound waves to create a fine mist, while evaporative humidifiers blow air across a wet filter or pad to increase the humidity in the room.

Ultrasonic humidifiers are smaller and quieter than evaporative ones and can be more expensive. Evaporative humidifiers are typically less costly, but they can also be noisier. They also require more maintenance. You must regularly clean the filter or pad in an evaporative humidifier to prevent bacteria from growing.

Ultrasonic humidifiers are better than evaporative humidifiers because they release more moisture quickly. They are also quieter, and the vapor is cooler, which is better for your skin. But, the price might scare away some.

Our Top Picks

Everlasting Comfort 6L Air Humidifier
Editor's Choice

This humidifier can run for up to 50 hours, and features an essential oil tray.

Govee 4L Smart Humidifier
Best Smart Humidifier

Govee's humidifier adds an app for remote control.

Everlasting Comfort 4L Cool Mist Humidifier
Budget Pick

The Everlasting Comfort Ultrasonic Cool Mist Humidifier 4L offers 40 hours of run time at a great price.

Best Humidifiers

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Everlasting Comfort 6L Air Humidifier
Editor's Choice

Everlasting Comfort 6L Air Humidifier

This humidifier can run for up to 50 hours, and features an essential oil tray.

The Everlasting Comfort Ultrasonic Cool Mist Humidifier (6L) has maintained its popularity over the years, and this year's model is no exception. This humidifier’s 6-liter capacity ensures an impressive runtime of up to 50 hours, making it perfect for large rooms and extended use. Its ultrasonic technology guarantees near-silent operation, making it ideal for bedrooms or other quiet spaces.

Customers love the essential oil tray, which allows for easy diffusion of their favorite scents, adding extra comfort to the room. The adjustable mist output and humidity sensor enable a customizable experience, ensuring optimal humidity levels in any environment. The auto-shutoff feature adds an extra layer of safety and convenience, as the device will automatically power off when the water tank is empty.

Some users have noted that the Everlasting Comfort Humidifier requires regular cleaning to avoid mold and mineral buildup, but this is a common issue with most ultrasonic humidifiers. Overall, the Everlasting Comfort Ultrasonic Cool Mist Humidifier (6L) offers excellent performance, reliability, and user satisfaction.

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Everlasting Comfort 4L Cool Mist Humidifier
Budget Pick

Everlasting Comfort 4L Cool Mist Humidifier

The Everlasting Comfort Ultrasonic Cool Mist Humidifier 4L offers 40 hours of run time at a great price.

The 4-liter version of the Everlasting Comfort Ultrasonic Cool Mist Humidifier is another fantastic option for those looking for a smaller capacity. Retaining many of the same features as its 6-liter counterpart, this model offers up to 40 hours of continuous runtime, making it suitable for medium-sized rooms.

Users appreciate the quiet operation provided by the ultrasonic technology and the adjustable mist output to customize the humidity levels. The built-in essential oil tray remains popular, allowing users to create a pleasant and relaxing atmosphere by diffusing their favorite scents.

The 4-liter Everlasting Comfort Humidifier includes an auto-shutoff feature for safety and convenience. Like its 6-liter sibling, this model requires regular cleaning to prevent mold and mineral buildup, a common issue with ultrasonic humidifiers.

Overall, the Everlasting Comfort Ultrasonic Cool Mist Humidifier (4L) offers excellent performance and convenience in a more compact size, making it a great option for those with medium-sized rooms or who prefer a smaller footprint.

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Govee 4L Smart Humidifier
Best Smart Humidifier

Govee 4L Smart Humidifier

Govee's humidifier adds an app for remote control.

The Govee 4L Smart Humidifier is a modern and versatile option for those looking for a user-friendly and technologically advanced humidifier. With a 4-liter water tank capacity, this device provides up to 40 hours of continuous operation, making it suitable for medium-sized rooms.

One of the main selling points of this Govee humidifier is its smart functionality, which includes Wi-Fi connectivity and compatibility with the Govee Home app. This allows users to control and monitor the device remotely, easily adjusting settings and creating custom schedules. The Govee 4L Smart Humidifier is also compatible with voice control through Amazon Alexa and Google Assistant, providing a convenient, hands-free experience.

Users appreciate the built-in humidity sensor and three mist output levels, which enable them to maintain a comfortable environment based on their preferences. The device also features a timer function, allowing users to set the humidifier to turn off automatically after a specified period.

The Govee 4L Smart Humidifier utilizes ultrasonic technology, ensuring near-silent operation, making it ideal for use in bedrooms, offices, or other quiet spaces. The auto-shutoff feature adds an extra layer of safety, as the device will automatically turn off when the water tank is empty.

Some users have mentioned the need for regular cleaning to prevent mineral buildup, a common issue with ultrasonic humidifiers. However, the Govee 4L Smart Humidifier is an excellent choice for those seeking a reliable, feature-rich, and user-friendly humidifier for medium-sized rooms.

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Honeywell Cool Moisture Humidifier
Quiet Operation

Honeywell Cool Moisture Humidifier

Honeywell's humidifier runs quietly but has a shorter runtime of 24 hours.

The Honeywell Cool Moisture Humidifier is a reliable and efficient choice for those seeking to maintain comfortable humidity levels in their homes. This evaporative humidifier features a large 1-gallon water tank, allowing up to 24 hours of continuous operation. It is suitable for medium-sized rooms and is praised for its straightforward design and ease of use.

Users appreciate the quiet operation of this Honeywell model, which is achieved through its wicking filter and fan system. The filter helps remove impurities from the water and prevent white dust, producing cleaner and fresher air. The device also has an adjustable humidity control knob, allowing users to easily set their preferred humidity level.

The Honeywell Cool Moisture Humidifier includes an auto-shutoff feature, ensuring safety and energy efficiency by turning off the device when the water tank is empty. While the wicking filter requires periodic replacement, users find this maintenance relatively simple and hassle-free.

Overall, the Honeywell Cool Moisture Humidifier is dependable and user-friendly for those seeking an evaporative humidifier. Its efficient performance and low noise make it ideal for bedrooms or living spaces where comfort and quiet are essential.

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Pure Enrichment MistAire Studio Ultrasonic Cool Mist Humidifier
Compact Size

Pure Enrichment MistAire Studio Ultrasonic Cool Mist Humidifier

It's small, but still can run up to 10 hours, and effectively humidifies small rooms.

The Pure Enrichment MistAire Studio Ultrasonic Cool Mist Humidifier is a compact and stylish option for those seeking a space-saving solution to maintain comfortable humidity in small to medium-sized rooms. With a sleek design and a 0.7-liter water tank, this ultrasonic humidifier offers up to 10 hours of continuous runtime, making it perfect for nightstands, offices, or small living spaces.

Users appreciate the near-silent operation the ultrasonic technology provides, ensuring minimal disturbance during sleep or work. The MistAire Studio Humidifier has two mist output settings, allowing users to customize their humidity levels to suit their needs.

The device includes an optional night light feature, which emits a soft glow, adding a touch of ambiance to the room. Its auto-shutoff feature ensures safety and energy efficiency by powering off the humidifier when the water tank is empty.

Like other ultrasonic humidifiers, the Pure Enrichment MistAire Studio requires regular cleaning to prevent mold and mineral buildup. Users find the cleaning process relatively straightforward and manageable. The Pure Enrichment MistAire Studio Ultrasonic Cool Mist Humidifier offers a stylish and compact solution for maintaining comfortable humidity in small to medium-sized spaces.

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raydrop Cool Mist Humidifier
Small, But High Capacity

raydrop Cool Mist Humidifier

Even in such a small size, the Raydrop can run for almost a full day continuously.

The Raydrop Cool Mist Humidifier is an excellent choice for those seeking a compact and efficient solution for maintaining comfortable humidity levels in small to medium-sized rooms. With a 1.7-liter water tank capacity, this ultrasonic humidifier offers up to 20 hours of continuous operation, making it perfect for use in bedrooms, offices, or nurseries.

Users appreciate the near-silent operation provided by ultrasonic technology, which ensures a peaceful and restful environment. The Raydrop humidifier features a simple one-button control, making it easy to operate and adjust the mist output according to user preference.

The device has a space-saving design, allowing it to fit easily on a nightstand or desk without taking up too much space. The auto-shutoff feature adds an extra layer of safety and convenience, as the humidifier will automatically turn off when the water tank is empty.

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LEVOIT Classic 300S Smart Humidifier
Long Runtime

LEVOIT Classic 300S Smart Humidifier

With an impressive 60-hour runtime, you won't have to worry about filling the Levoit Classic 300S often.

The Levoit Classic 300S Ultrasonic Cool Mist Humidifier is a top choice for large rooms seeking a high-capacity and feature-rich humidifier. Boasting a 6-liter water tank, this humidifier offers up to 60 hours of continuous operation, ensuring optimal humidity levels for extended periods.

Users appreciate the smart functionality of the Classic 300S, which includes Wi-Fi connectivity, compatibility with the VeSync app, and voice control via Amazon Alexa and Google Assistant. This enables users to easily adjust settings, monitor the device's performance, and create custom schedules from their smartphones or through voice commands.

The Levoit Classic 300S features an adjustable mist output, a built-in humidity sensor, and an auto mode, which adjusts the mist level based on the room's current humidity to maintain a comfortable environment. The device also includes an aroma box, allowing users to diffuse their favorite essential oils for relaxation and ambiance.

The whisper-quiet ultrasonic technology makes the Classic 300S ideal for bedrooms or quiet spaces, while the auto-shutoff feature provides added safety and convenience. Some users have mentioned that the device requires regular cleaning to prevent mineral buildup, a common issue with most ultrasonic humidifiers.

Overall, the Levoit Classic 300S Ultrasonic Cool Mist Humidifier offers excellent performance, smart functionality, and user satisfaction

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LEVOIT 4L Smart Cool Mist Humidifier
App Control

LEVOIT 4L Smart Cool Mist Humidifier

Levoit's smart purifier is easy to use, and features an app for remote control.

The Levoit Smart Wi-Fi Cool Mist Humidifier is a highly-rated and technologically advanced option for those seeking a versatile and user-friendly humidifier. With a 4-liter water tank capacity, this device offers up to 40 hours of continuous operation, making it suitable for medium to large-sized rooms.

One of the standout features of this Levoit humidifier is its Wi-Fi connectivity, which allows users to control and monitor the device remotely via the VeSync app. It is also compatible with voice control through Amazon Alexa and Google Assistant, providing hands-free adjustments to settings and schedules.

Users appreciate the built-in humidity sensor and auto mode, which automatically adjusts the mist output based on the current room humidity, ensuring a comfortable environment. The Levoit Smart Wi-Fi Cool Mist Humidifier also offers three mist levels, allowing users to customize their experience to their preferences.

The device features a convenient essential oil tray, allowing users to diffuse their favorite scents throughout the room, adding relaxation and ambiance. The ultrasonic technology ensures near-silent operation, making it ideal for bedrooms, offices, or quiet spaces.

Like most ultrasonic humidifiers, the Levoit Smart Wi-Fi Cool Mist Humidifier requires regular cleaning to prevent mineral buildup and maintain optimal performance. With its advanced features, user-friendly design, and impressive performance, the Levoit Smart Wi-Fi Cool Mist Humidifier is an excellent choice for maintaining comfortable humidity levels in medium to large spaces.

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Frida Baby 3-in-1 Cool Mist Humidifier
Best Baby Humidifier

Frida Baby 3-in-1 Cool Mist Humidifier

The well-reviewed Frida Baby humidifier is a great option for nurseries.

The Fridababy 3-in-1 Humidifier is a unique and multifunctional option designed for the needs of parents and young children. This innovative device serves as an efficient cool mist humidifier. It includes a built-in nightlight and essential oil diffuser, making it a versatile addition to any nursery or child's bedroom.

With a 0.5-gallon water tank capacity, the Fridababy 3-in-1 Humidifier provides up to 12 hours of continuous operation, making it suitable for small to medium-sized rooms. The device features two mist settings (high and low), allowing users to customize the humidity levels based on their preferences.

Parents appreciate the built-in nightlight, providing a soft glow and a sense of comfort for their children at night. The essential oil diffuser adds an extra touch of relaxation, as users can diffuse their favorite scents to create a calming atmosphere.

The Fridababy 3-in-1 Humidifier utilizes ultrasonic technology, ensuring quiet operation, which is important for maintaining a peaceful environment in a child's room. The auto-shutoff feature provides added safety, as the device will automatically turn off when the water tank is empty.

Some users have mentioned the need for regular cleaning to prevent mold and mineral buildup, but this is a common issue with most ultrasonic humidifiers. Overall, the Fridababy 3-in-1 Humidifier is an excellent and versatile choice for parents seeking an efficient and child-friendly humidifier with added features for convenience and comfort.

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Do I need a whole-house humidifier?

A whole-house humidifier is an excellent investment for anyone who wants to keep their home’s humidity levels consistent throughout the year. Compared to a smaller humidifier that can only be placed in one room, a whole-house humidifier distributes moisture evenly throughout your home. This means you’ll never have to worry about hot or cold spots and enjoy consistent humidity regardless of the season.

Another benefit of using a whole-house humidifier is that it can help protect your furniture and flooring from damage. High humidity levels can cause wood floors and furniture to swell and warp, but a whole-house humidifier helps prevent this. It also helps keep your skin hydrated and reduces the likelihood of developing respiratory problems.

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To install a whole-house humidifier, consult a qualified HVAC technician. They can help you select the suitable model and size and provide regular maintenance to ensure your humidifier works correctly. These systems are also far more expensive. We’d only recommend a whole-house humidifier if you need to raise the humidity throughout the house for health or medical reasons. These systems can easily cost thousands of dollars to install.

Frequently Asked Questions

Here are some frequently asked questions about humidifiers we’ve received from readers.

What is considered ‘normal’ humidity inside a home?

The recommended humidity level for a home is about 30-50%. This range provides comfort for most people and helps protect your furniture, wood floors, and other household items from damage caused by humidity. Too much humidity can make you uncomfortable and cause mold to grow. Too little moisture can cause discomfort, static electricity, and increased susceptibility to illness.

What is the ideal humidity for a baby’s room?

The ideal humidity for a baby’s room is between 30 and 50 percent, the same as a standard room.

How close should a humidifier be to a baby?

A humidifier should be placed at least 4 feet away from a baby’s crib or sleeping area, as this is the safest distance for the surrounding environment and the baby. Keeping the humidifier clean and free of mold and bacteria is important, as these can be dangerous for infants.

What are some of the symptoms of sleeping in a dry room?

Some people may experience a sore throat, dry skin, or itchy eyes when sleeping in a dry room. Additionally, the air may feel “stuffy,” and breathing may be more challenging. Low humidity can cause the mucous membranes in your nose and throat to become dry and irritated.

Do humidifiers cause mold?

Yes, humidifiers can cause mold if they’re not cleaned regularly. Humidifiers add moisture to the air, creating the perfect environment for mold to grow. Mold needs three things to grow: moisture, a food source, and warm temperatures.

To prevent mold from growing in your humidifier, clean it regularly with vinegar or bleach. You should also empty the water tank and refill it with fresh water every day. If you notice any black spots or excessive humidity in your home, it might be time to invest in a dehumidifier instead of a humidifier.

Do humidifiers work?

Humidifiers work by adding moisture to the air. This helps to relieve dryness in the nose, throat, and skin. It can also help to loosen congestion from a cold or the flu. Humidifiers are available as tabletop units, which you can fill with water, or whole-house units attached to your home’s heating and cooling system.
Most humidifiers come with a built-in hygrometer, which measures the humidity level in a room. Some humidifiers also have an automatic shut-off feature that turns the unit off when the desired humidity level is reached.

Wrapping Up

In conclusion, purchasing a humidifier is a great way to improve indoor air quality and protect your health. Not only does it provide immediate comfort, but it also helps reduce the irritation of allergies and asthma symptoms, as well as prevent dry skin, throat, and nose problems. With all these benefits in mind, a humidifier is a smart choice for anyone looking to