Best Ultrasonic Humidifier Reviews 2022

There is nothing as soothing and comforting as breathable warm clean air. Dry air is the cause of many respiratory ailments exacerbating the symptoms of your allergic reactions, flu, and cold. Lack of enough moisture can dry your skin, break and destroy your wooden décor and make it hard to enjoy a good night sleep.

Levoit 6L Ultrasonic Humidifier is our top pick. It can emit warm and cool mist and is ideal for use in babies’ room. Moreover, it has a large water tank capacity, vaporizing large rooms for up to 20-36 hours nonstop.

Additionally, it is user-friendly with touch and remote control systems. Besides, it auto-diffuses mist to adjust your humidity to the recommended level. Its noise level is at 36dB.

Best Product - Our Top 3 Picks



PRICE: $$$

Levoit 6L


PRICE: $$$

Rated #1 by



PRICE: $$$

Top 10: Best Ultrasonic Humidifier Reviews

We will highlight some basic points to purchasing a top-quality ultrasonic humidifier, the benefits of owning one as well as how it works and how you can properly maintain it for optimal performance and longevity. We also have the top list of ultrasonic humidifier you can choose.

Your only best option is to invest in an ultrasonic humidifier, to humidify your home. They usually emits mist through oscillation method. They do not depend on fans or heat to function and are thereby very quiet in operation and energy-efficient.

1. Levoit 6L Warm and Cool Mist Ultrasonic Humidifier

It can humidify the whole house, due to its large 6L water tank capacity. Moreover, it has a combined feature for warm and cool mist, at three different levels, makes it the perfect all-year unit for your home. It can take care of dry air as well as cold, leaving your home warm and cozy.

It can easily increase your indoor humidity level 25% faster than a humidifier with a cool mist feature only. Likewise, it reads the exact surrounding humidity level, for a proper set-up of a comfortable and suitable humidity for your home.


  • Large 6L water tank capacity
  • Combined feature for warm and cool mist
  • It reads the exact surrounding humidity level
  • Check Badge
     Perfect all-year unit for your home

This unit has a durable water tank made from ABS plastic and comes with a convenient remote control you can use when 5 meters away. Besides, you can also operate it via its touch control systems.

It comes with two aroma pads, two descaling pads, a user manual and a cleaning brush.


  • capacity
  • features
  • operation

This is one of the best ultrasonic humidifier for large homes, as it can humidify your whole house for 20-36 hours nonstop, with its 6L water tank capacity. Moreover, it has super high mist output of 500ml per hour.


  • Cool mist function reduces indoor static electricity
  • Features a Programmable 1-12 hour inbuilt timer
  • CE and ETL Certified
  • 2-year Warranty


  • Display light too bright at night might interfere with your sleep

2. HoMedics 1.7 Gallons Warm and Cool Mist Ultrasonic Humidifier

If you are looking for the best of both worlds then opt for this cool and warm mist ultrasonic humidifier.

It can operate up to 80 hours continuously delivering warm and cool mist in your home. Moreover, it has an adjustable mist control that allows you to customize your settings for maximum mist output.


  • Can operate up to 80 hours continuously 
  • Adjustable mist control 
  • It operates very quietly, making it ideal for use in bedrooms.
  • Check Badge
    Stylish and durable construction
  • Check Badge
    It comes with a demineralization cartridge

Additionally, it has an ON/OFF night light and night mode, for a comfortable and conducive sleeping environment. Likewise, it operates very quietly, making it ideal for use in bedrooms.

In addition to all these, it comes with a demineralization cartridge. This means you can use tap water with it, without affecting its quality.

Why we Recommend this Product

  • features
  • safety
  • ease of use

Moreover, its demineralization cartridge ensures that the quality of your air is better, as it improves the quality of mist coming from it even if you opt to use tap water. You can rely on it to emit visibly, but micro-fine cool or warm mist.


  • Comes with a convenient user manual
  • Easy to use and maintain
  • Affordable
  • Durable


  • LPG cylinders not included
  • Manual assembly required

3. Everlasting Comfort 6L Cool Mist Ultrasonic Humidifier

This is a highly economical, in terms of operation and maintenance. You do not require any filters but you have to use demineralized or distilled water with it for long-term efficient emission of pure cool mist.

Moreover, it has a large water tank capacity, with a mist output of 270ml per hour, covering a 400 square feet room. It can last up to 50 hours between refills while operating very quietly.


  • Doesn't require any filters
  • large water tank capacity
  • Mist output of 270ml per hour
  • Check Badge
    Stylish and durable construction

It features an essential oil tray you can use for a 24/7 refreshing clean aroma. Besides, it is completely safe for homes with kids and comes with a blue LED night light.

In addition, when its water content empties it will auto-shut to keep the unit and your family safe from any hazards.



It allows you to control the humidity level of your space, via its adjustable steam and mist output knob. This means you can keep your relative humidity above 43%.


  • Filter-less design
  • Built-in diffuser
  • Keeps you healthy
  • Features a 360°rotating nozzle


  • Due to its filter-less design, it requires frequent cleanups to minimize the build-up of impurities

4. Elechomes 6L Warm and Cool Mist Ultrasonic Humidifier

This is one of the best ultrasonic humidifier for homes with kids, as its cool and warm mist can easily prevent allergies, keep you all warm and allow for better sleep. Moreover, it operates very quietly at 45 decibels, meaning your baby can comfortably sleep through it day or night.

Moreover, it has a Resin Water Soften Technology, which is a built-in filter that removes all hard water impurities like magnesium, calcium, limescale, and germs for a breathable pure fine mist. Besides, this technology enhances the durability of the unit.


  • Best ultrasonic humidifier for homes with kids
  • Can easily prevent allergies
  • Has a Resin Water Soften Technology
  • Check Badge
    360° rotatable dual-layer mist nozzle
  • Check Badge
    Perfect humidifier for insomniacs, elders, and office workers

It has a wider and uniform coverage aided by its 360° rotatable dual-layer mist nozzle. Additionally, its built-in intelligent technology can easily adjust the current according to the humidity within your surrounding indoor environment.

Additionally, it comes with a user manual and is the perfect humidifier for insomniacs, elders, and office workers.



It can also alert you when the water level is low and auto-shut to keep the unit safe. Likewise, it will auto turn OFF, when you remove the tank.


  • CSA and ETL approved
  • 1-year limited warranty
  • Durable steel construction


  • Pricey but worth all the cost
  • New users may find a bit difficult

5. MistAire 1-Gallon Ultrasonic Cool Mist Humidifier

If you are looking for a humidifier that you can carry and use away from home, then this is it. This cool mist humidifier comes with a convenient AC adapter you can use anywhere. Moreover, it is safe and healthy for use with babies.

Additionally, it comes with a single and a dual nozzle, so you can choose any for your mist control. It can humidify your room for 10-24 hours nonstop depending on your mist control setting, which can be high or low.


  • Portable and compact
  • Convenient AC adapter
  • It comes with a single and a dual nozzle
  • Check Badge
    Cover rooms of up to 500 square feet

This unit can cover rooms of up to 500 square feet. It comes with a 5-year warranty and 24/7 reliable customer service. Besides, its brand is known and very reputable among customers.


  • Comfortability
  • ease of use
  • safety

Besides, it is safe to use and can auto-shut when water is low or when you remove the water tank. Therefore, you can leave it running and never worry about damages due to low water level.


  • Very quiet even in high humidification settings
  • Has a convenient cleaning brush
  • Features a dual-speed fan
  • Check Circle
    Powerful steam output


  • LED light is too bright and there is no setting to turn off the night light

6. TaoTronics 4L Cool Mist Humidifier

This ultrasonic humidifier is known for emitting clean and eco-friendly cool mist, making it one of the best for use in homes with kids of all ages and the elderly. It is even better in winter cold and can easily take care of mildew, dry skin, and wrinkles.

You can adjust its mist controls from low, medium to high settings for maximum room humidification. It can cover rooms between 431-538 square feet for up to 15 hours with its 4L water tank capacity. Likewise, it has a 360° nozzle that rotates very well for even distribution of mist.


  • Adjust its mist controls from low, medium to high
  • Can cover rooms between 431-538 square feet
  • 4L water tank capacity
  • Check Badge
    360° nozzle that rotates very well

Moreover, it operates at less than 38 decibels, ideal for babies and light sleepers to sleep through. Likewise, it has a sleep mode.



It is good for preventing and fighting different kinds of respiratory ailments among the elderly and children. It features a micro-porous safe cartridge that filters its water, getting rid of all the microorganisms for a clean and breathable pure mist air.


  • One-year warranty
  • Convenient user-manual
  • Auto-shuts when water tank is empty
  • Check Circle
    Features a 1-24 hour built-in timer


  • Works best only with filtered or distilled water
  • Does not accommodate any essential oils or perfumes

7. URPOWER MH501 5L Cool Mist Ultrasonic Humidifier

If you are looking for an affordable large-capacity humidifier, then here is one with user-friendly controls. It actually has only one button for every control setting.

For sleep mode, you can long press the power button and it will go to the middle mist output, after which all its indicator lights will turn off. Moreover, it operates very quietly and will not disturb your sleep or work mode.


  • Affordable large-capacity humidifier
  • User-friendly controls system
  • It operates very quietly and will not disturb your sleep
  • Check Badge
    Stylish and durable construction

In relation, it has three mist settings, low, medium and high. It can work between 14-17 hours depending on the level you have set.

As for maintenance, you are required to clean it twice a week or after every 3-5 uses.


  • Safety
  • Ease of use

You can easily refill it by putting the water tank upside down. No water can be added at the top or base directly.


  • Easy operation
  • Re-usable filter
  • Sold with a user manual


  • Not for use with essential oils
  • Low run time

8. PureGuardian H1175WCA 1.5 Gallons Ultrasonic Cool Mist Humidifier

It is an ideal choice for small to medium-sized rooms. It can run for 90 hours, with 6.4L of mist output per day. This usually depends on the speed set and the surrounding atmospheric conditions.

You can even diffuse some aroma in your home via its aromatherapy tray. Do not put the oils in the tank, as it can damage it and void your warranty.


  • Ideal choice for small to medium-sized rooms
  • Can run for 90 hours
  • Reliable ON/OFF night light
  • Check Badge
    Silver Clean Protection that prevents the growth of mold

It features a reliable ON/OFF night light for a comfortable and light-free night environment. Besides, it auto-shuts when its tank water empties, for safety measures.

Additionally, its water tank is embedded with a Silver Clean Protection that prevents the growth of mold and mildew in its interior.


  • operation

The ease of use and control of this system is unmatched. It has all the essential features needed to operate it for efficient mist output. Moreover, it can create an allergy free environment for your family members, getting rid of dry air, preventing dry skin, cold and flu.


  • 1-year warranty
  • CSA approved
  • Variable heat control system
  • Check Circle
    Reliable and affordable


  • Doesn't includes the propane tank 

9. Aennon 2.8L Cool Mist Ultrasonic Humidifier

For an improved atmosphere and easier breathability indoors, this is the best pick. It can be used anywhere in the house, even the baby’s room. Moreover, it eliminates any chances of experiencing dry skin, improves your sleep, provides you with a calm and relaxed atmosphere.

In addition, its top-quality stone filter can easily take care of any foul odor, while keeping the unit clean.


  • Can be used anywhere in the house
  • Top-quality stone filter
  • Can run up to 20 plus hours without a refill
  • Check Badge
    2.8L water tank capacity
  • Check Badge
    360° mist nozzle

This humidifier can run up to 20 plus hours without a refill, in its 2.8L water tank capacity. You can easily control its mist emission with its control knob. Besides, its 360° mist nozzle ensures that mist is directed in whichever direction you want.

Additionally, it is cool to the touch, with no overheating whatsoever. Thus it is very safe for use anytime. You can easily sleep and work through its operation due to its quiet operation.

It comes with some free accessories that include two e-books, one e-course, and three scented sachets for aromatherapy.


  • multipurpose
  • design
  • auto-shut system

You can use this unit as a nebulizer, a humidifier, moisturizer, ionizer, air purifier as well as an aroma diffuser, depending on the quality of indoor air you want to achieve.


  • In-built aroma diffuser with essential oil tray
  • Compact design but powerful mist emission
  • ETL safety approved for kids


  • Short lifespan  
  • Its reservoir tends to leak at times  

10. PerfectAire PAU13 1.3 Gallons Ultrasonic Cool Mist Humidifier

This is the most affordable ultrasonic humidifier in our list of top 10. It can cover medium to large spaces, for 12-36 hours. Moreover, it emits micro-cool mists up to 10.8 ounces per hour, meaning it can output up to 2.2 gallons per day.

You and your baby can easily sleep through its operation day or night, as it runs on a very low noise level of 35 decibels. Likewise, it has a built-in ON/OFF night light for a conducive sleeping environment.


  • Can cover medium to large spaces, for 12-36 hours
  • It emits micro-cool mists up to 10.8 ounces per hour
  • Runs on a very low noise level of 35 decibels
  • Check Badge
    Built-in carbon filter
  • Check Badge
    Antimicrobial water tank that prevents the build-up of mold

Additionally, it features a built-in carbon filter for taking care of any foul smells within your surrounding air. It has an antimicrobial water tank that prevents the build-up of mold and mildew in it.

It is best at treating symptoms of cold and flu, as well as dry skin, throat, lips as well as sinus irritations.


  • user-friendly
  • mist technology
  • safety features

You can see when water is needed using its water level indicator, but it also auto-shuts when water runs out.


  • Energy star rated
  • Affordable
  • No filters to replace
  • Check Circle
    Easy fill design


  • No timer 

What Is An Ultrasonic Humidifier And How Does It Work?

An ultrasonic humidifier is a type of humidifier that humidifies the air by means of oscillation. It has a tiny but powerful metal plate, which vibrates at an ultrasonic frequency. The plates work by breaking the water particles into fine invisible cool or warm mist for proper humidification of your surrounding air.

How It Works?

They have a modern piezoelectric high-frequency technological ceramic disc that vibrates the water, breaking it into small particles. A fan then blows these minute drops of water away, into your surrounding air as a warm or cool mist.

The process involves two effects the cavitation bubble implosion and the capillary wave theory.

When it comes to the type of water, always use distilled water for enhanced durability of the ultrasonic humidifier. It also prevents the formation of white dust.

However, if you opt to use tap water make sure you have an installed demineralization filter, to take care of the mineral particles from the hard water.

White dust formation is always because of the hard water minerals left behind during humidification. They usually float on water and when emitted tend to stick on nearby home decors. It is not a health hazard but can also affect the performance of your ultrasonic humidifier.

Benefits of Using Ultrasonic Humidifier

It usually stands out from the rest of home humidifiers, as it can operate at a quiet low decibel, making it perfect for light sleepers and even babies.

Therefore, these reviews would not make sense without this beneficial part. After all, it is the whole reason you are buying this type of unit.

  • They can easily get rid of dry air in your home, even during winter. You just have to purchase a top-quality one ad it will deliver as expected. Take note that dry air can affect your respiratory system, skin cells and even inflame your throat and nasal passages. So to keep your skin moist, soft and glowing, invest in one top-quality humidifier.
  • This type of humidifier can also relieve you from coughs and flu, making the symptoms less severe. Likewise, it can help with the healing process, by keeping your sinuses moist. Besides, it also prevents colds and flu from affecting you, by eliminating infectious bacteria and viruses in the air. Moist air usually makes it hard for viruses and bacteria to travel or survive on air
  • An ultrasonic humidifier can also create a warm and calm atmosphere, by removing all the dryness and discomfort caused by low indoor humidity levels. The aura it creates can help soothe the baby to sleep and make them stay asleep for long hours.
  • This unit can also keep you wooden stuff, furniture and other home décors from drying up and cracking due to the build-up of dry air, within your surroundings. Moreover, it can help keep your instruments in-tune and mold-free.
  • If you have some houseplants, it can help by pulling the toxins away from your surrounding air. Additionally, it can prevent the leaves and soil from drying during winter cold, by adding moisture to them 24/7. This leaves you with healthy and fresh plants, all year round.
  • You also stand a chance of reducing your heating bills, especially during winter. As this ultrasonic humidifier can keep, you warm all day and night. Since it does not heat water, it will only use less of your energy.

Buyer’s Guide: What to Look for While Buying Ultrasonic Humidifiers?

You should always have some basic knowledge when it comes to purchasing any top quality humidifier.

As much as they are highly affordable, ensure that you are investing in a durable and functional unit. Nonetheless, we have you covered in our review.

This section of this post will guide you into buying a worthy unit for your home use, be if you have pets or toddlers.

  • Size– Here you can look for a reasonable size that will meet your needs. The smaller it is the less capacity it will have and only be able to humidify a small room or space. You can check the unit’s product specifications and see what area it can cover in square feet before you buy it.
  • Water Tank Capacity– This matters as it determines the number of refills you will be doing as well as the hours it can take to humidify you home nonstop.
  • Efficiency– If you are getting an ultrasonic humidifier, chances are that you are tired of indoor dry air. Therefore, be sure to choose a unit that will deliver the required level of humidity to keep your home or room moist and conducive to
  • Noise– As much as it produces low noise levels, you should still check it out and opt for the one with the least noise decibels. This way you sensitive baby can easily sleep through it, as it operates even on a higher speed setting.
  • Features– Some of the essential features that can be useful in a humidifier include but not limited to the humidistat, an auto-shut off feature, timer and even a combination model of a warm and cool mist humidifier.
  • Maintenance Level– These types of units often require low maintenance level, but that does not mean you overlook it. Always opt for those with ease when it comes to cleaning as well as refilling.
  • Humidifier Space– The space or location of your humidifier matters as it will determine the size and design you buy. You can check for appeal in relation to functionality. Nevertheless, always put it in a secure place, where it will not get in the way or knocked over.
  • Cost– You can do some research on some top brands and compare their price in terms of warranty coverage, ease of maintenance as well as efficiency. Then make your pick with all this in mind.

Nonetheless, always go for a quality unit that can cover the needed space at the lowest energy consumption. In relation, take note that expensive does not guarantee quality and cheap is not inferior. It all relies on its proven performance level.

How to Clean Ultrasonic Humidifiers?

A humidifier is an essential household item that can help in keeping you and your home safe and clean. It can alleviate many symptoms of airborne ailments like coughs and flu. However, you need to keep it clean, for proper functionality and efficiency in the emission of clean warm or cool mist.

Here is how you can easily clean and maintain your ultrasonic humidifier.

Daily Maintenance of an Ultrasonic Humidifier

  • Turn it off and unplug it from its power source, then remove its mist nozzle from its top, rinse it with clean plain water. After which, you can wipe it with a dry paper towel to clean it further as well as to dry it.
  • The next step involves removing its water tank from its water base. Empty any leftover water in both areas the tank and the basin. You should take note that any leftover water is a cause for mineral build-up and bacterial growth, which is not very pleasant when breathed and can make the unit ineffective with time.
  • You should let the water tank dry by itself, with its cap off, before putting it back on its water basin. Make sure you wipe the water basin with a clean paper towel or cloth, in order to get rid of any water residues.
  • Moreover, you should be careful when cleaning or wiping the delicate parts, like the nebulizer or water sensor. This also depends on the features it has, otherwise, daily maintenance is necessary for the enhanced longevity of the unit.
  • Weekly Cleaning and Maintenance of an Ultrasonic Humidifier

  • Apart from its daily upkeep, an ultrasonic humidifier still needs proper weekly maintenance for efficient mist delivery. You can start by turning it off and unplugging it from its power source. Then remove its mist nozzle and empty all the water in its water tank and basin.
  • You can then fill the water tank halfway with lukewarm water and one tablespoon of bleach or two tablespoons of white vinegar. Close it and shake to mix the whole contents. Sit it upright for up to 30 minutes for the bleach or vinegar to disinfect its interior part. Never use any detergents or abrasive cleaners as they can cause damages to the ultrasonic humidifier.
  • After the 30 minutes elapse, you can shake the water tank again, drain the mixture and rinse it with clean plain water to remove any of the leftover bleach or vinegar. Air dry the water tank with its cap off, then place it back in the water basin.
  • As for the disinfection of the water basin, make another mixture of water, white vinegar or bleach. Let the mixture sit on the basin for 20-30 minutes, before emptying and rinsing it with plain water. After which, you can wipe it with a clean paper towel or cloth to dry. You should never immerse the water basin or the humidifier power cord in water during cleaning and maintenance.
  • Conclusion

    Conclusively, you should not just own one because everyone else has it but do your own personal research to see if it meets your needs. You can start with these credible reviews before deciding on a purchase.

    You can always research on other reviews online and see how this top ten models fair. Otherwise, feel free to share this informative piece. It can always come in handy for others looking to purchase the best ultrasonic humidifier in the current competitive market.

    Also Read:

    Click Here to Leave a Comment Below 0 comments