Best Cool Mist Humidifier for 2021

The best cool mist humidifier works by dispersing moisture at room temperature. That’s because they do not boil the water to turn it into a mist. They may add moisture to the air in your entire home or a specific room. However, knowing the brand and model of cool mist humidifiers to buy for a specific function can be problematic. In this write-up, we review some of the best humidifiers on the market. The purpose is to help you as a consumer to choose the best possible product. Read on for more.

One of the best humidifiers from Vicks
Source: Amazon – Vicks Humidifier


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Best Ultrasonic Cool Mist Humidifier

1. Everlasting Comfort Ultrasonic Cool Mist Humidifier

When winter sets in, the air in your home dries up. As a result, it becomes difficult for you to have a restful night. Using a humidifier, every individual can improve the humidity level in the bedroom and get adequate sleep.

To help you with that, we propose the Everlasting Comfort Ultrasonic Cool Mist Humidifier with a 1.6-gallon tank. With that, there will be no need for you to keep checking and refilling the tank. Instead, you can fill it once and go to sleep. With that kind of tank capacity, the humidifier can run for more than 24 hours.

Being the best cool mist humidifier, it works well in a bedroom of up to 400 square feet. Simply put, the room should be at most 20 by 20 feet (or an equivalent) in dimension. Its parts include a water tank, and an essential oils holding tray. In addition to improving humidity, it spreads excellent aroma in the air.

It is one of the most popular humidifiers owing to its ease of operation. For example, the device comes with an auto turnoff function that kicks in when the water runs dry. Also, it has a blue indicator for showing the machine’s status at any given time. Importantly, the device comes with a hypo-allergic natural ionizer, which removes dry air and eases the symptoms for people with asthma. It ionizes allergens and helps them to fall out of the air.


  • Also provides aromatherapy
  • Reduces bacteria and allergens
  • Has a big 1.6-gallon tank
  • Easy to operate
  • Can work in a large room


  • Difficult to clean
  • The tank is not easy to refill

Best Humidifier for Small Rooms

2. Vicks Mini Filter Free Cool Mist Humidifier

Allergic symptoms often worsen in cold, dry air. Thus, it might become difficult for you and your kids to have a good night’s sleep due to breathing difficulties. Enter the Vicks Mini Filter-Free Cool Mist Humidifier, whose sole purpose is to relieve nasal congestion resulting from allergies and changes in the weather changes. For your information, the humif is quiet and suitable for use in the bedroom.

It is excellent for small rooms, given that it requires very little maintenance. In short, the device doesn’t require regular replacement of filters. With a 4.5-liter water tank, it can continuously release moisture to the air for more than 24 hours. By that time, you would have slept, woken up, and refilled the tank, if needed.

Instead of a vaporizer tray, the humidifier will require you to install a vapor pad. Thankfully, it comes with several Vicks Dual Scent Pads, which spread aroma in the air and decongest the nose. Also, it is one of the most versatile mist humidifiers, given its ability to work at home, the office, and elsewhere. If you have a nursery with small kids, nothing prevents you from using it there.


  • Effective at decongesting the nasal cavity
  • Utilizes vapor pads
  • A versatile humidifier
  • Has a long operation time
  • Works well with younger kids


  • Might be too noisy
  • Complaints of poor customer service
  • Doesn’t have a timer

Best Compact Cool Mist Humidifier

3. Pure Enrichment MistAire Studio Ultrasonic Cool Mist Humidifier

In addition to being the best compact humidifier, the Pure Enrichment MistAire has a surprisingly fresh-looking design. Therefore, it is something you will behold even as you use it to rid your bedroom of dry air. If anything, the device is all you need to have to improve your sleep in winter. It has a 0.4-gallon water tank for up to 16 hours of continuous humidification. Even so, that time is long enough, primarily if you use it in the bedroom.

With the help of a 360-degree mist nozzle, the humidifier best sprays moisture all around the room. Therefore, it can ultimately improve the air quality in a room, leaving no untouched spot. Also, you can set it not to humidify particular spots in the room by redirecting it to the essential areas.

Since it sits at the base, the water tank is straightforward to refill. However, it requires regular cleaning to remove any debris that could be held in it. Neglecting the tank may result in the development of mold and the accumulation of lots of impurities. Nevertheless, you can avoid regular cleaning by exclusively using distilled water. Besides regular cleaning, the tank is filter-free and requires little maintenance.


  • Has a 360-degree nozzle
  • Has a 0.4-gallon tank
  • Relatively quiet operation
  • A compact, beautiful design


  • Not an essential oil diffuser
  • Reports of leaks in the water tank

Best Humidifier with Adjustable Output

4. JBTOR Cool Mist Humidifier

It’s a given that your humidification needs will change from time to time. For that reason, you may need a humidifier that allows you to adjust the mist output. An excellent example if the JBTOR Cool Mist Humidifier, which has three humidity levels – low, medium, and high. Therefore, you are free to choose one that meets your current needs. Besides, it comes with an LED display through which you can see the adjustments.

The humidifier has a 3-liter tank, which can provide up to 18 hours of humidification at the lowest level of humidity. Therefore, it is suitable for use in the bedroom, given its ability to cover more than 8 hours of sleep. Even so, you can still use it for purposes other than sleep promotion. For instance, it can promote a conducive working environment by getting rid of dry air in the office.

One of its most exceptional features is the 360-degree mist nozzle, which makes it possible for you to change the direction. In the same light, you can easily pick a spot on which to concentrate. It is one of the best humidifiers when it comes to ease of control.

If anything, the remote control gives you the power to change settings from the comfort of your bed. Unlike warm mist humidifiers, which might be static, this particular device is versatile. Thus, you are free to choose whether to use it in the office, living room, bedroom, and other locations.


  • Comes with a remote control
  • Comes with three humidity adjust levels
  • Has a 360-degree nozzle
  • Has a relatively long operation time
  • An LED display for secure settings control


  • It beeps when the timer ends
  • Produces a bright light that interferes with sleep

Best Cool Mist Humidifier for Large Rooms

5. TaoTronics Cool Mist Humidifier

Exceptionally few cool mist humidifiers can adequately provide moisture to the air in a large room. For that reason, you should always look out for the best humidifiers for large rooms. In line with that, we suggest the TaoTronics humidifiers with a 1.06-gallon tank and capacity to humidify a room with 322 square feet. No need to buy a smaller ultrasonic humidifier means for small rooms. If you use it continuously, the device may humidify your home for more than 24 hours.

The electronic display makes it easy to use. Furthermore, it is much easier for you to change the speed settings. Besides, it has a built-in humidistat through which it displays the general humidity levels. That’s important for those looking to adjust the settings and attain optimal room-level humidity.

Constant light is another issue that continues to worry users of cool mist humidifiers. Notably, the TaoTronics Cool Mist Humidifier comes with a sleep mode. As a result, one can turn off the lights before going to bed for a night full of uninterrupted sleep.

Similarly, the device comes with a discreet nightlight that’s useful when it comes to the humidifier in the baby’s or children’s room. When it comes to the noise level (only 38dBA), this humidifier is one of the best. Finally, the humidifier will provide humidity in different spaces like the bedroom, nursery, and office.


  • Humidifies for 30 hours
  • Has a sleep mode
  • Comes with 3-speed settings
  • Works at low noise levels
  • Its humidistat gauges the humidity levels


  • You have to change filters frequently
  • Not an essential oil diffuser
  • Requires distilled water

Best Cool Mist Humidifier

6. Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier

Space, where you use a humidifier, varies in size. It makes sense to get a device with an appropriate size. To illustrate, the Pure Enrichment MistAire Ultrasonic Humidifier is a compact device meant for small rooms in terms of square feet. Likewise, it is the best cool mist humidifier by far. It has a 1.5-liter tank that can provide germ-free moisture to the air for up to 16 hours. Therefore, it is excellent for use in the bedroom to promote a good night’s sleep.

Now, let’s talk about its ability to promote good sleep. It comes with a night light, which creates the perfect environment for you to snooze off sooner and for longer. Also, the machine provides a hushed operation providing no interference as it improves the humidity levels. Hence you have no reason not to keep it on for the entire night. In the same light, it has an automatic shut-off mechanism that protects you from possible fire accidents.

Furthermore, this is a compact, lightweight (it weighs only 1.72 pounds) humidifier that you can easily stash in your luggage while traveling. No need to suffer lower humidity levels in a hotel room. Similarly, you can use it in the office, living room, bedroom, and so on. With this humidifier, you get adjustable speed settings designed to provide you with the comfort levels you desire.


  • Has a sizeable 1.5-liter tank
  • Comes with a 5-year warranty
  • Has an auto shut-off function
  • Has a night light to aid sleep
  • Provides a quiet operation
  • Compact and lightweight
  • Provides moisture without germs


  • Some users said it leaked
  • Reports of some devices being faulty
  • Water may overflow

Best Humidifier and Essential Oil Diffuser

7. URPOWER 2nd Version Essential Oil Diffuser Aroma Essential Oil Cool Mist Humidifier

Apart from improving the humidity level in the air, it is necessary to add some soothing aroma. Enter the URPOWER 2nd Version Essential Oil Diffuser, which is the best cool mist humidifier and essential oil diffuser. The 2nd generation model not only generates lots of mist but also dispenses essential oil in the air. Also, the machine is ideal for tabletops, office cubicles, and hotel rooms.  Lovers of aromatherapy will find this machine extremely helpful.

So, what type of essentials oils will you use with this machine? The dishwasher safe evaporative humidifier accepts 100 percent essential oil concentrates without the fear of corrosion. In particular, that is thanks to the ultrasonic mechanism that makes it easy to diffuse essential oil into the air.

Even better, the humidifier has seven colors of light, including one meant explicitly for the nighttime. Thus, you can create a conducive environment to snooze off and stay asleep throughout the night. Moreover, the machine has a programmable auto-on and auto-off features for a specific time of the day. Importantly, this is a safe product that comes with an automatic shut-off feature to prevent fire when the water runs dry.


  • Uses 100 percent essential oil concentrates
  • Has a high moisture output
  • Programmable on/off cycles
  • Ideal for small rooms and tabletops


  • It may stall without warning
  • Comes with zero-grip

Best Humidifier with Color Mood Lights

8. Homasy Cool Mist Humidifier Diffuser

The Homasy Cool Mist Humidifier Diffuser has two mist levels, a feature that makes it easy for you to take greater control of your room’s humidity level. Hence you can choose whether to use the low mist or the high mist mode. Besides, it has an active sleep mode so that you can turn on a light that appropriately supports sleep when you retire for the day.

On top of being a humidifier, the device also diffuses an essential oil. It works in a simple way that requires you to drop some essential oil into the water tank. The machine will then spread a pleasant aroma into the air and promote good sleep. That’s better than the diffusion mechanism in a warm mist humidifier. Besides, the tank is easy to fill and doesn’t require you to remove it first, as was the case with the previous model.

It has mood lights that provide up to seven colors. Thus, you can choose a favorite color by merely pressing a button. Before going to sleep, you can turn on the nightlight as a means of making it easier to snooze. Thanks to its 360-degree nozzle, the humidifier may spread mist wherever you want it. In conclusion, the device can humidify the air around you for more than 24 hours.


  • Has two mist levels
  • It is also an essential oil diffuser
  • Has seven light colors
  • Comes with a 360-degree nozzle
  • The tank is super easy to refill
  • Has a long operation time


  • Water may begin to pool
  • It may develop random noises
  • It may stop working abruptly

Best Portable Humidifier

9. Bayka Cool Mist Humidifier

Several reasons make Bayka the best portable humidifier. First, it is compact and yet with three adjustable mist levels. Thus, you either choose the low, medium or high mode depending on your desired humidity level. Second, the water tank is refillable without having to remove it. In that case, you can refill it by opening the top lid. Third, the one-gallon tank provides a steady water supply to humidify for more than 24 hours.

Fourth, the humidifier comes with a nightlight, which creates an excellent ambiance for better sleep. However, it is not a must to leave on the nightlight. If anything, you can press the touch control panel for three seconds and turn it off.  Fifth, it works at a shallow noise level (32 dBA), which makes it perfect for the bedroom. Sixth, it has an auto shut-off functionality to prevent possible fire accidents when the water runs dry.

Finally, the tank has a large opening, which makes it easy to clean. To illustrate, you can get hold of a soapy sponge, push your hand into the tank, and start scrubbing. The humidifier is also a great essential oil diffuser, providing you with a soothing aroma as you sleep.


  • Comes with three mist levels
  • Operates at shallow noise levels
  • Has an aromatherapy box
  • Has a large tack
  • Easy to clean
  • The tank is easy to refill


  • It may leak a lot
  • The may not be enough

Best Nighttime Humidifier

10. Miroco MI-AH001 Ultrasonic Cool Humidifier with 6-Liter Tank

Why do people use humidifiers in the kitchen? Whether it is a cool-mist humidifier or warm mist humidifier, it is meant to promote good sleep white preventing allergic reactions. Enter the Miroco MI-AH001, a cool-mist humidifier that can guarantee a restful night to anyone. For its 20-hours operation, it is the best nighttime humidifier around. It comes with a 6-liter tank that carries enough water for the purpose.

Refilling the tank is easy, thanks to the full inlet that also makes it easy to clean. By fitting your hand into the tank and scrubbing, you can render the tank germ free. Compared to other humidifiers, this particular model doesn’t have any spills.

The humidifier warns you just before the water runs dry. In that light, it turns on an LED indicator that shines red as the water level draws near zero. In that manner, the device won’t overheat and cause fire accidents. Additionally, it has a glow that makes it easy to use in the dark. Also, it has a nightlight designed to create an excellent ambiance for sleep. However, you cannot use essential oil with this humidifier.


  • Features an LED low-water indicator
  • Easy to refill and clean
  • Has 6 liters tank capacity
  • Works well in small-sized rooms
  • It can use hard water


  • Not an essential oil diffuser
  • May stop working abruptly
  • Many reviewers report customer service

Best Cool Mist Humidifier – The Ultimate Buying Guide

Having an impeccably, the clean bedroom isn’t enough. That’s because dry air can worsen asthma, dry skin, and chronic congestion, robbing you of sleep. It gets worse in icy conditions, in which the air has no moisture whatsoever.

However, you can change all of that by introducing a cool mist or warm mist humidifier in your bedroom. Without spending so much, you will create an environment in which good sleep is assured. Because of that, losing sleep in the middle of the night will be a thing of the past.

That is the natural part. The problematic part sets in when you embark on the quest for the right humidifier? What factors should you consider to get an excellent humidifier? Do you have to carry out tests to determine the device you should buy? Or is it a matter of taking advantage of the available offers?

In this write-up, we provide a comprehensive guide about the factors you should consider as you go looking for the best possible product in this category. Read on for more information:

Type of Humidifier

There are three main humidifier types on the market today. They include the evaporative humidifier, impeller humidifier, and ultrasonic humidifier. To help you know the right one to choose, we provide a detailed explanation of each one below:

1. Evaporative Humidifiers

The devices in this category have a simple construction that includes the wick filter. Mainly warm mist humidifiers, their filters draw water from a reservoir, after which a fan blows air over it. As the water evaporates, it spreads into the air, improving the humidity levels. Additionally, the filter comes with a filter, which renders the air germ-free and conducive to breathe in. Thus an evaporative humidifier is the best for reducing allergic symptoms.

2. Impeller Humidifiers

In the place of a filter, impeller humidifiers come with a special disk that spins, making water flow onto a screen. The screen then breaks the water down into droplets, creating a fog that spreads throughout the room. However, this type of cool mist humidifier doesn’t filter, purify, or filter the water.

3. Ultrasonic Humidifiers

An Ultrasonic humidifier utilizes vibrations to produce and disperse tiny water droplets in the air. Thus, it is mostly a cool-mist humidifier. It directs high-frequency sound waves onto a metallic part that turns water into microdroplets. Since it has no heating element or moving parts, ultrasonic humidifiers operate quietly and are the best for the bedroom.

Size of Humidifier

Humidifiers exist in different sizes, namely, tabletop, console, and whole-house. However, these sizes refer to more than just the size. Instead, they indicate how a given humidifier works. We provide the details below:

1. Tabletop Humidifiers

Tabletop humidifiers may also be called room humidifiers, give their compact sizes. As a result, you can carry one around the house, depending on the room you wish to humidify. Mostly, they come with detachable, easy-to-maintain water containers. For your information, most of the containers are dishwasher safe. However, due to the small size, tabletop humidifiers can only work in a room of 400 square feet or less. That is as a result of having very tank capacity.

2. Console Humidifiers

Compared to their tabletop counterparts, console humidifiers are bigger. They are large-capacity humidifiers that can cover larger rooms of up to 3000 square feet. Due to their sizes, they might be movable, but not portable. If anything, it takes a lot of effort to move one of them. Even so, they are the best humidifiers for large spaces such as halls.

3. Whole-house Humidifiers

Whole-house humidifiers don’t come as standalone units. Instead, they work as part of the HVAC system, spreading moisture throughout the whole house. Because of that, they humidify large houses of 3500 square feet or more. Also, the water supply comes directly from the plumbing system, removing the need for frequent refilling. Because of their working mechanism, they can be cool mist or warm mist humidifiers.

What Are The Specs For A Cool Mist Humidifier?

In addition to the humidifier type and size, there are several specifications you must consider. They include the following:

1. Water Reservoir

Humidifiers need some kind of water supply, which could be a tank or a direct connection to the plumbing system. Without it, there would be no water to convert into a mist. Due to manufacturing differences, the tank capacity differs among humidifier models and could be anything between 0.4 gallons and 3 gallons. The tank’s capacity determines how long it can humidify a room.

2. Humidistat and Hygrometer

A humidistat, just like a hygrometer, measures the humidity level in a room. However, differences exist between the two devices. While a humidistat automatically triggers shut-off, a hygrometer does not. With a humidistat, the air won’t be oversaturated with moisture.

3. Automatic Shut-Off

Most humidifiers have an auto shut-off feature that kicks in when the water begins to run dry. As such, it prevents the unit from overheating and causing fire accidents. Additionally, it prevents wastage of power, helping you save a lot in terms of energy bills. That’s why it is safe to use most of these humidifiers even while you sleep.

4. Germicidal Light

Several humidifier models use UV light to kill pathogens, such as mold and bacteria. The advantage with that is that it renders the air in your home germ-free. If you want to breathe in sterile air, then you should buy a device with UV light capabilities.

5. Wick Filter

Warm mist humidifiers use wick filters to trap allergens such as dust, pet dander, mold, pet dander, and so on. However, such a model would require the regular replacement of wick filters, which can be expensive. If that’s not an issue, then there is no reason why you shouldn’t buy such a humidifier. Otherwise, you should consider a model with a non-replaceable filter or none at all.

6. Timer

Some humidifiers have features that make it possible to produce mist cycles. For a humidifier to do that, it should have a timer, which one presets to make it work after a given interval. For example, you can set it to start working in the evening, just before you return from work.

7. Multiple Delivery Settings

Some humidifier models come with an only one-speed setting, while others can work at multiple speeds. For the latter, you can easily choose a setting that provides you with mist at the rate you desire. It works on both the cool mist and warm mist humidifiers.

8. Wireless Connectivity

Smart humidifiers make an integral part of your home connected devices. You can link them to a smartphone via an app for remote operation. With such a device, you have the power to turn on or off even before you reach the house. Also, you can operate them using virtual assistants like Alexa and Google Assistant.

9. Diffuser

Apart from humidifying your home, some humidifiers may diffuse essential oils into the air. It is a form of aromatherapy that helps you calm your nerves and sleep better.

10. Display/Control Panel

Most humidifiers have some form of digital display for humidity levels, settings, and so on. With the help of the display, one can change settings humidistat readings, speed, and even set the timer. Also, others may have a remote control for smooth operation.

Water Capacity and Performance

Another essential feature of humidifiers is water capacity, which ranges from 0.4 gallons to 3 gallons. The water capacity usually determines the size of the room in which you can use the humidifier. For small rooms, a capacity of one gallon or less 1 gallon will do. On the other hand, larger rooms require substantial tanks. Importantly, The water capacity determines the humidifier’s running time. Thus, large capacity humidifiers can run for longer.

Performance refers to the moisture output of a humidifier over a given period. It is measured in terms of operating hours at a given mist level. In that aspect, the humidifiers with higher performance provide more than 24 hours of humidification. The rest can humidify a room for more than 10 hours.

Size and Weight

Humidifiers are designed to fit into a compact or a large room. Therefore, you should be careful that the unit you buy can operate in your space. You can determine the size of a room in terms of square feet. After that, you can go ahead and buy a humidifier that fits into space. Also, measure the sink area so that there is enough space where the humidifier will sit as you refill it. Even so, don’t neglect the weight since it determines the portability of a humidifier.

Noise, Cleaning, and Care

Regardless of the size, humidifiers do produce some noise. By extension, the noise level determines how and where you can use the humidifier. In the bedroom, you need a quiet humidifier that can guarantee peace at night. When it comes to the size, larger units tend to be noisier than their compact counterparts. Also, high-speed humidifiers can be noisy.

However, don’t forget to check a unit’s care and cleaning requirements. Some require daily cleaning, while others may spare you some time. So, only choose a model with a maintenance frequency you can afford. If you buy a warm mist model that requires regular filter replacement, then you should be prepared for it.


In general terms, humidifiers are not that expensive. Thus, the costs range from less than $100 even to more than $200. The most significant determining factors are size, performance, and unique features. Therefore, small-sized models cost less than their large-sized counterparts. That also applies to performance and features. As such, units with more advanced performance and features are costlier than the rest. Put all of that into consideration as you come up with a budget.

Best Cool Mist Humidifier – Frequently Asked Questions

Is a cool mist or warm mist humidifier better?

Both a cool mist and warm mist humidifier come with advantages and disadvantages. That’s why it helps to understand how each one of them works. Cool mist units release moisture into the air without boiling water. Thus they tend to consume less power and can be used in spaces with children. On the other hand, a warm mist humidifier starts by boiling water before turning it into a mist. They mainly provide quiet operation and release germ-free mist. If you are looking for a humidifier to buy, we have reviewed some of the best.

What is the best personal humidifier?

The best personal humidifiers are small, compact, and capable of providing moisture in small rooms. Because of that, they are suitable for tabletops, even though they can also humidify whole rooms.

What is the best-rated humidifier by consumer reports?

The best-rated humidifier by consumer reports is Everlasting Comfort Ultrasonic Cool Mist Humidifier. Incidentally, it is the best in the cool mist category and the best overall. If you are looking for a humidifier to buy, we have reviewed the best in the industry.


Humidifiers can give you a more habitable, by removing dry air, cleaning the air, removing allergens such as dust, helping you sleep peacefully. We believe you have found a model you can buy. If not, then you should check through the reviews once again. Also, don’t forget to check the buying guide for features and specifications that a good humidifier should have.


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