Best Cool Mist Humidifier Reviews 2022 – Buyer’s Guide

Humidifiers are very essential when it comes to combating dry air in your surroundings. This is because they add moisture to the air for easier breathability. Dry air is often the cause of bloody nose as well as cracked lips and other kinds of stuffiness in the respiratory system.

It can also cause skin irritation, dryness and itchiness. Dry air can also damage any wooden stuff in the house or office. Therefore, a cool mist humidifier is always a great purchase. As it will humidify your whole surrounding, with its vaporized mist, for a conducive working and living environment.

Best Product - Our Top 3 Picks

URPOWER MH501 Humidifier


Cool Mist Humidifier Reviews


Honeywell HCM350W


Honeywell HCM350W Germ-Free Cool Mist Humidifier

PRICE: $$$

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LEVOIT Humidifier


LEVOIT Humidifiers

PRICE: $$$

Cool Mist vs. Warm Mist Humidifier : Which is Better?

When it comes to choosing between a warm mist and a cool mist humidifier, you can only rely on their individual advantages and disadvantages. This you can do in relation to your immediate need, in order to make the perfect choice.

Cool mist humidifiers often emit cool mist, trapping airborne pollutants in the process. You can find it in different makes from impeller, ultrasonic and evaporative cool mist humidifier. Besides, they are easy to clean and work great in large rooms. However, it needs to be cleaned frequently to prevent algae growth.

Cool mist evaporative humidifiers often make little noise due to the fans they use to emit cool moist.

As for a warm mist humidifier, you can find it in vaporizers and steam selection. Besides, it can help with different kinds of congestion and relieve you of symptoms of flu and cold. They are quieter than their counterpart as they do not use fans and are easier to clean.

LEVOIT Humidifiers for Large Room

Moreover, warm mist humidifiers are often ideal for small rooms as their cover range is very little. Additionally, they are not recommended for use in baby’s room as they emit warm mist or steam. This can burn kids if they happen to get close to it.

Therefore, you can opt for any depending on your living arrangements, space coverage, safety measures as well as ease of use and cleaning.

However, you should note that cool mist types are often preferred and used more as they are safe and can meet all your needs, regardless of your circumstance.

How Does a Cool Mist Humidifier Work?

Cool mist evaporative humidifiers often use fans to emit air via wick filters, they often make little noise. While cool mist ultrasonic humidifiers often have, a small plate metal that makes ultrasonic frequent vibrations.

The ultrasonic vibrations are often inaudible to the human ear but they are very effective when it comes to removing dirt on different surface areas. Moreover, they can easily break the water particles from the reservoir of the humidifier. This allows it to emit pure mist within your surroundings, humidifying the whole place.

In brief, untreated bad dry air often enters the humidifier from its side or back. As it passes through the wick filter that is highly saturated, moist is added in the air as minerals, sediments as well as other impurities stay trapped within the filter. This leaves your surrounding with invisible clean mist.

Buyer’s Guide: How to Buy the Best Cool Mist Humidifier?

Humidifiers are often purchased more often than warm mist or cool and warm mist humidifiers. However, most people often overlook some of its other qualities since it is known to be safe, easy to use and maintain.

Here are a few other tips you can consider before buying a cool mist humidifier.

  • Space coverage– Before you make any purchase for a humidifier, you should ensure it would cover the required space or room in terms of emitting humidity
  • Size– Its size is also important, as you will need to carry it and set it up somewhere. So, opt for a size that can fit the set-up place before buying. Nevertheless, the best option is to always buy a model you can fit anywhere in the room
  • Style/design– Since you will need to put it somewhere visible, always go for a stylish design that will enhance the appearance of the room and not make it awkward. In relation, its color also matters for room aesthetics
  • Water tank capacity– The bigger the water tank capacity, the longer it will go without needing a refill. So, choose carefully as it will determine how often you actually need to maintain it
  • Maintenance costs– You should consider its required level of maintenance before you select one for your office space or home. This is because those with filters often require the filters to be constantly changed as others require constant clean ups and dusting. Now it is up to you to decide the level of maintenance cost you can handle
  • Noise emission– You should consider the level of noise emission you can deal with especially at night before buying any humidifier. Evaporative humidifiers often have fans that make noise while ultrasonic ones are very quiet. So, you opt for one that will not disturb your sleep as fan noise can also be soothing to some people
  • Ease of use and cleaning– The easier it is to use, the longer it will last. It also eases the clean-up and maintenance process
  • Features– You should consider some of the essential features that you know you cannot live without, when it comes to a humidifier. They can range from a humidistat, timer, auto-shut and auto-on features as well as touch or remote control systems

Let’s check out the best ones:

1. URPOWER Cool Mist Ultrasonic Humidifier

This humidifier can work for two straight nights on a full tank. It can hold 5 liters of water and has a convenient auto-shut off control system that ensures its safety when the water level is low. Besides, you should never let it dry up as it can spoil the mortar.

You can also choose the mist output level by short pressing its power button. You can always opt for low, middle or high mist output. If you long press its power button it can immediately go to sleep mode.

Moreover, this cool mist humidifier works very silently. You can sleep through the night as it works to adds moist into the air.


  • Size: 5 Litres water tank.
  • Working time 14-17 hours.
  • Auto shut off safety.
  • Package included: One Cool Mist Ultrasonic Humidifier and one User Manual
Cool Mist Humidifier Reviews

When in use, never add any essential oils or detergents in it. Besides, you can only add water with its tank put upside down as base or top refilling is not possible.

This product is easy to maintain and use. It only has one power button for control. As for cleaning it, you need to do so after very 3-5 uses or twice a week with salty water. This is to ensure its continued use as some micro-elements in the water might remain in it.

Besides, water in the tank can also breed mold if left for long. You should therefore, keep it clean and dry all the time, especially when it is not being used. However, if it cannot emanate mist, just pour out all its base water and refill it.


  • Feature an auto-shut off system for safety when the water level is low
  • Works silently and will not interfere with your sleep
  • Is designed with three convenient mist control output levels which you can adjust from low, middle and high
  • Very easy to clean as well as maintain, comes with a convenient user manual


  • Water left on the water tank can cause mold, always pour it out and clean the humidifier when not in use
  • You cannot mix its water content with any essential oil for added aroma

Watch Full Video Review of This Humidfier

2. Levoit Warm and Cool Mist Ultrasonic Humidifier

This is the best humidifier for those who have flu or cold as it can help in the elimination of almost any bacteria, viruses as well as mineral dust in your surroundings. It can emit cool or warm mist into the air for a conducive and breathable environment.

Besides, it can carry 6 liters of water and has an aroma box for convenient aromatherapy diffusion. You can put any essential oil and it will function as expected.

This warm and cool mist humidifier comes with a remote control system. However, it has touch features as well.


  • Capacity: Large water tank with 1.5 gallon or 6 litres capacity.
  • Working time up to 36 hours.
  • Auto shut off safety.
  • Two years warranty.
LEVOIT Humidifiers

Moreover, it always reads the exact humidity value for easier setting in accordance to your surroundings. Its auto mode feature ensures it adjusts the humidity level in the room by diffusing the required amount of mist.

This humidifier has LED display lights for easier and convenient reading and setting in the dark as well as backlights that enhance its visibility in the dark. It is designed with a unique leak proof feature.

It diffuses mist very softly and silently. You can actually sleep through it all, conducive and recommended even for a baby’s room.

This combination humidifier has a built-in time control system that enables you to set its use time between 1-12 hours. It can automatically shut off after its countdown.

It has a 2-year warranty and a Levoit lifetime support.


  • Comes with warm and cool mist features
  • This humidifier is remote and touch controlled
  • It can be timed between 1-12 hours and has a convenient auto-shut control system
  • You can add an essential oil in its aroma box for aroma diffusion


  • Its back light and display LED light might be too bright and it does not come with a dim switch

Watch Full Video Review of This Humidfier

3. Honeywell HCM350W Germ-Free Cool Mist Humidifier

Honeywell is a household name in the United States so the quality of this cool mist humidifier is unquestionable. HCM350W germ-free cool mist humidifier has a 1-gallon tank that stores the water needed for producing mist. The capacity is capable of adding mist to dry air for 24 hours on low operation in medium to large-sized bedrooms. The best part is that it comes with an inbuilt bacteria control mechanism to kill 99.9% of germs in water.

It features a wicking filter that blows moisture via an evaporative technology to reach all parts of the room. The evaporative technology acts like a humidity thermostat that regulates the humidity of the atmosphere. In fact, it’s virtually not possible to over humidify an area with this product.


  • Germ-free cool mist humidifier
  • Has an evaporative technology that regulates humid levels
  • Wicking filter
  • 1-gallon water capacity
  • Leaves home 40-60% humidified
Honeywell HCM350W Germ-Free Cool Mist Humidifier

The evaporative technology will leave your house between 40-60% warmer, improve comfort and eliminate the discomfort that comes with dry air. For babies, Honeywell humidifier helps to make the environment more conducive by eliminating threats that can irritate the health of a child.

Honeywell is certified as a free germ control humidifier and is one of the best to relieve cold and allergy-related symptoms.  Finally, it’s easy to clean and maintain.


  • It’s a germ-free humidifier
  • Very good for baby nurseries
  • Relives symptoms associated with allergic reactions
  • Eliminates discomfort that comes from dry air
  • Protects furniture because low humid areas cause wood to shrink


  • Performance can decline as filter ages
  • No inbuilt automatic shut off system

4. Honeywell Top Fill Cool Mist Humidifier

If you are looking for a conveniently easy to use and maintain humidifier, then this cool mist humidifier is the best option for you. It is very cost-effective and comes with a 1.25-gallon water tank that can work up to 36 hours, but only when on low mode.

Besides, the water tank can be filled with a pitcher at the humidifier, or removed and filled at the sink. Likewise, its water tank has a wide opening for easier clean up, fill and emptying.

It can easily clear any dry air that causes coughs and other respiratory congestion. You can easily customize your comfort level with its 180° directional mist vent as well as variable moist control system.


  • Size: 1.25 gallon water tank capacity.
  • Working to up to 36 hours.
  • 2 years limited warranty
  • Auto shut-off safety.
Best Cool Mist Humidifier

This is the best cool mist humidifier as it can automatically shut off when the water level is low. This ensures its safety when you are not around to manually shut it off. In addition, it works very quietly, covering all its bases for a perfect breathable environment.

On the same note, it does not require any filter to function well and comes with an inbuilt demineralization cartridge.

It is designed for medium to large rooms and comes with a 2-year limited warranty.


  • Auto-shuts when empty, for safety purposes
  • Works very silently, you will not even notice it
  • You can remove its water tank for easy filling at the sink
  • It does not require any filter for it to function


  • You cannot use any essential oil with it as they can cause damage and make the warranty null and void

Watch Full Video Review of This Humidfier

5. Air Innovations Cool Mist Digital Humidifier

If you are on the shop for a digital humidifier, this purple humidifier will be ideal for you. It comes with five different settings on mist as well as an adjustable humidistat for effectiveness. You can also rely on its rotating nozzle to direct mist anywhere in the room.

It is the best cool mist humidifier as it can run up to 96 hours, that is 12 nights straight on its 1.7-gallon of full water tank. In addition, it runs very quietly. The only sound it can make out loud is the audio beep for when water runs out, but then again it can auto-shut when it empties to prevent any short circuit.


  • Size: 1.7 gallon tank.
  • Working time up to 96 hours
  • Remote control and auto shut off safety.
Cool Mist Digital Humidifier with Aroma Tray for Large Rooms

This cool mist humidifier is designed to add humidity to larger space areas of up to 600 square feet.  Its whole unit as well as the base is all quality antimicrobial plastic that prevents the formation of mildew, mold and bacteria from the surrounding.

Moreover, it has a ceramic permanent filter to keep the impurities out of your water. Its water tank has wide openings for easier refill. It also has carry handles on its top and bottom tank for easier portability.

In addition to all these, it is ideal for use when you have kids around. It can also rehydrate your whole body and any wooden stuff in the house, relieve your eyes from any dryness as well as help you combat snoring for a better sleep night.


  • It has an anti-microbial base and tank making it resistant to molds and bacteria
  • Comes with up to five mist settings for convenience and maximum use
  • This humidifier comes with a programmable timer for easier on and off turn
  • Auto-shut and audio beep features that keeps it safe when water runs out


  • A bit pricey but emits humidity as stipulated

6. Aennon Cool Mist Ultrasonic Humidifier

This is one of a kind cool mist humidifier with a stylish design, which can blend very well with any room décor. It has a water tank that carries 2.8 liters of water and emits mist for up to 20 hours straight without a refill.

Besides, it works swiftly and silently, day or night. It can humidify your home or working space and relieve you of any nasal congestion, dry air and bad surrounding odor. In relation to this, it has seven in-built LED colors that you can interchange for a serene calming effect. It also has an auto-color flow system you can opt to utilize.


  • Size: 2.8 Liter.
  • Working time approximately 20 hours at low flow rate.
  • Auto shut-off safety. 
  • Package included: 1x Humidifier,  3x Scented Sachets, 2x e-Books, 1x e-Course.
Aennon Cool Mist Humidifier

Moreover, it can help you with the reduction of stress levels as well as enhancing the appearance and quality of your skin tone. It can create a very calming atmosphere conducive for working, sleeping and breathing perfectly. Additionally, it is ideal for use in homes with babies as it is ETL safety approved.

It has an essential oil tray that you can put some essential oil to diffuse an aroma of your choice. Apart from being a humidifier and an aroma diffuser, it can also be a nebulizer, air purifier, moisturizer and ionizer.

In addition, its nozzle can direct mist in multiple directions as it rotates at 360°.

It comes with two e-books, one e-course plus three sachets, scented.


  • Auto-shuts when the reservoir is empty for safety
  • You can drop any essential oil in its oil tray for aroma circulation
  • Features stone filters to keep it clean and eliminate any bad odor
  • This humidifier is safe for kids and is ETL Safety Approved


  • It does not come with a convenient carry handle or remote control
  • Cleaning it is a bit hard as it does come apart but you can always use a bottle brush to scrub it up

7. Relaxzen TrueMist Top Fill Cool Mist Humidifier

If you are looking for an easier to work with as well as maintain humidifier, this should be your only choice for a cool mist humidifier. It comes with a convenient carry handle attached to its water tank. This carry handle enhances its portability as well as detaches its base from the water tank.

Besides, its base is always dry, as the water tank never spills any water in it. In relation, the water tank has a wide opening for a quick and easy refill.

It’s nozzle can emit mist in any direction you want and auto-shut anytime the water runs out.


  • 2.7 Litres Tank capacity.
  • Working time 16-48 (based on setting).
  • A special LED night light gently illuminates the tank with 7 color options
  • Package included: An water level censor with Humidifier.
TrueMsit Humidifier

Its water tank carrying capacity is 2.5 liters. It can work up to 48 hours or 16 hours silently on a low or high setting respectively.  In relation, its water tank is made from quality transparent plastic that makes its water level very visible. However, it has a low water level sensor, just in case, for safety.

In addition, it has seven night LED lights that you can interchange according to your mood to set the right atmosphere.

This product requires no filters and has no any hidden or hard to reach humidifier components. This makes it easier to maintain and control, be it the product or mist level. You can also adjust it and set the level of humidity output you want.


  • Auto-shuts when water level gets too low for proper functionality, this prevents short circuit
  • Highly portable, weighs 4 pounds and has a carry handle
  • Multidirectional nozzle that emits mist everywhere
  • It has a wide water tank making it easy to clean, fill and maintain


  • Sold at a higher rate but functions very well and can last some time due to its patented design

8. Pure Enrichment MistAireCool Mist Humidifier

With this pure Mist Ultrasonic humidifier, you have a product that is equipped with all innovative features to alleviate dry air in your apartment or anywhere else you chose to use it.  With a dedicated 360 mist nozzle, all spray areas including target zones can be covered with this humidifier.  Easily direct the flow of the mist in any direction that pleases you or direct it away from electronics, fans, plants or fabrics.

The pure enrichment Mistaire humidifier has a large 1.5 liter capacity tank that stores water its operation. The capacity tank gives users about 16 hours of continuous operation. However, you’d try to regulate the humidity of the environment to make the most out of this product.


  • Large 1.5 liter capacity tank
  • 16 hours  of continuous operation
  • 360 degree rotational nozzle
  • Sleek and premium looking design
  • Compact and perfect for bedrooms, office space and other small to medium areas
  • Industry leading 5 year warranty preiod
Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier

The large capacity tank provides adequate coverage for bedrooms, office spaces, and medium sized rooms.  It also has an automatic shut off mechanism that completely shuts off all operation once water levels are down or the tank is removed. Included with your purchase of this awesome and stylishly built humidifier is an AC power adapter, cleaning brush, a dedicated Manuel of operation and a 5-year industry leading warranty period. Very few humidifier products can beat that.

We are impressed at the awesome looking design that speaks of pure class. If you are tired of bulky and ugly looking humidifiers that don’t add any contemporary look to the design of your room or office, then you definitely have to give this product a try. Pictures don’t lie; the sleek design is the handiwork of a California based team that put in long hours to come up with this product.


  • Compact product perfect for small areas
  • Sleek design provides a contemporary look
  • Large capacity tank provides 16 hours of continuous humidity
  • Auto shut off system
  • Long 5 year warranty period


  • There might be problem with leaks after prolonged usage
  • Product is fragile and quite hard to clean


Conclusively, cool mist humidifiers are often the best choice for any home or office, as they are easier and safe to use. Besides, they do not emit steam like warm mist humidifiers.

However, some humidifiers combine the two for a warm and cool mist humidifier selection. This gives you the option to choose one humidification mode according to the weather. For instance, you can have warm mist in winter and cool mist humidification in summer.

Nevertheless, a cool mist humidifier will always meet your needs. So, make the right choice and opt for any of the above. You will not regret it.

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