Best Cool Mist HumidifierCool mist humidifiers are models that provide comfortable supply of mist at room temperature. This type of unit could feature ultrasonic or evaporative technology, which is helpful in preventing unwanted health effects of dry air, such as nose congestion, difficulty in breathing, respiratory problems, and dry skin among others.

If you prefer this type of mist humidifier, you should choose wisely, by considering any of the following products.

Top 10 Best Cool Mist Humidifiers for 2017

ImageModel NamePriceReviewsAvailability
HONEYWELL HCM-350Honeywell HCM-350$$5 star
CRANE DROP ULTRASONIC COOL MIST HUMIDIFIERCrane Drop Ultrasonic Cool Mist Humidifier$$4 star
VICKS 1.0 GALLON COOL MIST HUMIDIFIERVicks Cool Mist Humidifier$4 star
AIR-O-SWISS WARM OR COOL MIST ULTRASONIC HUMIDIFIER 7147Air-O-Swiss Ultrasonic Humidifier 7147$$$4 star
BIONAIRE COOL MIST TOWER HUMIDIFIERBionaire Cool Mist Tower Humidifier$$4 star
TAOTRONIC HUMIDIFIER ULTRASONIC COOL MISTTaoTronic Humidifier Ultrasonic Cool Mist$$4.5 star
ROOLEN BR01/W BREATH COOL MIST HUMIDIFIERRoolen BR01/W Breath Cool Mist Humidifier$$4 star
SAFETY 1ST ULTRASONIC 360 HUMIDIFIERSafety 1st Ultrasonic 360 Humidifier$4 star
HOLMES SMART HOME HUMIDIFIER HCM3888CHolmes Smart Home Humidifier HCM3888C$$$4 star

Honeywell HCM-350

The cool mist humidifier is described as a germ-free moisture generator that could provide up to 25 percent quieter performance. The QuiteCare performance of the product is matched with its dispersion of invisible and soothing moisture in an area of up to 400 square feet size. As stated in Mayo Clinic article, humidifiers are appliances that could ease your skin and breathing problems. With the right level of moisture, you could get relief from respiratory and cold symptoms.


  • Plenty of moisture for medium-sized spaces
  • Easy maintenance
  • Base and tank are dishwasher safe
  • Reduces leaks
  • Three speed settings for moisture and sound levels
  • Up to 24-hour runtime on low mode


  • Wicking Filter

It has a wick that gets rid of water impurities while ensuring a clean moisture generation and dust removal.

  • 99 Percent Impurities Protection

The humidifier has the ability to destroy as much as 99 percent of fungus, bacteria, viruses, and mold.

  • Self-Evaporating Evaporative System

The unit adjusts its output based on the amount of moisture the air can provide.


  • Quite Bulky

You may need to find a good location for the unit since it is bigger than expected.

Crane Drop Ultrasonic Cool Mist Humidifier

The humidifier is designed for variable moisture output control and humidity settings. The unit has an automatic shut-off function, which is best if you want to prevent overheating. It would automatically turn off when water runs out. Besides, the humidifier has a very quiet technology, ideal for night time operation. There is also a removable tank that could take in one gallon in the appliance, which you could fit even under most sinks.


  • Ultrasonic Cool Mist for easier breathing
  • Relives dry air negative effects to the health
  • Recommended unit for non-medicated alternative to colds and cough
  • Reduces up to 99.96 percent bacterial and mold growth
  • Modern and simple design
  • More cost-effective than a light bulb


  • Runs Up to 24 Hours

The humidifier guarantees all-day protection. According to Critical Cactus excerpt, maintenance of proper humidity level at home is not only about having reduced electricity bill, but combating serious illnesses.

  • Whisper-Quiet operation

Your family will definitely have a good night sleep with the product. The unit is also set to shut off when the water tank is empty, reducing need for continuous moisture processing.

  • Few Steps Operation

You may use the humidifier without necessarily following complex steps or asking for professional guidance.


  • Difficult Refilling

The design of the water reservoir is not effective for easy refilling. The opening is small and the container drips every time.

Vicks 1.0 Gallon Cool Mist Humidifier

The humidifier is designed for increasing air moisture in your home for both easy breathing and great bedtime comfort. It gets rid of dry air’s negative effects, such as nose bleeds, dry cough, dry skin, hair frizziness, and nasal congestion among others. The product is also a recommended non-medicated option to treat colds and cough in your family. Furthermore, the humidifier is designed to kill up to 99.96 percent of bacteria and mold development.

Vicks 1.0 Gallon Cool Mist HumidifierFeatures

  • Easy filling and removable one gallon tank
  • Quiet operation
  • Quick and easy maintenance
  • Two comfort settings
  • Available with dishwasher-safe tray
  • Three-year warranty


  • Dry Air Protection

It ensures that all negative effects of dry air on health would be prevented, such as allergic reactions, dry throat, and itchy skin. Even your furnishings would be further protected from peels and cracks.

  • Quiet Even on Medium Mode

Even if you set the humidifier on medium setting, it would still run quietly for up to 18 hours without interruption.

  • Hygienic Cleaning

The tray of the humidifier could be cleaned with a dishwasher, which is also an advantage in preventing leaks of water.


  • Filter Mold Growth

The growth of mold in the filter is quite fast, which is why you could anticipate frequent cleaning. This could be dangerous as well if you do not have spare time to keep the unit generating bacteria-free moisture.

The aforementioned products are declared to be the best you could find under cool mist humidifier category. If you are still confused which to select, then you should study more on how to choose the best unit for your family.

Air-O-Swiss Warm or Cool Mist Ultrasonic Humidifier 7147

The unit could humidify up to 600 square feet area through the application of its well-known vortex circulation. The humidifier is also designed with an adjustable hygrostate, which could automatically control humidity. There are options for either cool or warm mist to generate. For every four gallon filling, you could anticipate the product to operate as long as 24 hours. Furthermore, the unit is designed for very manageable assembly, cleaning, and maintenance.

Air-O-Swiss Warm or Cool Mist Ultrasonic Humidifier 7147Features

  • Takes in large amount of dry air
  • Balances humidification in large spaces
  • Long, uninterrupted operation
  • Quicker moisture distribution
  • Applicable for night time operation
  • Operates until desired humidity is reached


  • Ultrasonic Humidification

It has a specially designed scheme that could take in large amounts of dry air, which would be converted to clean moisture. You must understand that dry air must be eliminated given its tons of negative effects on the human body, as highlighted by

  • Easy-to-Use Settings

You have fewer settings to set with the unit since it has simplified controls for moisture output, level of operation, and preferred humidity level.

  • Three-Year Warranty

The product is offered with a three-year warranty, which is among the longest product guarantees you could find for humidifiers.


  • Difficult Refilling Procedure

You would not be able to put the humidifier on the floor, which means it would be more difficult to refill. Specifically, it must be three feet above the ground to avoid leakage.

Bionaire Cool Mist Tower Humidifier

The product is a space-saving solution that has a tower design. The stylish chrome accent of the product is perfected with its advanced LCD displays. Besides, the humidifier features dishwasher-safe drain tray and humidity level controls.

Bionaire Cool Mist Tower HumidifierFeatures

  • Professional and attractive design
  • Takes little space
  • Ultra quiet operation
  • Easy cleaning and maintenance
  • Accessible filters
  • Quick humidity generation


  • Three Humidity Settings

You could choose from low, medium, or high modes in processing moisture.

  • Programmable Turn On/ Off Feature

The product could be set to turn on or off depending on the number of operation hours.

  • Decent Performance

It has accurate humidistat, guaranteeing the right level of moisture in your home all day.


  • Breaks easily

If not used with care, it may crack easily. Even the handles create a slanted end, making you prone to slips.

TaoTronic Humidifier Ultrasonic Cool Mist

The mist generator is designed to get rid of magnesium ions, microorganisms, and calcium, which may make your home’s moisture less fresh. It has a capacity of one gallon of water that could run up to 15 hours. The humidifier could cover up to 538 square feet of area.

TaoTronic Humidifier Ultrasonic Cool MistFeatures

  • Normal indoor humidity that can be high or low
  • Protection from dry air negative effects
  • Ceramic filter for eco-friendly humidification
  • Great for winter
  • LED display for humidity level indication
  • Silent operation


  • Long-Lasting

The water reservoir that could take in one gallon could work up to 15 hours minus the interruption.

  • Sleep Mode

You may use the unit even while your kids are asleep without the night light.

  • Automatic Shut-Off

It would turn off when the water level becomes low.


  • Brittle Plastic Material

The tank has a cheap material, which is prone to easy breakage when refilling.

PureGuardian H920BL Ultrasonic Cool Mist Humidifier

The ultrasonic cool mist humidifier is best used for nursery and baby rooms. It is designed for comfort, portability, and soothing cool mist generation. It could work up to 10 hours with a moisture output of 2.4 liters.

PureGuardian H920BL Ultrasonic Cool Mist HumidifierFeatures

  • Ideal for small rooms
  • Quick relief from dry air negative health effects
  • Prevents mildew and mold growth
  • Optional night light feature
  • Low or high mist controls
  • Compact size


  • Optimized Comfort

The humidifier is designed to generate soothing cool mist.

  • Silver Clean Protection

It gets rid of impurities on the water tanks.

  • Space-Saving Design

The product could fit in even in the small spaces of your bedroom, nursery, or office.


  • Poor High Mode

It does not generate much moisture even at high setting.

Roolen BR01/W Breath Cool Mist Humidifier

The product is made as an ultrasonic mist generator, which has a capacity of as much as three liters. Higher efficiency is assured by the unit since it uses a large fan. The unibody structure of the humidifier also features a dual-mode technology. It could cover up to 400 square feet of area with its tank volume of 0.83 gallon.

Roolen BR01/W Breath Cool Mist HumidifierFeatures

  • Dry air protection
  • Two output options
  • Saves energy
  • Quick and one-touch operation
  • Automatic mode
  • Small-sized but big capacity.


  • Long Runtime in Every Refill

For every refill, you could anticipate the product to work up to 24 hours.

  • Lower Power

It uses less power despite its higher efficiency.

  • Perfect Humidity Balance

The unit adjusts itself to the most comfortable moisture level.


  • Messy Operation

Though it generates a lot of mist, it also produces tons of residues that may require frequent tabletop cleaning.

Safety 1st Ultrasonic 360 Humidifier

The humidifier is designed not only for adults, but for infants as well, proving that it has a very soothing moisture output. It promotes quieter operation, which is ideal for bedtime alongside the comfort of dry air protection.

The unit is relatively designed with dual 360-degree mist outlets. Moreover, it has easy filling tanks for 12 hours of uninterrupted baby room humidification.

Safety 1st also included an automatic shut-off feature for the product to protect your family from fire hazard when water runs out.

Safety 1st Ultrasonic 360 HumidifierFeatures

  • Easy filling reservoir for water
  • Quiet ultrasonic operation for babies
  • Quick maintenance requirement
  • Raises indoor humidity levels
  • Eases cold symptoms and other dry air effectsNo filters required


  • Children Protection

The humidifier could distribute moisture evenly for two children despite them being in different beds. According to Compact Appliance, the paramount benefit of using humidifier in nursery is its protection against dry air.

  • Built-in Handle for Tank

It is easier to refill the tank since lifting it from the unit is also easier.

  • Mist Generation Control

You could set how much mist you want to generate for your home. Higher settings are for faster emission and low for lesser mist.


  • Leaking

There are customers who complained that after a short-term use of the product, it leaks just below the dial.

Holmes Smart Home Humidifier HCM3888C

The humidifier has a capacity of four gallons, which could generate 6.75 gallon of mist. The unit could cover up to 2,500 square feet of area. Moreover, it has five comfort levels with more than 60 hours of runtime.

Holmes Smart Home Humidifier HCM3888CFeatures

  • Provides 100 percent filtered air
  • Automatic humidistat
  • WeMo app connectivity
  • Easy setup and control
  • Two easy to refill tanks
  • Easy filter replacement


  • Cleaner Moisture

It has a pure evaporative technology, which promotes complete water filtration for fresher moisture.

  • Holmes Smart Humidifier Filter

The filter makes use of Arm and Hammer Baking Soda to fight away odors and impurities.

  • Filter Replacement and Water Level Notifications. You would be alerted when you need to replace the filters or the tank runs out of water.


  • Leaks

Many have reported large amounts of water wastage after using the humidifier.

Buying Considerations

There are certain factors you need to take regard of before purchasing a humidifier. A few are the following that would best help:

  • Size

The size of the humidifier would depend on your preferences. There are cases that you may need larger units if you would need to balance moisture in larger spaces. Relatively, there are various models based on size you could use:

  • Whole House Humidifier

This is a type of unit that could be used for areas with a size of 1,700 to 2,700 square feet. In addition, the appliance would work best if you have open doorways where air could proceed and be dispersed to other rooms.

  • Room Humidifier

The unit, from the name itself, is effective levelling moisture in a single or multiple rooms having sizes of 650 to 1,200 square feet. This humidifier could be evaporative or ultrasonic cool mist models.

  • Portable Humidifier

This is considered best if you would like to set a moisture generator in a single room. It is the cheapest for it could be very small and lightweight. Moreover, it is also excellent in travelling for it is mobile.

  • Cool Mist Humidifier Types

You have two major choices in terms of moisture processing system, which are evaporative and ultrasonic cool mist humidifiers.

  • Evaporative Cool Mist Humidifier

The machine is known for being very affordable. You may also easily operate and run the machine due to its simplified settings. Despite its straightforward program, you could still use it in larger spaces.

Due to the fan noise, it could be slightly noisier than warm mist humidifiers. There would be decreased evaporation of water in the unit as the humidity rate increases.

However, this could be a problem if you prefer moisture levels higher than 50 percent. Too much moisture is proven disadvantageous as featured in this video.

  • Ultrasonic Cool Mist Humidifier

This type of cool mist humidifier is popular for its quieter operation. Moreover, the unit requires less cleaning or maintenance. Most importantly, the amount of humidity you may add to the air is limitless.

This is a good option for people who want to raise moisture levels more than 45 percent to preserve the quality of certain products or materials.

  • Noise Concer

Do you think you could go on with your daily lives with a pretty loud humidifier? Otherwise, do you need a bedtime moisture balancer? Generally, you could anticipate any humidifier to be quite noisy.

The only option you have now is to select a unit that is less noisy than other models available. If you would be putting the unit in bedrooms or home offices, it is most ideal to use an ultrasonic humidifier.

A fine and soothing mist is generated by ultrasonic humidifiers for it utilizes high-frequency sound waves to resonate diaphragm at frequencies.


Now that you have insights on the best cool mist humidifiers as well as buying considerations, you would be able to choose a product wisely. Nonetheless, do not forget taking into regard your needs and preferences. This way, you would obtain a humidifier that would help solve your concerns directly.