10 Best Cool Mist Humidifier

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Humidifiers offer a lot of benefits in the home; they help regulate allergies, keep control on dust, relieve itchy throats or eyes, and lessen nose bleeds. All this with just a little added moisture to the air. If you're in the market for a humidifier, you've probably already come across the literal hundreds of options out there and may be a little overwhelmed – it's a lot to sift through, after all. To help you narrow your search, we've compiled a list of the best cool mist humidifiers – what they are, and why they're worth looking at, as well as where to find them.

​Table of

Comparison

THE BEST COOL

 MIST HUMIDIFIERS

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There are a few branches of humidifiers to consider once you've decided that your home is in need of one. To avoid spending extra money on specs you don't need, or accidentally skipping the specs you do need, look through these questions. These will help you narrow your search even further as you determine what exactly you need from the best cool mist humidifier.

​1. What Is a Cool Mist Humidifier?

​2. How Big of a Space Do You Need Humidified?

​3. Do You Need to Add in Medicine/Essential Oils?

​4. Do You Need a Quiet Humidifier?

HOW WE REVIEWED: THE BEST COOL MIST HUMIDIFIER

In order to give you the most simple and straightforward comparison, we've used the following criteria: features, pros and cons, price, and warranty. These criteria should cover and highlight all the unique features of each humidifier as well as answer the above questions, so you know exactly which option will be the best cool mist humidifier for your home.

OVERALL

 PRICE RANGE

​Generally speaking, humidifiers have a large price range of about $30 to over $300, however, for the purpose of this article, we have narrowed it to around $25 to $100. In order to keep up with changing prices on the market and to simplify this search for the best cool mist humidifier, we've abbreviated the price of each model as follows: up to $35 is $; to $60 is $$; to $110 is $$$ – with some outliers on either end.

WHAT WE

REVIEWED

  • ​PureGuardian H920BL Ultrasonic Cool Mist Humidifier
  • ​BONECO/Air-O-Swiss Warm or Cool Mist Ultrasonic Humidifier
  • ​TaoTronics Cool Mist Humidifier, 4L Ultrasonic Humidifiers
  • ​Honeywell HCM350W Germ Free Cool Mist Humidifier
  • ​LEVOIT Humidifiers for Large Room
  • ​BONECO Travel Cool Mist Ultrasonic Humidifier 7146
  • ​Honeywell Cool Moisture Console Humidifier
  • ​Crane Humidifier Cool Mist 250 Sq. Ft
  • ​Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier
  • ​Holmes Smart Home Humidifier HCM3888 C-U

10 BEST

HUMIDIFIER

Features

This humidifier is perfect for small rooms like nurseries. It has a .21 gallon tank and a 10 hour run time on low, so using it all night won't be an issue. It is also small in size and easy to place out of the way on a dresser or table. The ability to turn it on nightlight mode makes it a better choice for bedrooms as well since the decrease in bright lights will aid in sleep.

Pros

  • ​Ultrasonic – so quieter while running
  • ​2 speed settings
  • ​Silver Clean protection to prevent mold and mildew
  • ​Nightlight
  • ​Compact
  • ​Filterless

Cons

  • ​No quiet mode
  • ​Needs to be cleaned often – depending on use
  • ​Cannot add in medicine or essential oils

Warranty

There is a 3-year warranty included with this humidifier, so should any issues arise during that time concerning malfunctions or missing pieces, you'll be covered.

Features

This option is better suited for larger rooms (around 600 square feet). It has a 3-gallon output for 24-hour usage (1.5-gallon tank). The ability to switch between warm and cool mist is also a great plus, as is the auto mode that can automatically detect which type of mist is needed and adjust accordingly. The digital display is touch controlled, and there is a whisper-quiet mode as well.

Pros

  • ​Larger tank for larger rooms
  • ​Warm or cool mist
  • ​Auto-detect
  • ​Auto shut off
  • ​Whisper-quiet mode

Cons

  • ​Pricey
  • ​Needs lots of upkeep/maintenance
  • ​No medicine compartment

Warranty

The warranty differs depending on the part in question. The tank only has a 3-month warranty, but the purification system has a 5-year warranty, with 1 and 3-year warranties for other various parts as well.

Features

This humidifier offers a little over a gallon tank and is able to run continuously for 10-30 hours depending on output level. It is best suited for smaller rooms like offices or a nursery and offers a nightlight or LCD shut off mode to aid in sleep. It is ultrasonic, so it runs quietly, though there is no quiet mode. There is also a humidistat that monitors the levels of humidity in the room so you can adjust as needed.

Pros

  • ​Nightlight and shut off mode
  • ​Quieter running
  • ​Auto shut off
  • ​Humidistat

Cons

  • ​Not filterless
  • ​Bottom-loading
  • ​No quiet mode
  • ​No medicine compartment

Warranty

There is a standard warranty included, though most users have not needed to cash in on it, given the maintenance is kept up with. This warranty will only cover malfunctions and not user error.

Features

There is a 1-gallon tank for this humidifier that comes equipped with a handle and is easily detachable from the rest of the machine, so the filling process is easier. The size and output of this humidifier is well suited for a small or medium room, depending on how long it will be used. There is UV technology to ensure the moisture produced is germ-free as well, so using it in a child's room to aid in preventing illness is still doable. An added humidistat also helps regulate the moisture in the room.

Pros

  • ​Easy filling and cleaning
  • ​UV technology for germ-free moisture
  • ​Humidistat

Cons

  • ​Regular cleaning and filter changes required
  • ​No medicine compartment
  • ​No quiet mode

Warranty

There is a 3-year limited warranty to cover malfunctions or manufacturer error. This is a standard amount of time for a warranty of this type of product and many users have not needed to utilize it.

Features

You can use warm or cool mist through this humidifier and use a separate remote to change or adjust the level of humidity or turn the machine on or off (as well as a few others). There is a 1.5-gallon tank, which will work for more medium-sized rooms and offices. It operates on a low-noise level with touchpad controls and can auto adjust as needed to different levels and temperature. This humidifier has a medicine compartment as well.

Pros

  • ​LCD shut off
  • ​Medicine compartment
  • ​Warm or cool mist
  • ​Auto adjust
  • ​Remote

Cons

  • ​Not filterless
  • ​Bottom loading
  • ​Needs constant cleaning and maintenance
  • ​No quiet mode

Warranty

There is a two-year warranty included, however, many users have reported needing to utilize it almost immediately with issues of leaking, incorrect humidistat readings, and other malfunctions.

Features

This may be a new design for many – it is a travel humidifier that comes with an adapter to work with water bottles. It has a 1-gallon output level and is incredibly small and portable – making it a great choice for offices or hotel rooms. It comes with a carrying pouch to pack it in your luggage as well.

Pros

  • ​Portable
  • ​Level options
  • ​Auto shut off
  • ​Adapter for water bottles

Cons

  • ​Requires constant cleaning and maintenance supplies
  • ​Will not last through the night on low setting
  • ​Larger water bottles won't fit
  • ​No medicine compartment
  • ​No quiet mode

Warranty

Like the other Boneco humidifiers, this one has a varied warranty depending on the part – from 3 months to 5 years. Given the user feedback, this humidifier has performed fairly well.

Features

This humidifier features 2 tanks for a total capacity of 3 gallons. It has multiple levels and can run for 24 hours on low. The humidistat can automatically turn the humidifier on or off to reach the set humidity level, and it features a quiet design to run in bedrooms with less disruption. It is built to humidify multiple rooms at once as well.

Pros

  • ​Auto-detect design
  • ​Large capacity for multiple rooms
  • ​Quiet design

Cons

  • ​Not filterless
  • ​Requires regular cleaning and maintenance
  • ​No medicine compartment
  • ​No quiet mode
  • ​Replacement filters are inefficient and hard to come by

Warranty

There is a three-year limited warranty included to cover malfunctions and manufacturer error. While users have not had issues covered by the warranty, they have been let down by various design choices.

Features

This is a compact, 1-gallon filterless humidifier built for smaller rooms like offices or a nursery. It offers a whisper-quiet mode and can run for up to 24 hours. There is an auto shut off and clean control to prevent mold and bacteria.

Pros

  • ​Whisper-quiet mode
  • ​Compact
  • ​Low light levels
  • ​Filterless

Cons

  • ​No medicine compartment
  • ​Not easy to fill and transport
  • ​Mist instead of vapor

Warranty

There is a one-year limited warranty that has been sufficient for this humidifier. However, it should be noted that the warranty does not extend to Arkansas or Hawaii.

Features

This humidifier offers a 1.5 Liter tank, making it a good choice for small rooms. It can run for up to 16 hours on low and offers other speed settings as well. It has a whisper-quiet mode as well as auto shut-off. There is also an optional nightlight mode for when this humidifier is in a bedroom. It is also simple to fill since it can be detached from the base.

Pros

  • ​Whisper-quiet mode
  • ​Easy to fill
  • ​Auto shut-off
  • ​Filterless

Cons

  • ​Hard to clean
  • ​Needs daily cleaning if being used daily
  • ​Issues with leaking
  • ​No medicine compartment

Warranty

There is a two-year warranty for this humidifier, however, users have reported having trouble getting in contact with customer support to report or solve issues regarding malfunctions.

Features

This humidifier operates through wifi on a (free) app for your phone – making it an innovative contender for best cool mist humidifier. You'll get all your needed alerts and updates there and can order filters too. It has a 5-gallon water tank with a 14-gallon output per day. This is built for large spaces (around 2500 square feet) and can run for 72 hours depending on the setting. There are 5 speed level settings with a humidistat and auto adjust features.

Pros

  • ​Large capacity
  • ​Can be controlled through the app
  • ​Auto shut-off, detect, and adjust
  • ​Easy to fill detachable tanks
  • ​Runs quietly

Cons

  • ​Pricey (most expensive on the list)
  • ​Not filterless
  • ​No medicine compartment
  • ​No specific quiet mode

Warranty

There is only a 1-year warranty included with this humidifier, which we feel is a little short given what the humidifier is marketed to do. Users have not needed to cash in on the warranty, however.

THE VERDICT: THE BEST COOL MIST HUMIDIFIER

There are certainly a lot of options here, and, while we hope you've been able to narrow down your search and find the best cool mist humidifier for your home, here are some suggestions just in case:

For a small room like an office or nursery, we recommend the Leviot or PureGarden humidifiers. Both of these offer a medicine compartment, which is a useful feature for children's rooms especially. Neither are heavy on maintenance either – so they won't add too much to your to-do list.

For large spaces, the Holmes or Boneco/Air Swiss humidifier will likely be the best options to look at. There is a definite price difference between them, but they'll both work for larger spaces.

There are, of course, lots of other options on here for the best cool mist humidifier, and we hope that you've found the right fit for your needs, regardless of our above suggestions.

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