This is a complete buyer’s guide to best filterless cool mist humidifier. We didn’t just add this filterless cool mist humidifier based on our personal opinion. Our consideration of finding the top filterless cool mist humidifier for you that is based on many factors like Review, price, specification, etc…

We have spent around 45 hours to find the right option for you and based on our research Vicks Mini Filter-Free Cool Mist Humidifier, Small Room, .5 Gallon Tank, Blue – Visible Mist Small Humidifier for Bedrooms, Baby Nurseries and More, Works with Vicks VapoPads is our top pick for you. This is one of the best products currently available in the market. However, if you don’t want to spend extra then we have another great option for you is LEVOIT Cool Mist Humidifiers for Bedroom, 2.4L Ultrasonic Air Vaporizer for Babies [BPA Free], 24dB Ultra Quiet, Optional Night Light, Filterless, 0.63gal, Blue. Below is a review of some of the best filterless cool mist humidifier, together with their specifications and functions. So, let’s Get Started!

Best filterless cool mist humidifier

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Product Title
Score

Homasy Cool Mist Humidifiers, 28dB Whisper-Quiet Humidifiers for Bedroom, Easy to Clean & Control Air Humidifier, Auto Shut-Off, 24H Work Time, Blue
9.8

Vicks Filter-Free Ultrasonic Cool Mist Humidifier, Medium Room, 1.2 Gallon Tank – Visible Cool Mist Humidifier for Baby, Kids and Adult Rooms, Bedrooms and More, Works With Vicks VapoPads
9.6

Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier - Premium Humidifying Unit with Whisper-Quiet Operation, Automatic Shut-Off and Night Light Function - Lasts Up to 16 Hours
9.3

LEVOIT Cool Mist Humidifiers for Bedroom, 2.4L Ultrasonic Air Vaporizer for Babies [BPA Free], 24dB Ultra Quiet, Optional Night Light, Filterless, 0.63gal, Blue
8.8

LEVOIT Humidifiers for Bedroom, 4L Ultrasonic Cool Mist Humidifier for Large Room Babies, Air Humidifier with Essential Oil Tray, Quiet Operation, Auto Shut-Off, Lasts up to 40 Hours
8.4

Cool Mist Humidifier – Humidifier for Baby Bedroom, Super Quiet Mist Humidifier with High Low Mist, Waterless Auto-off, Night Light, 2L Capacity, Filterless Humidifiers for home office, ETL Approved
8.2

Cool Mist Humidifier - Ultrasonic Humidifier for Bedroom, Quiet Baby Humidifier With Adjustable Mist, Timer, Night Light, Sleep Mode, Last Days & Nights, Filterless BPA Free Humidifier For Home Officet Light, Sleep Mode, Last Days & Nights, Filterless BPA Free Humidifier For Home Office
7.8

Vicks Mini Filter-Free Cool Mist Humidifier, Small Room, .5 Gallon Tank, Blue – Visible Mist Small Humidifier for Bedrooms, Baby Nurseries and More, Works with Vicks VapoPads
7.5

Honeywell HUL535B Cool Mist Humidifier Black Filter Free with Auto Shut-Off & Variable Settings for Medium Room, Bedroom, Baby Room
7.3

iTvanila Humidifiers, Cool Mist Humidifier for Bedroom, 2.7 L/0.7 Gal Baby Humidifier with Adjustable Output, Lasts to 30 Hours, Whisper-Quiet, Auto Off, Filterless Humidifier for Home Office Nursery
6.7

Homasy Cool Mist Humidifiers, 28dB Whisper-Quiet Humidifiers for Bedroom, Easy to Clean & Control Air Humidifier, Auto Shut-Off, 24H Work Time, Blue


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Homasy Cool Mist Humidifiers, 28dB Whisper-Quiet Humidifiers for Bedroom, Easy to Clean & Control Air Humidifier, Auto Shut-Off, 24H Work Time, Blue

$36.99  in stock
8 new from $34.99
5 used from $29.79
Free shipping
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Amazon.com
as of April 9, 2021 10:38 am

Features

  • Efficient Humidifiers for Bedroom: With 2.2L large tank, the cool mist humidifier allows up to 24 hours of working in low mist. omni-directional rotating nozzle ensures an even level of humidity distributed at home. Breathe the forest fresh air in your home.
  • Whisper-quiet Bedroom Humidifier: Homasy Ultrasonic humidifier lowers the noise level to 28dB (quieter than a computer) for quiet humidification without disturbing your study, working or sleeping, away from those nasty noises.
  • Easy to Clean and Refill: Designed with 3.25 inches large opening, Homasy cool mist humidifier is really convenient for your daily clean and easy to refill. And the arc shaped handle with anti-slip grooves offers you securer grip than others, easy to carry to anywhere you want.
  • Precise Mist Output Control: Designed with dial knob mist control, you can adjust mist output volume to ideal humidity level for comfort and health by the dial knob. Which is more precise than the button control.
  • Auto Shut-off and Safe to Use: Homasy humidifier for bedroom will automatically shut off with red LED light on when runs out of water. You can totally free your worry about it will dry running when you are sleeping.

Vicks Filter-Free Ultrasonic Cool Mist Humidifier, Medium Room, 1.2 Gallon Tank – Visible Cool Mist Humidifier for Baby, Kids and Adult Rooms, Bedrooms and More, Works With Vicks VapoPads


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Vicks Filter-Free Ultrasonic Cool Mist Humidifier, Medium Room, 1.2 Gallon Tank – Visible Cool Mist Humidifier for Baby, Kids and Adult Rooms, Bedrooms and More, Works With Vicks VapoPads

$59.99
$39.86  in stock
17 new from $39.86
3 used from $36.67
Free shipping
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as of April 9, 2021 10:38 am

Features

  • VICKS FILTER-FREE COOL MIST HUMIDIFIER: This cool mist humidifier won't need replacement filters, & it's 1.2 gallon tank can give up to 33 hours of soothing mist. Vicks cool mist humidifier is quiet, making it great for your bedroom or baby's nursery
  • VICKS HUMIDIFIERS FOR BABIES, KIDS, ADULTS: Humidifiers diffuse moisture into the air, and many women and men find that a humidifier for the bedroom becomes an essential part of a good nights sleep when the air is dry, in allergy season, or when sick
  • COUGH & CONGESTION RELIEF: When you or your kid has a cold, it can be difficult to sleep through the night. Humidifiers, vaporizers, & steam inhalers provide temporary relief from coughing & congestion, so your rest won't be as disturbed by coughing fits
  • VICKS VAPORIZERS, HUMIDIFIERS, & STEAM INHALERS: Moisture & humidity offer temporary relief from cough & congestion due to colds or allergies. Vicks line of humidifiers & steam inhalers, help you breathe easier wherever you are, from the bedroom to office
  • HUMIDIFIERS FOR BEDROOMS, DESKS,TABLES: Our humidifiers & vaporizers help you breathe better wherever you are.

Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier – Premium Humidifying Unit with Whisper-Quiet Operation, Automatic Shut-Off and Night Light Function – Lasts Up to 16 Hours


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Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier - Premium Humidifying Unit with Whisper-Quiet Operation, Automatic Shut-Off and Night Light Function - Lasts Up to 16 Hours

$39.99  in stock
2 new from $39.99
4 used from $36.79
Free shipping
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Amazon.com
as of April 9, 2021 10:38 am

Features

  • ULTRASONIC COOL MIST TECHNOLOGY: Safely moisturizes the air for up to 16 hours of continuous operation so you can breathe easy and get more restful sleep | High and low speed settings make it easy to adjust mist direction and speed to fit your comfort level
  • 1.5-LITER WATER TANK: Provides ideal coverage for bedrooms, offices, and other medium-sized rooms
  • OPTIONAL NIGHT LIGHT: Offers soothing glow for maximum relaxation
  • AUTOMATIC SHUT-OFF: Turns humidifier off when water level is low or the water tank is removed
  • WHAT YOU GET: Humidifier, AC power adapter, disk cleaning brush, user manual, industry-leading 5 Year Warranty, caring customer support 7 days a week, and the peace of mind that comes from a trusted brand with millions of customers worldwide.

LEVOIT Cool Mist Humidifiers for Bedroom, 2.4L Ultrasonic Air Vaporizer for Babies [BPA Free], 24dB Ultra Quiet, Optional Night Light, Filterless, 0.63gal, Blue


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LEVOIT Cool Mist Humidifiers for Bedroom, 2.4L Ultrasonic Air Vaporizer for Babies [BPA Free], 24dB Ultra Quiet, Optional Night Light, Filterless, 0.63gal, Blue

$39.99  in stock
3 new from $39.99
4 used from $26.21
Free shipping
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Amazon.com
as of April 9, 2021 10:38 am

Features

  • SAFE & HEALTHY: The cool mist humidifier automatically shuts off when water level is low. It’s also BPA free, FCC Certified, ETL listed, CA65 Tested and ROHS Compliant, making it safe and healthy for baby and all your loved ones
  • WHISPER QUIET: The patented silencer allow the humidifier to make only 24dB of sound at low setting. Meanwhile, the noise level of high setting is just less than 30dB, which is quieter than a library
  • OPTIONAL NIGHT LIGHT: The filter-free humidifier features an optional soothing blue night light. Alternatively, you can turn off all display lights so you’re not disturbed you while you sleep
  • EASY TO CLEAN: Simple structure design and detachable silencer allow you can clean every nook and cranny of the air humidifier. A cleaning brush is also included for easy cleaning
  • LONG LASTING: Run your ultrasonic humidifier for up to 24 hours at low setting, 13. 3 hours at medium setting and 9. 6 hours at high setting, made possible by the 0. 63 gal / 2. 4 L water tank

LEVOIT Humidifiers for Bedroom, 4L Ultrasonic Cool Mist Humidifier for Large Room Babies, Air Humidifier with Essential Oil Tray, Quiet Operation, Auto Shut-Off, Lasts up to 40 Hours


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LEVOIT Humidifiers for Bedroom, 4L Ultrasonic Cool Mist Humidifier for Large Room Babies, Air Humidifier with Essential Oil Tray, Quiet Operation, Auto Shut-Off, Lasts up to 40 Hours

$39.99  in stock
3 new from $39.99
2 used from $32.37
Free shipping
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as of April 9, 2021 10:38 am

Features

  • Easy to Clean & Refill: The 3. 8 in / 9. 65 cm opening lets you quickly refill the water tank and conveniently wipe down the interior of the humidifier. For a more thorough clean, remove the detachable silencer and use the complimentary cleaning brush.
  • 4L Large Capacity: The 1. 06 gal / 4 L water tank allows for up to 40 hours of continuous use at low setting and 10 hours of continuous use at high setting. And the humidifier will be able to run for a longer or shorter time depending on the environmental temperature and humidity. The cool mist humidifier is perfect for bedrooms, baby nurseries, and other mid-sized rooms
  • Aromatherapy: Add essential oils to the aroma tray of the filter-free humidifier to infuse the air with your favorite fragrances
  • Levoit Advanced Ultrasonic Technology: The ultrasonic humidifier atomizes water, turning it into a fine mist (
  • Reliable Safety: The cool mist humidifier automatically shuts off when you lift up the water tank or when it runs out of water. It’s also BPA free, ETL listed and CA65 tested, which makes it perfect for your baby nursery. Note: This humidifier is not smart-plug compatible

Cool Mist Humidifier – Humidifier for Baby Bedroom, Super Quiet Mist Humidifier with High Low Mist, Waterless Auto-off, Night Light, 2L Capacity, Filterless Humidifiers for home office, ETL Approved


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Cool Mist Humidifier – Humidifier for Baby Bedroom, Super Quiet Mist Humidifier with High Low Mist, Waterless Auto-off, Night Light, 2L Capacity, Filterless Humidifiers for home office, ETL Approved

$39.99
$29.99  in stock
2 new from $29.99
Free shipping
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Amazon.com
as of April 9, 2021 10:38 am

Features

  • 【WHISPER-QUIET OPERATION with ULTRASONIC TECHNOLOGY】- Ultrasonic humidifier lowers the noise level to 32dB for quiet humidification. So it won’t disturbing your bedtime, working or study – ideal humidifier for baby room or office space.
  • 【ALL NIGHT MIST with 2-LITER WATER TANK】- Holding up to 2 liters (0.5gallon) of water, the cool mist humidifier allows up to 10 hours of working time in low mist. It provides up to 200 sq.ft coverage for bedrooms, offices, and other medium-sized rooms. Besides, soothing dim NIGHT LIGHT Offers maximum relaxation during sleeping.
  • 【AUTOMATIC SHUT-OFF for INCREASED SAFETY】- The cool mist humidifier will automatically shut off with red LED light on when water level is low or the water tank is removed. No worry when you are in a hurry leaving home.
  • 【HIGH/LOW MIST LEVELS with EASY USE BUTTON】- 2 mist setting levels (High and low speed settings) for you to adjust mist direction and speed to fit your comfort level. Simple one touch button is quite easy to understand and setup.
  • 【NO FILTER NEEDED and BILL SAVES】– No longer worrying about the expensive filters with this filterless humidifier. This cool mist humidifier is covered with 365 days replacement and 60 days money back promise. Ucareair provides hassle-free services with in 24 hours if you have any concerns.

Cool Mist Humidifier – Ultrasonic Humidifier for Bedroom, Quiet Baby Humidifier With Adjustable Mist, Timer, Night Light, Sleep Mode, Last Days & Nights, Filterless BPA Free Humidifier For Home Officet Light, Sleep Mode, Last Days & Nights, Filterless BPA Free Humidifier For Home Office


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Cool Mist Humidifier - Ultrasonic Humidifier for Bedroom, Quiet Baby Humidifier With Adjustable Mist, Timer, Night Light, Sleep Mode, Last Days & Nights, Filterless BPA Free Humidifier For Home Officet Light, Sleep Mode, Last Days & Nights, Filterless BPA Free Humidifier For Home Office

$49.99  in stock
1 new from $49.99
2 used from $45.99
Free shipping
Buy Now
Amazon.com
as of April 9, 2021 10:38 am

Features

  • 【LONG LAST MOISTURE & ULTRA RELIEF】This 4.5L ultrasonic cool mist humidifier uses high-frequency sound vibrations, providing quiet sleeping environment (less than 28dB) also creating a cooling mist for up to 40 hours(low mist mode), which means there’s no necessary to refill it constantly. A great pick for a bedroom, nursery, or any medium large-sized room in your home.
  • 【VARIOUS SETTINGS FOR CUSTOMIZED HUMIDITY】Maintaining the right level of humidity can help keep you healthier. This humidifier for bedroom comes with multiple settings for mist level and timer. You can customize the mist humidifier to your space by selecting your ideal misting speed (low, medium or high) and setting the timer on 2, 4, or 8 hours. Besides, the sleep mode option allows you to turn off all the lights for deeper sleep. Enjoy the right fresh air at home is just so easy here.
  • 【ENJOY BETTER HUMIDITY WITH HIGHER MIST】One of the greatest feature of this air humidifier is the mist is pumped right upwards to the air up to 30 inches while other humidifiers only about 24 inches. In this case, the mist can be powerful enough to cover your desired square footage. What’s more, this bedroom humidifier has a 360 nozzle, which you can rotate it to reach any corner or direct mist away from sensitive areas, like baby’s crib, upholstery or plants.
  • 【EASY TO USE WITH AN EXTRA HANDLE】Feeling a mess to carry a heavy water tank? Unlike other large humidifier, this cool mist humidifier comes with a sturdy handle on the top. This is to say you can easily carry the tank to refill or clean. If you want a long lasting humidifier, this humidifier with upgrade solid material will be a great investment. It is a customized ultrasonic humidifier to make your life easier and healthier.
  • 【SAFE USE HUMIDIFIER】Safety always matters. The auto-shut off feature of this quiet humidifier can ensure your safety and guard your sweet dream at night. If you have a baby, there’s no worry to use this BPA free humidifier as it is ETL, FCC, CE, ROSH approved. Plus the sleek design in gray color, this baby humidifier is just an dedicate addition to any modern home. If you have any question or issue with the unit, simply contact us directly. We will support you within 24 hours.

Vicks Mini Filter-Free Cool Mist Humidifier, Small Room, .5 Gallon Tank, Blue – Visible Mist Small Humidifier for Bedrooms, Baby Nurseries and More, Works with Vicks VapoPads


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Vicks Mini Filter-Free Cool Mist Humidifier, Small Room, .5 Gallon Tank, Blue – Visible Mist Small Humidifier for Bedrooms, Baby Nurseries and More, Works with Vicks VapoPads

$39.99  in stock
11 new from $39.99
Free shipping
Buy Now
Amazon.com
as of April 9, 2021 10:38 am

Features

  • FILTER-FREE COOL MIST HUMIDIFER – Vicks Mini Cool Mist Humidifier is an essential part of a good night’s sleep when family members are sick, during allergy season or when the air is dry It also works with Vicks VapoPads for extra soothing comfort
  • QUICK AND EASY TO USE – Vicks filter-free humidifiers don’t require replacement filters With a 5 gallon tank, you can enjoy visible cool mist for up to 20 hours It’s quiet, too, making it a great choice for your bedroom or as a baby humidifier
  • COUGH AND CONGESTION RELIEF – Filterless humidifiers for home can be helpful during cold and flu season, when it’s difficult to sleep with cough and congestion A humidifier or vaporizer can provide temporary relief by adding necessary moisture to the air
  • HUMIDIFIERS FOR BEDROOM AND MORE – A cool mist humidifier is great for a baby, young children and adults, and fits perfectly into any room Use them when the air is dry, in allergy season, when sick or even just to maintain optimal indoor humidity levels
  • A CENTURY OF POWERFUL RELIEF– At Vicks, we believe that everyone deserves a touch of care Our line of humidifiers, steam inhalers and vaporizers help you breathe better and sleep more comfortably, wherever you are

Honeywell HUL535B Cool Mist Humidifier Black Filter Free with Auto Shut-Off & Variable Settings for Medium Room, Bedroom, Baby Room


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Honeywell HUL535B Cool Mist Humidifier Black Filter Free with Auto Shut-Off & Variable Settings for Medium Room, Bedroom, Baby Room

$39.73  in stock
1 new from $39.73
5 used from $36.55
Free shipping
Buy Now
Amazon.com
as of April 9, 2021 10:38 am

Features

  • COOL MIST HUMIDIFIER: This cool mist humidifier quietly produces a fine, visible cool mist that helps make you & your home more comfortable. It's designed for medium sized rooms, with ultra quiet operation, variable output settings, & no filters required
  • COOL MOISTURE FOR HOME OR OFFICE: This humidifier features a variable settings & a direction mist outlet. It can run up to 24 hours per filling, & features auto shut-off when the tank is empty. Its compact size makes it ideal for desktops or nightstands
  • HONEYWELL HUMIDIFIERS: Humidity levels in your home between 40-60% can make the air feel warmer & improve your breathing comfort, sleeping, nasal congestion & dry skin. Dry air can cause static electricity, damage wooden furniture & irritate health issues
  • HUMIDIFIERS FOR BABIES, CHILDREN, ADULTS: Humidifiers diffuse moisture into the air, and many find that a humidifier for the home, bedroom or nursery becomes an essential part of a good nights sleep when the air is dry, in allergy season, or when sick.
  • HONEYWELL QUALITY: Improve humidity levels in your home & improve your comfort with a Honeywell humidifier.

iTvanila Humidifiers, Cool Mist Humidifier for Bedroom, 2.7 L/0.7 Gal Baby Humidifier with Adjustable Output, Lasts to 30 Hours, Whisper-Quiet, Auto Off, Filterless Humidifier for Home Office Nursery


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iTvanila Humidifiers, Cool Mist Humidifier for Bedroom, 2.7 L/0.7 Gal Baby Humidifier with Adjustable Output, Lasts to 30 Hours, Whisper-Quiet, Auto Off, Filterless Humidifier for Home Office Nursery

$26.99  in stock
1 new from $26.99
Free shipping
Buy Now
Amazon.com
as of April 9, 2021 10:38 am

Features

  • 【Safe Knob Design】The knob design provide adjustable amount of mist, and prevent itself from accidentally opening. Compared with other touch screen baby humidifiers, it is safer and more worry-free. More suitable for families with children and pets.
  • 【Stain-resistant & Easy to Clean】Compared to ordinary plastic humidifiers, iTvanila humidifiers are made of longer life nano materials. The surface is more rugged and abrasion resistant, making it less prone to scratches. Even after long-term use, you only need to soak it with vinegar and water, and wipe the shell with a soft cloth to make it as bright as new.
  • 【Ultrasonic Humidification】 Ultrasonic humidification atomize water into a small and uniform water mist within just 1 second, which is softer and more delicate than ordinary humidification methods, so more beneficial to human health. You can use the humidifier all the day without worrying about getting your desk or bedside table wet.
  • 【Space Saving&High Output】6.3*6.3*11.5 Inch, petite but great. The maximum output of this black humidifier up to 210mL / h, which can cover 107-268 square feet of space, your best choice for bedrooms, offices or baby’s room. The 360-degree nozzle also make it achievable to decide whether the mist blowing directly on people or not.
  • 【Auto Shut Off】 Automatically shut down when lack of water to ensure safe use. The red light will flashes to remind you adding water in time. iTvanila humidifiers provide one year after-sales service (you can choose to extend it for more than 6 months) and lifetime technical support.

In this article, we have reviewed the best filterless cool mist humidifier for our readers. We hope you get the perfect filterless cool mist humidifier from our above list. If you didn’t find your desired one then check out Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier – Premium Humidifying Unit with Whisper-Quiet Operation, Automatic Shut-Off and Night Light Function – Lasts Up to 16 Hours one of the most valuable items in the market.