If you’re looking for the filterless cool mist humidifier you’re in the right place. We spent a lot of time reviewing best filterless cool mist humidifier to come up with the Ten that we think stand apart from the pack in style, functionality, and value. In this guide, we have reviewed all the products and generated the best options available today for you.
We analyzed and compared 46 filterless cool mist humidifier sold for nearly 46 hours, and considered the opinions of 630 consumers. Following our last update, our favorite model is the MegaWise Ultrasonic Cool Mist Humidifier SK7620 – 1.5L Capacity, Whisper-Quiet Operation, Adjustable Mist Output, Auto Shut-Off – Ideal for Home, Office, Baby Room, and Bedroom. However, if you don’t want to spend extra then we have another vast option for you is Dreo Humidifiers for Bedroom, Top Fill 4L Supersized Cool Mist Humidifier, 32H Runtime, 28 dB Quiet Ultrasonic Air Humidifier for Large Room, Plants, Baby Nursery, Indoor, Night Light, Easy to Clean.
Below is a review of some of the best filterless cool mist humidifier together with their extra features and functions. Wanna find the Top filterless cool mist humidifier? Read the below list right the way.
Best filterless cool mist humidifier
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Product Title
Score
ROSEKM Humidifiers for Bedroom, Cool Mist Humidifier for Home Plant and Baby Nursery, Quiet Ultrasonic Humidifier with 360° Nozzle, Auto Shut-Off, Filterless, Black
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9.9
LEVOIT Top Fill Humidifiers for Bedroom, 2.5L Tank for Large Room, Easy to Fill & Clean, 28dB Quiet Cool Mist Air Humidifier for Home Baby Nursery & Plants, Auto Shut-off and BPA-Free for Safety, 25H
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9.5
Homvana Humidifiers for Bedroom Home, 3.6 L Cool Mist Top-Fill 34H Super Long Time, Quiet 16dB, Baby Humidifier, Oil Diffuser for Large Room, Plants, Nursery, Office BPA FREE, 7 Color Light Ultrasonic
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9.3
Dreo Humidifiers for Bedroom, Top Fill 4L Supersized Cool Mist Humidifier, 32H Runtime, 28 dB Quiet Ultrasonic Air Humidifier for Large Room, Plants, Baby Nursery, Indoor, Night Light, Easy to Clean
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8.6
raydrop Humidifiers for Bedroom, Cool Mist Humidifiers for Babies, 1.70L Quiet Ultrasonic Humidifier, Space-Saving, Filterless, Auto Shut Off – (0.45 Gallon, US 110V)
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8.3
Dreo Smart Humidifiers for Bedroom, Top Fill 4L Cool Mist Humidifier with Nightlight, 32H Runtime, Touch/APP/Voice Control, Quiet Ultrasonic Humidifiers for Large Room, Home, Baby, Plants, Office
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8.1
MegaWise Ultrasonic Cool Mist Humidifier SK7620 – 1.5L Capacity, Whisper-Quiet Operation, Adjustable Mist Output, Auto Shut-Off – Ideal for Home, Office, Baby Room, and Bedroom
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7.6
MegaWise Topfill 7-colour Night light humidifier for Kid bedroom with 3.5L Large Capacity, No leakage Design Fine Mist Output Auto Shutoff, Essential Oil Safe Tank
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7.4
raydrop Humidifiers for Bedroom, 3.0L Cool Mist Humidifiers for Large Room & Home, Top Fill Air Humidifier for Baby Nursery & Plants, Essential Oil Diffuser with Color Lights, Timer, Auto Shut-Off
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7.3
Cool Mist Humidifier, Ultrasonic Air Humidifiers for Bedroom Babies Home, 4.5L Large Top Fill Desk Humidifiers with Three Mist Modes, 360° Nozzle, Auto Shut-Off, Lasts Up to 30 Hours, Super Quiet
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6.2
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Product Title
9.9
ROSEKM Humidifiers for Bedroom, Cool Mist Humidifier for Home Plant and Baby Nursery, Quiet Ultrasonic Humidifier with 360° Nozzle, Auto Shut-Off, Filterless, Black
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9.5
LEVOIT Top Fill Humidifiers for Bedroom, 2.5L Tank for Large Room, Easy to Fill & Clean, 28dB Quiet Cool Mist Air Humidifier for Home Baby Nursery & Plants, Auto Shut-off and BPA-Free for Safety, 25H
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9.3
Homvana Humidifiers for Bedroom Home, 3.6 L Cool Mist Top-Fill 34H Super Long Time, Quiet 16dB, Baby Humidifier, Oil Diffuser for Large Room, Plants, Nursery, Office BPA FREE, 7 Color Light Ultrasonic
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8.6
Dreo Humidifiers for Bedroom, Top Fill 4L Supersized Cool Mist Humidifier, 32H Runtime, 28 dB Quiet Ultrasonic Air Humidifier for Large Room, Plants, Baby Nursery, Indoor, Night Light, Easy to Clean
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8.3
raydrop Humidifiers for Bedroom, Cool Mist Humidifiers for Babies, 1.70L Quiet Ultrasonic Humidifier, Space-Saving, Filterless, Auto Shut Off – (0.45 Gallon, US 110V)
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8.1
Dreo Smart Humidifiers for Bedroom, Top Fill 4L Cool Mist Humidifier with Nightlight, 32H Runtime, Touch/APP/Voice Control, Quiet Ultrasonic Humidifiers for Large Room, Home, Baby, Plants, Office
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7.6
MegaWise Ultrasonic Cool Mist Humidifier SK7620 – 1.5L Capacity, Whisper-Quiet Operation, Adjustable Mist Output, Auto Shut-Off – Ideal for Home, Office, Baby Room, and Bedroom
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7.4
MegaWise Topfill 7-colour Night light humidifier for Kid bedroom with 3.5L Large Capacity, No leakage Design Fine Mist Output Auto Shutoff, Essential Oil Safe Tank
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7.3
raydrop Humidifiers for Bedroom, 3.0L Cool Mist Humidifiers for Large Room & Home, Top Fill Air Humidifier for Baby Nursery & Plants, Essential Oil Diffuser with Color Lights, Timer, Auto Shut-Off
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6.2
Cool Mist Humidifier, Ultrasonic Air Humidifiers for Bedroom Babies Home, 4.5L Large Top Fill Desk Humidifiers with Three Mist Modes, 360° Nozzle, Auto Shut-Off, Lasts Up to 30 Hours, Super Quiet
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ROSEKM Humidifiers for Bedroom, Cool Mist Humidifier for Home Plant and Baby Nursery, Quiet Ultrasonic Humidifier with 360° Nozzle, Auto Shut-Off, Filterless, Black
ROSEKM Humidifiers for Bedroom, Cool Mist Humidifier for Home Plant and Baby Nursery, Quiet Ultrasonic Humidifier with 360° Nozzle, Auto Shut-Off, Filterless, Black
$21.58 in stock
Amazon.com
as of April 22, 2025 12:55 am
Features
- - : Boasts a 2.0L (0.53 gal) capacity, delivering up to 24 hours of mist on low and 10 hours on high with a powerful 200ml/h output. Ideal for combating dry skin, irritated sinuses, and poor sleep caused by dry indoor conditions, ensuring consistent comfort throughout the day.
- : Enjoy an ultra-quiet operation at less than 26 decibels, making it ideal for light sleepers. With no disturbing lights, the indicator turns off automatically after 10 seconds of inactivity, ensuring an undisturbed and peaceful night's sleep.
- & -: Measuring just 5.1 inches in length and width, this humidifier fits perfectly on a nightstand without taking up much space. Ideal for bedrooms, small rooms, and apartments, its unobtrusive design ensures it blends seamlessly into any space.
- - : Gently tap the power button with your fingertip to adjust mist levels. A beep confirms your selection, ensuring hassle-free and intuitive control with just one button. Follow this simple method for seamless operation.
- & 360° : Adjust mist output to your desired comfort level with 4 mist levels. The 360° nozzle can be adjusted to spray the mist in the direction you desire, providing targeted humidity exactly where you need it for maximum comfort.
LEVOIT Top Fill Humidifiers for Bedroom, 2.5L Tank for Large Room, Easy to Fill & Clean, 28dB Quiet Cool Mist Air Humidifier for Home Baby Nursery & Plants, Auto Shut-off and BPA-Free for Safety, 25H
LEVOIT Top Fill Humidifiers for Bedroom, 2.5L Tank for Large Room, Easy to Fill & Clean, 28dB Quiet Cool Mist Air Humidifier for Home Baby Nursery & Plants, Auto Shut-off and BPA-Free for Safety, 25H
$39.99 in stock
43 used from $21.76
Free shipping
Amazon.com
as of April 22, 2025 12:55 am
Features
- : Runs for up to 25 hours on low thanks to its SUPER LARGE capacity of 2.5 liters. The soothing moisture helps quickly relief congestion and dry throat.
- - : LEVOIT listened to feedback from humidifier customers and upgraded to a easy top-fill design. No need to turn the water tank over or spilling water all over the place. Just ONE-STEP to remove the cover and easily fill the tank.
- : Easily clean the inside of the tank through its big opening. The detachable designs and simple construction of the base leaves no hard-to-reach corners when cleaning. Maintaining health has never been this easy.
- : The Classic 160 cool mist humidifier is perfect for sleeping, with noise level as low as 26dB and all lights off. Helps create a peaceful and quiet atmosphere The perfect humidifier for bedrooms and baby nurseries.
- : Customize the mist output with just one knob and adjust the direction freely with the 360 degree nozzle. Enjoy full control of your air humidifier
Homvana Humidifiers for Bedroom Home, 3.6 L Cool Mist Top-Fill 34H Super Long Time, Quiet 16dB, Baby Humidifier, Oil Diffuser for Large Room, Plants, Nursery, Office BPA FREE, 7 Color Light Ultrasonic
Homvana Humidifiers for Bedroom Home, 3.6 L Cool Mist Top-Fill 34H Super Long Time, Quiet 16dB, Baby Humidifier, Oil Diffuser for Large Room, Plants, Nursery, Office BPA FREE, 7 Color Light Ultrasonic
$33.32 in stock
13 new from $33.32
12 used from $24.10
12 used from $24.10
Free shipping
Amazon.com
as of April 22, 2025 12:55 am
Features
- [3-in-1 Humidifier Meets All You Expect] Cool Mist Humidifier+Aromatherapy+Mood Light, purchase for once to satisfy all you expect! Let Homvana H101 be the best companion in your bedroom.
- [Unique SilentSpray, Undisturbed Sleep] The humidifier applies the display-off sleep mode and the exclusive SilentSpray tech to ensure noise less than 16dB. Those most sensitive babies can also sleep deep and soundly all night.
- [100% Certified Safety] Certified by all ETL, FCC, CE, and UKCA standards worldwide, the humidifier gives all your family members the 0-Risk & BPA-free humidification. Furthermore, the Auto shut-off tech banishes all dry running or fire risks. Therefore, even for babies, it's perfect!
- [Easy to Refill & Clean] The top-filling design which combines the detachable tank with the 5.3-inch wider opening, spares you from getting your table wet, making filling and cleaning as easy as a piece of cake.
- [Soothing Aroma] No need to buy an extra aroma diffuser now! Simply adding 2-6 drops of essential oil to the built-in pad, the fragrance will slowly fill the room with your favorite scent, making it a wonderland for yoga, mindfulness, and meditation.
Dreo Humidifiers for Bedroom, Top Fill 4L Supersized Cool Mist Humidifier, 32H Runtime, 28 dB Quiet Ultrasonic Air Humidifier for Large Room, Plants, Baby Nursery, Indoor, Night Light, Easy to Clean
Dreo Humidifiers for Bedroom, Top Fill 4L Supersized Cool Mist Humidifier, 32H Runtime, 28 dB Quiet Ultrasonic Air Humidifier for Large Room, Plants, Baby Nursery, Indoor, Night Light, Easy to Clean
$39.99 in stock
18 used from $23.13
Free shipping
Amazon.com
as of April 22, 2025 12:55 am
Features
- : Enjoy quiet sleep without congestion, coughing, or dry mouth, Dreo's ultrasonic atomization brings noise down to 28dB, while its 4L tank provides up to 32 hours of moisture without the need to refill.
- - : Powered by Dreo's Dual-intake and 4-inch mist outlet design, this humidifier creates a supersized mist of up to 40 inches tall for humidifying bedrooms, while bringing faster dry air relief to help you breathe easy and healthy.
- -: Thanks to its high-frequency atomization process, this humidifier for home releases 5μm Ultrafine mist and lighter mist particles, allowing humidity to spread evenly across the room without wetting surfaces.
- : This portable humidifier allows you to fill up without having to flip the tank or spill water on the floor. Its modular design is easy to remove and install, giving you a hassle-free cleaning experience.
- -- : This cool mist humidifier is a perfect companion for a healthier life, from helping you breathe easier, to making your own aromatherapy sessions, to changing the mood of your room with its ambient light (essential oils not included).
raydrop Humidifiers for Bedroom, Cool Mist Humidifiers for Babies, 1.70L Quiet Ultrasonic Humidifier, Space-Saving, Filterless, Auto Shut Off – (0.45 Gallon, US 110V)
raydrop Humidifiers for Bedroom, Cool Mist Humidifiers for Babies, 1.70L Quiet Ultrasonic Humidifier, Space-Saving, Filterless, Auto Shut Off - (0.45 Gallon, US 110V)
$25.99 in stock
Amazon.com
as of April 22, 2025 12:55 am
Features
- SPACE SAVING DESIGN: Vertical oval shape designed for bedroom nightstand and office desk, fitting narrow space wherever you are.
- QUIET HUMIDIFIER FOR BABIES: Humidifying at a low noise level of just 32dB, intelligent air inlet design, FCC-certificated, perfect ultrasonic humidifier for kids room nursery.
- DIAl KNOB CONTROL: Selecting the mist output conveniently for full control.
- POWERFUL FEATURES: Smart indicator, and auto shut-off when water is run out and tank lifted up.
- 5-YEAR WARRANTY: Sleep soundly with our cool mist humidifier, which provides up to 9 hours of continuous operation and is backed by our 5-year warranty.
Dreo Smart Humidifiers for Bedroom, Top Fill 4L Cool Mist Humidifier with Nightlight, 32H Runtime, Touch/APP/Voice Control, Quiet Ultrasonic Humidifiers for Large Room, Home, Baby, Plants, Office
Dreo Smart Humidifiers for Bedroom, Top Fill 4L Cool Mist Humidifier with Nightlight, 32H Runtime, Touch/APP/Voice Control, Quiet Ultrasonic Humidifiers for Large Room, Home, Baby, Plants, Office
$44.98 in stock
14 used from $33.70
Free shipping
Amazon.com
as of April 22, 2025 12:55 am
Features
- , : Dreo smart humidifiers for bedroom offers precise humidity control at home. With advanced algorithm and auto mode, it senses humidity levels with twice higher precision. Intelligent ambient light keeps you informed of changes. It can be controlled via voice (Alexa or Google Assistant) or the Dreo app. Easily adjust settings like mist volume, timer, and ambient lighting
- - : Powered by Dreo's Dual-intake design, this cool mist humidifier for large room creates a supersized mist 3 times larger than most air humidifiers, bringing faster dry air relief and helping you breathe easy and healthy
- -: Thanks to its high-frequency atomization process, this humidifier for home releases 5μm Ultrafine mist and lighter mist particles, allowing humidity to spread evenly across the room without wetting surfaces
- , - : Dreo portable humidifier features an easy top fill design. You can fill it up without flipping the tank or spilling water. Its modular design is easy to remove and install for a hassle-free cleaning experience. Enjoy 32 H of uninterrupted comfort with quiet humidified air. Dreo's acoustic design reduces noise to 28dB. The 4L tank ensures this baby humidifier doesn't need refilling overnight
- : Compatibled with Dreo demineralization cartridge (Not included, You can buy cartridges by searching "Dreo Demineralization Cartridge".) for descaling to reduce limescale and clean mist cartridges for healthy humidifying. The ICON light notifies you when the cartridge needs replacing
MegaWise Ultrasonic Cool Mist Humidifier SK7620 – 1.5L Capacity, Whisper-Quiet Operation, Adjustable Mist Output, Auto Shut-Off – Ideal for Home, Office, Baby Room, and Bedroom
MegaWise Ultrasonic Cool Mist Humidifier SK7620 - 1.5L Capacity, Whisper-Quiet Operation, Adjustable Mist Output, Auto Shut-Off - Ideal for Home, Office, Baby Room, and Bedroom
$18.25 in stock
3 new from $18.25
3 used from $16.25
3 used from $16.25
Free shipping
Amazon.com
as of April 22, 2025 12:55 am
Features
- 0.5 gal Water Tank: Provides up to 20 hours of continuous cool mist, perfect for maintaining optimal humidity levels in small to medium-sized rooms.
- Ultrasonic Technology: Operates quietly, ensuring a peaceful environment in bedrooms, nurseries, and offices without disturbing your sleep or work.
- Adjustable Mist Output: Easily control the mist level to suit your needs, from a gentle mist for a light refresh to a stronger output for more intensive moisture.
- Auto Shut-Off for Safety: The humidifier automatically shuts off when the water level is low, preventing damage to the unit and ensuring safe operation.
- Compact and Stylish Design: With its sleek and modern appearance, this MegaWise Cool Mist Humidifier fits seamlessly into any room decor, offering both functionality and aesthetic appeal.
MegaWise Topfill 7-colour Night light humidifier for Kid bedroom with 3.5L Large Capacity, No leakage Design Fine Mist Output Auto Shutoff, Essential Oil Safe Tank
MegaWise Topfill 7-colour Night light humidifier for Kid bedroom with 3.5L Large Capacity, No leakage Design Fine Mist Output Auto Shutoff, Essential Oil Safe Tank
$23.60 in stock
2 new from $23.60
3 used from $19.44
3 used from $19.44
Free shipping
Amazon.com
as of April 22, 2025 12:55 am
Features
- ReliableAntileakage design with a flat water tank and sepearted from the electric part of the devices makes this unit virtually impossible to have water leakage which could damage the electric part of the device, making this device lasting much longer than other humidifiers.
- Mega Joy 7-Color Lights & Essential Oil Diffuser for Nursery, bedroom, home or office. The soothing colored lights and fragrant essential oil diffuser create extra comfort and joy. The lights can be turned off when you do not need it.
- Mega Quietness The silencer allows the humidifier to make only 24dB of sound at a low setting and 30dB at the highest.
- Mega ConvenientTop Fill Extra Large 3.5 Liter Water Tank|Easy to Refill water from the inlet at the top of the unit. Refilling has never been easier! Also Super Easy to Clean.
- Quality & Service by Megawise Megawise designs and manufactures products according to the spirit and methodology of LEAN and six sigma to the very high quality standard； With 24*7 live chat support, MEGAWISE team makes sure every customer is happy and back every product with a MONEY BACK GUARANTEE confidently. Choose MEGAWISE and you would not regret.
raydrop Humidifiers for Bedroom, 3.0L Cool Mist Humidifiers for Large Room & Home, Top Fill Air Humidifier for Baby Nursery & Plants, Essential Oil Diffuser with Color Lights, Timer, Auto Shut-Off
raydrop Humidifiers for Bedroom, 3.0L Cool Mist Humidifiers for Large Room & Home, Top Fill Air Humidifier for Baby Nursery & Plants, Essential Oil Diffuser with Color Lights, Timer, Auto Shut-Off
$23.99 in stock
3 new from $23.99
Free shipping
Amazon.com
as of April 22, 2025 12:55 am
Features
- LONG-LASTING COMFORT: Relieve congestion, coughing, and dry skin with up to 36 hours of continuous moisture from a 3.0L water tank on low mist setting.
- FILL & CLEAN WITH EASE: This humidifier features a top-fill design that makes it easy to fill and clean. No need to remove the water tank or worry about spills.
- TIMER OFF SETTING: Customize your usage time 1/3/6/9 hours to meet your different usage needs. Auto shut-off when water runs out ensures safety.
- 2-IN-1 HUMIDIFIER AND DIFFUSER: Humidify your space and infuse it with a few drops of your chosen essential oils. Double delight in one compact device.
- PERFECT HUMIDIFIERS FOR BEDROOM: Ultrasonic technology to ensure our humidifier is lower than 28 dB when running, and the Indicator light will auto dim. No worry about distracting your sleep.
Cool Mist Humidifier, Ultrasonic Air Humidifiers for Bedroom Babies Home, 4.5L Large Top Fill Desk Humidifiers with Three Mist Modes, 360° Nozzle, Auto Shut-Off, Lasts Up to 30 Hours, Super Quiet
Cool Mist Humidifier, Ultrasonic Air Humidifiers for Bedroom Babies Home, 4.5L Large Top Fill Desk Humidifiers with Three Mist Modes, 360° Nozzle, Auto Shut-Off, Lasts Up to 30 Hours, Super Quiet
out of stock
Amazon.com
as of April 22, 2025 12:55 am
Features
- 【ULTRASONIC COOL MIST HUMIDIFIER】Safely moisturizes the dry air in your room to relieves stress and create a comfortable and breathable living atmosphere at home. The 360° rotating nozzle allows mist to be dispersed in any direction, providing an even level of humidity, create a soothing, comfortable environment.
- 【LONG-LASTING & AUTO SHUT-OFF】Design with a large capacity water tank of 4.5L, it could release fine and clean mist up to 30 hours. You can enjoy whole night sleep, frees you from refilling water frequently. Having an automatic shut-off function, greatly ensure your safety and preventing unit damage when it runs out of water.
- 【WHISPER-QUIET DEEP SLEEP MODE】The air humidifier works almost no noise which offers maximum relaxation during sleeping or working. Sensitive touch buttons help you easily change operating modes. Simply press it for 3s to turn off the nightlight. Enjoy all night mist and rest easily. Perfect for your baby and a disturbance-free sleep at night.
- 【EASY TO REFILL & CLEAN】A top-filling design makes the air humidifier is easily refilled and cleaned. Simply open the top cover to add clean water directly to the water tank through the wide opening top. No need to disassemble the device to fill it with water.【BUILT-IN ESSENTIAL OIL TRAY】Allow you to enjoy the mist and fragrance at the same time. Please drop essential oil on the sponge ring inside the aromatherapy box that is under the nozzle. Do NOT add it into water tank or base chamber.
- 【PRECISE MIST OUTPUT CONTROL】Three humidity levels allow you to adjust the moisturizing speed by choosing a low, medium, or high setting. Simply one touch to set much more precise and desired humidity level in your living room. Effectively provide ideal coverage for bedroom, living room, nursery, office and so on.
This guide identifies some of the best filterless cool mist humidifier currently on the market and also includes an in-depth buying guide to help you make the right decision. If you didn’t find your desired one check out the MegaWise Ultrasonic Cool Mist Humidifier SK7620 – 1.5L Capacity, Whisper-Quiet Operation, Adjustable Mist Output, Auto Shut-Off – Ideal for Home, Office, Baby Room, and Bedroom is also the most sold item in the market. If you feel that the information provided here is misleading, incorrect, or is removed from actual facts, then please do not hesitate to get in touch with us. We will always be there for you.
