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10 Best Ultrasonic Cool Mists
for July 2022

Recommendations are independently chosen by Different.Guide editors. Purchases you make through our links may earn us a commission.

1
9.9
SCORE
Pure Guardian H3200WAR Ultrasonic Cool Mist Humidifier

PureGuardian Pure Guardian H3200WAR Ultrasonic Cool Mist Humidifier

by Guardian Technologies, LLC
What We like

ADDITIONAL FEATURES: Easy to use variable 3-speed mist control, on/off night light, timer, multi-directional mist, low water indicator light that illuminates when it's time to refill the tank, automatic shut-off when tank is empty

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Product Features

  • ULTRASONIC TECHNOLOGY: The H3200WAR disperses a soothing, cool mist into the air and is ultra-quiet, making it ideal to have on while you sleep. A smart mist sensor monitors the level of humidity in the room and adjusts to your selected level
  • AROMATHERAPY TRAY: Aromatherapy essential oil tray helps create a relaxing environment. Oils are not included. Create a better home environment and optimize your comfort with an ultra-quiet, soothing cool mist. 1 essential oil pad included
  • SILVER CLEAN PROTECTED TANK: Silver Clean Protection fights the growth of slimy mold and mildew on the surface of the water tank-a common problem with traditional humidifiers
  • COOL MIST HUMIDIFIER: The PureGuardian H3200WAR ultrasonic cool mist humidifier guards against dry air in the home, perfect for those with colds, allergies and dry skin. The easy fill 1.5 gallon tank covers 440 sq. ft. rooms and runs up to 100 hours
2
9.5
SCORE
Pure Guardian H5450BCA Ultrasonic Warm and Cool Mist Humidifier UVC, 100 Hrs. Run Time, 2 Gal. Tank, 380 Sq. Ft. Coverage, Quiet, Filter Free, Treated Tank Resists Mold, Essential Oils Tray

PureGuardian Pure Guardian H5450BCA Ultrasonic Warm and Cool Mist Humidifier UVC

100 Hrs. Run Time, 2 Gal. Tank, 380 Sq. Ft. Coverage, Quiet, Filter Free, Treated Tank Resists Mold, Essential Oils Tray

by Guardian Technologies, LLC
What We like

ADDITIONAL FEATURES: Night light, 12-hour timer and 3 speed settings, multi-directional mist, auto shut-off when tank is empty, low water indicator light which illuminates when it's time to refill the tank. No evaporating pads or wicks to clean or replace

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Product Features

  • SILVER CLEAN PROTECTION & UV-C LIGHT: A UV-C Light reduces germs to emit a cleaner mist while Silver Clean Protection is embedded in the humidifier tank to fight the growth of mold and mildew on the surface of the water tank
  • AROMATHERAPY TRAY: The aromatherapy tray option helps create a relaxing environment with your favorite essential oil. Oils are not included. Create a better home environment and optimize your comfort with an ultra-quiet, soothing warm or cool mist
  • ULTRASONIC TECHNOLOGY: The H5450BCA disperses a soothing, cool mist into the air and is ultra-quiet, making it ideal to have on while you sleep
  • WARM & COOL MIST HUMIDIFIER: The PureGuardian H5450BCA ultrasonic cool mist humidifier guards against dry air in the home, perfect for those with colds, allergies and dry skin. The easy fill 2 gallon tank covers 380 sq. ft. rooms and runs up to 100 hours
3
9.5
SCORE
Pure Enrichment HumeXL Ultrasonic Cool Mist Humidifier for Large Rooms Lasts up to 50 Hours, Easy-to-Clean 1.3 Gallon Water Tank, Touch-Button Control, 2 Independent 360° Mist Nozzles and Night Mode

Pure Enrichment HumeXL Ultrasonic Cool Mist Humidifier for Large Rooms Lasts up to 50 Hours

Easy-to-Clean 1.3 Gallon Water Tank, Touch-Button Control, 2 Independent 360° Mist Nozzles and Night Mode

by Pure Enrichment
What We like

EASY-CLEAN WATER TANK: Large opening on the 5-liter water tank makes it easy to hand wash the inside of the tank to remove buildup and keep the humidifier operating at maximum efficiency.

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Product Features

  • AROUND-THE-CLOCK MOISTURE: Produces up to 50 hours of continuous mist output on the low setting and up to 16 hours on high to provide all day comfort in your home or office automatically shuts off when when the water level is low or the water tank is removed.
  • INTUITIVE TOUCH-BUTTON CONTROL: Sleek, touch-button panel lets you easily power the unit on and off, control mist output with high/low mist settings, and activate night mode to dim the LED control panel and turn off the soft glow night light while you sleep.
  • 2 INDEPENDENT MIST NOZZLES: Direct the independent, 360-degree rotating mist nozzles in opposite directions for diverse room coverage or point both in the same direction for more powerful steam output.
4
9.1
SCORE
Pure Enrichment MistAire XL Ultrasonic Cool Mist Humidifier - All Day Operation for Large Rooms, 1 Gallon Tank, Variable Mist Control, Automatic Shut-Off, Whisper Quiet, and Optional Night Light

Pure Enrichment MistAire XL Ultrasonic Cool Mist Humidifier

All Day Operation for Large Rooms, 1 Gallon Tank, Variable Mist Control, Automatic Shut-Off, Whisper Quiet, and Optional Night Light

by Pure Enrichment
What We like

AUTOMATIC SHUT-OFF: Safely turns humidifier off when water level is low or the water tank is removed

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Product Features

  • 1 GALLON WATER TANK: Large tank and powerful steam output provides ideal coverage for large bedrooms, offices, and other rooms up to 500 square feet
  • LONG-LASTING RELIEF: Ultrasonic cool mist technology safely moisturizes the air for 10 to 24 hours of continuous operation (depending on mist control setting) so you can breathe easily and get more restful sleep
  • OPTIONAL NIGHT LIGHT: Offers soothing lighting for maximum relaxation and operation in the dark (choose between blue, green, and red)
5
8.8
SCORE
Pure Enrichment HUME Ultrasonic Cool Mist Humidifier - New 2020 Design - Easy-Clean 3.5L Tank for Large Rooms Lasts Up to 50 Hours, Quiet Variable Mist Output Ideal for Baby Nursery, Bedrooms & Office

Pure Enrichment HUME Ultrasonic Cool Mist Humidifier

New 2020 Design, Easy-Clean 3.5L Tank for Large Rooms Lasts Up to 50 Hours, Quiet Variable Mist Output Ideal for Baby Nursery, Bedrooms & Office

What We like

WHISPER-QUIET OPERATION: Integrated body design suppresses noise for silent operation thats ideal for a nursery or office setting

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Product Features

  • EASY-CLEAN WATER TANK: Large water tank opening makes it easy to hand wash the inside of the tank to remove buildup and keep the humidifier operating at maximum efficiencyno special brushes or tools needed | Automatic safety feature turns humidifier off when water level is low or the water tank is removed
  • LONG-LASTING RELIEF: Ultrasonic technology provides up to 50 hours of continuous operation (depending on mist setting) without the need to refill the water tankallowing for convenient overnight use
  • VARIABLE MIST SETTINGS: Rotating mist control knob gives you the flexibility to adjust moisture output incrementally to meet your comfort level
6
8.8
SCORE
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

Mikikin 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

by Mikikin
What We like

PRECISE MIST OUTPUT CONTROLThree 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.

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Product Features

  • WHISPER-QUIET DEEP SLEEP MODEThe 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.
  • LONG-LASTING & AUTO SHUT-OFFDesign 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.
  • EASY TO REFILL & CLEANA 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. Notice: Please drop essential oil on the sponge ring if need to enjoy the mist and fragrance at the same time.
  • ULTRASONIC COOL MIST HUMIDIFIERSafely 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.
7
8.6
SCORE
LEVOIT Humidifiers for Bedroom, 4L Ultrasonic Cool Mist Air Vaporizer for for Large Room Babies, Essential Oil Tray, Quiet Operation, Auto Shut-Off, Lasts up to 40 Hours, Gray

LEVOIT Humidifiers for Bedroom

4L Ultrasonic Cool Mist Air Vaporizer for for Large Room Babies, Essential Oil Tray, Quiet Operation, Auto Shut-Off, Lasts up to 40 Hours, Gray

by Levoit
What We like

ULTRASONIC TECHNOLOGY: Other humidifiers may make floors wet and furniture damp. The Classic 200's advanced ultrasonic mist technology spreads an ultra-fine cool mist, ensuring the moisture stays in the air and humidifying the room in a matter of minutes.

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Product Features

  • BEST HUMIDIFIER FOR BABIES: Made with BPA-free materials and featuring quiet operation, the Classic 200 is perfect for nurseries. With noise levels as low as 25dB, the Classic 200 is quieter than many other leading humidifiers.
  • 40-HOUR MIST: Smaller humidifiers require frequent refills. The Classic 200's 4-liter tank delivers hassle-free humidifying all day and all night, and automatically shuts off before it runs dry. Just fill the tank, turn it on, and enjoy healthy humidity.
  • CUSTOMIZED MIST: Direct the dual 360-degree rotating nozzle wherever you like and select your preferred mist level with the simple one touch control. Create the ideal indoor climate for the nursery, family room, your bedroom, or anywhere else you like.
  • YOU DESERVE THE BEST: With an effec range of up to 376 ft / 35 m, the Classic 200 Humidifier provides fast, comfortable relief from the effects of dry air. Experience alleviation of allergies, congestion, sinus headaches, snoring, and dry skin.
  • AROMATHERAPY: Add your favorite essential oils to the aroma tray to spread relaxing aromas along with healthy humidity. Ready for bed. Turn off the display lights and enjoy soothing aromatherapy for the best sleep environment.
8
8.3
SCORE
Safety 1st 360 Degree Cool Mist Ultrasonic Humidifier, Seafoam

Safety 1st 360 Degree Cool Mist Ultrasonic Humidifier

Seafoam

by AmazonUs/DORJ9
What We like

Auto shut-off and fill-tank light

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Product Features

  • Cool mist and quiet ultrasonic operation
  • Easy clean and filter free tank. Do not use with essential oils. Doing so will cause damage to the humidifier tank
  • Easy-fill tank for up to 24 hours of nursery coverage on low setting
  • 2 mist outlets rotate 360 Degree for full nursery coverage
9
8.3
SCORE
4L Top Fill Humidifiers for bedroom, 25dB Quiet Ultrasonic Cool Mist Humidifiers with Auto Mode Mist Level, Adjustable 12H Timer for large Living Room Office Desk (White)

Orgtoy 4L Top Fill Humidifiers for bedroom

25dB Quiet Ultrasonic Cool Mist Humidifiers with Auto Mode Mist Level, Adjustable 12H Timer for large Living Room Office Desk (White)

What We like

Safety First: Multiple protections including low water protection, water tank shut-off place protection, boil-dry protection, and dual-seal system patent to prevent water leakage

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Product Features

  • Maintains Ideal Humidity: Automatically adjusts the mist level from High, Medium and Low based on the ambient humidity to keep the room at an ideal humidity level between 60%-65%
  • Low Noise Operation: Produces noise as low as 25dB, this humidifier is so quiet you wont realize its running so you can sleep or work undisturbed
  • One Fill for Days: Large water tank capacity tank with top fill design is easy to refill from the top and holds 4L/1.06Gal of water for continuous cool mist for up to 40hrs, no need to frequently refill
  • Ultra-Fine Mist: Equipped with a 2.4MHz ultrasonic atomizer that produces ultra-fine mist that easily spreads throughout your space without getting your desk wet
10
8.3
SCORE
Humidifier for Bedroom, 4L Ultrasonic Cool Mist Humidifier for Large room, Humidistat, LED Display, Auto Shut-Off, Night Light, Whisper Quiet, Adjustable 360° Rotation Nozzle, Humidifiers for Babies Nursery Whole House (Blue)

CTOMOA Humidifier for Bedroom

4L Ultrasonic Cool Mist Humidifier for Large room, Humidistat, LED Display, Auto Shut-Off, Night Light, Whisper Quiet, Adjustable 360° Rotation Nozzle, Humidifiers for Babies Nursery Whole House (Blue)

What We like

12-Month Replacement Policy: We care about your experience with our large room humidifier. To show we're here to help, we pledge to replace your product, should anything go wrong. It's our way of showing you can rely on us to have you covered. Note: Packaging may vary based. Note: Please do NOT use with essential oils, which will damage the machine and cause leakage problem. {Note: To get replacement filters, please search "CTOMOA AH001 filter" or "B09KTFZL13" on Amazon}

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Product Features

  • Effective Humidification: High and low-speed settings combined with a 360 mist nozzle help you consistently balance and regulate the humidity in your home all year long for relief from cold-like symptoms and sinus issues. Built-in Humidistat tells you the current RH
  • Healthy: The humidifier provides cool mist to relieve you from congestion,sinus,dry skin, allergies, bloody noses, cold, flu. It is perfect for all year around using. Also it have 4L Tank Capacity, Works for All Night: Over a gallon of water
  • Auto Shut Down, Whisper Quiet: Our vaporizer humidifier automatically shuts down when it's out of water. This helps prevent damage to the unit and keeps you protected. Our humidifiers for home are nearly silent, making them suitable for baby rooms, bedrooms, living rooms, or anywhere else you want peace and quiet
  • Nightlight & Sleep Mode:Choose to turn on the nightlight, or enter sleep mode to shut off LED screen for a discreet sleep at night

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