Best Cool Water Humidifier in 2022 [*Top Picks*]

Looking for the best cool water humidifier on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

7717 Reviews Scanned

  • AquaOasis™ Cool Mist Humidifier {2.2L Water Tank} Quiet Ultrasonic Humidifiers for Bedroom & Large room - Adjustable -360° Rotation Nozzle, Auto-Shut Off, Humidifiers for Babies Nursery & Whole House
    Bestseller #1
    AquaOasis™ Cool Mist Humidifier {2.2L Water Tank} Quiet Ultrasonic Humidifiers for Bedroom & Large room - Adjustable -360° Rotation Nozzle, Auto-Shut Off, Humidifiers for Babies Nursery & Whole House (3600)
      DRY AIR RELIEF! LOOK NO FURTHER FOR THE MOST EFFECTIVE COOL MIST HUMIDEFIER ON THE MARKET! Want to eliminate the suffering from the terrible effects of dry air? No need to struggle with cheap flimsy and leaky desk humidifiers. This quality ultrasonic humidifier is the one you’re looking for. It pumps relief immediately and effectively! – Feel better in minutes! OPERATES IN TOTAL SILENCE – SLEEP LIKE A BABY! No humming, whistling, or crackling as this durable Whole-House Humidifier steadily and efficiently dispenses the soothing cool mist you crave. SLEEP better, BREATHE better, LIVE better! You’ll wish you found this years ago! MULTIPLE MIST SETTINGS + 360 DEGREE ROTATING NOZZLE – This Humidifier was created with YOU in mind. Your environment, your needs, and your preferences! Designed with a super simple control dial and 360° rotating nozzle so that you can fully control and customize the mist output and mist flow direction. AUTOMATIC SHUT OFF- No need to babysit this Humidifier. We know you’ll want to shut this off before the tank runs out... Rest assured you can SET IT AND FORGET IT! 2.2L EXTRA LARGE WATER TANK – FILTER FREE- FEATURES A LIFTIME WARRENTY! Made with an impressive 2.2L super large water tank that keeps your Room-Humidifier right on chugging for over 24 hours on a single fill! Designed
  • Pure EnrichmentÂŽ MistAire™ Ultrasonic Cool Mist Humidifier - Premium Unit Lasts Up to 25 Hours with Whisper-Quiet Operation, Automatic Shut-Off, Night Light Function, and BPA-Free
    Bestseller #1
    Pure Enrichment® MistAire™ Ultrasonic Cool Mist Humidifier - Premium Unit Lasts Up to 25 Hours with Whisper-Quiet Operation, Automatic Shut-Off, Night Light Function, and BPA-Free (9275)
      INSTANT DRY AIR RELIEF: Ultrasonic cool mist technology safely and quickly moisturizes dry air for up to 25 hours of continuous operation so you can breathe easy and get more restful sleep YEAR-ROUND COMFORT: 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 LARGE EASY-FILL TANK: 1.5 liter water tank provides ideal coverage for bedrooms, offices, nurseries, and other medium-sized rooms NIGHT LIGHT & AUTO SHUT-Off: An optional night light offers a soothing glow, while the automatic shut-off feature turns the 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, and Pure Enrichment’s guaranteed 5-Year Warranty. Our customer support team provides daily quality service and peace of mind to millions worldwide all from a brand you can trust.
  • Cool Mist Humidifier for Large Bedroom: Ultrasonic Air Vaporizer for Room - 5L Top Fill Humidifiers Home
    Bestseller #1
    Cool Mist Humidifier for Large Bedroom: Ultrasonic Air Vaporizer for Room - 5L Top Fill Humidifiers Home (7)
      【Large Capacity Cool Mist Humidifier】 This large humidifier is designed with a 5L capacity tank, the 5L water tank can run up to 42 hours and cover 800 square feet. The elegant visible water tank helps to check water volume at a glance. 【Ultrasonic Cool Mist Humidifiers】 This cool mist humidifier only produces 30 dB sound when working, so you could set it in the bedroom even bedside at night, to enjoy deep sleep, there is no need to worry that it will disturb your sleep. 【7 Colors Changing LED Light】This ultrasonic humidifier has 7 colors LED light. Short press the "Light" button, it cycles seven color automaticly. Press the "Light" button again to fix any color you like. You can even choose strong and weak mode. You can only turn off the light at night, it remains keeping generating mist. 【Top Filling & BPA-Free】This vaporizer uses a top filling design, it is easy to fill water without detaching water tank. Also, the large opening water tank is easy to clean. This humidifier is made of BPA-free materials, which generate heat during use and will not affect the surrounding environment. Likewise, it will not harm you or your family. 【 4 Mist Mode & Adjustable Timer】This air vaporizer has 4 gear mist mode. Press the "Mist+" and "Mist-" button to fit your comfort level and deliver mist to every corner of the room. The 360°adjustable nozzle allows mist to be dispersed in any direction, hence allowing you to control the distribution of moisture in the room. This air vaporizer has 4 timer function (12H/6H/2H). When time is up or water runs out, the humidifier will automatically shut down.
  • Everlasting Comfort Ultrasonic Cool Mist Humidifier for Bedroom (6L) - Lasts 50 Hours With Essential Oil Diffuser Tray - Quiet, Filterless Large Room Humidifiers - Small Air Vaporizer for Baby, Kids & Nursery
    Bestseller #1
    Everlasting Comfort Ultrasonic Cool Mist Humidifier for Bedroom (6L) - Lasts 50 Hours With Essential Oil Diffuser Tray - Quiet, Filterless Large Room Humidifiers - Small Air Vaporizer for Baby, Kids & Nursery (9492)
      💨Long Lasting Coverage for Your Home, Office, Nursery, or Dorm: Our ultrasonic humidifier has a 6 liter (1.6 gallon) tank that works in rooms up to 500 sq feet and lasts for up to 50 hours 🌺Not Your Average Air Humidifier: We included an essential oil tray that circulates fragrant oils into the cool mist, giving you a pure and fresh smelling aroma throughout your home. Important: Do not put essential oils directly into the water tank as this can cause damage to the humidifier. Use the designated essential oil tray only 🔇Safe to Use, Whisper Quiet: Our large room humidifier is nearly silent (less than 30 DB) and also shuts off automatically when out of water; safe to use in baby rooms and bedrooms ❌Never Replace a Filter Again: Our bedroom humidifier is filterless, saving you from ongoing replacement costs. Important: Try to keep humidity between 40 to 60 percent to avoid water accumulation ✔️2 Year Replacement Policy: At Everlasting Comfort we care about your experience with our products, pledging to replace your humidifiers for home should anything go wrong
  • Lacidoll 4.2 Gal Tower Humidifiers for Large Room whole house 1000 sq. ft, 16L Top Fill Cool Mist Ultrasonic Humidifier Quiet 1000mL/h Output with 360° Mist Tube for Home Office Workshop Greenhouse, School,White
    Bestseller #1
    Lacidoll 4.2 Gal Tower Humidifiers for Large Room whole house 1000 sq. ft, 16L Top Fill Cool Mist Ultrasonic Humidifier Quiet 1000mL/h Output with 360° Mist Tube for Home Office Workshop Greenhouse, School,White (117)
      [Wholehouse Commercial Humidifiers for Large Rooms] 1000mL/h maximum mist output, holding up to 16L/4.2Gallons of water, cool mist humidifier produces 48 hours of continuous mist humidity in a room up to 92㎡/1000 sq.ft. Preset 4 mist speeds between low, medium, high and turbo moisture output for different rooms in dry seasons. [Top Fill Humidifier with Humidistat] You can easily fill water from top without opening the cover (also can fill tap water directly). Built-in humidistat accurately detects the humidity in your room and auto adjusts to your preset humidity level from 40% to 90% for optimal indoor humidity. The humidity as you customize. When the humidity reaches the set level, the mist will be suspended. When the humidity is lower than the set humidity, the humidifier will restart to produce the mist. [Easy to Clean, Energy Saving] With wide opening water tank for effortless refilling without any spillage, and provides easy access to clean the empty tank thoroughly with a wet cloth. 360° adjustable extended mist tube for your multiple use at home, office, warehouse, shool, green-house etc. This large capacity humidifier won't need any replacement filters to save your bill. Ideal tower humidifier for your babies, pets and plants. [Sleep & Auto Mode, Quiet Humidifier] With clear panel display, let you know the real-time humidity level and settings at a glance. Display will shut down on sleep mode for a peaceful deep sleep. Low noise level less than 35dB will not disturb your relaxation, learning, working and sleeping. When out of water or falling occurs, the humidifier will automatically shut down. Works perfectly for bedrooms, living rooms and baby rooms! [Quality Service] Support 30 days replacement & 1 year warranty. We stand behind our products and the best after-sales service team is always with you. Any questions, support assistance all the time.
  • Pure EnrichmentÂŽ MistAire™ Silver Ultrasonic Cool Mist Humidifier - Lasts Up to 25 Hours, Whisper-Quiet Operation, Optional Night Light, & Auto Safety Shut-Off - Ideal for Bedroom, Office, & Nursery
    Bestseller #1
    Pure Enrichment® MistAire™ Silver Ultrasonic Cool Mist Humidifier - Lasts Up to 25 Hours, Whisper-Quiet Operation, Optional Night Light, & Auto Safety Shut-Off - Ideal for Bedroom, Office, & Nursery (9275)
      ULTRASONIC COOL MIST TECHNOLOGY: Safely moisturizes the air for up to 25 hours of continuous operation on low, and up to 12 hours on high, so you can breathe easy and get more restful sleep. Ideal coverage for bedrooms, offices and other medium-sized rooms. YEAR-ROUND COMFORT: 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 AMPLE ROOM COVERAGE: With room coverage up to 250 sq ft, this 1.5 liter tank (.4 gallons) is ideal for bedrooms, living rooms, offices, and nurseries to safely moisturize the air NIGHT LIGHT & AUTO SHUT-Off: An optional night light offers a soothing glow, while the automatic shut-off feature turns the humidifier off when water level is low or the tank is removed WHAT YOU GET: Humidifier, AC power adapter, disk cleaning brush, user manual, and Pure Enrichment’s guaranteed 5-Year Warranty. Our customer support team provides daily quality service and peace of mind to millions worldwide all from a brand you can trust.
  • Cool Mist Humidifier, MILIN Top Fill Germ Free Humidifiers for Bedroom with Essential Oil Diffuser for Large Home, Baby, Plants, Kids, 20 Hours Air Humidifier with Sleep Mode, Low Water Reminder, 2L
    Bestseller #1
    Cool Mist Humidifier, MILIN Top Fill Germ Free Humidifiers for Bedroom with Essential Oil Diffuser for Large Home, Baby, Plants, Kids, 20 Hours Air Humidifier with Sleep Mode, Low Water Reminder, 2L (30)
      3-in-1 Sterilizer, Humidifier & Diffuser: Equipped with an oil diffuser, the MiLin cool mist humidifier helps you fill your room with your favorite oil while enjoying the humidifier’s cool mist. Also, Milin large room humidifier, with EPA approved, safely and effectively kills almost 99% of harmful germs in the air under such hard times. MILIN is always trying to provide our customers with multiple functions within only one product. 99.9% Germ-Free, 100% Air Sterilization: With innovative micro-electrolysis sterilization technology, MILIN top fill humidifier converts water (H2O) into -OH, [O], H +, OH- and other strong oxidizing sterilization ions, which can destroy the DNA / RNA of harmful germs in the air. After sterilization, germs are reduced to neutral water molecules which are gentle for your skin and your body. Simply test the air quality level with a bacteria analyzer and enjoy the safe & comfortable air. Smart Sterilization Mode & 3 Mist Levels: Equipped with sterilization mode, this humidifier for home will perform 1-hour sterilization in high mist, 30mins in medium mist and 30mins in low mist. After 2 hours of sterilization completed, the humidifier will automatically enter medium mist mode. Only simply press the mist button and you can adjust mist output speed during which corresponding indicator highlights. Easily for the adult, children and the elderly to operate. 2L/67.6oz Large Capacity & 20h Humidity Time: With 2L large capacity water tank, MILIN cool mist humidifier for large room lasts up to 20 hours working time. You don’t need to leave your comfortable bed at midnight to refill the water. The humidifier with an essential oil diffuser has a large top opening and lid, you can easily add the water under the tap or pouring the water freely without concerning the floor get wet. Max water level line give you instruction to add the water. Auto Shut Off Protection & Whisper Quiet for Sleep: Equipped with ultrasonic technology, MILIN humidifier enjoys incredible silence, lowest noise level 26 dB. The humidifier is perfect for a restful sleep as the sleep mode keeps all indicators off and runs at low mist. When the tank runs out of water, MiLin humidifier stops working and the low water indicator lights up as a reminder. This helps prevents damage to the item and keeps you safe even when sleeping.
  • 6.5L Humidifiers for Bedroom Large Room Quiet Cool Mist Humidifiers Filterless Ultrasonic Humidifier with Essential Oil Diffuser Smart Humidistat Air Vaporizer (1.7 Gallon Large Water Tank)
    Bestseller #1
    6.5L Humidifiers for Bedroom Large Room Quiet Cool Mist Humidifiers Filterless Ultrasonic Humidifier with Essential Oil Diffuser Smart Humidistat Air Vaporizer (1.7 Gallon Large Water Tank) (74)
      Customized Humidity: with the Smart Humidistat feature, this cool mist humidifier supports setting your desired humidity from 55% to 90% RH, to create a comfortable living environment for the whole family. Besides, this large humidifier supports setting a timer (auto turn off humidifier) from 2 to 24 hours, which helps a lot if you go out or don't want the humidifier to work overnight. 6.5L Large Capacity: this large humidifier is designed with a 6.5L (1.72Gal) capacity tank that can serve the entire house for 2 days (under mist speed 1) after a single refill. The elegant visible water tank helps to check water volume at a glance. Differs from other ultrasonic humidifiers that require upside down to add water, you could directly add water from the top lid when the humidifier is working. The separating water tanks with a built-in handle allow you to add water under the faucet. Humidifier with Essential Oil Diffuser: want to add more fun to your house? Try to add essential oil to the built-in oil tray, so that this air humidifier mixes cool mist and fantastic aroma into the air, gently relaxing your mind. 3-speeds cool mist for choice, touching control. Quiet Ultrasonic Humidifier: this cool mist humidifier only produces less than 25 dB sound when working, ultra-quiet, so you could set it in the bedroom even bedside at night, to enjoy deep sleep. Air Humidifier with Humanized Design: the large opening water tank is super easy to clean and add water. The built-in colorful nightlight could decorate your wonderful night. Anti-slip feet on the bottom of the Air Humidifier, and easy-grip base for easy moving. This Filterless Humidifier doesn't need a filter, no need to change consumable parts.
  • Humidifiers for Bedroom, BURLAN Cool Mist Humidifiers (2.5L Water Tank) Quiet Ultrasonic for Home, Air Vaporizer Humidifier with 360° Rotation Nozzle, Auto Shut-Off
    Bestseller #1
    Humidifiers for Bedroom, BURLAN Cool Mist Humidifiers (2.5L Water Tank) Quiet Ultrasonic for Home, Air Vaporizer Humidifier with 360° Rotation Nozzle, Auto Shut-Off (266)
      Humidifiers for Health Care Assistant: Humidifiers for Bedroom can rinse the air, releasee oxygen, soothe cracked skin, relieve coughs and help to breathe more easily, especially in allergy season. Easy to Clean and Top Fill Design Humidifiers for Large Room: Clean the water tank with effortless. Just open the top cover to Clean or refill the cool mist humidifiers easily. Ultra-Quiet Humidifiers for Home : Whisper-quiet operation and run-dry protection that let us rest assured to sleep soundly, a good choice of humidifiers for lovers, parents. Portable or Travel Humidifier with Rapid Humidification: You can get healthy humidity in seconds. The Cool Mist Humidifiers can create comfort and pure atmosphere up to 24 hours for whole bedroom, living room, plants, office and etc. Humidity under your Control: It offer 3 different mist output levels to suit your needs. Human physical and thought are in good condition at suitable humidity. Besides, it don't require a water filters.
  • Cool Mist Humidifier for Bedroom, MILIN LED Germ-Free Air Vaporizer for Large Room with Essential Oil Diffuser, Sleep Mode, 8H Timer, 3 Levels Mist, Water Tank Reminder, 4L
    Bestseller #1
    Cool Mist Humidifier for Bedroom, MILIN LED Germ-Free Air Vaporizer for Large Room with Essential Oil Diffuser, Sleep Mode, 8H Timer, 3 Levels Mist, Water Tank Reminder, 4L (17)
      99.9% Germ-Free, 100% Air Sterilization: With innovative micro-electrolysis sterilization technology, MILIN top fill humidifier converts water (H2O) into -OH, [O], H+, OH-, and other highly oxidizing sterilization ions, which can destroy the DNA/RNA of harmful germs in the air. After sterilization, germs are reduced to neutral water molecules which are gentle to your skin and your body. Simply test the air quality level with a bacteria analyzer and enjoy safe and comfortable air. 4L Large Capacity & 8H Timer: With a 4L water tank, MILIN cool mist humidifier provides up to 40 hours of runtime. A 8-hour timer allows you to set a duration that meets your needs. You needn’t to leave your comfortable bed at midnight to refill water, or restart/turn off it! Our humidifier with essential oil diffuser has a large top opening that you can easily pour water in freely without worrying about geting the floor wet. The indicating light reminds you when the water tank needs a refill. Customizable/Standard Sterilization & 3 Mist Levels: In standard sterilization mode, MILIN humidifier for home will perform 30min sterilization in high mist, 30min in medium, and 60min in low. MILIN mist humidifier also has a customizable mode, in which you can freely set a sterilization duration and a mist level. Simply press the mist button and the mist output speed is adjusted during which indicator highlights. Different from others, the dense mist will never get your furniture and floor wet. 3-in-1 Sterilizer, Humidifier & Diffuser: With essential oil diffuser, MILIN cool mist humidifier fills your room with your favorite fragrance along with its cool mist. MILIN LED display humidifier provides 11 constant humidity levels for your selection, from 30%-80%. Long-time stable humidity helps you feel relaxed and happy. MILIN EPA-approved large room humidifier safely and effectively kills 99% of harmful germs in the air. You can freely choose a standard or customized sterilization mode. Auto Shut Off & Whisper Quiet for Sleep: Equipped with ultrasonic technology, MiLin humidifier enjoys incredible silence, lowest noise level 26 dB. The humidifier is perfect for restful sleep as the sleep mode keeps the LED indicators off, with no dazzling light at all. When the tank runs out of water, MiLin humidifier stops working and the low water indicator lights up as a reminder. An additional beep alarm is designed. This helps avoid damage to the item and keeps you safe even when sleeping.
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