Best Office Cool Mist Humidifiers in 2026

ULTRASONIC COOL MIST HUMIDIFIER: Breathe easier with this powerful, easy-fill cool mist humidifier. Use it continuously for up to 25 hours on low, or up to 12 hours on high, for quick relief from dry air problems all year long.

COLD & CONGESTION RELIEF: High and low-speed settings, combined with an adjustable 360° mist nozzle that directs moisture right where you need it, help you consistently balance and regulate the humidity in your home during any dry months for relief from coughing, colds, congestion, sore throat, sinus issues, allergies, and dry skin.

AMPLE ROOM COVERAGE: Safely moisturize the air in spaces up to 250 sq. ft. This ultrasonic humidifier holds up to 1.5L of water; making it great for adding moisture to bedrooms, offices, nurseries, living rooms, or any medium-sized space that needs extra humidity.

A MUST-HAVE FOR PARENTS: Help your children breathe easier throughout the night with this 2-in-1 cool mist humidifier and night light. Thoughtfully designed and rigorously tested, it’s perfect for your baby’s nursery, kid’s bedroom, or any space up to 250 sq ft where you need extra humidity.

QUIET ENOUGH FOR BEDTIME: The large 1.5L tank quietly moisturizes rooms for up to 25 hours on low and 12 hours on high to create ideal humidity levels that help ease congestion, cold symptoms, dry skin, coughs, and encourage better sleep. Additionally, customize their comfort using the 2 mist settings and 360° mist nozzle to direct humidity where it’s needed most.

SOFT GLOW NIGHT LIGHT: Create a soothing environment for your baby with the optional, soft blue glow from the night light that gently lulls your little one to sleep during naps or bedtime

INSTANT DRY AIR RELIEF: Ultrasonic cool mist technology safely and quickly moisturizes dry air for up to 25 hours of continuous operation in medium to large rooms up to 250 square feet. Powerful mist output with high and low settings makes this humidifier ideal for bedrooms, baby nurseries, office, and indoor plants.

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 congestion, coughs, cold-like symptoms, allergies, dry skin, and sinus issues.

ENCOURAGE RESTFUL SLEEP: Easily run the humidifier overnight to maintain a healthy humidity level in your space. The optional night light offers a soothing glow while the whisper-quiet operation ensures you can sleep peacefully without any disturbance.

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

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

OPTIONAL NIGHT LIGHT: Offers soothing lighting for maximum relaxation and operation in the dark (choose between blue, green, and red)

SLEEK, COMPACT SIZE: Ultrasonic cool mist technology safely and quickly moisturizes dry air in frequently used small spaces, like offices or small bedrooms up to 175 square feet

10-HOUR RUN TIME: Allows for continuous overnight operation while you sleep without needing to refill the ample 0.7L water tank with 2 mist setting options

WHISPER-QUIET OPERATION: At under 32dB, this humidifier runs near silently in the background making it ideal for work, sleeping, or relaxing

COOL MIST HUMIDIFIER FOR CHILDREN: Help your kids breathe easier throughout the night with this whimsical cool mist humidifier and night light. Thoughtfully designed and rigorously tested, this Parent Tested, Parent Approved award winner is perfect for your baby’s nursery, kid’s bedroom, or any space up to 250 sq ft that needs extra humidity.

INSTANT DRY AIR RELIEF: Quiet enough for bedtime, the large 1.8L tank moisturizes rooms for up to 24 hours to create ideal humidity levels that help ease congestion, cold symptoms, dry skin, coughs, and encourage better sleep. Additionally, customize their comfort using the mist control knob to incrementally adjust the moisture output and rotate the 360° nozzle to direct the humidity wherever you need it.

SOFT GLOW NIGHT LIGHT: Create a soothing environment for your baby with the optional and independent night light. Rotate through 8 rainbow-spectrum colors or use Color Choice Technology to select your favorite color to gently lull your little one to sleep during naps or bedtime.

UNIQUE TOP FILL DESIGN: Easily pour water directly into the top of the humidifier for convenient mess-free refills with a built-in water window ensuring you’ll never overfill.

BETTER AIR & FEWER REFILLS: Hume Max helps alleviate the effects of dry air longer with our industry-leading tank size for top filling humidifiers, a capacity of almost 1 gallon.

3 MIST SETTINGS: Maximize your comfort and adjust the moisture in any room with customizable mist outputs — Low setting: mists up to 30 hours; medium setting: mists up to 18 hours; high setting: mists up to 12 hours.

LONG-LASTING RELIEF: Ultrasonic technology provides up to 50 hours of continuous operation (depending on mist setting) without the need to refill the water tank–allowing 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

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 efficiency–no special brushes or tools needed | Automatic safety feature turns humidifier off when water level is low or the water tank is removed

PREMIUM ULTRASONIC HUMIDIFIER: Built with a generous 2-liter capacity, this water tank humidifies and hydrates dry air for up to 50 hours of continuous operation. Its minimalist design and sizable water tank are ideal for large rooms up to 350 sq ft., such as bedrooms, baby nurseries, and offices.

INSTANT DRY AIR RELIEF: A powerful mist output with 2 settings creates a higher level of humidity to moisturize dry skin, and help ease congestion, coughing, and other cold symptoms. Breathe easier while you sleep thanks to a 360° mist nozzle that adjusts to direct humidity toward your face, or away from your body and into the room.

ALL-NATURAL AROMATHERAPY: The combination of humidification and a diffuser gently scents your space and pleases the senses. Add your favorite 100% pure essential oil (sold separately) to the water tank and base to deodorize the air, reduce unpleasant odors, and promote relaxation.

INSTANT HUMIDITY FOR SMALL SPACES: Converts a standard individual water bottle into a moisture-producing water tank that offers ideal coverage for an office cubicle or hotel room

VARIABLE MIST SETTINGS: Regulate humidity in the air directly around you with the adjustable mist control knob on this travel humidifier

WATERLESS AUTO SHUT-OFF: Shuts off automatically when water bottle is empty

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.

WARM & COOL MIST TECHNOLOGY: Fill the room with up to 50 hours of cool mist or 25 hours of warm mist with 2 independent 360-degree rotating mist nozzles that provide steam in opposite directions for diverse room coverage, or point them in the same direction for more powerful steam output.

BUILT-IN HUMIDISTAT: Gauges the level of humidity in the room and has the option to turn the unit off once the room reaches the pre-programmed level of humidification.

INTUITIVE TOUCH-BUTTON CONTROL: Sleek, touch-button panel with LED display 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.

Reduces release of white dust caused by minerals in tap water

Easy to install and remove

Compatible with Pure Enrichment’s Hume Ultrasonic Cool Mist Humidifier

2 Mist Settings: Enjoy fresh, moisturized air with our ultrasonic cool mist on the high or low setting

0.7 Liter Tank: Compact humidifier runs overnight for as long as 12 hours on a single tank

Night Light Setting: An optional blue night light setting and minimal operational noise allow for a calming effect while sleeping

2 Mist Settings: Enjoy moisturized air with ultrasonic cool mist on the high or low setting

Large Tank for 25-Hour Operation: The 1.5 liter tank allows for overnight use as long as 25 hours

Night Light Setting: An optional night light setting allows for a calming effect while sleeping

24 Hour Variable Mist Control: An easy to use knob allows you to control the amount of cool mist that emits from the humidifier for up to 24 hours

Ample Room Coverage: With up to 250 sq ft of coverage, this unit is ideal for nurseries, playrooms, and children’s bedrooms

Large Tank Capacity: Holds 1.8L of water and features a wide opening for easy cleaning