10 Best Filterless Humidifier of October 2025

• COOL MIST HUMIDIFIER - Featuring a 6L (1.6gal) tank, with a super high mist output our ultrasonic humidifier for bedroom works with rooms up to 500 square feet and lasts 50 straight hours.
• ESSENTIAL OIL TRAY - Features a tray where you can add essential oils similar to an oil humidifier diffuser. The cool mist air humidifier fan then circulates the oils into the mist giving you a clean, pure and fresh smelling aroma. Ideal baby humidifier featuring a blue LED nightlight.
• HELPS REDUCE ILLNESSES - Decrease the risk of illness by keeping the relative humidity above 43. A humidifier in the bedroom or nursery helps provide adults and babies with a good night's sleep by diffusing moisture into the dry air, helping with coughs and clearing sinuses.
• AUTO SHUT OFF - The vaporizer humidifier will automatically turn off when it runs out of water preventing damage to the unit and keeping you safe.
• NO EXPENSIVE FILTERS NEEDED - Our unique design eliminates the need for a filter, making us the best ultrasonic humidifier on the market.

Everlasting Comfort

• 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.

Vicks

• SPACE SAVING DESIGN: With vertical oval shape, it is a specially-designed cool mist humidifier for bedroom nightstand and office desk, fitting narrow space for better air wherever you are.
• QUIET HUMIDIFIER FOR BABIES: Humidifying the air at a low noise level of just 32dB, intelligent air inlet design, FCC-certificated and BPA FREE material, perfect ultrasonic humidifier for baby room nursery and kids.
• EASY TO CLEAN HUMIDIFIER: lightweight and slim 60oz/1. 8L tank, the humidifier can be picked up with one hand for an easy clean and refill, provides ideal coverage for bedrooms, offices, and other medium-sized rooms.
• DIAL KNOB CONTROL: The mist output of this air humidifier can be conveniently adjusted for full control of the air you breathe.
• SMART HUMIDIFIER: 360° nozzle, smart LED indicator, and auto shut-off when waterless and tank is lifted up, the humidifier will surround you with clean fresh air for better sleep and better breathe.
• COUGH & CONGESTION RELIEF: TaoTronics humidifiers provide temporary relief from coughing & congestion due to colds or allergies. Help you breathe easier wherever you are, from the bedroom to office.

TaoTronics

• 360° DEGREE HUMIDITY COVERAGE: 360°degree rotating nozzle at a height of up to 24 inches ensures an even level of humidity distributed in your home. With adjustable level and maximum mist output up to 300ml/hr.The mist particles are even and fine ,let you feel comfortable.The ultrasonic air diffusion is ideal for bedroom, office, babies and large room and can help you to fight with dry skin, wrinkles, insomnia and nose bleeds
• Large Capacity and Long lasting: Holds an impressive 4L of water allows for more than 60 hours of continuous use in 60 ml/hr.It can reduce the trouble of adding water, and you don't have to worry about the discomfort caused by drying when you sleep.
• Peace and Quiet：Ultrasonic humidifier with weaken water flow technology and ddustproof sponge lowers the noise level to26dB for quiet humidification without disturbing your study, working . And all night mist makes you have a pleasant and quiet sleeping.
• Powerful Multiple Protection Keep Safe and Stable: Auto shut-off when the water's drained or when water tank lifted; dry burn protection ; IC board waterproof with nanometer layor; dustproof sponge prevents dust from entering via the base for a a nursery humidifier baby with a lengthy life span and ensure a safe environment.
• Clean and Healthy: Wide opening up to 92mm for simple cleaning and filling; The fan rotates for 3 minutes after the fog is stopped, and the mist guide tube is drained to prevent the pipe from becoming moldy.

Homech

• LARGE CAPACITY, ENJOY OVERNIGHT OF COOLING ATMOSPHERE: Get the most sleep at night, without disturbance from mist noise or waking-up for a water refill for your humidifier, not anymore when using our Magictec Cool Humidifier with wider storage tank that stores liquid up to 2.5L capacity and super functional device that works up to 24 hours of humidifying.
• 360° NOZZLE SPRAY + ADJUSTABLE MIST OUTPUT COOL HUMIDIFIER: Our nozzle sprayer provides all- around humidification that will give the entire bedroom with comfortable cool and fresh air during napping or sleeping. Automatically directs the flow of mist to areas that needed moisture and keep away from the place that already dried. Adjustable functionality, change the amount of mist flow by adjusting the dial knob and then you can set your desired humidity level in your living room.
• DISCRETE MIST + POWER SAVING AUTO SHUT-OFF MECHANISM: Nothing is more delightful than having a humidifier device that provides super quiet mist - less than 30dB, design with ultrasonic technology. For sure you got the restful sleep every night. This cool-mist humidifier has inside low water protection for when its lack of liquid. Automatic power-off function starts when water has been used up to ensures safety.
• HUMIDIFIES EVERY LIVING SPACE, FRESH AIR QUALITY FOR THE WHOLE FAMILY: Getting dried/chapped skin and cracked lips during cold or winter? Not anymore when having our air humidifier, it moisturizer the air with ultrasonic cool mist technology to relieves stress and create a comfortable and breathable living atmosphere at home. Perfect humidification system for bedroom, living room, nursery room, and even for office.
• PREMIUM QUALITY + AWESOME GIFTING IDEA + ZERO RISK PURCHASE: Constructed with the finest durable ABS materials that provides long-lasting usability, and design to complement every tabletop. A great gift to any men or women for birthday, holidays, housewarming, etc.

Magictec

• 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. 05 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 (<5μm) that is efficiently spread through the independent air duct, humidifying the room while keeping furniture dry
• 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
• Humidifiers for Sleep: With its patented silencer and DC hydraulic fan, the air humidifier operates at less than 30dB. The display light automatically turns off after 30 seconds, helping you get right to sleep
• Adjustable Mist: The dual 360° nozzle and 3 mist speed settings help you create a soothing, comfortable environment that’s just to your liking. One touch button control design makes it easy to use
• Tips for Best Use: After you refill the water tank, ensure your humidifier doesn't leak by aligning the arrow on the water tank cap to the lock symbol on the tank; To ensure the mist works best, please do not add water into the base directly

LEVOIT

• EFFICIENT HUMIDIFIERS FOR BEDROOM: With 2.2L large tank, the cool mist humidifier allows up to 24 hours of working in low mist. 360°degree 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 & 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, 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.

Homasy

• 4L Tank Capacity, Works for All Night: Over a gallon of water lasts for 12-30 hour working time on a full tank; designed to humidify the air in rooms up to 10-30 m² / 107-322 ft², bedroom, nursery, office and so on
• Informative LED display: Built-in Humidistat tells you the current RH; Easily choose between three mist levels; Set your desired humidity level, 40-60% is recommended
• Nightlight & Sleep Mode: Choose to turn on the nightlight, or enter sleep mode to shut off LED screen for a discreet sleep at night
• Safe to Use: Automatically shuts off when water runs out; Microporous cartridge filters the water from micro-organisms and bad odor, we recommend you change filters every 4-6 months
• Please do NOT use with essential oils, which will damage the machine and cause leakage problem.
• Cough & Congestion Relief: TaoTronics humidifiers provide temporary relief from coughing & congestion due to colds or allergies. Help you breathe easier wherever you are, from the bedroom to office

TaoTronics

• 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.
• Uses Protec Continuous Cleaning Cartridge: PC2V1

Honeywell

• Quiet Operation for Bedroom Use: Ultrasonic humidifiers are incredibly silent, reduces noise to 26dB (Patent No: US16/439, 758 pending); perfect for your baby and a disturbance-free sleep at night
• 6L Tank Capacity & Mist Adjustable: Over 1.6 gallon of water lasts for 20-60 hour working time on a full tank; designed to humidify the air in rooms up to 20-40 m² / 215-430 ft²
• 90mm Water Inlet: Allows you to refill and clean the machine with ease and convenience. There won’t be any spill when filling, and you can fit your hand into the tank to clean it thoroughly
• Optional Night Light: The bedroom humidifier offers soothing glow for easy operation in the dark; press the light button to turn on/off the night light; hold the light button for 1.5s to turn on/off the tank light
• Smart Personal Humidifier with Low Water Warning: The LED indicator will shine red and the ultrasonic air humidifier will stop misting to prevent the device from overheating

Miroco