10 Best Filterless Humidifier

Best Filterless Humidifier

If you have problems with dry air or allergies, a filterless humidifier could be an excellent solution. Using advanced technology, these humidifiers can add moisture to the air in your home or office without relying on traditional filters. This can help to improve the air quality, reduce allergens, and alleviate symptoms such as dry skin and respiratory problems.

Finding the best filterless humidifier can be challenging, as many different models are available on the market. Some factors to consider include the size of the unit, the type of technology used, and the overall cost.

Additionally, choosing a unit that is easy to clean and maintain is essential, as this can help prolong its lifespan and ensure that it continues to work effectively over time.

You can trust us to help you find the perfect filterless humidifier for your needs because we have already reviewed many different models on the market. We have taken the time to research each unit’s features, benefits, and drawbacks and are committed to providing honest, unbiased advice.

Whether you’re looking for a small unit for your bedroom or a larger model for your living room, we can help you find the right humidifier for your home or office.

Top 10 Filterless Humidifier

Best Overall: Pure Enrichment Mistaire XL Ultrasonic Cool Mist Humidifier 

The Pure Enrichment Mistaire Xl earns its spot as the best overall filterless humidifier on the market for several compelling reasons.

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 LightFirst and foremost, its ultrasonic technology silently produces a soothing, cool mist, ensuring a peaceful environment for relaxation or sleep. This quiet operation is a game-changer, as it won’t disrupt your daily activities or restful nights.

Second, the Mistaire Xl boasts an extra-large water tank capacity, allowing it to run continuously for up to 24 hours. This extended runtime means you can enjoy consistent moisture without frequent refills, making it ideal for busy individuals or overnight use.

Lastly, the optional nightlight feature adds a subtle glow to your room, creating a calming ambiance that’s especially beneficial for children or those who prefer a gentle light during the night.

The Pure Enrichment Mistaire Xl is perfect for anyone seeking a filterless humidifier that combines quiet operation, long runtime, and soothing nightlight.


  • Silent ultrasonic technology.
  • Extra-large water tank.
  • Optional nightlight.


  • Larger sizes may not fit in small spaces.
  • There is no warm mist option.

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Runner-Up: Everlasting Comfort Air Humidifiers for Bedroom

Everlasting Comfort Air Humidifiers for Bedroom - 50-Hour Continuous Use - Relieve Allergies, Sinuses, Congestion, Dry Skin - Ultrasonic Cool Mist Humidifiers for Home - Large Air Humidifier for RoomThe Everlasting Comfort Cool Mist Humidifier is a strong contender for the best filterless humidifier.

Its top features include a large water tank capacity, a built-in essential oil tray for aromatherapy, and an adjustable mist output.

The substantial water tank ensures uninterrupted moisture for extended periods, making it great for all-day use. The built-in essential oil tray allows you to enjoy the benefits of aromatherapy, enhancing the ambiance of your space. The adjustable mist output lets you control the humidity level to your preference.

In conclusion, the Everlasting Comfort Cool Mist Humidifier is an excellent choice if you’re looking for a reliable filterless humidifier with extra features.


  • Large water tank.
  • Built-in essential oil tray.
  • Adjustable mist output.


  • Bulkier design.
  • There is no warm mist option.

Best Bang For The Buck: raydrop Cool Mist Humidifiers for Home Babies

raydrop Cool Mist Humidifiers for Home Babies, 1.70 L Quiet and Small Ultrasonic Humidifier for Bedroom Nightstand, Space Saving, Auto Shut Off - (0.45 Gallon, US 110 V)The Raydrop Cool Mist Humidifier offers the best bang for your buck regarding affordability and performance.

Its standout features include a budget-friendly price, whisper-quiet operation, and a compact design.

Despite its lower cost, this humidifier delivers efficient and quiet mist production. Its compact design suits small spaces, such as bedrooms or offices.

In summary, if you’re on a budget and need a reliable filterless humidifier, the Raydrop Cool Mist Humidifier is an intelligent choice.


  • Affordable price.
  • Whisper-quiet operation.
  • Compact design.


  • Smaller water tank.
  • Limited advanced features.

Best For Small Rooms: Vicks VUL520W Mini Filter-Free Cool Mist Humidifier

Vicks Mini Filter-Free Cool Mist Humidifier, Small Room, .5 Gallon Tank, Blue – Visible Humidifier for Bedrooms, Baby Nurseries and More, Works with VapoPadsThe Vicks Mini Filter-Free Cool Mist Humidifier is the top pick for small rooms and personal spaces.

Its key features include a compact and portable design, easy-to-use operation, and compatibility with Vicks VapoPads for added comfort.

The compact size is perfect for small rooms, providing the right amount of moisture without taking up much space. Its user-friendly operation ensures hassle-free use, even for those new to humidifiers. The option to use Vicks VapoPads adds a soothing touch to your environment.

In conclusion, the Vicks Mini is an excellent choice if you have a small space and want a simple filterless humidifier.


  • Compact and portable.
  • Easy-to-use.
  • Vicks VapoPads compatibility.


  • Limited coverage area.
  • Smaller water tank.

Best For Large Rooms: LEVOIT Classic 300S Humidifier

Regarding Filterless Humidifiers, the Levoit Humidifier for Large Rooms stands out as one of the best options in the market. This remarkable product offers a range of features that make it a top choice for those seeking optimal humidity control without the hassle of filter replacement.

LEVOIT Humidifiers for Bedroom Large Room Home, (6L) Cool Mist Top Fill Essential Oil Diffuser for Baby & Plants, Smart App & Voice Control, Rapid Humidification & Auto Mode - Quiet Sleep Mode, Gray

  • Impressive Coverage: The Levoit Humidifier is designed to cater to large rooms effortlessly. Its comprehensive coverage capacity can effectively humidify up to 753 square feet. This means it’s perfect for spacious living rooms, master bedrooms, or open-plan areas. You no longer have to worry about dry air in larger spaces.
  • Smart Humidity Control: This humidifier boasts intelligent features that allow you to set and maintain your desired humidity level. The built-in sensor continually monitors the moisture level in the room and adjusts the mist output accordingly. This not only ensures optimal comfort but also saves energy.
  • Whisper-Quiet Operation: One of the most notable advantages of the Levoit Humidifier is its ultra-quiet operation. At just 36 decibels, it’s as quiet as a whisper, making it suitable for bedrooms, nurseries, or offices. You can enjoy the benefits of a humidifier without any disruptive noise.

The Levoit Humidifier for Large Rooms is perfect for individuals who need efficient humidification in spacious areas, value intelligent humidity control, and prefer a quiet environment. It’s especially ideal for families, office spaces, or anyone seeking relief from dry air.


  • Vast coverage for large rooms
  • Intelligent humidity control for convenience
  • Whisper-quiet operation
  • Suitable for bedrooms and nurseries
  • Easy to clean and maintain


  • Larger sizes may not suit small spaces
  • Initial setup may require some time and effort

(Product Source: Levoit Official Website)

Best with High-Tech: Hilife HF4 Humidifiers for Bedroom

When transforming your bedroom into a comfortable oasis, the Hilife HF4 Humidifier for Bedroom takes the lead among Filterless Humidifiers. Its innovative technology and user-friendly features offer an exceptional experience that’s hard to beat.

  • Smart LED Display: The Hilife HF4 Humidifier boasts a high-tech display that provides real-time information on humidity levels and other settings. This feature allows you to easily monitor and adjust the humidity in your bedroom, enhancing your overall comfort.
  • Dual Nozzle Design: Unlike traditional humidifiers, this model features a double nozzle design that ensures consistent mist distribution throughout your bedroom. It covers a broader area, preventing dry spots and creating a soothing environment for a good night’s sleep.
  • Night Mode: Are you worried about the LED display disrupting your sleep? The Hilife HF4 Humidifier comes with a night mode that dims the lights and reduces noise, ensuring your bedroom remains tranquil throughout the night.

The Hilife HF4 Humidifier for Bedroom is tailored for individuals who value high-tech solutions, desire precise humidity control, and want a peaceful night’s sleep. It’s perfect for bedrooms, creating the ideal sleep environment.


  • Brilliant LED display for easy monitoring
  • Dual nozzle design for uniform mist distribution
  • Night mode for undisturbed sleep
  • Sleek and modern design
  • Suitable for bedrooms and personal spaces


  • Not ideal for large rooms
  • It may require more frequent refills for extended use

Most Quiet: Symdral 26dB Quiet Ultrasonic Humidifier

For those seeking serenity and tranquility in their living spaces, the Homech 26db Quiet Ultrasonic Humidifier is the top choice among Filterless Humidifiers. Its whisper-quiet operation and efficient humidification make it a must-have for creating a peaceful atmosphere.

Humidifiers for Bedroom Large Room Home, Cool Mist Humidifiers 6L for Baby and Plants, 20-60 Hours of Run Time, 26dB Quiet Ultrasonic, 360° Nozzle, Night Light, Auto Shut-Off and Easy to Clean (White)

  • Ultra-Quiet Operation: The Homech Humidifier lives up to its name with an ultra-quiet operation at only 26 decibels. You won’t even notice it’s there whether you’re working, studying, or simply relaxing.
  • Long-Lasting Mist: With a large water tank capacity, this humidifier can run for hours without frequent refills. It ensures a continuous release of moisture, maintaining a comfortable environment in your home.
  • 360-Degree Nozzle Rotation: The 360-degree nozzle rotation allows you to direct the mist in any direction. This flexibility ensures that every corner of your room receives the benefits of increased humidity.

The Homech 26db Quiet Ultrasonic Humidifier is tailored for those who prioritize a serene atmosphere, need extended operation hours, and want versatile mist direction. It’s ideal for bedrooms, offices, and spaces with golden silence.


  • Virtually silent operation
  • Extended run time with a large water tank
  • 360-degree nozzle rotation for even coverage
  • User-friendly one-button control
  • Easy to clean and maintain


  • It may not be suitable for huge rooms
  • No humidity sensor for automatic adjustments

Best For Aromatherapy: GENIANI Smart Humidifier for Bedroom Large Room

For those who seek not only humidity but also the soothing benefits of aromatherapy, the Geniani Top Fill Cool Mist Humidifier emerges as a top choice among Filterless Humidifiers. It combines the advantages of efficient humidification with the therapeutic power of essential oils.

GENIANI Smart Humidifier for Bedroom Large Room, Top Fill Cool Mist Humidifiers 4L with Essential Oil Tray for Home, Baby, Plants, Quiet Air Humidifier Ultrasonic, Easy to Clean, Night Light (White)

  • Top Fill Design: The Geniani Humidifier’s full-fill design simplifies refilling. You can easily add water and your favorite essential oils without the hassle of disassembling the unit. This user-friendly feature enhances convenience.
  • Aromatherapy Compatibility: This humidifier features a dedicated compartment for essential oils. You can infuse your space with the delightful scents of lavender, eucalyptus, or any other essential oil you prefer. Create a serene ambiance and promote relaxation with ease.
  • Customizable Mist Levels: With adjustable mist levels, you have control over the humidity output. Whether you need a gentle mist for relaxation or a more robust production for combatting dry air, this humidifier can cater to your preferences.

The Geniani Top Fill Cool Mist Humidifier is perfect for individuals who want to elevate their well-being through aromatherapy, appreciate easy refilling, and desire customizable humidity levels. It’s an excellent addition to bedrooms, yoga studios, or relaxation spaces.


  • Top fill design for easy refilling
  • Aromatherapy compatibility for relaxation
  • Adjustable mist levels for customization
  • Whisper-quiet operation
  • Stylish and compact design


  • Smaller water tanks may require more frequent refills
  • Not suitable for large living areas

Best For Nurseries: Crane Adorable Ultrasonic Cool Mist Humidifier

Regarding nurseries and children’s rooms, the Crane Adorable Ultrasonic Cool Mist Humidifier is the go-to choice among Filterless Humidifiers. It combines functionality with an adorable design, making it perfect for little ones.

Crane Adorables Ultrasonic Cool Mist Humidifier, Filter Free, 1 Gallon, 24 Hour Run Time, Whisper Quite, for Home Bedroom Baby Nursery and Office, Elephant

  • Cute and Playful Design: The Crane Adorables Humidifier has various adorable animal shapes, from penguins to elephants. It adds a fun element to any child’s room while providing the benefits of humidity.
  • Ultrasonic Technology: This humidifier uses ultrasonic technology to disperse a fine, cool mist. It’s safe for children and pets and effectively combats dry air, helping to prevent dry skin and congestion.
  • Variable Mist Output: With an adjustable knob, you can easily control the mist output. Lower settings are ideal for nighttime use, ensuring a comfortable sleep environment for your little one.

The Crane Adorable Ultrasonic Cool Mist Humidifier is tailored for parents and caregivers looking to create a comfortable and playful atmosphere in children’s rooms, nurseries, or play areas. It’s a must-have for maintaining healthy indoor air.


  • Cute and playful design options
  • Safe ultrasonic technology for kids and pets
  • Adjustable mist output for customized comfort
  • Whisper-quiet operation for peaceful sleep
  • Easy to clean and maintain


  • Limited coverage, best for small to medium-sized rooms
  • Not suitable for large living spaces

Best For Travel: MOVTIP Portable Mini Desktop Humidifier

For those who require humidity control even when on the move, the Movtip Portable Mini Humidifier is a top choice among Filterless Humidifiers. Its compact size and portability make it a convenient companion for travel.

Portable Mini Humidifier, 500ml Small Cool Mist Humidifier, USB Personal Desktop Humidifier for Baby Bedroom Travel Office Home, Auto Shut-Off, 2 Mist Modes, Super Quiet, Gray

  • Portable Design: The Movtip Mini Humidifier is designed for portability. It can be powered by USB, making it compatible with laptops, power banks, and car chargers. This allows you to maintain comfort and hydration wherever you go.
  • Quiet Operation: Despite its small size, this humidifier operates quietly, ensuring you can use it discreetly in public places, offices, or hotel rooms without disturbing others.

The Movtip Portable Mini Humidifier is perfect for individuals who are frequently on the go, whether for business or leisure. It’s an essential addition to your travel kit, ensuring you can enjoy the benefits of humidity even in dry hotel rooms or during long flights.


  • Compact and portable design
  • USB-powered for convenience
  • Quiet operation for discretion
  • Suitable for travel and office use
  • Easy to use and maintain


  • Limited water tank capacity requires frequent refills
  • Not suitable for large spaces

These Filterless Humidifiers offer diverse options, from spacious rooms to bedrooms, nurseries, and even on-the-go scenarios. Choose the one that aligns with your requirements and experience the benefits of improved indoor air quality and comfort.

Best Filterless Humidifier – What To Look For

If you’re looking for a filterless humidifier, here are some key factors to consider when choosing the right one for your needs:

Room size

Consider the size of the room where you’ll be using the humidifier. A larger space will require a larger unit with a higher output capacity, while a more minor team can adequately serve a smaller room.


Look for a filterless humidifier that uses advanced technology to add moisture to the air without relying on traditional filters. Ultrasonic or evaporative humidifiers are popular choices, as they are efficient and effective.

Ease of maintenance

Choose a unit that is easy to clean and maintain. This will help prolong the humidifier’s life and ensure it continues working effectively.

Noise level

Consider the noise level of the humidifier. If you plan to use it in a bedroom or other quiet space, look for a unit that operates quietly, with minimal noise.


Consider the cost of the unit, and choose one that fits your budget. Remember that higher-priced units may have additional features or capabilities worth the investment.

Safety features

Look for a unit with built-in safety features, such as automatic shut-off or overheating protection when the water reservoir is empty.


Consider the creation of the unit, and choose one that fits your style and preferences. Some units come in various colors and styles, allowing you to choose one that complements your home decor.

By considering these factors, you can choose a filterless humidifier that meets your needs and provides the benefits of improved air quality and alleviated symptoms associated with dry air.

Filterless Humidifier FAQ

Here are some common questions and answers about filterless humidifiers:

How does a filterless humidifier work?

A filterless humidifier uses advanced technology to add moisture to the air without relying on traditional filters. This can include ultrasonic or evaporative technologies, which use vibrations or evaporation to produce a fine mist of water droplets released into the air.

How do I clean my filterless humidifier?

Cleaning a filterless humidifier is typically easier than cleaning a traditional humidifier with filters. Follow the manufacturer’s instructions for cleaning and maintenance. Most units can be cleaned with a mixture of water and vinegar or mild detergent and warm water. Always empty and refill the water reservoir to prevent bacteria and mold growth.

Can I use essential oils with my filterless humidifier?

While some filterless humidifiers are designed to be used with essential oils, it’s important to check the manufacturer’s instructions before using oils with your unit. Some oils can damage the humidifier or cause excessive buildup, so it’s essential to use only oils that the manufacturer recommends.

How often should I replace my filterless humidifier?

Filterless humidifiers typically don’t require regular filter replacements, but following the manufacturer’s recommendations for maintenance and cleaning is essential. Proper care ensures a good quality filterless humidifier can last many years.

How do I know if my filterless humidifier is working correctly?

You can check that your filterless humidifier is working correctly by monitoring the humidity level in the room using a hygrometer. You should also check the water reservoir regularly to ensure it is complete and the unit releases mist into the air. If you notice any issues with the team, such as reduced mist output or unusual noises, refer to the manufacturer’s troubleshooting guide or contact customer support for assistance.


As we mentioned, using a filterless humidifier is cost-saving in the long run because you will no longer need replacement filters to take over from its worn-out predecessor. They are also easier to clean, slide the grid off, and wipe down.


  • Gabriel Turner

    Greetings, I'm Gabriel Turner, your lover in the realm of climate control, specializing in Air Conditioners, Dehumidifiers, and Humidifiers. With a wealth of experience cultivated over the years, I've become your reliable expert in creating the perfect indoor atmosphere. When not fine-tuning the air, you can find me jamming on the guitar, exploring the outdoors with my adventurous husky, and savoring the delights of a perfectly brewed cup of chai. Let's keep the air comfy and the vibes just right!

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