Top 10 Best Filterless Humidifiers To Buy Online

Finding the right filterless humidifiers for your needs can be challenging. This is because of the hundreds of options available, all claiming to be the best in terms of quality.

However, this is not true because the best filterless humidifiers differs in terms of features, cost, build quality, and ease of use. This explains why some products have higher ratings and more positive reviews than others on various independent websites.

So then, how do you tell which is the best product? Below is a buying guide with the key factors to consider to help you quickly narrow down your options.

Quick Look At the Top filterless humidifiers

Best filterless humidifiers Reviews

Bestseller No. 1
Syvio Humidifiers for Bedroom Baby, Dolphin-Shaped 7-Color Night Light Cool Mist Humidifiers for Nursery, Kid, office, Filterless, Variable Mist, Whisper-Quiet, Lasts 15-45 Hours, BPA Free, 1.8L, Blue
  • 🐋[Cute Appearance & 7-Color Soft Night Lights] This cool mist baby humidifier is designed with a cute dolphin shape, which is popular with kids and babies, the cute eyes and mouth sticker, improve the fun of life and stimulate children's imagination. Optional 7-Color Soft Night Lights, make life more marvelous.
  • 👶[Safe even for babies & Quiet] Syvio humidifiers for bedroom is made of BPA-free materials and passed FCC and ETL Certification, which is 100% safety even for babies. Adopted ultrasonic technology, 𝗤𝘂𝗶𝗲𝘁 𝗕𝗲𝗹𝗼𝘄 𝟮𝟰𝗱𝗕, smaller than the sound of leaves falling down, moisturizing, comfortable and quiet to help your baby fall asleep faster, relieve congestion and headaches.
  • 💙[Variable Mist Output & Easy to Control] Syvio humidifiers for baby is designed with mist control dial, it's so easy to adjust humidity to your comfort level, and so easy to operate even for children and the elderly.
  • ✨[2 IN 1 HUMIDIFIER AND 𝗔𝗥𝗢𝗠𝗔 𝗗𝗜𝗙𝗙𝗨𝗦𝗘𝗥] Are You Still Troubled By the Dryness of Skin, Congestion, and Dry Coughing?👏Syvio humidifier keeps accompany you in any seasons as both a humidifier and aroma diffuser, you can add the essential oil to the tank, enjoy the wonderful aroma surrounded by.
  • 💝[Top Fill & Water Shortage Protection] Syvio Humidifiers for bedroom comes with customized integrated water tank and top fill design, making it easier to clean and refill without leakage. Furthermore, it will auto turn on water shortage protection mode(Red Light On) if the water in the tank is run out of, turn on it and enjoy the carefree comfort it brings.
SaleBestseller No. 2
Pure Enrichment® MistAire™ Ultrasonic Cool Mist Humidifier - Quiet Air Humidifier for Bedroom, Nursery, Office, & Indoor Plants - Lasts Up To 25 Hours, 360° Rotation Nozzle, Auto Shut-Off, Night Light
  • 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.
  • EASY-FILL TANK & AUTO SHUT-OFF: The sleek and transparent 1.5 liter water tank is easy to fill right from your kitchen or bathroom sink and the compact design doesn’t take up too much tabletop space. Plus, the automatic shut-off feature turns the humidifier off when the water level is low or the tank is removed.
  • 5-YEAR WARRANTY: This BPA-free humidifier comes with an AC power adapter, disk cleaning brush, and Pure Enrichment’s guaranteed 5-Year Warranty. Our customer support team provides quality service and peace of mind to millions worldwide all from a brand you can trust.
SaleBestseller No. 3
Humidifiers for Bedroom, raydrop Cool Mist Humidifiers for Babies, 1.70L Quiet Ultrasonic Humidifier, Space-Saving, Filterless, Auto Shut Off - (0.45 Gallon, US 110V)
  • SPACE SAVING DESIGN: Vertical oval shape designed for bedroom nightstand and office desk, fitting narrow space wherever you are.
  • QUIET HUMIDIFIER FOR BABIES: Humidifying at a low noise level of just 32dB, intelligent air inlet design, FCC-certificated, perfect ultrasonic humidifier for kids room nursery.
  • DIAl KNOB CONTROL: Selecting the mist output conveniently for full control.
  • POWERFUL FEATURES: Smart indicator, and auto shut-off when water is run out and tank lifted up.
  • TRANSPARENT WATER TANK: It's easy to check the rest of water and the dust inside.
SaleBestseller No. 4
Everlasting Comfort Cool Mist Humidifier for Bedroom (4L) - Filterless, Small, Ultrasonic, Quiet - Large Room Home Air Vaporizer for Babies - Diffuser and Essential Oil Tray (Black)
  • Perfect Coverage for Your Home, Apartment, Nursery, or Dorm: Our ultrasonic humidifier has a 4 liter (1 gallon) tank that works in rooms up to 300 sq feet and lasts for up to 40 hours
  • Better Smelling Air: We included an essential oil tray in our air humidifier that circulates fragrant oils into the cool mist, giving you a pure and fresh smelling aroma. 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
  • Silent and Safe: Our small room humidifier is whisper quiet 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 humidifier with essential oil diffuser should anything go wrong
Bestseller No. 5
Okaysou Humidifiers, 2.2L Cool Mist Small Humidifier for Bedroom & Large Room W/ Essential Oil Diffuser, Filterless Quiet Baby Humidifier, Auto Shut-off, BPA-Free, 360° Nozzle, Easy Clean, Fill, Blue
  • 【2.2L Water Tank, Adjustable Mist Output】 This cool mist humidifier for the bedroom lasts for 15 hours working time. Which can avoid the inconvenience caused by frequent refilling. The design of 360-degree double-rotating nozzles can quickly and effectively spread humidity to any corner. Designed with dial knob mist control, easily control the mist output of humidifiers for a large room. The comfortable cool mist humidifiers reduce snoring and relieve dry skin. Humidifiers add more moisture to your home by emitting water vapor into the air.
  • 【BPA-Free Humidifier & Diffuser 2 in 1】 The humidifiers also work as a diffuser and you can add favorite essential oil to help relax and relieve stress. Aromatherapy Tray creates a relaxing environment with your favorite essential oil.
  • 【Whisper-Quiet Bedroom Humidifier】 Our portable home humidifiers for bedroom with ultrasonic cool mist technology, operates silently for your baby sleep better, compact, sleek and cute blue design for baby humidifier, additionally, this humidifier relieves dry eyes, scratchy throats and will help reduce snoring. It is lightweight and portable, which means you can bring the humidifier to anywhere you want to go.Also can be used as personal humidifiers.
  • 【User Friendly & Safe to use】 Easy to check water level at any time, the 2.2L humidifiers have a coverage area of up to 300 square feet. it uses cool mist setting, just 25 Watts, the humidifier is the most energy-efficient option. And the unit will automatically auto-off when the water level is low. You can SET IT AND FORGET IT!, worry-free as a nursery humidifier. A low water indicator light lets you know when it's time to refill the water tank.
  • 【Filterless & Easy to Clean, Fill with Large Opening】 What is A Filterless Humidifier? You don't need to replace filters. A filterless humidifier is typically quieter, because it uses ultrasonic technology, Reduces costs of maintaining the humidifier. The sleek 2.2-liter cute water tank is easy to refill water and clean just remove the lid and refill water into the tank.
Bestseller No. 6
LEVOIT Humidifiers for Bedroom Large Room Home, 6L Cool Mist Top Fill Essential Oil Diffuser for Baby and Plants, Smart App & Voice Control, Rapid Humidification and Humidity Setting, Quiet Sleep Mode
  • POWERFUL & UPGRADED NEW YEAR GIFT: The unexpected 4× faster humidification speed lasts up to 60 hours, and the covering is up to 505 ft². You can also use the APP to customize the humidity so that it adjusts automatically without worry
  • BEST HUMIDIFIER FOR BEDROOM: Lying in bed, using the APP or Alexa to control settings, the humidifier will raise RH 12% in 30mins. Enjoy the soft night lights, and the Sleep Mode will give you an optimal sleep-humidifying environment
  • BETTER SMART CARE: Simply use the free VeSync APP to control settings anytime & anywhere, create schedules, etc. And the Auto Mode will maintain the room humidity at the healthiest humidity level in you. The powerful and long-lasting cool mist Humidifier helps moisturize the dry air and your skin.
  • PLANTS NEED IT: In addition to the most basic plant humidification, it offers you more comprehensive plant-care programs. Including scanning recognition, more professional encyclopedias, and specialized custom plant management
  • CONVENIENT TOP-FILL DESIGN: The large opening makes refilling and cleaning the tank easy. Enjoy the convenience of a zero-leakage designed product
SaleBestseller No. 7
40 Hour Top Fill Cool Mist Humidifiers for Bedroom & Essential Oil Diffuser 4L - Quiet Air Smart Filterless, Ultrasonic Humidifier for Home, Large Room, Small Vaporizer for Plants, Baby, Kids (Black)
  • ✅ BECAUSE YOU DESERVE THE BEST: Our classic, dual-function air humidifier delivers instant comfort and relief on the spot when you need it most! Made so you can relax and unwind to your favorite essential oils about the house. Their wide 220 ft2 range makes them an optimal self-care solution and works especially well as humidifiers for large room areas.
  • ✅ INNOVATIVE AUTO-FUNCTION FOR YOUR CONVENIENCE: This cool mist humidifier features an integrated smart sensor to automatically maintain a healthy room humidity level. All the more making it an excellent humidifier for home use as you can manually adjust and set the humidity level to either a low, medium, or high setting.
  • ✅ NEXT-LEVEL APPROACH FOR DAILY USE: Sick of spilling water as your tank topples over when you try to refill your large humidifier? Lucky for you, our humidifiers for bedroom with essential oils tray are easy to refill! Simply remove the lid to replenish our top fill humidifier. Truly a revolutionary way to keep your rooms at your desired humidity level without all the fuss.
  • ✅ WAKE UP FEELING FULLY RESTED: Get a good night's sleep thanks to our humidifier's silent, 30dB operating function. Enjoy undisturbed rest as our humidifiers for bedroom use keep your room's humidity level stable while you sleep. Relax and breathe easy throughout the night thanks to our humidifier moistening the air while being silent as a clock.
  • ✅ A GREAT SLEEPING COMPANION FOR YOUR LITTLE ONES: Our humidifier’s smooth operating function makes it a great kids humidifiers for bedroom use so your children will sleep better throughout the night. Its auto features indicate when the tank is running low on water, automatically shutting off on its own and doubling as a neat night light for your kids! Perfect humidifiers for baby use, providing the utmost care and ambient atmosphere for your newborn’s protection throughout the night!
Bestseller No. 8
ROSEKM Humidifiers for Bedroom, 2.0L Cool Mist Humidifier for Plant and Baby Nursery, Small Quiet Air Humidifier, Ultrasonic, Filterless, Auto Shut-Off, Black
  • IDEAL HUMIDIFIER FOR BEDROOM: Single refill of water that lasts overnight. This cool mist humidifier with 2.0L(0.53gal) capacity can quietly run for 10 hours on high setting and auto shut-off when it’s out of water.
  • DRY AIR SYMPTOMS SAVER: This air humidifier is made with 200ml/h powerful output, helping you quick relief in minutes! No more troubles with congestion, coughing, and dry skin.
  • JUST THE RIGHT SIZE: Not too big or small, it is designed in a compact size, and provides ideal coverage for all areas of your home including bedrooms, offices, baby nursery, and other medium-sized spaces up to 323ft².
  • CUSTOMIZE YOUR MIST: You can adjust the mist output volume to the ideal humidity level for comfort with one-touch control. The 360°nozzle can be adjusted to spray the mist in the direction you desire.
  • EASY TO CARE: This filter-free humidifier has a visible water tank to show how much water is left. Detachable water tank and nozzle make it easy to clean and refill. We create, you enjoy!
SaleBestseller No. 9
Humidifiers for Bedroom Large Room: 4L Cool Mist Air Humidifiers, 50H Cold Air Vaporizer, 22dB Quiet Ultrasonic Humidifiers for Baby and Plants, Filter Free Humidifiers for Whole House, Auto-Shut Off
  • Powerful & Long Lasting: Our large cool mist humidifier has a 4L (1gal ) water tank that can last for 50 hours running time, no need to refill frequently. You can sleep at ease all night and say goodbye to asthma allergies, sinus congestion, dry throat, dry skin, etc.
  • No Wet Desktop: Are you still worried about the mist getting wet on the table? Try this Z200 room ultrasonic humidifier! The atomizer sheet vibrates 1,700,000 times per second to disperse the water particles, and the built-in baffle screens the fine mist into the air away from the table ≥ 70cm/ 28 inches, so it doesn’t wet your desk or floor. Mist output can be adjusted at will, up to 300ml/H, and enjoy the humidity that suits you!
  • Quiet Sleep: The baby humidifier for the bedroom has no humming or dripping, the noise level is lower than 22dB, quiet like the sound of a clock turning. Suitable for you and your kids to sleep better, breathe better, and live better!
  • 360° Rotating Spray: Efficient humidification without dead angle, 360° rotating detachable nozzle, free to point anywhere you like. With a large area of 20-40㎡/ 215-430ft², completely covering your bedroom, living room, kitchen, etc.
  • Waterproof & Easy to Clean: Thanks to the nano-waterproof technology of the Z200 cool mist humidifier, the risk of a short circuit on the circuit board is greatly reduced, and the service life is longer than that of the humidifier without the protection of nano-waterproof technology. 95mm wide opening for easy cleaning and refilling

filterless humidifiers Buying Guide

There are many products available today in the market. Therefore, finding the best one can be daunting. But don’t fret! In this post, we will discuss features to look out for to help you make the right purchasing decision.

Build quality

Start by considering the materials the filterless humidifiers is made of. This is because some products are made of higher quality materials with better durability than others. As such, you will find these products more long-lasting.

On the flip side, though, a product with the better build quality is likely to be slightly pricey. Therefore, you must consider your set budget.

Manufacturer reputation

Another thing to consider is investing in a product that comes from a reputable manufacturer for additional peace of mind. This is because a reputable brand has higher chances of selling superior-quality products with a longer lifespan.

Additionally, reputable manufacturers are more likely to accept responsibility if their products have any sort of defects. This is because they would not like their name tarnished.

Typically, there is the belief that brands that have been in the industry for many years are more reputable. Unfortunately, sometimes this is not true. You can still find relatively new brands with excellent reputations.

User’s reviews and ratings

Before making your purchase, it is advisable to check out what previous customers have had to say about the product. This helps ensure you have a better idea of the pros and drawbacks of the product. And as a result, you can determine if the product is a good purchase or not.

If customers are satisfied with the product, it will have tons of positive reviews and high ratings. But if the product’s quality is questionable, it will have many negative reviews.

But you know what? Sometimes, some brands publish hoax positive product reviews on their official website. Because of this, you might want to read write-ups only from self-dependent sites.


Additionally, you need to consider the ease of use of the product. Like how accessible is the product? You don’t want to spend many hours just figuring out how the product functions.

If you want to know better about the product’s usability, you can get all this information in the customer’s reviews section. That said, consider buying a product with an easy-to-follow user manual.

Warranty policy and guarantee

The best product should be a long-term and not a short-term investment. As such, investing in a product backed by a warranty against defects and lousy workmanship makes much sense.

Generally, a product backed by a one-year warranty or more offers peace of mind since manufacturers offer different warranty periods. That said, always ensure you know all the information about the warranty policy, including what it covers and does not.

Apart from the warranty, you should consider the return policy. Some manufacturers offer at least a 30-day money-back guarantee, but others don’t. This allows you to return the product for free and get your money back.


There is no cheap best filterless humidifiers. The prices of these products differ depending on many factors like durability, quality, and manufacturer reputation. Nothing to worry about, though, because there are some quality and affordable units.

But before you buy the product, you must have a clear budget. This way, you can scale down the hundreds of alternatives available.

That said, don’t ever be in a rush to buy the cheapest product you find. Its quality may not be as good as that of its expensive counterpart.

Top Ten Tips For Buying The Best filterless humidifiers

Up to this point, you already know what features to consider when looking for the best product. So, below are extra tips for buying a product that meets your needs.

  1. Have a budget, and ensure to get a high-quality product that does not go beyond your budget.
  2. Always be on the lookout for any sale discounts and other offers. However, don’t compromise on the quality of the product.
  3. Create ample time to make a price comparison of the best products in various shops and from different brands.
  4. Don’t be shy to ask your friends, colleagues, and relatives to recommend you the best product if they have used it before.
  5. Inspect every product feature to ensure it meets all the quality requirements, including what materials it is constructed from.
  6. Consider a product that complements your tastes and preferences in design and color.
  7. Never invest in the first product you run into, regardless of its affordability. Instead, you should check out other similar products and make a comparison.
  8. Be sure to invest in a product that is easy to use, even without expertise.
  9. When checking out customer reviews of the product, read as many as you can only from independent sites.
  10. Consider things like the warranty and return policy of the product while determining its durability.

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