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Ultrasonic Humidifier

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124

Models Considered

158

Hours of Research

3

Experts Interviewed

917

Consumer Reviews Analyzed

I t is impossible to avoid allergies, the flu, or a seasonal cold, but there are plenty of things we can do to alleviate the symptoms. As our house is our refugee in these cases, we can make sure that it is a safe environment, where the air is clean, the temperature is comfortable, and low humidity doesn’t mess up with our skin and breathing system.

One solution could be to set up a whole-house humidifier, which can provide moisture for your entire family and create an even humidity level all over your living space. Nevertheless, these units are more expensive and may not be suitable if you are looking to increase comfort in a single room. Ultrasonic humidifiers, on the other hand, cost less, are cheaper to run, and can be easily carried around the house. They are perfect for treating common breathing issues like asthma or congestion, and some of them offer aromatherapy options. Plus, they have a sleek design that will match every house.

Our research focused on finding the best models on the market, and we have analyzed over 150 before choosing only 10 as our favorites. Three experts have been interviewed for this article, and we considered their expertise when ranking the products. So, take a look at our reviews. You will find pros, cons, and an honest verdict, which, we hope, will help you decide.

10. VicTsing Essential Oil Diffuser VS-PHM004YUS-VD – Best for Aromatherapy



Specifications:


  • Mist Type: Cool
  • Room Coverage: 65-82 sq. ft.
  • Water Tank Capacity: 0.079 gallons
  • Max Run Time: 10 hours
  • Mist Output: High: 50-70 mL/h; Low: 30-50 mL/h
  • Speed Settings: 2
  • Noise Level: 23 dB
  • Rated Power: 14W
  • Filters: Filterless

  • Fill Type: Bottom
  • Auto Mode:
  • Sleep Mode:
  • Auto Shut-Off:
  • Aromatherapy Option:
  • Timer: 1H/3H/6H
  • 360-Degree Nozzle:
  • Controls: Buttons
  • Warranty: 1-year


With an elegant faux wood design, it can stand among the sleekest models we have analyzed. Its shape resembles an onion and is made of plastic with an anti-scratch layer on top that allows it to preserve its brand-new look for longer. A clean line cuts its middle where the LEDs are positioned, thus offering a variate but very discreet soothing light combination. The cold mist is released through the top nozzle which is fixed and will only direct it vertically. On the front side, you will find 2 buttons, one that will help you select one of the 7 colors and its intensity, and one that was added for speed adjustments. Depending on whether you select low or high, it will deliver either 30 mL to 50 mL of mist per hour or 50 to 70 mL.

The water recipient is rather small, with a capacity of only 300 mL (0.079 gal.) but if you utilize it in a space smaller than 82 sq ft, as it is recommended, it can last for up to 10h on the lowest speed, enough to get you through the night. Plus, you don’t need to permanently monitor it, as it is provided with an auto shut-off function that activates when the last drops of water have been consumed and powers it down. A built-in timer is available as well, and you can set it to shut down the device after 1h, 3h, or 6h. Nevertheless, what buyers appreciate the most at this model, is its capacity to diffuse essential oils into the air in an effortless way. You can just put a few drops in the water container, and it will fill the room with your favorite aroma. Nothing complicated, no aroma tray that needs to be cleaned separately. Not to mention that you can sleep peacefully through eucalyptus or mint flavors and get relief from your colds, as it generates an almost imperceptible sound that reaches a maximum of only 23 decibels.

It is filterless, so cleaning it is a breeze, and you won’t have to deal with additional costs. The tank is removable and easy to fill as it is smaller. Plus, the package includes a measuring cup that allows you to pour the exact quantity of water. Regarding costs, it is both cheap to purchase and cheap to run, as its power consumption rate is only 14 watts at the highest speed. Moreover, the 1-year warranty is great, and you will receive lifetime technical support as well.

What we like:
  • Easy to clean due to the filterless design
  • Elegant lines and discrete lighting make it a beautiful décor piece
  • Perfect for aromatherapy
  • Whisper-quiet operations
  • Low energy consumption
What we dislike:

✖ Suitable only for small rooms

✖ Small water tank needs to be refilled often, especially if high speed is selected

Verdict

It was designed for aromatherapy, but it can be used as a humidifier as well, as long as you place it in a small room like an office or a bathroom. The faux wood finish makes it very elegant and suitable for a gift that can come with a set of VicTsing essential oils. Furthermore, you can choose the color and opt for cream yellow, red-brown, or dark brown.


9. Pure Enrichment MistAire PEHUMIDIF – Best for the Money



Specifications:


  • Mist Type: Cool
  • Room Coverage: 250 sq. ft.
  • Water Tank Capacity: 0.39 gallons
  • Max Run Time: 16 hours
  • Mist Output: 150 mL/h
  • Speed Settings: 2
  • Noise Level: Whisper Quiet
  • Rated Power: 12W
  • Filters: Filterless

  • Fill Type: Bottom
  • Auto Mode:
  • Sleep Mode:
  • Auto Shut-Off:
  • Aromatherapy Option:
  • Timer:
  • 360-Degree Nozzle:
  • Controls: Button
  • Warranty: 5-year


A buyers’ favorite, it is usually picked for its excellent price and generous 5-year warranty. The sleek design plays an important part as well, as it gives the impression of cleanness through the white base and transparent water tank that allows you to monitor the water level. It comes with a generous 0.39 gallons tank that can cover a room as large as 250 sq ft for up to 16h, a great feature if you are planning on using it through the night. Although it doesn’t include a timer, which would have allowed you to customize the run time, it does feature an auto shut-off function, designed to turn off all the operations and prevent overheating in case it runs out of water. The mist output depends on the speed setting and can reach a maximum of 150 mL per hour. Plus, you can easily select speed by pressing the only button available, the on/off button. Every time you press it, the moisture output will change and you will receive either more or less of the soothing cool mist.

The manufacturer recommends not to add any essential oils in the water recipient and there’s no special tray, so it cannot be used for aromatherapy. On the other hand, as it features a low power consumption rate of only 14 watts, you can use it continuously to reduce breathing issues and create a comfortable environment for your family.

If you plan on using it in a bedroom, we guarantee you will have no problem sleeping, as it is one of the most silent in its class. It offers a blue night light, which is perfect for kids who need soothing before going to sleep. But you can turn it off if you like your room dark. Nevertheless, there’s no possibility to dim or close the blue light on the on/off button. We agree it can be disturbing, but we suggest turning the device with the light towards a wall. As the nozzle can be rotated 360 degrees, you can change its direction to receive the perfect volume of moisture without being bothered by the bright light.

What we like:
  • Easy to operate as it comes with only one button
  • Night light is optional, so you can turn it on or off, depending on your taste
  • Generous 5-year warranty and 7 days a week customer support
  • Low energy consumption
  • Sleek design
What we dislike:

✖ Cannot be used with essential oils

✖ The water tank can be difficult to clean

Verdict

It is smaller than other models, so you can place it in your bag and take it with you in your travels. It is cheap to run and can provide excellent coverage for small rooms. Moreover, it comes at a very attractive price and is covered by a 5-year warranty, offered by one of the most renowned brands in the industry, so you can rest assured that it will be honored.


8. Honeywell HUL570B – Best Cool Mist Ultrasonic Humidifier



Specifications:


  • Mist Type: Cool
  • Room Coverage: 300 sq. ft.
  • Water Tank Capacity: 1.25 gallons
  • Max Run Time: 36 hours
  • Mist Output: 130 mL/h
  • Speed Settings: Variable
  • Noise Level: Low
  • Rated Power: 20W
  • Filters: Demineralization cartridge

  • Fill Type: Top
  • Auto Mode:
  • Sleep Mode:
  • Auto Shut-Off:
  • Aromatherapy Option:
  • Timer:
  • 360-Degree Nozzle: Only 180-Degree
  • Controls: Analog Dial
  • Warranty: 2-year


It is produced by Honeywell, so we’ve expected quality and high room coverage, and this unit managed to deliver them. Provided with a durable fan and a top-notch nebulizer that vibrates at high frequency to produce ultra-fine mist, it can ensure proper humidification for rooms measuring up to 300 sq ft. The cool mist is visible and can be adjusted by rotating an analog dial until the output reaches a maximum of 133 mL/h. The water recipient is generous, with a capacity of 1.25 gallons, and can last for up to 36 hours if the humidifier is set at the lowest speed. We must agree that, compared with other models, this is an excellent run time that will allow you to do less often refills.

The mist nozzle can be rotated, although not to 360 degrees but to 180 degrees. This means that in some cases you will need to turn the humidifier to direct moisture in the desired spot, an operation that is not that difficult to execute, as it is pretty lightweight, even when filled with water. Regarding energy costs, all we can say is that you can safely run it constantly, as it only draws 20 watts, therefore it won’t overcharge your power bills. Moreover, you won’t have to deal with repair costs for up to 2 years from the date of purchase, as the manufacturer promises to provide parts and labor.

While a filterless unit is very convenient and cheaper to run, it can prove unsafe if you use it with tap water, as the mineral residues tend to spread with the mist and can be easily inhaled. Honeywell HUL570B works well without a filter, as long as you use distilled water, but if you are planning on filling it with tap water, we recommend using the optional demineralization cartridge, especially if the water is hard. Plus, you can easily fill the water tank, either by pouring water straight into the unit or by removing it and placing it in a sink. The top opening is large enough to allow filling without spills and access for periodical cleaning.

What we like:
  • Quiet operations make it a great choice for bedrooms, especially as it doesn’t feature any bright lights
  • Auto shut-off function makes it safe to use in baby rooms
  • Adjustable mist output
  • Large water tank keeps it running for large periods
  • Convenient to fill due to the large top opening
What we dislike:

✖ No timer

✖ Nozzle rotates only 180 degrees

Verdict

We loved the cool mist that visibly spreads into the air producing a soothing environment. The quantity produced is generous and will easily cover a medium bedroom or living room. Furthermore, the large water reservoir is very convenient, not only because it is easy to fill but because it can last for almost 2 days if the unit is used at the lowest speed.


7. TaoTronics TT-AH001 – Best for Allergies



Specifications:


  • Mist Type: Cool
  • Room Coverage: 322 sq. ft.
  • Water Tank Capacity:1 gallon
  • Max Run Time: 30 hours
  • Mist Output: 300±30mL/h
  • Speed Settings: 3
  • Noise Level: Less than 38 dB
  • Rated Power: 30W
  • Filters: Microporous cartridge

  • Fill Type: Bottom
  • Auto Mode:
  • Sleep Mode:
  • Auto Shut-Off:
  • Aromatherapy Option:
  • Timer:
  • 360-Degree Nozzle:
  • Controls: Buttons
  • Warranty: 1-year


A high-end option at a good price, this is the model you need if you are suffering from allergies or need to alleviate the coughs and congestion caused by seasonal colds. It features one of the highest mist outputs in its class of up to 330 mL per hour, therefore it will be able to keep the optimal humidity in spaces as large as 322 square feet. Moreover, it comes with a microporous cartridge, designed to remove not only mineral residue but bad odors and microorganisms from the water. Thus, the mist that spreads into the room will be uncontaminated and won’t cause additional breathing problems.

The 1-gal. water reservoir is large enough to go through the night and keep going as it can last for up to 30 hours if you set it at the lowest speed. Regarding noise, it will reach a maximum of 38 decibels, which is still super low, a feature that makes it suitable for bedrooms, especially as it comes with a sleep mode that can be activated by pressing the night/sleep key. It will completely turn off the blue light and dim all the other indicators, so you can enjoy your rest without external influences. A timer is available as well for run-time customization, but, by far, the best thing this model can offer is the auto mode, which is usually included for higher prices. It allows you to set the desired humidity and the humidistat will constantly monitor it and adjust mist output to keep it within optimal parameters. Moreover, you will be able to monitor it yourself, as it will be displayed on the LED along with the activated functions.

The only option this model lacks is aromatherapy. No tray is available and you shouldn’t put essential oils inside the tank as this will void the 1-year warranty. On the other hand, we must admit that it is very practical, with a reservoir that is easy to remove and comes with a handle for easy transportation to the sink. It is energy-effective as well, with a maximum power consumption rate of 30 watts. Moreover, it is safe to use as it was CE, ROSH, and FCC certified and features an auto shut-off function that won’t allow it to overheat when the water has been consumed.

What we like:
  • Excellent mist output
  • Easy to clean and refill due to large tank opening
  • Auto mode allows for easy relative humidity control
  • Timer
  • Sleep mode reduces lights to a minimum, creating the optimal conditions for sleep
What we dislike:

✖ No aromatherapy option

Verdict

It only releases safe mist into the air, as the water is first filtered for microorganisms, odors, and minerals, so it is an excellent choice for allergy sufferers. The high mist output quickly solves the dry air problem and creates a soothing atmosphere. Moreover, everything is very easy to set and monitor as it comes with user-friendly button controls and a large LED screen.


6. Crane Adorables EE-3191 – Best for Baby Room



Specifications:


  • Mist Type: Cool
  • Room Coverage: 500 sq. ft.
  • Water Tank Capacity: 1 gallon
  • Max Run Time: 24 hours
  • Mist Output: 250 mL/h
  • Speed Settings: Variable
  • Noise Level: Whisper Quiet
  • Rated Power: 45W
  • Filters: Filterless/ Optional Demineralization Filter

  • Fill Type: Bottom
  • Auto Mode:
  • Sleep Mode:
  • Auto Shut-Off:
  • Aromatherapy Option:
  • Timer:
  • 360-Degree Nozzle:
  • Controls: Analog Dial
  • Warranty: 1-year


With a fun animal design, this option will provide great humidification for any medium to large baby room, measuring up to 500 sq ft. The mist output is impressive, reaching 250 mL per hour and the water reservoir was built to match this performance, with a capacity of 1 gallon of water that can last for a maximum of 24 hours. As babies breathe exclusively through their little noses for the first 4 to 6 months of life, it is important to maintain humidity within optimal parameters and this model offers easy knob-adjustable mist output that will relieve congestion and enhance breathing. Plus, as it only delivers cool mist, it doesn’t include any heat source that may be dangerous in a kid’s room. Not to mention that it will instantly shut down when the reservoir is empty.

The night light is very dim and won’t produce any discomfort, while the sound doesn’t overcome whisper-quiet level, so it can run through the night and ensure excellent humidification without disturbing your little one’s precious sleep. The 360-degree nozzle allows you to direct the mist output towards the driest areas of the room for better coverage. Plus, it features a filterless design, therefore it is easy to clean and cheap to run, but if you live in an area with hard water, you can purchase one to demineralize the water.

The unit is built of anti-microbial material that prevents the growth of up to 99.96% of the bacteria. Thus, it is not only super resistant but safe to use and easier to clean. Built of three parts, it decomposes into the mist lid – the frog’s head, the reservoir – the frog’s body, and the base – the frog’s feet. The water tank features a handle for easy manipulation and a fill opening at the bottom, which, we must admit, is rather narrow. Thus, although you get excellent access to the base, you may struggle a bit to thoroughly clean the reservoir’s interior.

What we like:
  • Versatile, it allows you to choose among a multitude of colors and animal shapes
  • Large water reservoir can last through the night
  • Can cover medium to large rooms
  • Dim night light and whisper-quiet noise level make it suitable for baby rooms
  • Low 45 watts energy consumption rate
What we dislike:

✖ Water reservoir is difficult to clean but it is made of anti-microbial material that prevents the growth of bacteria

✖ No timer

Verdict

It has a high-quality construction so it will accompany your kid for many years to come. While other humidifiers become unusable due to faulty design that doesn’t allow for proper cleaning, this model’s anti-microbial components prevent bacteria from taking over the water reservoir. Thus, it will remain safe to use even after years of continuous utilization.


5. Sunpentown SPT SU-4010 – Best for Hard Water



Specifications:


  • Mist Type: Warm & Cool
  • Room Coverage: 500 sq. ft.
  • Water Tank Capacity: 1 gallon
  • Max Run Time: 10 hours on high/ 24 hours on low
  • Mist Output: Warm: 400 mL/h; Cool: 330 mL/h
  • Speed Settings: Variable
  • Noise Level: Low
  • Rated Power: Warm: 80W; Cool: 30W
  • Filters: ION exchange filter

  • Fill Type: Bottom
  • Auto Mode:
  • Sleep Mode:
  • Auto Shut-Off:
  • Aromatherapy Option:
  • Timer:
  • 360-Degree Nozzle:
  • Controls: Analog Dial
  • Warranty: 1-year


If you live in an area with hard water, you have probably noticed the effect produced by mineral residues on your appliances. The humidifier is no exception, therefore you should look for one with great filtering capabilities like this model from Sunpentown, which features an ion exchange filter, specially designed to capture magnesium and calcium residues and prevent them from spreading into the air. These minerals can also deposit on the internal components of the device and reduce its performance and lifespan, so you should replace the filter periodically to avoid this situation.

Regarding its design, it isn’t the sleekest on the market. In fact, it looks more like a medical device, but it compensates through performance and convenience. First of all, it produces two types of mist, warm and cool, therefore it is more versatile than most models that come at this price, which usually offer a single mist type. Secondly, the water tank is very generous as it can hold 1 gallon of water, enough to provide excellent humidification for up to 24h in a large room measuring 500 square feet. It is equipped with 2 nozzles that rotate 360 degrees, so you can direct the mist in 2 different parts of the room, and, thus, efficiently cover a larger surface. Last but not least, we should mention that 2 analog dials are available for easy speed adjustment and mist type selection.

The mist output is highly generous, reaching 400 mL/h for warm mist and up to 300 mL/h for cool mist. Plus, we found it to be silent and soothing at night as the lights are dim and can be faced towards a wall due to the adjustable nozzles. Plus, the power consumption rate is decent for a unit that can release warm mist, with a maximum of 80 watts. If you select cool mist, you can considerably reduce costs, as, in this case, it will only consume 30 watts. And with a 1-year warranty, you can consider yourself covered against eventual manufacturing flows or mishaps.

What we like:
  • Offers 2 mist options
  • Two rotating nozzles divide the mist output evenly into the room
  • Large water reservoir provides excellent run time
  • Strong water filter keeps minerals from polluting the air
  • Quiet operations make it suitable for bedrooms
What we dislike:

✖ No timer

✖ No aromatherapy option

Verdict

You won’t find any fancy functions in this unit, but when it comes to performance, it is unbeatable. A large reservoir, two adjustable nozzles, and a strong nebulizer that can deliver both warm and cool mist make it popular among buyers. Moreover, the ion exchange filter is nothing but a wonderful addition that will solve hard water problems and provide safe humidification.


4. Crane EE-5301 – Best for Large Rooms



Specifications:


  • Mist Type: Cool
  • Room Coverage: 500 sq. ft.
  • Water Tank Capacity: 1 gallon
  • Max Run Time: 24 hours
  • Mist Output: 250 mL/h
  • Speed Settings: Variable
  • Noise Level: Whisper Quiet
  • Rated Power: 45W
  • Filters: Filterless/ Optional Demineralization Filter

  • Fill Type: Bottom
  • Auto Mode:
  • Sleep Mode:
  • Auto Shut-Off:
  • Aromatherapy Option:
  • Timer:
  • 360-Degree Nozzle:
  • Controls: Analog Dial
  • Warranty: 1-year


If there’s something Crane knows best is to produce reliable humidifiers at very good prices, and this model is the proof. Although it is compact, it can cover large rooms, measuring up to 500 square feet, with an excellent mist output rate of 250 mL per hour. The reservoir is removable and offers a bottom opening for easy fill. It can hold one full gallon of water, which is enough to keep the moisture coming for up to 24 hours. Even if you decide to set it on the highest speed, you won’t need to wake up during the night to do a refill, and you can rest assured that the auto shut-off won’t kick in until morning.

Customers appreciate its clean design and anti-microbial construction that makes it a long-term investment. The special material prevents bacteria growth, which, when it comes to other models, is almost impossible to control and makes them unusable after a few months. Although it was designed to run without a filter, you can choose to add one, especially if you live in an area where the water is particularly hard. Thus, you will prevent mineral deposits as well and keep the beautiful blue transparent water reservoir crystal clear.

It is a practical device that doesn’t offer smart functions. You won’t find a LED screen, a humidistat, or digital controls. Instead, it offers an analog dial and this is enough for you to power it on and off and set the desired mist level. Nevertheless, we must admit that a timer would have made it better, and an aromatherapy option, divine. The whisper-quiet run compensates though for its lack of functions, and the 45 watts power consumption rate is low enough not to overcharge your bills, even if you run it continuously. Furthermore, you can rotate the mist nozzle in any direction you wish and thus provide customized humidification, keeping moisture away from your pets, furniture, or upholstery.

What we like:
  • High mist output makes it suitable for large rooms
  • Easy to fill and maneuver due to the compact design
  • Anti-bacterial material makes it easy to clean and maintain
  • Low energy consumption
  • Clean design
What we dislike:

✖ Lacks an aromatherapy option

Verdict

This is a wonderful deal if you are looking to provide humidification for a large room but not willing to spend extra on premium functions. The water level is easy to monitor through the transparent water tank, which is easy to remove as well for easy refilling. Moreover, it is well-built and comes with a 1-year warranty, so you can rest assured that it will serve you well for a very long time.


3. Everlasting Comfort Humidifiers for Bedroom 6L – Editor’s Choice



Specifications:


  • Mist Type: Cool
  • Room Coverage: 500 sq. ft.
  • Water Tank Capacity: 1.6 gallons
  • Max Run Time: 50 hours
  • Mist Output: 270 mL/h
  • Speed Settings: Variable
  • Noise Level: Whisper Quiet
  • Rated Power: 22W
  • Filters: Filterless

  • Fill Type: Bottom
  • Auto Mode:
  • Sleep Mode:
  • Auto Shut-Off:
  • Aromatherapy Option:
  • Timer:
  • 360-Degree Nozzle:
  • Controls: Analog Dial
  • Warranty: 2-year



Here comes our favorite choice, which impressed us through its elegant design, safety features, and excellent coverage capabilities, all offered at an attractive price that makes it a very popular pick among buyers as well. The high-quality nebulizer produces a very fine mist, while the strong but quiet fan works continuously to spread it in large rooms measuring up to 500 square feet. The mist output rate of 270 mL per hour turns it into a very competitive unit, especially when combined with the extra-large 1.6 gallons water tank. It can last for up to 6 full nights or 50 hours, so it is probably the most convenient humidifier you could find at this price. Moreover, as it offers a 360-degree nozzle, you can direct the mist output wherever you like in the room and, thus, protect your furniture and upholstery.

It is rated for only 22 watts, a feature that makes it perfect for continuous run. In this case, we can overlook the lack of a timer, especially as it does offer an aromatherapy tray. You pay for one device, but you get both a humidifier and an essential oil dispenser that will fill your house with amazing scents and provide relief during seasonal colds. The mist output can be adjusted by simply turning a knob placed on the front side. Moreover, as night lights often prove to be more of a nag than a source of soothing as they are advertised, especially if you cannot turn them off during the night, it is a good thing that it doesn’t feature one. Therefore, the only thing you may find disturbing is a small led, but, once again, you have the option of facing it towards the wall during the night. On the other hand, the sound is almost imperceptible, so you can rest assured that it won’t interfere with your sleep.

In terms of safety, we should mention the ETL certification, which is a reliable guarantee that it is safe to use and won’t overheat once the water in the reservoir is over. In this case, the auto shut-off function will kick in and power it off. Another excellent feature is the filterless design that allows for easy cleaning and cuts maintenance costs. In case of hard water, though, it may be difficult to keep the mineral residue from spreading into the air, so you will need to search for a solution. On the other hand, we should mention that it comes with a generous 2-year warranty, and the manufacturer promises to replace the unit if it arrives with manufacturing flaws.

What we like:
  • Large room coverage and excellent mist output
  • Aromatherapy tray
  • Filterless design
  • Perfect for bedrooms, as it is super quiet
  • Great 2-year warranty
What we dislike:

✖ The large water container can be difficult to fill in a sink

Verdict

Most customers who have tried it agree that it produces a very fine mist that spreads into the air without wetting the furniture and upholstery. They love the aromatherapy tray and ultra-quiet operations. We might add that it is well-priced and highly performant in large rooms with a low energy consumption rate that makes it a perfect pick if you are trying to reduce energy costs.


2. Hupro Premium Ultrasonic Cool & Warm Mist 4L – Best for Bedrooms



Specifications:


  • Mist Type: Warm & Cool
  • Room Coverage: 500 sq. ft.
  • Water Tank Capacity: 1 gallon
  • Max Run Time: 30 hours
  • Mist Output: 133 mL/h
  • Speed Settings: 5
  • Noise Level: Less than 30 dB
  • Rated Power: Warm: 110W; Cool: 30W
  • Filters: Air ionization/Lamp/Ceramic filter

  • Fill Type: Top
  • Auto Mode:
  • Sleep Mode:
  • Auto Shut-Off:
  • Aromatherapy Option:
  • Timer: 12H
  • 360-Degree Nozzle:
  • Controls: Digital
  • Warranty: 1-year + lifetime support


It can be difficult to find a unit that can provide optimal humidification for a large bedroom without producing a lot of noise. Most options either are quiet only at the lowest speed level and incapable to maintain their performance through the night or were designed for tight spaces. Nonetheless, few seem to reach this model’s efficiency, which is not only capable to cover rooms measuring up to 500 square feet, while keeping the noise under 30 dB, even when it is running at its maximum capacity. It is highly customizable, as it features a high-end digital panel, with 5 speed settings and 2 mist type capabilities. Besides that, it includes an accurate humidistat and can be set on auto mode, which means that it can independently determine relative humidity and adjust the fan to reach your desired value.

The premium features continue with a sleep mode that turns off or dims all of the lights and sounds with a simple press of a button. It comes with a tiny but sleek remote control that includes all the functions provided by the control panel. Thus, you can set the timer, directly from the comfort of your couch. You can select mist type – warm or cool – according to your preferences or activate one of the 5 fan speeds. The power consumption rate ranges between 30 watts on cold mist and 110 watts on warm mist, which are decent values, especially when you consider what it has to offer. Furthermore, you will benefit from superior water filtration, as it offers 3 purifying barriers, namely a ceramic filter, an ionizer, and a lamp, each of them having a specific role in cleaning the water. Thus, you won’t have to deal with bacteria, mineral residues, or unpleasant odors.

The mist output rate is 133 mL per hour, which we must admit isn’t the highest, but most customers were pleased by its performance, especially by the large-capacity 1-gallon reservoir that can last for up to 30 hours. Another excellent feature that everyone appreciates is the aroma tray that allows the use of essential oils without voiding the 1-year warranty. Plus, in terms of maintenance, there’s nothing to criticize, as it features a wide top opening that offers excellent access for cleaning and makes it easy to refill.

What we like:
  • Sleek design
  • Water tank is easy to fill and clean
  • Generous room coverage
  • Advanced water filtering
  • Sleep mode and whisper-quiet operations make it suitable for bedrooms and baby rooms
  • Aroma tray
What we dislike:

✖ Large footprint

Verdict

The stainless-steel exterior makes it a sleek addition to every room, while the beautiful digital panel with an LED screen that displays the relative humidity brings an air of contemporaneity. It is smart and powerful, but quiet at the same time, exactly how the best humidifier should be. Not to mention that it is extremely safe, as it comes with a prompt auto shut-off function.


1. LEVOIT LV600HH – Best Overall



Specifications:


  • Mist Type: Warm & Cool
  • Room Coverage: 753 sq. ft.
  • Water Tank Capacity:1.5 gallons
  • Max Run Time: 36 hours
  • Mist Output: 500 mL/h
  • Speed Settings: 3
  • Noise Level: Less than 36 dB
  • Rated Power: 280W
  • Filters: Filterless

  • Fill Type: Bottom
  • Auto Mode:
  • Sleep Mode:
  • Auto Shut-Off:
  • Aromatherapy Option:
  • Timer: 1-12H
  • 360-Degree Nozzle:
  • Controls: Digital
  • Warranty: 2-year


There’s more than looks at this Levoit model, but we must admit that its elegant design caught our eye. A crystal-clear reservoir filled with water and placed on a sleek white structure that integrates a beautiful blue-lighted digital panel cannot be overlooked. Although it is large, everybody will love it on their nightstand, especially as it is super-quiet as well, with a maximum noise level of only 36 decibels. Furthermore, it offers incredible versatility, with 2 mist options and multiple settings that can be easily controlled from distance.

High Humidification Rate

No matter if you use it during the winter to relieve cold symptoms with the soothing warm mist or during the summer, when low humidity causes the skin to dry and only a good dose of cool mist can bring the optimal freshness, it will perform its best. Buyers pick it for its ability to create a comfortable atmosphere, which is easy to obtain due to the following features:

  • Large area coverage – it is recommended for rooms measuring up to 753 square feet where it can deliver an outstanding mist output of 500 mL per hour
  • Extra-large water reservoir – can hold up to 1.5 gallons of water
  • Excellent run time – at the lowest speed it can go on for up to 36 hours

It offers an aromatherapy tray where you can place essential oils and fill the room with incredible aromas of eucalyptus, mint, lavender, and many others, it all depends on your taste. Thus, it keeps the oils far from the water recipient and the internal mechanism, as they can affect its performance and reduce its lifespan. Not to mention that the water tank is easier to clean this way, although the large bottom opening surely helps a lot.

Digital Control Panel

As we have already mentioned, this is a smart unit that can do more than release mist into the air. Everything can be controlled and adjusted, starting with fan speed that can variate between low, medium, and high. Nevertheless, the smart functions are the ones for which you pay the extra price, so let’s take a look at what it can do:

  • Auto mode – works with a digital humidistat that collects humidity data in the room and displays it on the LED monitor. Thus, the unit knows when it’s time to adjust the fan, so it can reach the value you have set
  • Sleep mode – although it lacks a dedicated button, it can be set by keeping the auto button pressed until the lights turn off
  • Timer – can be set to shut down the operations after 1 to 12 hours
  • Remote control – incorporates all the settings and allows for easy control from the distance

The 360 degrees nozzle allows you to direct the mist output towards the corners that need more humidification. Additionally, for safety purposes, it has been provided with an auto shut-off function that activates when the water tank is empty. The power consumption rate is rather high at 280 watts, but you need to consider that this value is reached only at the highest speed, and the unit should run continuously for the energy costs to increase considerably.

Easy Maintenance

The water tank is easy to remove and place under running water for filling. The opening is large and allows for periodical cleaning and maintenance. Plus, it doesn’t require a filter that would have required extra care and changing every few months. The warranty is great as well, with 2 years being offered for repairs. Not to mention that it is produced by a very reliable brand that offers excellent customer support and is known to stand behind its promises.

What we like:
  • Elegant design
  • Suitable for large rooms
  • Multiple smart functions
  • Easy to clean and fill due to the large bottom opening
  • Auto mode sets fan speed according to humidistat readouts
  • Sleek LED screen and remote control
What we dislike:

✖ Not suitable for hard water

Verdict

We recommend it for large rooms, where it can work its magic and fill the air with soothing mist and aromas. Its digital panel and remote make it easy to control, while the smart functions allow it to run independently for days. Furthermore, as it is quiet and comes with a sleep mode, you can use it in a bedroom or baby room as it won’t intrude at all.


Top 10 Comparison

Photo Products Price
LEVOIT LV600HH Image
Best Overall
1. LEVOIT LV600HH
  • Mist Type: Warm & Cool
  • Room Coverage: 753 sq. ft.
  • Water Tank Capacity:1.5 gallons
  • Max Run Time: 36 hours
  • Mist Output: 500 mL/h
  • Speed Settings: 3
  • Noise Level: Less than 36 dB
Hupro Premium Ultrasonic Cool & Warm Mist 4L Image
Best for Bedrooms
2. Hupro Premium Ultrasonic Cool & Warm Mist 4L
  • Mist Type: Warm & Cool
  • Room Coverage: 500 sq. ft.
  • Water Tank Capacity: 1 gallon
  • Max Run Time: 30 hours
  • Mist Output: 133 mL/h
  • Speed Settings: 5
  • Noise Level: Less than 30 dB
Everlasting Comfort Humidifiers for Bedroom 6L Image
Editor’s Choice
3. Everlasting Comfort Humidifiers for Bedroom 6L
  • Mist Type: Cool
  • Room Coverage: 500 sq. ft.
  • Water Tank Capacity: 1.6 gallons
  • Max Run Time: 50 hours
  • Mist Output: 270 mL/h
  • Speed Settings: Variable
  • Noise Level: Whisper Quiet
Crane EE-5301 Image
Best for Large Rooms
4. Crane EE-5301
  • Mist Type: Cool
  • Room Coverage: 500 sq. ft.
  • Water Tank Capacity: 1 gallon
  • Max Run Time: 24 hours
  • Mist Output: 250 mL/h
  • Speed Settings: Variable
  • Noise Level: Whisper Quiet
Sunpentown SPT SU-4010 Image
Best for Hard Water
5. Sunpentown SPT SU-4010
  • Mist Type: Warm & Cool
  • Room Coverage: 500 sq. ft.
  • Water Tank Capacity: 1 gallon
  • Max Run Time: 10 hours on high/ 24 hours on low
  • Mist Output: Warm: 400 mL/h; Cool: 330 mL/h
  • Speed Settings: Variable
  • Noise Level: Low
Crane Adorables EE-3191 Image
Best for Baby Room
6. Crane Adorables EE-3191
  • Mist Type: Cool
  • Room Coverage: 500 sq. ft.
  • Water Tank Capacity: 1 gallon
  • Max Run Time: 24 hours
  • Mist Output: 250 mL/h
  • Speed Settings: Variable
  • Noise Level: Whisper Quiet
TaoTronics TT-AH001 Image
Best for Allergies
7. TaoTronics TT-AH001
  • Mist Type: Cool
  • Room Coverage: 322 sq. ft.
  • Water Tank Capacity:1 gallon
  • Max Run Time: 30 hours
  • Mist Output: 300±30mL/h
  • Speed Settings: 3
  • Noise Level: Less than 38 dB
Honeywell HUL570B Image
Best Cool Mist Ultrasonic Humidifier
8. Honeywell HUL570B
  • Mist Type: Cool
  • Room Coverage: 300 sq. ft.
  • Water Tank Capacity: 1.25 gallons
  • Max Run Time: 36 hours
  • Mist Output: 130 mL/h
  • Speed Settings: Variable
  • Noise Level: Low
Pure Enrichment MistAire PEHUMIDIF Image
Best for the Money
9. Pure Enrichment MistAire PEHUMIDIF
  • Mist Type: Cool
  • Room Coverage: 250 sq. ft.
  • Water Tank Capacity: 0.39 gallons
  • Max Run Time: 16 hours
  • Mist Output: 150 mL/h
  • Speed Settings: 2
  • Noise Level: Whisper Quiet
VicTsing Essential Oil Diffuser VS-PHM004YUS-VD Image
Best for Aromatherapy
10. VicTsing Essential Oil Diffuser VS-PHM004YUS-VD
  • Mist Type: Cool
  • Room Coverage: 65-82 sq. ft.
  • Water Tank Capacity: 0.079 gallons
  • Max Run Time: 10 hours
  • Mist Output: High: 50-70ml/h; Low: 30-50ml/h
  • Speed Settings: 2
  • Noise Level: 23 dB

Conclusion

Our purpose was to find the best humidifiers on the market and, in this direction, we have used realistic criteria and set high standards for the models we have considered. For example, none of them lacks an auto shut-off function and none of them is louder than 40 decibels.

Now that you have had the chance to take a good look at all of them, you have probably figured out what you need for your home. But a second glance at some of our selected products can only provide you with more information and the certitude that you are making the right decision.

Best Ultrasonic Humidifier on the Market: LEVOIT LV600HH

It has the largest coverage area in our top and can provide a generous mist output, which is fine enough to disperse into the air instead of settling on furniture, but still visible and pleasant to feel. The 1.5-gallon water reservoir is large enough to last through several nights, while the sleep mode can easily create the perfect conditions for sleep. Apart from that, it is convenient to use, as it comes with a remote control that allows you to set everything from the distance.

Editor’s choice: Everlasting Comfort Humidifiers for Bedroom 6L

It is energy-efficient and suitable for use in medium-to-large rooms. With a 1.6 gallons water tank, it can compete even with the most expensive models, as few can offer up to 50 hours of continuous run. Besides that, although it doesn’t come with fancy function or an LED screen, it is easy to clean and offers an aroma tray that can be used with mint or eucalyptus essential oils during the winter to relieve cold symptoms.

Best Ultrasonic Humidifier for Large Rooms: Crane EE-5301

It is the best option for closed spaces that measure up to 500 square feet, not only because it features an incredible 250 mL per hour mist output but because it is made of highly-durable materials that can last through years of utilization. The water tank is generous and can last for a whole day and night. Moreover, although it is filter-free and therefore easy to clean, the manufacturer offers the possibility of adding one if you are dealing with mineral deposits caused by hard water.

Best Ultrasonic Humidifier for Bedrooms: Hupro Premium Ultrasonic Cool & Warm Mist 4L

It has a stylish design, with a beautifully-crafted stainless steel housing and bright-lighted control panel. Nevertheless, most buyers pick it for its ability to cover large bedrooms while producing a very low sound, almost like a whisper. It offers 3 filtering layers that form a thick barrier against minerals, microorganisms, and odors, therefore it can be used in a baby’s room without a problem. Additionally, it offers an aroma tray, which is separated by the water reservoir and thus will prologue the mechanism’s lifespan.

Best Ultrasonic Humidifier for Baby Room: CraneAdorables EE-3191

It is shaped like a funny frog, but you can choose other shapes as well, including a bee, a caw, an owl, or a monkey. The whisper-quiet fan makes it suitable for baby rooms, where the very dim night light can provide soothing without interfering with your little one’s dreams. Furthermore, as it is made of anti-microbial materials, it is easy to maintain clean and won’t turn into a source of bacteria over the years.

Trystan Jensen
Trystan Jensen
Trystan is a trusted reviewer who has extensive experience in customer satisfaction gained while he worked as a market research analyst. He is well aware of what consumers want, as well as what they expect the most from the acquisitions they make. It is his personal interest in technologies that help improve life quality combined with his attentiveness to detail and customer experience that make Trystan an unending source of qualitative content.