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The Quietest Humidifier for a Bedroom in 2022

Why the quietest Humidifier for bedroom: You would agree with me that having known the numerous benefits of humidifiers and how they can make life better and more comfortable especially in dry seasons, one might take the next logical step in going ahead to purchase one.

Now let’s consider this, when a humidifier is intended to be used in places like the whole house i.e., best whole house humidifiers, it is easy to neglect the level of noise that it produces, but not in cases where it would spend most of it stay in a bedroom. At this point, how quiet it is, becomes of utmost importance, as a quiet home humidifier for bedroom is the most suitable.

Bedrooms are the respite area around the home, being where everyone falls back to in order to find peace and rest; therefore, they should be really conducive for vital human actions like relaxation and sleep. For this reason, fixing humidity in such areas would require the best Humidifier with no noise for bedrooms, making sure the comfort of the room is not maximized at the expense of more noise being released into the ear.

Whisper quiet humidifiers for bedrooms are mostly of an ultrasonic make or type, as the technology used in breaking down water into fine mist ensures little or no sound or noise is released in the process. These humidifiers are also apt in adding moisture to the air, therefore effectively raising the humidity to a healthy level, and preventing infections associated with dry air along siding making breathing easier.

Also Read: Best Humidifier for sleep Apnea

Type of humidifiers that makes noise

Trying to avoid that type of humidifiers that makes a great deal of noise? Then you should stay away from anything that rings evaporative.

The evaporative type is generally the loudest of portable humidifiers since they make use of internal fans in generating airflow.

The noise produced isn’t so loud per se, in fact, they are classified as white noises which can be handled by some people, and it’s a no go by others. Compared to the ultrasonic type, the evaporative is said to be loud.

In conclusion, When comparing evaporative vs ultrasonic humidifiers, one would preferably go for ultrasonic when noise factors matters.

Also Read: Best Humidifier for snoring

Top 5 quietest Humidifier for bedroom in 2022

1) OPOLAR Quietest Filter-Free Digital Humidifier for Baby and Bedroom

Special features: digital display, sleep mode, cool design, night mode, item weight; 4.35 pounds.

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This is a pretty eye-catching item, with a cool all-black design, backed alongside several qualities that make the unit one of the best as per quiet bedroom humidifiers today. It is really small and portable with a handle for easy lifting, while the front side accommodates a digital display screen, as well as soft-touch buttons for easy operation and information display.

The unit is built with a programmable humidistat that works in hand with the digital screen in measuring and displaying exact humidity levels at every moment while allowing you also to select a preset moisture level for it to work with.

Therefore the device adjusts it performance to maintain the preferred humidity level of the user. With a timer feature also, that allows one to choose between 1 to 9 hours or working time, the unit affords the user further flexibility in setting a work duration.

It has a really high mist output rate, of up to 300mL/h, which is enough to serve the moisture needs of most bedrooms today, while a 360 degree rotatable mist output, sweetens its performance by helping you change the mist directions, though it dual too (two mist outputs on the nozzle).

With a water tank of just about 3 liters, the unit isn’t able to afford much runtime, only lasting somewhere between 12 to 26 hours, which is a drawback for some. A sleep mode has been specially built-in for night times, when the unit goes super ultra-quiet to eliminated interference, while still performing at an acceptable level.

While operating, as the water level in the tank starts to run low, an indicator pops up on the digital display in order to signal the user about its current status, and in a case where no action is carried out, the machines shut off to avoid overheating and potential damage to itself.

The device also turns off automatically when the water tank is abruptly removed while in operation, as an extra safety mechanism. It is easy to use, and refill when the tank runs dry, due to the presence of an opening at the top of the tank, though cleaning might be more tedious due to the small opening diameter. It is able to serve rooms of up to 500sqft and doesn’t make use of filters, hence reducing running costs.


  • quiet operation,
  • filter-free,
  • programmable humidistat and timer,
  • high mist release rate,
  • auto shutoff,
  • low water level indicator,
  • 360-degree rotatable nozzle,
  • Highly mobile,
  • easy to fill,
  • suitable for large-sized rooms.


  • small water tank,
  • lack of auto mode.

2) OPOLAR Cool Mist Digital Ultrasonic Humidifier for Baby and Bedroom

Special features: digital display, sleep mode, translucent water tank, item weight; 4.85 pounds.

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This is another accessible unit on our list in the product, known for its fancy design and looks; this unit does not disappoint. It is designed with a perfectly symmetrical shape, and a translucent water tank to fit in behind.

The front side contains the digital display system, with lights all around for easy view and operation at night, while adding to the overall beauty of this device. It would certainly add a touch of decoration to wherever it is placed in the home.

The translucent water tank allows the user to easily monitor the water level by sight, while containing around it, a handle for carrying, hence easy mobility around the home.

It is also filter-free, therefore saving further expenses incurred when using a regular humidifier that requires frequent filter changes. With the presence of an auto mode as the major catch in this product, it is able to operate exclusively from the users input, efficiently regulating and maintaining the humidity level in the atmosphere on a healthy level.

Quietness during operation is optimized in this unit, as it is able to work without constituting a nuisance or any sorts of a disturbance at all. It shares a similar mist output release level per day, of up to 300mL/H on the highest settings, though it can’t quite as much serve the same capacity of the room, basically falling into the large room capacity humidifier.

Automatic shutoff kicks in when the water level in the tank gets too low, though it doesn’t have an indicator on the digital display, due to the water tank already being translucent.

With a sleep mode like the product before it, this unit is able to turn off all its display light, while functioning at nights in order to help you sleep better, and comes with a water capacity of only 4 liters, which isn’t exactly befitting of its numerous excellent features. It is able to afford a runtime of 12 to 24 hours though, depending on the settings and atmospheric conditions.


  • Timer and programmable humidistat,
  • very quiet operation,
  • auto mode,
  • filter-free,
  • auto shutoff,
  • mobility,
  • high mist release rate,
  • suitable for large-sized rooms.


  • small water tank.

3) Everlasting Comfort Ultrasonic Cool Mist Humidifier (6L)

Special features: aromatherapy, night light, large tank capacity

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An everlasting comfort humidifier is a small-sized unit with a relatively small footprint that wouldn’t take much space around the home. Its design divides the unit into two unequal halves, wherein the more significant portion being the water tank, while the rest of the control and humidifying process sits down below.

The water tank is detachable from the unit, and allows for easy filling due to the ample inlet space at the top, while the unit also possesses a 360 degrees rotatable output nozzle for precise direction of mist by the user.

Unfortunately, the build of this product doesn’t come with a digital display like the first two famous types, instead, it makes use of a control knob for one primary function, which is in varying the mist output levels.

It does an excellent job in the amount of released per day though, being able to push out as much as 270mL/H, and can serve rooms or large sizes up to 400sqft with a runtime spanning as long as a whopping 50hours.

This long runtime is possible because of another remarkable property of the unit, in its large volume of the water tank. Its tank can hold an impressive quantity of about 6 liters of water. At the backside of the unit, exists a small aromatherapy pad, enabling the device to make use of essential oils, hence allowing the user to add a touch of fragrance to the mist released into the atmosphere. This is another strong point of the device.

Overall it would do an excellent job in your home in case you w=decide to go for this product, though it doesn’t quite match the other two reviewed so far.

Cleaning the unit is relatively easy, as well as refilling and controls. It doesn’t come with the timer or auto feature though it possesses the auto-shutoff, and it has a strict no hard water usage policy, as it could lead to white dust being released alongside the mists.


  • high mist release rate,
  • auto shutoff,
  • compatible with essential oils,
  • quiet operation,
  • long runtime,
  • filterless,
  • 360 degrees rotating nozzle,
  • easy to clean.


  • lack of auto mode,
  • two years replacement guarantee,
  • white dust problems,
  • lack of a timer.

4) Crane Humidifier, Ultrasonic Cool Mist Humidifiers

Special features: Teardrop design, product dimensions; 8.6 x 13.4 x 8.6 inches, item weight; 4.5 pounds

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Putting once again their trademark design in the teardrop shape, this crane humidifier is lovely to behold, and adding a touch of beauty as well as its expected humidity functions to your home.

The unit comes with a completely transparent water tank, sitting on the humidifying system and control panel, and this helps for easy monitoring of water levels, and hence refill times. At the tip of the teardrop, is mist outlet, being also a 360-degree rotatable type, for directional purposes.

The device is of really lightweight, and therefore mobility is not an issue at all, as it is easy to be moved to wherever it is needed in the home, hindering ant micro bacterial growth by controlling humidity levels.

It is able to serve vast rooms of up to 500sqft, affording an excellent relieve and easy breathing while being built to operate without a filter adds to its economic value as it reduces operational costs.

With a water tank of just a gallon, this unit cannot afford a long runtime, which is a letdown in its design, being only able to go for a maximum of 24 hours on the lowest settings, though it is really energy-efficient, consuming less power than a regular household light bulb. It possesses the auto shut off function that turns of the device as soon as the water in the tank runs dry.

The unit is an average buy-in all, and its easy refill and cleaning afford the user lesser stress during usage in the home. it is also tranquil during operation, like a proper ultrasonic humidifier, releasing fine mist that would suit your needs although it lacks any sorts of automated feature or the sleep mode.


  • 360-degree rotatable nozzle,
  • suitable for large-sized rooms,
  • no filter required,
  • auto shutoff,
  • quiet operation,


  • small water tank,
  • white dust problems,
  • no auto mode,
  • no timer.

5) TaoTronics Humidifiers for Bedroom

Special features: Nano-coated circuit board, item weight; 3.04 pounds,

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The unit is built with a peculiar Nano coated circuit design as the catch, affording it a longer life span than most rooms sized humidifiers. It comes with simple looks on the outside, being a really small-sized, and possessing, therefore, smaller footprint that ensures it doesn’t take up much space on the tabletop or where ever it is placed.

It has a built-in water tank capacity of about 4 liters, hence affording it a pretty impressive runtime somewhere between 12 and 50 hours before a refill is needed, depending on the setting and atmospheric conditions.

With a mist output of somewhere between 60 and 300 mL/H once again depending on the users preferences, it is able to serve really large rooms of up to 430sqft, which is pretty impressive and being an ultrasonic type, it is really quiet while operating, hence would perfectly serve your needs even at night.

The auto-shutoff protective system has been built-in, to help shut down the unit as soon as the water level gets low, while the mist outlet nozzle is also powered by a 360 degrees rotational capacity. With a wide opening at the top side of the water tank, it is very much easy to refill the rank as soon as water runs out, and also regular maintenance, as the 92mm opening is able to fit in the hands of a fully grown human.

It doesn’t come with any of the automated features though, like the timer or auto mode, or even a digital display screen, making the device almost entirely analog, and functions through the use of an analog knob for selecting a desired mist output rate.


  • long runtime,
  • quiet operation,
  • easy to clean,
  • auto shutoff,
  • reasonably sized water tank,
  • easy to clean and refill,
  • suitable for large-sized rooms,
  • 360-degree rotatable nozzle.


  • lack of auto mode,
  • lack of timer feature.

Factors to consider when choosing the quietest Humidifiers for bedroom

  • Noise output level:

Actually the most crucial factor to consider when choosing a humidifier for your bedroom, the unit should ultra-quiet, barely releasing any noise during operation in order to maximize your comfort both at day and in the night.

  • Room size capacity:

It is essential that a humidifier can serve the bedroom it is intended for to a large capacity, for this reason, all the products on our list are able to cover large-sized rooms, effectively removing moisture to a comfortable extent.

  • Moisture output rate:

For a humidifier to efficiently cover your large room, it should be able to push out a good deal of moisture into the environment per day. A good rating should be picked depending on your room size, which for large-sized rooms should a minimum of 270 mL/H.

  • Automated functions:

Units having automatic features are always a joy to have, effectively making the user experience a worthwhile, while helping the machine perform to maximum efficiency and limiting energy consumption and remaining safe to use. Some of these features include auto-shutoff, timer, and digital humidistat.

  • Night light and sleep mode:

For those who can cope with and enjoy a dim, cool light lit up in the room at night during your sleep time, units with night light option would actually be a good buy by you, but we would recommend it rather be optional (being able to be turned on and off).

Units with sleep modes also afford the user an option of that further silences units operation, while turning off display lights including that of the digital display. It is handy for heavy sleepers, as it provides maximum comfort at night.

Humidifier making noise: causes and what to do

The primary reason of a quiet humidifier product suddenly becoming noisy, is mostly attributed to a fan motor or drive mechanism which is in dire need of lubrication or is clogged with debris after a long period of usage.

This happens mostly as a result of poor maintenance and can be corrected by lubricating wonky motors, while properly cleaning the unit overall.

Be careful to read the manufacturers statement though, as some actions you embark on might void the products warranty.

Final Verdict: Whisper Quiet Ultrasonic Humidifiers for bedroom

In order to obtain maximum comfort and quietness at the same time in your bedroom, we recommend you purchase the OPOLAR Quietest Filter-Free Digital Humidifier, as it is our best bet due to the amount of mist it is able to release per day while being capable of serving up to 500sqft. It makes for its small water tank in the presence of several automated features to make your experience more comfortable.

You can also aim for something similar in the OPOLAR Cool Mist Digital Ultrasonic Humidifier, as it is going to do just fine in your bedroom.

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