The Best Ultrasonic Humidifier – Reviews and Top Picks

The Best Ultrasonic Humidifier – Reviews and Top Picks

Finding the best ultrasonic humidifier may be easier than you think. You have heard all the stories, read the different reviews. Now you think it is time for you to get a humidifier. There are a lot of different types of humidifiers on sale in the stores and you are not sure which one is right for you.

We understand your confusion, but your search may still be easier than you think. We have taken the time to do the research for you. We have done the hard work so you will not waste your money when you make your purchase.

We think that the Pure Enrichment ultrasonic cool mist humidifier is the best of the lot. You need to keep reading to find out why that is so. We review the top five ultrasonic humidifiers and give you all the information you need to know. Your selection just got a lot simpler and easier.

Why Buy An Ultrasonic Humidifier

There are many kinds of humidifiers on the market today. They range from warm mist to cool mist, portable to whole house. The selection is not always an easy one. But the ultrasonic version of humidifiers does have benefits that make them stand out over the rest. These benefits are:

  • They are quiet - technology has upgraded the ultrasonic humidifier motor to the point you do not hear it.
  • The save on energy - the ultrasonic humidifier does not heat the water. This means it uses less electricity than warm mist humidifiers.
  • No white dust - while the ultrasonic humidifier purifies the air, it traps white dust inside, so it does not get out and contaminate the room.

In the long run, the ultrasonic humidifier is a healthier choice over the other models.

Our Ultrasonic Cool Mist Humidifier Review Quick Comparison Chart



Water Capacity

Room Capacity

Hours Of Operation

Editor's Rating


1.5 liters

250 sq. ft.

Up to 25 hours


1 gal.

200 sq. ft. +/-

Up to 45 hours


1 gal.

Up to 400 sq. ft.

Up to 70 hours


1 gal.

500 sq. ft.

Up to 24 hours


3 liters

250+ sq. ft.

Up to 48 hours

Our Ultrasonic Humidifier Reviews

Pure Enrichment Ultrasonic Humidifier Review

If you want the best, not only do you go with the one that fits your budget, you go with the one that has the features. This unit has the features which make it stand out above the rest. Its 1.5-liter reservoir allows this humidifier to operate for up to 25 hours.

The 360-degree rotating mist nozzle ensures that you get complete and even coverage throughout the room. Plus, the auto shutoff protects the unit when you forget to refill the reservoir. Then the one-button control makes it easier to operate. The sleep feature is an added bonus.

Other features include two-speed control, night light and up to 4 oz. of mist sprayed into the air per hour. There is a lot of power packed into this machine.

You won’t lose any sleep with this humidifier in the room. Its motor is designed to put out only 32 dbs. of noise. Also, the accessories are a fine touch. You get an AC power adapter, disk cleaning brush, along with a 5-year warranty. That puts this unit above the rest. Especially when that warranty is backed by 7 day a week customer service.

Things We Liked
  • 5-year warranty
  • 360-degree rotation
  • Sleep mode
Things We Didn't Like
  • Not good for large rooms
  • May not operate for 25 hours

Homedics Ultrasonic Humidifier Review

Convenience is the watchword for this modern society. If something is not easy to work with then it loses favor very quickly. This unit sports a very conveniently located water tank that is easy to refill.

What makes this ultrasonic humidifier competitive is its mist control ad its anti-microbial technology. A good ultrasonic humidifier will fight bacteria and germs wherever they may be found.

Other features include a night light on-off switch, auto-shutoff, a demineralization cartridge. Also, its 1-gallon tank allows for almost 2 days of continuous operation. One of its drawbacks is its mist spray nozzle. The innovative design does not rotate 360-degrees.

This is why it did not get the top spot in this competition for the best ultrasonic humidifier. Cleaning this unit is easy. Just use a 50-50 vinegar/water mixture into the water tank and run for 10 minutes. Ne good thing about this unit is that it does not require daily cleaning.

You can watch TV or read without being disturbed by the nose of the motor. Ultrasonic technology has your comfort in mind when it developed the motor.

Things We Liked
  • Easy to clean
  • Innovative design
  • Operating hours
Things We Didn't Like
  • Some warranty issues
  • Some quality control issues

Pureguardian Ultrasonic Humidifier Review

What makes the best ultrasonic humidifier stand out is its unique features. All units have the same basic features, but the best go to the next level. What stands out on this unit is the Silver Clean protection that is part of the tank. It hinders the growth of mildew and mold in the tank. This means you are not required to clean the unit very often.

Other good features that come with this unit are the 1-gallon water reservoir, low water indicator light, variable speeds and night light. The usual very quiet motor.

The operating time depends upon the setting you choose, the size of room and atmospheric conditions. The multiple settings are a plus as you can choose between low, medium and high mist speeds. Its 5-foot cord allows you to reposition the unit without unplugging it.

The up to 70 hours of continuous operation protects against the static that fills the air in a dry room. As well as dry skin and other low humidity problems (asthma, allergies..).

For best results, you should place it in a medium to smaller sized room. Its 3-year limited warranty is competitive but not good enough to push this ultrasonic humidifier into the winner’s circle.

Things We Liked
  • 3 speeds
  • Up to 70 hours of continuous operation
  • Water reservoir capacity
Things We Didn't Like
  • White powder issues
  • Some difficulty in cleaning

Crane Drop Ultrasonic Humidifier Review

Filters can be a time-consuming chore when it comes time to clean a humidifier. This unit uses no filters, so your cleaning time just became easier. Along with this convenience, this unit runs quietly for up to 24 hours, (depending on settings), with its 1-gallon water reservoir.

You do not have to worry about cleaning it very often. The manufacturer has added anti-microbial material to its product. This construction hinders the growth of mold, mildew and bacteria up to 99.96%.

You get multiple mist settings on the on/off knob. This enables you to control the humidity level in the room. Its innovative design is not only stylish, but it will fit into any room décor. It also has a 360-degree rotating mist nozzle. This allows you the luxury of placing it in any part of the room that you want.

The usual auto-shutoff is included in this unit. Another positive feature is this unit is BPA free. You will not be bringing any harmful contaminants to your family when you use this humidifier.

Like the other units, this ultrasonic humidifier has a very quiet motor. You will not lose any sleep with this unit in the room.

Things We Liked
  • Innovative design
  • Variable mist control
  • BPA free
Things We Didn't Like
  • Cannot use essential oils
  • Can’t turn light off

Geniani Ultrasonic Humidifier Review

This ultrasonic humidifier does not have the largest tank available, but it still works for a long time. You can get up to 24-48 hours of continuous operating action. Of course, this all depends upon room size and setting.

The independent night light button allows you to turn the light off when you do not need it. Plus, its power knob provides you with multiple mist setting. You get to control the power of the mist spraying into your room.

The usual auto-shutoff switch is included as well as the 360-degree mist nozzle rotation. The creative nozzle design gives you maximum protection and mist spray. You can work at home with no interference from this unit. Its ultrasonic technology keeps the motor noise very low.

The 2-year warranty provides for risk-free purchase and is backed by 24-hour, 7-day a week customer service. No need to frequently clean this unit, once a week should do it. All you need to do is refill it once a day.

The one drawback is that there is no mention of the unit being BPA free or including anti-microbial technology in its construction.

Things We Liked
  • Multiple mist settings
  • 24/7 customer service
  • Fewer cleaning times
Things We Didn't Like
  • Nozzle design
  • A very bright indicator light

How Does An Ultrasonic Humidifier Work

The technology is fairly simple. A small metal plate vibrates at ultrasonic levels. This vibration then turns water drops into vapor. The vapor then is discharged into the room. There are no fans needed so the motor noise is reduced dramatically.

Best Ultrasonic Humidifier

The Advantage Of An Ultrasonic Humidifier

Every humidifier has their own advantages and disadvantages. Here are the advantages of the ultrasonic humidifier.

  • It is quieter
  • No fans or heating elements to break down
  • Uses less electricity than other types of humidifiers
  • No filters needed
  • Less maintenance
  • Easier to operate

How To Purchase An Ultrasonic Humidifier

This is also a simple task if you follow the right guidelines. Here are some good guidelines to follow.

  • Cost - make sure the price is right
  • Features - does the unit offer everything you need
  • Noise level - is the motor quiet or not
  • Warranty - check the length and limitations first
  • Maintenance - what upkeep is required (filters, cleaning, etc.)
  • Your preference - cool or warm mist, portable or whole house, etc.
  • Operating time - how long will the continuous action operate
  • Water reservoir - is it big enough for your needs
Ultrasonic Humidifier Reviews

We Have Chosen a Winner

If you read the first section, you would have seen that we chose the Pure Enrichment ultrasonic cool mist humidifier as the winner of the best ultrasonic humidifier contest. Overall it is just the better unit of all the top models available.

It may not have as long continuous operating feature as the other units but that doesn’t matter. Continuous operating time is a depends function. Not all those units make it to their top operating time.

You may not agree with our selection, but then ultrasonic humidifier reviews are subjective and a matter of personal preference. You may like some of the other units presented in this ultrasonic humidifier review and that is fine. They are good humidifiers as well.

Some Final Words

If you read our ultrasonic cool mist humidifier reviews, then your decision to purchase an ultrasonic humidifier should be easier. You have all the facts presented here. Plus, if you need more information you can always click on the provided links to read about them yourself.

Picking the best ultrasonic humidifier is an important decision, because your family’s health is important. These units all work against dry skin, chapped lips. They also moisten nasal passages and help with sinus issues. They all purify the air, so your family can breathe easier during cold and allergy seasons.

Purchasing the best ultrasonic humidifier may be one of the best decisions you ever made. To find the best all you need to do is look for those unique features that set them apart from all the rest.

We hope that our ultrasonic humidifier reviews have been a great help in your decision making. Let us know in our comment section below.

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