Best Humidifiers For Home in 2021 – Choose From Our Top Picks

For many of us, having a humidifier in the house is a necessity that we can’t live without. Whether you live in a dry area and are prone to allergies or if you need a humidifier for other health reasons, these machines can be practically indispensable.

Because of the of having a machine like that in your home, you want to make sure that you are getting the most for your money. But how can you be sure that you’re getting the best humidifier out there? With so many different models and features to choose from you can you ensure that you’re getting one that will fit your needs?

Fortunately for you, we have compiled a list of the humidifiers that you can buy so that you can make an informed decision. We will also show you what to look for so you know that the one you do purchase will be the humidifier of your dreams.

Best Humidifier in 2021 – Comparison


Product Name


Run Time (Up to)

Further Info

Venta Airwasher 2-in-1 Humidifier & Air Purifier Cool Mist 24 Hours Read Review
Warm & Cool Mist Humidifier Warm and Cool Mist 24 Hours Read Review
Honeywell HCM350W Germ-Free Cool Mist Cool Mist 24 Hours Read Review
Vicks Warm Mist Humidifier Warm Mist 12 Hours Read Review
SPT SU-9210 Digital Evaporative Humidifier Cool & Warm Mist 10 Hours Read Review

How To Choose – Best Humidifier

Although the process for humidifying a room is rather straightforward, the fact is that there are many different factors that you have to look at before you make a final decision.

While each person has different needs, here are the four things you should consider when looking for the best model for your home.


Before you can pick out a humidifier, you first need to know the space in which you will be putting it. By that, we mean the size of the room and the level of humidity that is already present. If you’re looking for a machine for your, then it will be different than one that will go into your living room. Thus, you have to find a humidifier that will take care of your space sufficiently.

Most models will say how many feet they can cover, such as 200 or 400 square feet of room. Thus, be sure to get a device that meets or exceeds your room size. The other thing to think about for size is how long it will last. A larger tank will invariably last longer than a smaller one because there is more water to draw from over time.

However, the bigger models can be too bulky for some rooms, so you want to measure the space you will be placing the humidifier to ensure that you don’t get one too big or too small.


When looking at different models, you will see some that produce a steady stream of humidity and others that have variable adjustments. Overall, we highly recommend a unit that allows you to customize the output so that you can make the room exactly as humid as you need it to be.

Also, we suggest buying one that has a timer, so you aren’t wasting energy and water by humidifying a room that has no one in it.

Light and Noise

More often than not you will get a humidifier that acts as a night. We’re not sure why so many of these devices have built-in lights, but that should factor into your decision.

If you don’t want an extra light, then be sure that your model has the option to turn it off or doesn’t include one altogether. Also, some higher-end units will enable you to change the light as you see fit by allowing you to modify the brightness and the color.

Another aspect of humidifiers is that they make noise. How much sound is produced will depend on the type of humidifier it is (we’ll discuss that later), but you should make sure that you get one that is whisper quiet, especially if you sleep with one in your room. If possible, turn the unit on before you buy so you know what you’re getting into first.

Model Type

As far as humidifiers go, there are several ways to add water to the air. First is to use a fan to blow air particles into the air, second is to use ultrasonic waves, and the last method is to heat the water, so it evaporates. Each model has pros and cons, as listed below.

  • Fan Operated: this model is usually cheaper and easier to use. However, it could use up the water a lot faster, and it will generate more noise from the fan.
  • Ultrasonic: these humidifiers are great because they can control the output much easier than other models and they are quiet as a mouse. The downside is that they are usually more expensive and can break down quicker.
  • Heat: these units are the quietest as they generate almost no noise. The downside, however, is that it’s harder to control the output level and you will usually go through more water in a shorter period. Also, the heating elements could make the whole thing hot which can be a safety hazard.

Recommended Best Humidifier

1. Venta Airwasher 2-in-1 Humidifier & Air Purifier

Venta Airwasher 2-in-1 Humidifier & Air Purifier

Next, we have a machine that is called an Airwasher. If you’ve never heard of that kind of appliance before, it’s because the name is proprietary to the brand Venta.

However, you can figure out what it means to have an Airwasher in your home unless you have no imagination whatsoever.

Purifies and Humidifies Air

Like the other models on this list, the Venta Airwasher cleans your air as well as humidifies it. However, unlike the other machines we’ve seen thus far, this unit doesn’t need a replacement filter.

Other air purifiers require you to change the filters every so often to ensure that mold and residue don’t collect too much. With this machine, however, you can run it as long as you want without ever having to replace anything.

Large Capacity Tank

The other thing that we like about this humidifier is that it has a two-gallon tank. While that does make it bulkier than other models, that does mean that you can have this machine running for up to twenty-four hours without having to refill the tank. We prefer longevity over size, and this is one of the longest lasting humidifiers you can get.

Three Room Sizes Available

Not only does the Venta Airwasher run for a long time without stopping, but you can get it in three different sizes to match whatever room you like. This unit comes in 200, 400, and 800 square foot models meaning that you could theoretically get one for every room in your house.

Long Lasting Warranty

One way to tell if a company stands behind its product is to see how long it offers a warranty or money back guarantee. While most humidifiers will be guaranteed for a few months or up to a year, the Venta Airwasher comes with an incredible ten-year warranty on parts and labor. That means that you know the company is proud of its product and knows that it will work for a long time.

Highlighted Features

  • Large two-gallon tank
  • Purifies the air as it humidifies
  • No filters needed
  • No white dust produced
  • Automatic shutoff when water is empty
  • Three different sizes
  • For rooms measuring 200, 400, or 800 feet
  • Comes with ten-year warranty


  • Large capacity tank
  • Easy to use
  • Cleans and humidifies
  • No white dust
  • Long-lasting operation
  • Works for multiple room sizes
  • Low maintenance
  • Long-term warranty


  • It may take longer to fully humidify a room than other models
  • Some components are flimsier than others
  • Higher price than other similar models

Final Verdict

If air purification is a top priority for you, then we highly recommend the Venta Airwasher because it cleans your air and doesn’t require new filters every time. Also, the long lasting operation and the ten-year warranty are solid benefits in our book.

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2. Warm & Cool Mist Humidifier

Warm & Cool Mist Humidifier

When you see most humidifiers in operation, you will notice that the air that comes out is rather cool.

The reason for this is that the water cools the air molecules, so you get wet air that feels brisk. However, what happens if you want your room to get warmer?

In the wintertime, having a cold humidifier can be hazardous to your health. That’s where this model comes in. See what this unit can do for you.

Warm and Cool Mist Modes

The best thing about this humidifier is that it gives you the option to have the air come out cold or warm, depending on your needs. Thus, in the summer when you want to stay cool you can use this machine to your benefit.

Conversely, when the weather gets colder, you can warm things up without having to get a whole different model. Overall, this is a remarkable feature, and we wish that more humidifiers came with it.

Hi-Tech Display Screen

While the SPT above had a slick LCD screen, it has nothing on the Warm & Cool Humidifier. This unit has one of the sleekest displays you can find, and it’s helped by the fact that you get so many options with regards to how you like your air.

You get three levels of humidity, preset options to customize it to your preference, a control lock, so no one else will mess with it, and even a timer. On top of all of that, you get a night mode which means that the machine won’t have a bright light and it will be quieter. Talk about versatility.

Built-In Water Filter

As with the other units on this list, the Warm & Cool Humidifier not only moistens your air but it cleans it too. That means that you don’t have to worry about germs and mold getting into your lungs.

If you use a humidifier when you’re sick, then this will help you out immensely. Not only because of the purification but because you can make it spit out warm air.

Highlighted Features

  • Six-liter capacity tank
  • Lasts for up to 24 hours
  • Warm and cool mist settings
  • Adjust time and output levels
  • LED screen controls
  • Filter cleans the air as it humidifies
  • Sleek design and color
  • Automatic shutoff when tank is empty


  • High-capacity tank
  • Long lasting operation
  • Easy to use
  • Cleans the air
  • Warm or cool output
  • Hi-tech operation
  • Minimalist design
  • Automatic shutoff


  • Some components are flimsier than others
  • In rare cases, the unit may overheat
  • In rare instances, the device might leak

Final Verdict

When comparing this unit to the other ones on this list, we have to say that this is one of the best. The fact that you have more control over the output than other models means that it is miles ahead of most everything else. Also, the sleek design and high-tech functionality makes it a prime contender.

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3. Honeywell HCM350W Germ-Free Cool Mist

Honeywell HCM350W Germ-Free Cool Mist

Our first stop is the Honeywell HCM350W. As far as humidifier brands go, Honeywell is one of the best, and we have had nothing but great experiences with these products.

Let’s take a look and see what the Cool Mist Humidifier has to offer you and your family.

QuietCare Performance

Although this is a fan operated model, it comes with proprietary QuietCare technology which means that it is much softer than most other humidifiers. If you sleep with this machine on all night, you won’t even know it’s there as you drift off to dreamland. Having a quiet humidifier is a must for fussy children or light sleepers. In fact, this model is 25% quieter than other similar units.

Three Speed Settings

Do you like to have a room that is lightly humid or do you like it more on the swampy side? No matter what your preference, the Cool Mist gives you precise results by allowing you to set it to one of three different speeds. That way you can customize your settings and get the room exactly how you want it. Best of all, if your needs change you can switch things up with a push of a button.

Wicking Filter

What makes the Cool Mist so great as a humidifier is that it not only adds moisture to the air but it purifies it as well. A wicking filter cleans dirt and germs from the air and will kill up to 99.9% of bacteria and mold that would otherwise go into your lungs. If you or a family member has asthma or a hard time breathing, this humidifier can help in more ways than one.

Long Lasting Operation

Another feature that we like about the Cool Mist Humidifier is that it will last a long time. Because it has a two-gallon tank, you can turn it on and leave it alone for up to twenty-four hours before you have to refill the unit. Obviously, that time will fluctuate depending on the mist level you choose, but no matter what you will get hours of humidification without interruption.

Highlighted Features

  • Large-capacity tank holds two gallons
  • QuietCare technology included
  • Cleans the air as it humidifies
  • Removes up to 99% of mold and germs
  • Lasts up to twenty-four hours
  • Dishwasher safe components
  • Self-regulating system
  • Three-year limited warranty


  • Easy to use
  • Quiet operation
  • Long lasting
  • Two distinct color options
  • Cleans the air
  • Easy to clean
  • Self regulating


  • Check regularly for mold within the machine as it sucks it from the air
  • Filter can get full and moldy sooner than other models
  • Cleaning the fan is a hassle

Final Verdict

Overall, the Honeywell Cool Mist Humidifier sets the standard for machines that can bring moisture into the air as well as clean it. We like the high-capacity tank and the fact that it scrubs the air for you so you can breathe easier.

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4. Vicks Warm Mist Humidifier

Vicks Warm Mist Humidifier

Our last model comes to us from Vicks, proud makers of medicines like VapoRub to help you breathe better when you’re sick.

So, it makes sense that this company would try its hand at humidifiers, and this  Vicks Warm Mist Humidifier machine does not disappoint.

Works with Vicks Products

Because this model is from Vicks, you already know that you can use it in tandem with Vicks’ products, such as VapoPads. Thus, you can get additional benefits for when you are sick by utilizing medicine and a humidifier to cut your recovery time down substantially. Best of all, you can use the machine without Vicks pads, so it works both ways.

Large One-Gallon Capacity

Although the tank size is not the same as some of the other ones we’ve seen, the longevity is still about the same. Depending on which setting you use you can have this machine on for up to twenty-four hours before having to refill it. One gallon of water is plenty to get your room up to speed in no time.

The other thing we like about the tank is that it is clear, meaning that you know exactly when to refill it. Also, it makes cleaning a breeze as you can see when deposits start to form and can tackle them immediately before they get out of control.

Dual Comfort Settings

While you don’t get quite as many options as you do with other humidifiers that we’ve seen, the Vicks model does give you two levels of humidification so you can make the room exactly as moist as you want it to be. Overall, it’s either high or low, but that should still be enough to get it to your desired setting.

Highlighted Features

  • Large one-gallon tank
  • Runs for up to twenty-four hours
  • See-through tank
  • See when it needs refilling
  • Automatic shutoff when empty
  • Works with Vicks products
  • VapoPads and VapoSteam
  • Easy carry handle
  • Whisper-quiet operation
  • Dual comfort settings
  • Dishwasher safe components
  • Cleans the air as it humidifies


  • Large capacity tank
  • Easy to use
  • Works with Vicks products
  • Medicinal use as well as regular humidification
  • Customizable settings
  • Long lasting operation
  • Low maintenance
  • Automatic shutoff
  • Quiet operation
  • Easy to carry


  • In rare cases, the unit will shut off when the tank is full
  • May take longer to humidify a room than other models
  • Cleaning can be a hassle for some components

Final Verdict

If you are a big fan of Vicks products or use them often, then this is by far the best humidifier you can get. However, if you don’t know that you will use Vicks VapoPads for any reason, then this is a pretty generic model as far as these things go. That’s not to say that it’s bad, but just that it doesn’t add anything revolutionary to the art of humidifying.

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5. SPT SU-9210 Digital Evaporative Humidifier

SPT SU-9210 Digital Evaporative Humidifier

This next model is rather unique in the way that it operates, making it one of the most efficient humidifiers out there.

The SPT Digital Evaporative Humidifier is another high-quality brand, even if you’ve never heard of it before. With this model, technology and performance blend in a sublime way.

Evaporative Operation

Unlike some of the other humidifiers on this list, the SPT model uses evaporation as a means to circulate the air, rather than ultrasonic vibrations or a fan.

The way it works is that it draws in dry air and spits out wet so that you get the best results in a faster time. The efficiency of this model is top notch meaning that you will be impressed by how well it works.

Customizable Humidity Settings

Because the evaporative circulation works so well, you can customize the humidity level to within one percentage point. That means that you can get precise results which is incredible considering that most humidifiers don’t have that level of accuracy.

The range that this machine provides is between 35-85%, meaning that you can make the room exactly as humid as you want it.

Filter Cleans the Air

Another reason to get the SPT Humidifier is that it cleans the air as well as moisturizes it. If you are worried about mold spores or bacteria getting into your lungs, you can rest assured with this machine. Filters trap all kinds of dirt and germs making the air much cleaner and breathable than you can imagine.

LCD Control Panel

As we said, this particular unit is all about high-tech solutions to your problems. To that end, the SPT Humidifier comes with a sleek LCD control panel so you can check your settings and adjust the humidity levels with ease. The menu navigation is super simple, meaning that you don’t have to be an expert to get precise readings on your humidity.

Highlighted Features

  • Large one-gallon tank
  • Evaporative circulation
  • Draws dry air in and humidifies
  • LCD control panel
  • Customize humidity levels
  • Between 35-85%
  • Timer operation
  • Filter traps dust and dirt


  • Large-capacity tank
  • Easy to use
  • Circulates and humidifies
  • Cleans the air
  • Customizable settings
  • Hi-tech screen
  • Timed operation


  • Plastic housing may feel a little flimsy
  • In rare cases, the unit may leak
  • Output is lower than some other models

Final Verdict

If you’re all about efficiency and cleanliness, then we highly recommend getting this humidifier. This machine has better results overall because you can get precise readings and measurements, thus ensuring that your air is exactly the way you want it every time. Plus, this unit scrubs your air clean and lasts for hours on end, making it one of the best models on this list.

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Final Verdict

When narrowing down these machines to pick out a top unit, we have to say that our favorite all around model is the Venta Airwasher because it has the most important features of all.

However, we do also like the SPT model because it gives you precise settings and is highly efficient overall. No matter what, though, each of these humidifiers is guaranteed to satisfy your needs, whatever they may be.

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