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10 Best Filterless Humidifier for the Money Review

Do you want to improve your quality of life? Then you need the best filterless humidifier in your home. In particular, it’s a gadget that is extremely simple to use by everyone.

Also, a humidifier is excellent for enhancing air safety in your home. Of course, there is a wide variety of humidifiers on the market today. So choosing the right one for you can be a little tricky.

Best Cool Mist Humidifier Without Filter

The 10 Best Filterless Humidifier Review 2021

Here we make it easy for you to do so because we have analyzed the top models. We have taken into account the ease of use, the water tank capacity, and each option’s quiet operation.

Therefore, in just a few steps, you can find the right humidifier for you below.

01. Everlasting Comfort (6L) Filterless Ultrasonic Design Humidifiers for Bedroom

Best Filterless Humidifier


Many people need to optimize the quality of life with different implements. That is why you can use this device that offers a 6-liter tank. At the same time, the fog output is at a high level to optimize the results.

It is even necessary to consider that the sound level produced by this device is minimal. Therefore, you will be able to use this device for up to 50 hours in continuous use and rooms of up to 500 square feet.

In other words, it is a convenient implement that can be very useful.

Essential Oils

The design of this unit includes a tray for you to include essential oils. Therefore, the cold fog that can be obtained offers a great performance. Of course, this means an important additional component to obtain a fresh, pure, and clean aroma at all times.

It is also a good option to use this implementation with babies.

High-level Functionality

As we have mentioned, this device produces a very low sound level. Therefore, you will not notice that the humidifier is working. At the same time, the automatic shutdown allows you to optimize the level of energy used.

Besides, this same operation prevents damage and failure of the unit. Therefore, you may be able to enjoy the entire life of this device.

Low-cost Maintenance

It is usually quite common for other humidifiers to need filter changes. However, this unit does not need to have expensive replacement filters for your budget. The most essential aspect here is to control the humidity level at all times.

In particular, a humidity level below 60% in the same room is recommended.


  • Easy to use the unit
  • Essential oil tray
  • Quiet functionality


  • Intermediate life 

02. Crane Drop Ultrasonic Adjustable 360 Degree Cool Mist Humidifier with 24 Hour Run Time

Best Filterless Humidifier


To enhance the family’ s quality of life, it is advisable to purchase this best filterless humidifier. Here you will notice that it is a device that offers you multiple configurations. You can obtain the desired humidity level at any time.

You will be able to improve rooms’ humidity with a size of up to 500 square feet. In the meantime, the process is tranquil and does not disturb at any time. That’s why you can enjoy a peaceful sleep or even use this implement with babies.

One-Gallon Tank

In general, this capacity is more than sufficient to obtain a high level of operation. Therefore, you will be able to load this water tank in different spaces of the home.

The compact design of this appliance fits in the sink of any bathroom or kitchen. Also, you won’t have to worry about annoying filters. From the first day, the functionality of this device will be very convenient for you.

24 hours of Use Time

Of course, another advantage of this device is the very long time of use. So here you can see that 24 hours is more than enough to obtain excellent humidification.

Besides, you can consider using this device throughout the night and calculate the automatic shut-off. Therefore, this function can take care of and avoid failures due to a lack of water.

Simple Cleaning

All appliances that are easy to wash are much more comfortable to use. In this case, the design provides removable parts for easy cleaning. Also, you will need a few minutes to implement healthy cleaning.

This is important for obtaining humidification without toxic components.


  • Excellent time of use
  • Quick and easy cleaning
  • Quiet functionality


  • Limited tank capacity 

03. Hupro Premium Ultrasonic Smart Humidification System Cool & Warm Mist Humidifier

Best Filterless Humidifier


Undoubtedly, having a humidifier that produces a low noise level can provide a high level of pleasure for many people. Here is a device that includes a 4-liter water tank.

Of course, this is an excellent amount to offer prolonged use during the whole night. In turn, you can use this device for spaces up to 500 square feet.

High-quality Operation

In particular, this model provides 30 hours of continuous use time. Besides, different operating modes are included so that you can find the most suitable one. Even the 5-speed levels can be adapted to the needs of each moment.

In other words, it is one of the devices that can best be adapted to users’ needs.

Easy Cleaning

One of the excellent aspects of these models is very easy and fast cleaning. You only need one minute to completely clean this unit. Of course, you don’t need a lot of effort due to the innovative construction.

In this sense, the design of this device is also completely leak-proof. You only need to take care of enjoying a better aroma and air in your home.

Quiet Operation

In principle, a unique filter has been incorporated here that does not need to be replaced. Also, you can incorporate aromatic oils to reduce stress and enhance your quality of sleep.

In combination with this, the operation is very quiet and a 12-hour timer is included. So, you will be able to save energy and enjoy the right amount of this humidifier.


  • Noise level less than 30 decibels
  • Quick and easy cleaning
  • A large amount of use mode


  • Large size artifact

04. Honeywell HCM350W Evaporative Technology Germ Free Cool Mist Humidifier

Best Filterless Humidifier


If you want an efficient humidifier, you don’t need a lot of money. This appliance can offer 24-hour usage time and a one-gallon tank. Moreover, this can usually be more than enough in medium-sized rooms.

Even this device can kill almost 100% of the bacteria for a great air.

High-Quality Technology

In this case, you can obtain humidification without having to change the internal filter. So, you will be able to enjoy environments with the exact level of humidity. This device has the possibility of absorbing excessive humidity.

Therefore, you only have to worry about enjoying the operation of this device.

Excellent Humidity Level

Here it is necessary to take into account that this device allows you to enjoy healthier skin and more pleasant sleep. Even the air quality in your home will be healthier for the family in any home.

So, you can get a humidity level between 40% and 60%. From the first use, your quality of life can be improved considerably.

Optimal Functionality for Everyone

Finally, it is necessary to mention that this device is very useful for adults, children, or babies. At the same time, it is one of the best implements for the home in seasons where allergies increase considerably.

If someone is sick, this best filterless humidifier can provide a better recovery. In short, it is an implement that can be excellent for the family.


  • A long time of use
  • Elimination of 99.9% of bacteria
  • Offers optimal quality of sleep


  • Improvable design

05. TaoTronics 4L Waterless Auto Shut-off Cool Mist Humidifier for Bedroom

Best Filterless Humidifier


As we continue to investigate the most recommended options we should mention this ultrasonic humidifier. A water tank of 4 liters or more than one gallon has been incorporated here.

In turn, a full tank provides between 12 and 30 hours of use. In other words, it is a device that can provide a high level of comfort and a much more pleasant environment.

High-level Operation

You will be able to fill the water tank of this device and obtain excellent results. You can also use this same unit in several rooms of the home. Among the most recommended options are the office, nursery, bedroom, and other options.

This same unit can be used for rooms between 10 and 30 square meters.

Efficient Design

In this case, you will be able to establish an optimal humidity level for each of the rooms in your home. In particular, a humidity level between 40% and 60% is recommended. The LED display provides you with the necessary data.

At the same time, the operation of this unit is very discreet and excellent for night or day.

Safe Operation

In principle, you can count on an automatic shutdown when the water in this device runs out. Also, it is important to consider that bad odors and microorganisms are eliminated efficiently.

However, it is not recommended to use essential oils in this humidifier. Certain problems such as allergies, colds, and congestion can be avoided.


  • Excellent water tank
  • Easy to read LED display
  • Safe and reliable operation


  • Not compatible with essential oils 

06. GENIANI Top Fill Maintain a Healthy Cool Mist Humidifiers for Bedroom & Essential Oil Diffuser

Best Filterless Humidifier


One of the most pleasant appliances to use in the home is this humidifier. In particular, you will have the possibility of using this implement with essential oils. So, the air will be much more comfortable and pleasant to enjoy throughout the night.

Intelligent Operation

One of the most important aspects is that this device offers a high level of performance. Here the intelligent sensor levels the amount of humidity at any time. So you can have a balanced functionality for better results.

In turn, you can choose a high, medium, or low-speed setting for hydration. So the possibilities are more than wide.

Top-fill Design

All users can enjoy simple and fast operation at all times. Here you will notice that you can insert the water from the top. Of course, this also provides a much easier and faster cleaning when you are done using this device.

You can clean this device with just a damp cloth efficiently.

Excellent Quality of Sleep

You will have the possibility to get deep and high-quality sleep. Of course, this is important to increase your quality of life and decrease stress levels. That is why this device only generates a noise level of 38 decibels.

Besides, the night light is very relaxing and great for putting kids to sleep. Finally, the automatic shutdown prevents failures due to a lack of water.


  • Intelligent operation mode
  • Compatible with essential oils
  • Automatic shutdown


  • Louder than other models

07. Vicks Filter-Free Replacement Ultrasonic Visible Cool Mist Humidifier for Medium Rooms

Best Filterless Humidifier


In general, users may prefer to opt for a simple, easy-to-use device. In this case, you will need a small amount of money to enjoy excellent humidification. A 1.2-gallon water tank is included here for the best results.

So, you will be able to get about 33 hours of very pleasant fogging and usage time.

Excellent Quality of Sleep

You will notice that this device can be perfect for everyone in the household. Whether for adults, children, or babies, everyone will be able to enjoy a good night’s sleep.

At the same time, it is an implement that is perfect for dealing with allergies and respiratory diseases. In other words, it is a device to improve your quality of life.

Versatile Device

In principle, it is a device that is convenient to use by any person in the home. You can even use this implement in every room of your home. Therefore, you can breathe better anywhere.

A built-in knob allows you to choose the precise level of humidification.

Efficient Design

Finally, it is necessary to consider that this device provides a comfortable and simple to use design. Here you will be able to recharge the water tank from the top. Therefore, it is also a device that is very quick and easy to clean.

In other words, it is one of the implements with a great relationship between cost and result.


  • Quick and easy cleaning
  • Excellent for congestion and cough
  • 1.2-gallon tank


  • Does not offer an automatic shutdown 

08. LEVOIT 4L Levoit Advanced Ultrasonic Technology Ultrasonic Cool Mist Humidifier for Large Room

Best Filterless Humidifier


Another way to enjoy pleasant environments is to use this device. Here we can start by mentioning that the design allows you to fill the water tank from the top. At the same time, it has a 3.4-inch opening so you don’t have to waste time on that.

Of course, the cleaning will be much easier and simpler.

Excellent Capacity

You can use the 4-liter water tank for more comfortable use. In turn, this excellent water capacity gives you up to 40 hours of relaxing use time. If you use the high setting, then you can count on 10 hours of use.

In other things, you don’t have to bother to fill the water tank too often.

Safe and Reliable Operation

Of course, the automatic shutdown is included here to prevent the failure of this device. So this device turns off when the water is gone. Besides, the operation produces a low sound level. So, it is a perfect choice for use during night or in the day.

Different Modes of Use

When used by different people, several modes of use are needed. That is why a dual 360-degree nozzle and 3 different modes of use are included here. Even the touch buttons and the design of the other features are of a high standard.

Therefore, this artefact is simple to use by any type of person. You can notice the effects from the first moment.


  • Compatible with essential oils
  • Low noise level
  • Three-speed settings


  • Improvable design

09. Venta LW45 Filter-free and Energy Efficient Operation Airwasher 2-in-1 Humidifier

Best Filterless Humidifier


Last but not least, this device is one of the largest on the market. So, you will be able to use this artefact for locations up to 800 square feet. At the same time, the functionality is of a high level so you will be able to enjoy more pleasant environments.

Excellent Air Quality

You will notice that by using this appliance the air quality of your home improves considerably. This way, you will be able to eliminate allergens, dust, pollen, and other elements. No matter how big the rooms are, excellent results can be obtained.

High Level of Performance

In this case, the most important thing is that it is an appliance that does not consume a lot of energy. Also, you don’t need to replace the filters on this appliance over its lifetime. That’s why it’s one of the most chosen artifacts.  

Low Noise Level

When using this device you will notice that the sound level is not disturbing. In addition, it is important to say that this device does not produce a white powder, ozone or ions. You can use this option with a large capacity of 3 gallons.

Finally, the automatic shutdown provides you with reliable and safe operation at all times.


  • Automatic shutdown
  • 3-gallon capacity
  • Ideal for large rooms


  • Device too big

10. Vicks Filter-Free High Quality Ultrasonic Visible Cool Mist Humidifier With Auto Shut-Off

Best Filterless Humidifier


Do you want to get a great home improvement device? Then, we recommend you to acquire this humidifier that provides 33 hours of operation. So, it will be more than enough time to fight congestion and cough that is very common these days.

At the same time, it is an artefact that is very convenient to use.

High-quality Design

In principle, it is useful to consider that the design of this unit is very simple. You will be able to recharge the water tank from the top. Also, the cleaning is very simple and easy to apply in a few minutes.

Besides, the included knob allows you to choose the exact level of humidification.

Efficient Device

One of the most important aspects of this unit is that the water tank offers a capacity of 1.2 gallons. Also, the function produces a very low noise level at all times. This is why it is one of the best options for all types of people in the home.

If you want to offer a better quality of sleep to your baby, this device is excellent for it.

Excellent Cost-benefit Supplement

Here it is necessary to mention that this device is excellent for fighting allergies. You can enjoy better air quality both day and night. Of course, this provides you with a better quality of sleep and a decrease in the stress of everyday life.

In other words, it is one of the best ways to optimize your quality of life.


  • 33 hours of use time
  • Optimizes quality of life
  • Quick and easy cleaning


  • Intermediate life

Buying Considerations of Best Cool Mist Humidifier Without Filter

Here it is important to analyze the essential characteristics of each model. So the following features will allow you to get the best implement for your home. Even you will be able to know more conveniently the operation of each humidifier.

Let’s see then which are the 5 most important aspects of each implementation.

Number of Configurations

You may not need the same humidification throughout the day. That is why it is advisable to have a device that provides you with an appropriate configuration. This way, your device will have the possibility to adapt to your real needs. 

Here, the most essential aspect is to avoid too high levels of humidification. In the same way, you will also want to avoid too dry air with low humidity. As the humidifier offers more settings, you can obtain the exact and healthy humidity level.

You even need to consider whether you have children and babies in your home. Adults, children, or babies do not need the same humidity level. You will be able to offer the best result in each case.

Water Tank

Another important factor is the capacity that the water tank can provide. As the water tank gets bigger, then you get a longer usage time. In general, an average size device gives you a capacity of 4 liters.

This amount may be more than enough to obtain an acceptable usage time. You can also find other water tanks with a capacity of 3 gallons. Here we are talking about the largest water tank among the units we have analyzed.

You should consider that as water capacity increases, usage time increases. Another aspect to analize is the level of humidification. If the humidification level is too high, then the usage time will decrease.

This simply happens, since the device needs a larger amount of water for a high level of humidity.

Noise Level

As with other appliances, a humidifier produces a noise when it is running. However, not all models produce the same level of noise. Of course, the more affordable and convenient options offer quiet operation.

In particular, this aspect is important if you want to enjoy your humidifier and get a good quality of sleep. Additionally, it is recommended that a humidifier should not produce a sound greater than 38 decibels.

In other words, this is the exact level if you want to enjoy a deep sleep every night. 

Operation and Room Size

Another important aspect is that an average-sized humidifier can be useful for medium-sized rooms. In this case, it is necessary to consider this aspect if you do not want to be disappointed.

A 4-liter water tank can be sufficient for a room up to 500 square feet. When you purchase a 3-gallon capacity humidifier it can be useful for larger rooms. In particular, this capacity can be efficient for rooms up to 800 square feet.

Additional Aspects

Some additional features can be very useful. Here you can find some devices that include ultraviolet technology. In particular, this technology can be very useful to eliminate bacteria and microbes up to almost 100% in the water.

In this way, you get healthier humidification. Another aspect that can be useful is the automatic shutdown. Most of the options we discuss here include this feature.

You may notice that when the water runs out, the humidifier automatically turns off. This is even an important feature to prevent damage to the unit due to a lack of water. In turn, you will be able to take advantage of the full life span of each humidifier.

Best Filterless Humidifier- FAQ’s

Q: Are filterless humidifiers better?

Answer: In particular, we can mention that filterless humidifiers are a much more recommendable and comfortable option. Of course, here you will need a larger budget to acquire these devices.

However, you will not need to change an internal filter every 2 or 3 months. Also, the internal operation is usually superior to filter humidifiers. You have the option of using these appliances during the day or at night.

The best options can also provide a much longer and more affordable life. In other words, it is an excellent investment to improve your quality of life.

Q: Can you run a humidifier even if you don’t have a filter?

Answer: If you purchase a filter-operated humidifier, misuse is not recommended. Here the filter has a certain function that needs to be considered. Every single piece of waste in the water will go into the air through the humidifier.

So, the air will not be healthier when using this appliance. In combination with this, you may notice that other wastes and minerals that may be contained in the water could damage your appliance.

In a short time, damage and failure of your humidifier could be too significant. This is why we recommend a humidifier that doesn’t need a filter to work. You can avoid changing a filter every three months.

Q: What is the healthiest humidifier?

Answer: Today several humidifiers can provide healthy results for you and your family. In particular, we can recommend those appliances that include superior performance. Some models offer ultraviolet technology.

Also, this same technology may vary in other models. Either way, the best humidifiers can eliminate nearly 100% of the microbes and bacteria found in water. Of course, this is excellent for a healthier result.

Here you will notice that the air quality is much purer and cleaner. Even this option is excellent for fighting coughs and congestion at all times of the year.

Q: How do I clean the humidifier?

Answer: To begin, you should check that this appliance is unplugged to apply safe cleaning. You should also remove all water from the water tank. You can remove the parts you need to clean.

Generally, the best humidifiers offer excellent design for easy cleaning. Here you have the possibility of using a combination of water and white vinegar in acceptable proportions.

In this way, the cleaning applied will be much more efficient and durable. You need to consider a type of cloth you will be using. By using a dirty cloth, then other waste could be left inside your humidifier. 

Q: Is a humidifier good for sleep?

Answer: As mentioned above, this device is highly recommended for getting a good night’s sleep. In this case, you should obtain a humidifier that produces a low noise level.

In turn, it is recommended to set the perfect humidity level to obtain a warm and pleasant sleep. You would have the possibility to fight the flu and viral colds efficiently. To do this, you can use a humidifier and set the air at the exact humidity level.

Users who use a humidifier mention that they can get more restful sleep and a better quality of life.

Q: How long should a humidifier filter last?

Answer: You need to maintain it properly if you have a humidifier with a filter. Generally, the life of a humidifier filter is between one month and three months. To avoid changing the filter of the humidifier, we recommend a humidifier without a filter.

The functionality is often superior in the opinion of many users.

Best Cool Mist Humidifier Without Filter

Final Words

Once you find the best filterless humidifier, you have the chance to improve your quality of life. To do so, you should consider the best features according to your priorities.

However, it’s a great investment that you can consider if you have children or babies in your home. In principle, the most important aspects will be the capacity of the water tank, the configurations, and the ease of use.

You’ll be able to improve your quality of sleep night after night. Of course, excellent quality of sleep is what will allow you to fight stress efficiently. Plus, you don’t need a big budget to accomplish that.

In a few simple steps, you can get the best cool mist humidifier without filter at the optimal cost.