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Best Filterless Humidifier for Large Rooms

With the continuous advancement in technology, the inventors keep making new devices that would ease our lives. An instance is a humidifier that uses no filters as it moisturizes the home. This is a review of the best filterless humidifier for large rooms

Although the average humidifier gives you several features health-wise, they are still tricky to employ. If you wish for your air to remain clean and to prevent your humidifier from being your predator, then you should clean and maintain it regularly. This is due to the filter which when contaminated can endanger your air and health eventually. 

This is the reason why people for several years now steer clear of the use of humidifiers because they end up replacing the filters regularly. These filters cost quite some amount of money and with frequent replacement, you will spend quite a ton. 

Nevertheless, best filterless humidifier eases you that frequent expenses and stress so that you can use it happily. The launch of this kind of humidifier has eventually brought people back on the hunt for humidifiers especially those with filterless feature.

That is why we have compiled a list of the five best humidifiers in the market which requires no filters for its functionality or usage. You can hence, make your choice and get one you feel suitable for yourself.

Why A Filter Is Unnecessary For Your Humidifier 

Several persons desire the peace of mind you get when you use a filtered humidifier. You will immediately feel the security in your air but in reality, you do not require a filter for your humidifier. A warm mist humidifier applies heat to the atmosphere to eliminate the bacteria just before it humidifies the room so there is nothing left to filter.

For the cool mist humidifier, you could lessen the mineral deposits in tap water with a filter, then again, it’s needless. To prevent the white dust residues, you can still use distilled or filtered water and as well add demineralization essences by tablets or drops.

Once you use clean water, you should not bother about a filter. You will also be sure to note that these modern humidifiers are built with treated plastic material hence they are protected from bacteria. Aside from these, there are other advantages of using the filterless humidifier.

Benefits Of The Filterless Humidifier

Less noise: Most filterless humidifiers are fitted with no fans thereby running on a noiseless mechanism but the regular ones have fans and are quite noisy.

Less expenditure: Since these humidifiers do not come with a filter, you do not have to spend more funds on buying or replacing the filters. 

The Health factor: Your family’s health will experience will improve with these filterless humidifiers as they are made from antibacterial materials. Hence, they prevent bacteria from growing or surviving in your home as they make your air moisturized. This, in turn, will freshen and make your skin glow.

Buying Guide: Best Filterless Humidifier for Large Rooms

Before you purchase a filterless humidifier for your home or whatever space you want it to handle, you should ensure you check out some specific features. These features should majorly comprise of your needs instead of wants so that you don’t get bored with your humidifier later. They are:

Humidistat: A humidistat is a device that measures the air humidity and gives you a current report so you should ensure you get one with this feature. It can also steadily humidify the air till it achieves your desired humidity and when attained, it shuts the device off automatically. When the humidity drops again, it comes on automatically and the cycle continues. A great feature indeed.

Easy To Clean: You should greatly consider this feature so that you do not stress out yourself cleaning your device. This will come with a spacious tank, larger corners and without a filter.

Easy To Use: No humidifier beats a stress-free one. You do not need to do much calculation or thinking. A button press and you got something done. This feature is one of a kind and you shouldn’t fail to consider it.

Timer: This feature is not relevant but if you want a timer in your humidifier, you can welcome it. It lets your humidifier come on at a time you have set. This is not good as it lets your water stay stagnant instead of drying up when the humidifier has exhausted it. In turn, this will cause mold growth and breed bacteria.

Aromatherapy: If you fancy including menthols or oils in your humidifier, then you can find a filterless humidifier that makes room available for this. Though it can improve the scent of your atmosphere, it could also spoil your unit and revoke your warranty. 

Large Tank: When your humidifier has a large tank, it can run for longer hours and will not require constant refills. It also lets you clean it easily and is perfect as long as you can lift the tank and place it in the device.

Nightlight: The nightlight is an additional feature you can include. The light could serve as a light for you at night and as well disturb your sleep so some people opt for it and some do not.

5 Best Filterless Humidifier for Large Rooms

Having gotten your features and functionalities you want in your dream filterless humidifier, we have drawn up a list of the best five filterless humidifiers you can pick from. These are:

#1. Everlasting Comfort Ultrasonic Humidifier

Everlasting Comfort Humidifiers

This humidifier model is large and of course, can handle a large space. It is ideal if you want to humidify your whole house and despite its size, it is relatively affordable.

The Everlasting Comfort Ultrasonic Humidifier is fitted with a 1.6-gallon tank that lets it run for 50 hours without a refill. Eventually, when you exhaust the water, you can easily refill and maintain it. Cleaning it won’t be a problem as long as you have some special brushes for the tank. 

It runs on a noiseless mechanism and is perfect for your room. You could also enjoy the option of the nightlight and add special oils if you so desire. Most of all, the filterless advantage makes it easily maintainable and stress-free.

#2.  Levoit LV600HH 

LEVOIT Humidifiers for Large Room Bedroom

The Levoit LV600HH Ultrasonic is one of the best filterless humidifier for large rooms in the market just as its brand name. The reputation of the brand is outstanding and so are their devices.

This particular model is one brilliant unit that features a humidity sensor, various levels of cool and warm mist, remote control and an interactive panel which lets you easily adjust it. 

Running on large six-liter tank capacity, it has a runtime of 3 full days and can serve a space size of 753 square feet area. It sports a noiseless mechanism and has no leakages of any kind. You also have the option to add essential oils to the aroma box if you are a fan of aromatherapy.

The display fitted on the device is relatively bright and has no adjustments which make it unsuitable for bedtime. Nevertheless, the transparency of the tank shows you the water level at all times and is very durable. Hence, with the Levoit LV600HH Ultrasonic, you are sure of your air and will have stress-free humidification.

#3. AnyPro Ultrasonic Cool Mist Humidifier 

GX·Diffuser Ultrasonic Cool Mist Air Humidifier

Designed in the USA and sporting a sizeable 3.5-liter water tank and run-time of 3 complete days, the Anypro Ultrasonic Cool Mist Humidifier stands to be one of the best voted filterless humidifiers in the market. It sports a 360-degree rotating mist spray and can comfortably serve medium or large-sized rooms.

It is durably built and has leak-resistance so you shouldn’t be scared of any breakages. It runs on a noiseless mechanism and automatically shuts down when the water has eventually been exhausted. 

Just like other filterless humidifiers, it is made with an anti-bacterial material and has a cleaning brush that you can easily clean it with. However, this model has no option to use essential oils so you shouldn’t bother getting one for it.

#4. Vicks filter-free Ultrasonic Cool Mist Humidifier

Vicks Filter-Free 1.2 Gallon Cool Mist Humidifier

The Vicks name is well known for menthols and aromatherapy so you shouldn’t be surprised when you find their humidifier giving you that option. The company has other models but this filterless model is fitted with a 1.2-gallon tank which will let the device run for 30 hours if set to the lowest functionality.  

Though it does not provide the aroma box for your essential oils, it lets you use the Vicks pads which you stick on it. The vapor it produces is surprisingly enough to serve even medium-sized rooms though your pads are at an additional cost.

Nevertheless, the name makes their devices trustworthy so you shouldn’t worry about the functionality and durability of the device.


#5. InvisiPure Sky Ultrasonic Cool Mist Humidifier

InvisiPure Sky Ultrasonic Cool Mist Humidifier

The InvisiPure Sky Ultrasonic Cool Mist Humidifier is one of the top filterless humidifiers that produces only cool mist. It sports a control which lets you select the height, direction, and angle you want the nozzle to spray.  

The 1-gallon tank lets it run for 40 hours without refill and is perfect for your room and babies. This is because of the noiseless mechanism and the optional nightlight which still makes the device slightly visible when you turn off the light. You can as well adjust the nightlight as you desire.

However, it provides no aroma box for your essential oils so you would not consider getting some for yourself. 


We have given you a concise list of best filterless humidifier for large rooms and features which would ease your life and save you some stress and money. Nevertheless, you shouldn’t forget these humidifiers will still require some maintenance even though they are filterless.

When you maintain them, you save yourself the risk of storing up mold in your water and get a perfect atmosphere for yourself and your family.


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