The Best Filterless Humidifier Reviews: Here’s Why You Need One

best filterless humidifierThere are possibilities for some mineral deposits, air pollutant escaping into the air and sometimes white dust being released into your home when using a humidifier that has filter.

And as technology advances, manufacturers are constantly working hard to improve on humidifiers filters to stop disseminating substances that may affects the air.

5 Best Filterless Humidifier Reviews

1. Honeywell Designer Series Filter Free Cool Mist Humidifier

Honeywell Designer Series Filter Free Cool Mist Humidifier

The Honeywell designer series has so many positive benefits as a cool mist humidifier, it can be considered to be the best. One of the first benefits is that it does not use filters in its operation. This saves you cost of replacing filters and also lowers cleaning and maintenance cost.

It is designed for both medium and large rooms, releasing the right amount of mist into your air. With its variable moisture settings, you can set the rate at which you the output to be release.

This humidifier when on silent mode runs without disrupting your sleep. The rotating mist outlet lets you direct the moisture where you want it.


  • Cool mist.
  • No filter to replace or wash.
  • Variable mist control.
  • You can direct the mist any where you want it.


  • Low maintenance compares to humidifiers that uses filters.
  • Display blue light that lets you view the water level.


  • It’s a bit expensive.
  • Does not feature automatic shut-off.

The vicks is suitable for either medium or large bedroom. Use the directional mist position to face wherever you want. It can run for up to 30 hours and operate with mild sound.

2. Homdox 1.6 Gallon Ultrasonic Warm and Cool Mist

How to choose the best filterless humidifiers

The homdox humidifier comes in robust features you won’t find in most humidifiers especially when it comes to unit without filters. This unit deliver both cool and warm mist and this gives you the ability to choose the mist type you want at a particular time of the day, months or year.

With a remote control, operating this unit becomes less task and convenient as you can operate it six meter from the unit. The dual mist system comes with a 1.6 gallon capacity that will last you through the night and a shut-off function to protect the unit whenever the tanks is empty. This filterfree unit also  features built-in water purifier to destroy water base organism.

However​, you will love the silent working mechanism of the homodox Ultrasonic humidifer as it whisper quietly. You can visit Amazon for more features and customer reviews pertaining to this product through the associated link.

3. Ultrasonic Cool Mist Humidifier 1-Gallon Water Tank

 Ultrasonic Cool Mist Humidifier - Premium Humidifying Unit with Whisper-quiet Operation, Automatic Shut-off and Night Light Function

The ultrasonic cool mist humidifier XL disperses cool mist faster and efficiently. It can last for up 10-24 hours of constant operation, depending on mist control settings, so you can breathe easier and get a good night rest.

It comes with optional night light that offers multi colored lights to give your room a scenic atmosphere while you sleep.

It comes with a tank capacity of one gallon to provide maximum coverage for large rooms up to 500 square feet and also equipped with automatically shut off function.

The single and dual- mist nozzles helps you adjust mist setting. They are put in place to allow you have extra control on over your comfort level.


4. Vicks FilterFree Humidifier

Vicks Warm Mist Humidifier

This is also a warm mist unit without filters and also well from the Vicks brand. This unit looks just like the Honeywell​ brand that you may even mistake them for each other.

The one gallon system boils water turning into vapor steam before releasing warm moisture air into your atmosphere to release is bacteria free air.

It comes with a convenient handle that facilitate it’s easy carriage and also features a bottom opening tank that drains out water completely​,meaning no standing water in the unit when not in use.

With this unit you will enjoy warm moist air up to 12 hours, quiet operating mode and automatic system shut-off when water level is low. It also comes with a medicine cup where you can put Vicks vaporsteam to produce medicated mist if you so wish.


  • The machine provides cool mist.
  • Adjustable humidity control
  • No filter needed.
  • Has 2 gallon water tank.


  • It is not expensive
  • Good for both baby and adults.


  • No information about shutting down by itself when water level is low.

Among the various item discussed here, the vicks humidifier is the least expensive but could equally perform like the rest. The cool mist it provide is great for babies and the grown up. So it’s worth investing on the Vicks FilterFree Humidifier


5. Honeywell Filter-Free Warm Moisture Humidifier

 Honeywell HWM-950 Filter Free Warm Moisture Humidifier

Why you hunt for the best humidifier without filter, you can still consider this 950 model from the household brand Honeywell.

With this unit, expect less cleaning and maintenance as there are no filters to wash just like every other products discussed on this page. It runs quietly providing warm mist suitable for cold weather.

It features a large water tank capacity which enables the filter free system to run up to 24 hours and also a large tank opening which offers easy cleaning of the unit. When you purchase this unit, you will have two moisture settings to select from to meet your demand. The Honeywell filter-less humidifier is ideal for medium room sized.

Other unique features include automatic shut-off, medicine and a refill indicator light. However, purchasing this warm mist Filterless humidifier means taking advantage of 3 year product warranty.

6. Honeywell Easy to Care Cool Mist Filter Free Humidifier

Vicks FilterFree Humidifier

Here is another top rated filter-less humidifier to consider, the Honeywell HUT-220W is recommended for small rooms like the bedroom.

This is another cool mist filter free humidifier designed with circulating mist outlet. If you have ever watered plant before, then you will probably know how HUT-220W works distributing moisture round the room.

With up to 46 hours working time, you won’t have to refill the humidifier more often. It comes with variable moisture settings just like the Honeywell Designer series above. This unit does not require filters and its dishwasher makes it easier and safe to clean.


  • Design for small room like your bedroom.
  • Has a 1.0 water tank.
  • Safe dishwasher
  • Has a variable moisture settings.
  • 46 hours run time.
  • Automatic shut-off


  • Not pricey.
  • Worry free when a water tank is empty because the cool mist will turn off by itself.


  • It may not work efficiently in larger room.

As a matter of comparison, the easy care cool mist has similar features like that of the designer series but this has auto-shut down function that shut it down when water level is low. This unit is not suitable for bigger room size .Since it’s evaporates the mist, it does not produce whites’ dusts.

General Conclusion

We have successfully looked at three different filters less humidifiers here. Each of their features, pros and cons has been outlined. You can now decide which filterless humidifier on this list meets your needs best and identify the one that falls into your budget.