How Does a Cool Mist Humidifier Work

As the colder temperature starts to settle in, the levels of humidity will drop correspondingly. Fortunately, having a humidifier in your home can solve this issue.

How does a cool mist humidifier work? Cool mist evaporative humidifier has a filter acting as a wick which absorbs water from a tank. An ultrasonic humidifier uses a ceramic diaphragm that vibrates at an ultrasonic frequency to create water vapors in the form of cool fog.

Cool Mist Humidifier

What Should You Know about Cool Mist Humidifiers?

There are basically 2 different kinds of cool mist humidifiers. Such various kinds include cooling mist ultrasonic humidifier and cooling mist evaporative humidifier.

Each of the models has different advantages and disadvantages so you could learn more about differences and ways to use cool mist models before making your final decision.

Cool Mist Evaporative Humidifiers

You will know when to use cool mist humidifiers because your indoor air will start to dry up. The most common kind of cooling mist appliance is the evaporative humidifiers.

They’ve been used for years now and they’re quite efficient. The evaporative model’s basic principle is that water is allowed to evaporate naturally in the room, yet on a more efficient scale.

This kind of humidifier has a wick filter that draws and holds the water to the fan.

Then, the water is released from humidifiers in the form of a fine water mist. It enables moisture back to the room, which defeats destructive dry air.

Evaporative humidifiers also have filters, which catch the scale dust being produced.

It means that you don’t have to worry about grayish dust getting in the room, but also means that you’ll have to remember to replace or clean the filters.

Cool Mist Ultrasonic Humidifier

On the other hand, cooling mist ultrasonic humidifiers are different in that they use high-frequency sound vibrations to do the job.

The vibrations are actually what cause water mist to be produced that makes it a much quieter option between the other humidifiers.

Usually, ultrasonic humidifiers don’t have attached filters. It means that you won’t have to worry about keeping the filters.

But, without filters, the mineral scale deposits would make their way to the room in a form of grey dust. If you’re not a fan of it, you may try using demineralized water in the reservoir.

Benefits of Using Cool Mist Humidifiers

Cool mist humidifiers benefit tends to outweigh those of warm mist variety and these versions are more popular.

Below are some of the perks of buying these devices and how they are better or equal than warm mist humidifiers in every area:


One of the primary reasons why you should get a cool mist humidifier is for the health benefits and comfort they could give you and your whole family.

Increasing humidity in your room can alleviate allergic reactions and asthma as well as give comfort for anybody with cold.

Increasing humidity keeps your nasal passages’ inside well-lubricated that can help you heal in a faster manner and increases your sinus health generally.

Humidifiers may also help prevent snoring that could bring an increase in your sleep’s quality level.


Since warm mist humidifiers use heat just to boil the water, it actually uses more energy compared to cool water humidifiers that use a fan only.

If you’re considering having humidifiers on for big portions of the day or considering purchasing more than 1 humidifier for your house, an extra cost would stack up.

Through purchasing cool water humidifiers, you will be able to save a huge amount of money in the long run.


Another benefit of buying and using a cool mist humidifier is due to safety reasons. It’s more preferred because of that benefit.

Since warm mist humidifiers boil water to make steam, there’s a risk of pets or children burning themselves on a unit.

For that reason in mind, rooms are likely accessed by pets or kids must have cool mist humidifiers instead of warm ones.

It is better to use cold or hot water in a humidifier? If you want to know read this article.

Where Should You Use and Place a Cool Mist Humidifier?

For evaporative humidifiers, there would be a bit more noise when it’s operating. Thus, the best place for this kind of humidifier could be in space where there’s a lot going on.

It would drown out the humidifier’s sound and you won’t be able to notice it clearly.

The living room is a great place for such humidifiers. When compared to ultrasonic humidifiers, they run at a much quieter level.

It could be a great choice if you have a humidifier in your bedroom or a quiet room. Having humidifiers in your area where you sleep would be very advantageous and you’ll be able to sleep quietly each night.

If you’re wondering how long you should let humidifiers run, well it depends on the model you own.

Others have particular instructions on that, yet many can run until the water tray is empty that must auto shut off.

When looking for the most ideal cooling mist humidifier, it’s essential to think of the considerations that are essential to you.

If you like a humidifier that’s easier to take care of and maintain, ultrasonic models would be best for you. But, take note that you should clean any limescale from it.

If you like to save a little amount of money, you must go with the evaporative cool mist model.

In that case, you must do a little of investing regarding the best places to purchase replacement filters and try to have one on hand.

The Verdict

Whatever cooling mist humidifier you pick won’t make a huge difference in the end.

The most important thing is that you have humidifiers that are tacking problems that you’re facing in your house. Dry air isn’t attacking your possessions and walls.

You won’t have to worry about health detriments that are associated with dry air.

Any cooling mist humidifiers would make your home more comfortable, particularly during the cold and long winter season. So, why not get one and see the difference!