What’s the Difference Between Cool Mist and Warm Mist Humidifiers?

Cool Mist and Warm Mist Humidifiers

The main goal of humidifiers is to improve the air moisture in your household by using cool or warm mist technologies. Since both of them have advantages and disadvantages, you should understand how each functions so that you can make up your mind with ease.

It does not matter which type you decide to choose, because both of them will help you maintain the humidity levels in healthy balance so that you can avoid side effects of dry air that includes respiratory issues and dry skin.

Other side effects include bloody noses, itchy skin, cracked lips as well as other respiratory conditions that you may get due to constant exposure to dry air.

Have in mind that dry air is not only problematic for living beings because it can damage furnishings, wood floors, and in some questionable situations even household’s structure.

That is the main reason why we decided to present you difference between cool mist and warm mist humidifiers:

What Are Cool Mist Humidifiers?

We have to start by saying that cool mist humidifiers can disperse comfortable steam of coolness within your household. They are available in ultrasonic and evaporative technologies.

Evaporative humidifiers contain internal wick filter that absorbs water, and the fan will blow it through the filter so that you can cool down the room at the same time. This particular process will cause the water to evaporate throughout your place like an invisible and ultra-fine mist.

You can also find the ones that use ultrasonic vibration technology to create a micro-fine cool mist that it will release throughout the environment you are.

These appliances are perfect for your household because you will be able to add moisture to single rooms as well as entire house based on the model that you decide to purchase.

Since the water does not require a heating process before dispersing, they tend to use less electricity than warm mist humidifiers. At the same time, parents are choosing this particular type so that they can avoid hot water accidents that may happen due to children and pets.

One of the most significant disadvantages of cool mist humidifiers is noise. This is especially true for evaporative humidifiers since they use fans so that you can enjoy in perfect humidity levels.

It can also increase the coolness of your household, which is something you should remember before you make up your mind.

Advantages of Cool Mist Humidifiers

Effective For Relieving Respiratory Symptoms

Have in mind that the primary goal of owning humidifier is to improve health of your household’s air. Therefore, the prolonged exposure to dry air can cause severe issues, so you will need something to widen and lubricate nasal passages as well as release pressure on sinuses, soothe cracked lips and many more.

Quieter and Cheaper Than Warm Mist

Similarly, as we have mentioned above, it is essential to remember that cool mist humidifiers are cheaper and more peaceful to handle and run than warm ones. They are also affordable solution, which means that it is an excellent choice for people with a limited budget.


They are a more reliable option for households with children and pets because if you knock them over, they will not contain warm water similarly as alternative, which means that it cannot cause burns and accidents.

Disadvantages of Cool Mist Humidifiers


The main problem that happens with this particular type of humidifiers is that you have to clean it properly because they tend to harbor mold spores and bacteria, so if you avoid cleaning that may affect your overall health. Even though you will be able to do it in a matter of minutes that could be tiresome for busy people. Warm mist humidifiers do not require frequent cleaning as cool one due to warm water within that will fight all these bacteria and molds.

What Are Warm Mist Humidifiers?

When it comes to warm mist humidifiers, they tend to use internal heating elements that will boil the water before you release it into your environment as a form of invisible mist.

These humidifiers are much healthier since the boiling process will kill waterborne mold and bacteria, which means that it will prevent them from entering the air you breathe.

Have in mind that the absence of internal fan means that they are reticent when compared with their counterparts, and you can also find ultrasonic models, but they are solutions that are more expensive.

At the same time, they are not as efficient as fresh mist models, which mean that you will not be able to maintain moisture levels in large areas. Instead, they work best in single rooms such as offices and bedrooms.

Apart from that, warm mist humidifiers require a more significant price tag than fresh mist models, and you will have to clean them properly since mineral deposits will appear after boiling process.

However, these humidifiers are more comfortable during the winter months, so if you live in tropic area, you should think twice before you choose them.

Advantages of Warm Mist Humidifiers

Health Benefits

Similarly as the other types, warm mist humidifier is an excellent solution for dry air, because it will soothe your household quickly while reducing issues such as chapped lips, congestion, sore noses, and sinus pressure.

Quiet Operation

Since they do not feature fan inside, you can rest assured and enjoy in smooth operation so you can place them in bedroom as well as other areas of your office or household.

Disadvantages of Warm Mist Humidifiers

Safety Concerns

The main problem of this particular type of humidifiers is safety because they feature boiling water inside and that could burn bare skin in case you touch it or spill it on yourself. Therefore, it is not suitable for households that feature pets or children. Of course, you can choose this particular solution in case you have children or pets, but you have to place it out of reach to avoid further complications.

Final Word

As you can see from everything, we have mentioned above, and it is simple to differentiate cool mist from warm mist humidifiers. The main goal is to maintain a healthy percentage of humidity inside your household, but the choice depends on your particular situation.

Therefore, if you live in cold climate area, you should choose warm mist, while people that live in hot areas, should use cool mist humidifiers because both of them tend to project the heat and coldness inside apart from relieving your respiratory system.

If you have anything else to add, feel free to do it in the comment section below.


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