Different Types of Humidifiers

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In your homes, the optimal level of humidity lies around 40-50%. But this is only true during the months of summer and not winters. In the months of winter, the humidity level experiences a significant drop that makes the air inside your homes dry.

Several issues like dry skin chapped as well as flaky lips, and many health issues such as sinus, bleeding from the nose, etc are caused as a result of dry air. For adults as well as babies who suffer from sinus, asthma, or any such respiratory issues, breathing dry air is not at all good for them.  This is the time when you will be able to understand the importance of humidifiers.

Humidifiers increase the level of humidity in the rooms. This is done by providing moisture in the room filled with dry air. The moisture provided is in the form of a mist that is not visible to the human eye.

In the market, you will come across several humidifiers of different sizes and shapes. In this article, you will understand what a humidifier is and its working principle. Along with this, you will also get to know the different types of humidifiers. Apart from this, we have also provided you with tips on how to choose the correct humidifiers.

What is a Humidifier? How Does it Work?

Humidifiers add moisture to the air and prevent dryness. Dryness can be the reason for irritation in different body parts. Humidifiers are quite effective in curing dryness in the throat, skin, lips, and nose.

They can also relieve you from some of the symptoms that are usually caused by common cold as well as flu. But, respiratory problems can also get worse as a result of overusing humidifiers.

Humidifiers can provide humidity to a single room or the whole house. You must know how to use humidifiers. Improper use of humidifiers can have several side effects.

To increase the moisture level, water vapor or steam is emitted through them. Different types of humidifiers work on different working principles which is discussed below.

Types of Humidifiers

Cool Mist Humidifier

Cool mist humidifiers add moisture to the dry air. They soothe chest congestion and cough. Before the water is evaporated as mist, the filter is made to pass through a filter. They use a filter to trap impurities as well as minerals. After trapping them, a cool, invisible mist evaporates in the air. These humidifiers are affordable and easy to clean.

These cool mist humidifiers are best for areas that have a warmer climate. To get the maximum effect out of these humidifiers, it should be used in a large area. Because of the filters, these are suitable for both children and pets.

To provide more relief from additional congestion, these humidifiers come with added benefits from methanol. If you are suffering from asthma and allergies, you can use cool mist humidifiers every day.

You need to do routine cleaning of these humidifiers. If you fail to do so, then there is a probability of contamination and build-up of bacteria. There will be health complications if bacteria mixes with water vapor.


  • The filters trap impurities making the air clean.
  • Easy to clean.
  • Affordable.
  • Benefits of methanol.
  • Relieves you from chest congestion, asthma, and allergies.


  • More noisier than other humidifiers.
  • If regular cleaning is not done, bacteria can cause health complications.

Evaporative Humidifier

Evaporative humidifiers are close to cool mist humidifiers. This is because these humidifiers create water vapor without heating water. These humidifiers use a fan to circulate humidity. At the bottom, a filter with a moist wick is present that circulates humidity.

The humidity is created in the air as the water evaporates as vapor in the form of spray or mist. These humidifiers do not generate heat making it ideal for children and pets. They do not damage any furniture. You can keep these humidifiers anywhere you wish.

These humidifiers are affordable, need low maintenance, and portable. They are self-regulating. Self-regulating means the humidifiers can adjust the level of humidity on their own. Quickly and efficiently the room’s moisture can increase.

Clean and invisible moisture is created by the humidifiers. They do not create white mineral dust. There is a risk of contamination from bacteria since water is not heated. Using distilled water and regular cleaning is necessary for maintaining the purity of air.


  • Does not heat water to create water vapor.
  • Water evaporates as vapor in the form of spray or mist.
  • Do not damage any furniture.
  • Affordable, require low maintenance, and portable.
  • Quickly and efficiently the room’s moisture can increase.
  • The humidifiers do not create white mineral dust.


  • Produces a low sound.
  • Contamination of bacteria possible if regular cleaning is not done.

Warm Mist Humidifier

If you are looking for a humidifier for cool weather conditions, these are the best option for you. To create vapor in the humidifiers, water is heated. After heating water, the vapor is cooled. After this, it is released in the air. The purity of the vapor increases in this process and the risk of contamination from bacteria reduces.

These humidifiers are perfect for treating flu as well as cold. These humidifiers are ideal if you plan to use it in a room. These humidifiers are known to provide high-level moisture saturation.

These humidifiers should be kept at a distance from children. This is necessary because they emit hot vapor.

The internal fan present in these humidifiers provides lower sound than cool mist humidifiers. These are less energy sufficient and are difficult to clean. Because of the filtration system of these humidifiers, they are a bit expensive.


  • Ideal for cool weather conditions.
  • Great for using it in a smaller area.
  • Perfect for treating cold and flu.
  • Produces lower sound than other humidifiers.
  • Reduces the risk of contamination from bacteria.


  • They are expensive and difficult to clean.
  • Should be kept away from children as they emit hot vapor.

Ultrasonic Humidifier

These kinds of humidifiers work using a vibrating metallic diaphragm. These diaphragms are usually made of ceramic or metal. These humidifiers vibrate at an ultrasonic frequency which is similar to a speaker. These humidifiers provide you with the option of cold or warm mist.

Water droplets are created by vibrations. After these the water droplets are thrown in the room. These humidifiers are very quiet and require minimum energy to operate.

Some of the humidifiers come with pre-programmed settings. These settings provide you with the opportunity to control humidity depending on the weather conditions.

They are easy to clean and protect you from allergies, cold, and many more such symptoms. They are on the expensive side.


  • Uses minimum energy to operate.
  • Very quiet.
  • Provides you with the option of warm and cold moisture.
  • Provide you with pre-programmed settings.
  • Easy to clean.


  • Expensive.
  • Warm mist can cause bacterial contamination.

Tips for Choosing the Right Humidifier

Now that you understand the difference between different types of humidifiers, you need to know some tips before choosing the right humidifier.

Ideal humidifier on a budget

If you have a fixed budget, don’t think that you cannot buy a humidifier. This is not true. If you are tight on budget, you should buy a cool-mist humidifier.

Ideal humidifier for children

People usually prefer buying a humidifier to provide their children relief from allergies and illnesses. You should always buy cool mist humidifiers and never buy a warm mist purifier when buying for children.

Easy to clean

When buying a humidifier, one of the things that you need to consider is cleaning them. The easiest humidifiers to clean are ultrasonic and cool mist.

Final Word

If you want to buy a humidifier, you need to consider your options well. Humidifiers with proper care can have a significant effect on your lives. It will provide moisture in the dry atmosphere and make your life healthy.

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