Humidifiers are devices that supply moisture (steam) to the air in order to prevent dryness. It has however been researched that while humidifiers have lots of benefits such as helping to relieve dry skin, cracking lips, dry nose and much more, it can also have a negative impact on an individual’s health if it is too high. A high level of humidity can lead to or worsen respiratory problems. Humidifiers usually come in various sizes, such as portable or personal size and console size.

The portable size, as the name implies is actually the smallest unit of a humidifier and often regarded as the best option for a traveler. The console size, on the other hand, is large and has a wheel attached to it which can be moved from one place to another. It is often used to steam or moisturize the entire house.

While humidifiers come in various sizes, it is very much interesting to know that there are various types as well, of which the steam, ultrasonic and evaporative humidifiers are the three major types, while other types are the central humidifiers and impeller humidifiers. Choosing a humidifier that will suit an individual needs depends on a certain number of factors, some of which include:


Steam humidifier is also known as a vaporizer or a warm mist humidifier. It is often referred to as an ideal humidifier for people suffering from a respiratory disorder. It is a humidifier that works with electricity as it cools water after heating it before discharging it to the air. This type of humidifier emits clean moisture into the air due to the water heating process which kills all forms of germ and it is less expensive and portable. However, a steam humidifier that has a humidistat might actually cost a little more than one without a humidistat.

The purpose of the humidistat is to help control humidity by either increasing or decreasing the heat that is creating the steam and it does that based on the environment current level of humidity. The major weakness attributed to a steam humidifier falls in the area of its energy consumption, as it consumes more energy than other types of humidifier.

Asides its energy consumption rate, it also carries a high risk of burns. It should, however, be noted that when a steam humidifier is not in use, the water in it should be drained out and the humidifier should be cleaned and properly dried. Likewise, the whitish substance known as a lime scale usually caused by the effect of heat on water should be cleaned and taken out of the humidifier from time to time.


Evaporative humidifier is also known as a wick or cool mist humidifier and it is referred to as the most common handy or portable humidifier among others. Unlike the steam humidifier, this type of humidifier consumes lesser energy. Water is emitted into the air through the evaporation of moisture. Once evaporation occurs, it retains any particles back in the humidifier and discharges the cleaner part of the water into the air giving room for a hygienic environment. Despite this great advantage of restricting particles from going into the air, this restriction requires regular replacement of the filter to prevent it from smelling, as the retained particles by the humidifier stores in the filter.


One of the disadvantages of an evaporative humidifier is that it does not multitask, that is, it has been designed to work only in one place at a time and it may sometimes discharge excess moisture into the air which could be a problem for asthmatic patients. The Everlasting Comfort Ultrasonic Humidifier: For All Seasons is often regarded as the best humidifier for children. Sometimes referred to as a spray humidifier, it is known as the most affordable type of humidifier among others and requires little energy to operate as well as little maintenance. This type of humidifier has both cool and warm mist.

The ultrasonic humidifier consists of a water reservoir and a vibrating plate. The pressure of the vibrating plate allows the water to break into smaller units, which is then blown out of the vent into the room with the aid of a fan in the humidifier.

Central Humidifier

A major disadvantage of this type of humidifier is that, it releases dust into the air which eventually settles in the room making the environment less clean and hygienic and thus creating complications for a person with a respiratory problem.T his type of humidifier is more expensive than every other type of humidifier. It is usually constructed directly inside the air conditioning appliance of one’s home and it spreads humidity to the whole house.

Impeller Humidifier: 

This type of humidifier has no prospect of burns attached to it and thus among one of the humidifiers that is safe for children. It uses a rotating disc which operates at a high rate to throw fine drops of water into the air. The impeller generates a louder noise than other types of humidifiers discussed above.

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