Dehumidifiers VS Humidifiers -Which One Do I Need?

To know whether you need a dehumidifier or a humidifier. We need to clear all those myths you have and give you a clear-cut answer to what exactly you have been asking for a long time. Such as what is a dehumidifier or a humidifier? What is the purpose of using a dehumidifier or humidifier? And where do you need a dehumidifier or humidifier? Clearing up all the queries and doubts will give you a more accurate and vivid image of the picture that you need to know, so let’s begin.

Dehumidifier VS Humidifier

You can say that a dehumidifier and humidifier are the two opposite ends of a rod. A dehumidifier works as a moisture absorber to give a more comfortable atmosphere, whereas a humidifier on the other hand releases moisture into the air to make the environment more humid. Therefore, it can be said that a dehumidifier is a gadget that makes excess moisture air dry, while a humidifier makes your dry air humid.

Matter of Need

Giving you a short and brief answer without exaggerating, first, you have got to get a good quality hygrometer to measure humidity? When the humidity level is 50% or above, you will need a dehumidifier to control humidity. But, when the humidity level in a specific area or your house is 30% or below, you will surely need a humidifier to get rid of extra dryness and make the environment more comfortable and friendly.


A hygrometer is an essential need while measuring humidity. It works on the evaporative cooling principle. Which states, when the water evaporates from any surface, it becomes cool due to the reason that the water molecules take heat energy from the surface during the process of evaporation. Therefore, with this cooling effect, the wet-bulb always shows low temperature in comparison with the dry bulb.

To know the results that are visible on the device chart and read them down starting from wet-bulb depression to the dry-bulb temperature. You will get the spot where there are numbers to meet, and you will know the relative humidity of the given place. In the end, you will use the percentage to show the final results.

Health Reasons and Environmental Factors

You must notice not everything depends upon the percentage of the humidity in a room, but there are some essential health and environmental factors that should be counted on while choosing it. Let’s not make it more complicated and say if you feel more comfortable in a dry atmosphere rather than a little humid, you may not prefer a humidifier. But the drawbacks, therefore, could be drying your skin and making your atmosphere a little uncomfortable. However, when the air is too damp, musty, and sticky. It is necessary to use a dehumidifier because if you don’t, it will lead to your furniture destruction, paint peeling off, building demolition, bad smell, rust, and mold formation.

Therefore, we highly recommend you to use a dehumidifier when the humidity level is 50%, 60%, or so on and a humidifier when the humidity level is 30%, 25%, or below.

Humidifiers or Dehumidifiers(choosing for you babies)

Let’s talk about the most precious ones, your babies. The loved ones, the most adorable, and at times the most sensitive. Deciding for your little one is quite a tricky task, but as simple as that the day air lowers humidity which in return is responsible for causing severe infectious diseases. During cold seasons such as flu, cough, sore throat, and sinuses. These adorable babies need to be saved from these diseases, as they affect them more than they do adults. So, we recommend you a humidifier to get rid of these bizarre enemies.

However, you can also go for a dehumidifier when the humidity levels are above 45% or so on.  They help remove excess humidity. End up the must, mold, or help cure any respiratory diseases.

Quick Trick Mild Cures and Diseases

If you suffer dry itching eyes, sore throat, dry skin, and chapped lips then you crave a humidifier. If there are moist tinges on the roofs or walls or if rooms feel sticky. Then you need a dehumidifier. … In this case, a humidifier would help. Too much moisture in your home can lead to mold rising on walls and ceilings. Also promotes many bacterial and viral infections.

Best for Asthma:

Well, talk of the dehumidifier first. They are capable of removing excess moisture from the air, making it easier to breathe while keeping all the pollutants and irritating chemicals suspended in the air. However, a humidifier gives a boost to humidity support to moisten dry air results in drying out your airways and thus, increasing the risks of infections, allergies, or asthma.

Promising for Bronchitis:

This time the winner is the humidifier as it can help decrease symptoms and circumstances of bronchitis. A dehumidifier can also reduce mold and bacteria that may accelerate bronchitis.


When you have caught a mild or severe cold. A humidifier can help ameliorate cold symptoms like coughing and wheezing.

Note: An abrupt change in temperature from warm to cold can also lead to an asthma attack.

What should one buy a dehumidifier or a humidifier if the weather is too hot?

Certainly, most people get it fundamentally wrong that humidifiers or dehumidifiers have the main tasks to do with the temperature. While in reality, their purpose is to moisten the air or to lower excess moisture. So, the straight answer to this question could be neither a dehumidifier nor a humidifier, but you need to certainly get an Air conditioner. You are going to add a dehumidifier to a heated room. It will make it even worse than that if A swamp cooler sprays a fine mist of water into the air. It evaporates almost immediately and cools the air.

If there are some humidity issues, you can consider buying a dehumidifier or humidifier, depending on the humidity-related conditions you are having.

Does a Humidifier Cool a Room?

It’s a clear no, cool mist humidifiers will not make the room cool. It will make you feel a little warmer, as elevated can perspire and retain body heat. Rather than banking on a humidifier to lessen the room temperature, a fan or an air conditioner is a much more effective tool.

Does a Dehumidifier Cool a Room?

As we have seen in the case of a humidifier, that a humidifier does not cool a room. Similar is the case with the dehumidifier. A dehumidifier does not cool a room, but as long as the water content is concerned. It removes humidity, makes air lighter, removes allergens, and finally gives you a more comfortable atmosphere.

Humidifiers during winter months (when the air is dry):

A humidifier is better used during the winter months. If you ask me why, then we have a good reason that says, During winter the air is too dry and so the dry air cannot hold heat well. Therefore, by adding water vapor from a humidifier. You can maintain relative humidity levels. Moreover, moist air feels warm and prevents the furnaces from working overtime. Therefore, consider using a humidifier during the winter months.

This raised humidity can probably ease children and adults’ breathing issues. Those who might be suffering from any sort of allergies, asthma, or infections. Especially those which are related to respiratory infections.


Mist from a dirty dehumidifier can promote the growth of allergens, infectious viruses, and bacteria. Simply, we can say you need to keep your humidifier clean, or it can worsen your allergies, asthma, or infections.

Dehumidifiers during Summer months:

The first thing is the humidity level to be noticed, which is already mentioned that you may use a dehumidifier when the relative humidity level is 50% or above. However, running dehumidifiers during the summer months is another way to improve air quality. During rains or excess moisture in the air, it will help lower the occurrence of allergies, asthma attacks, and musty smells.


It’s the wrap-up, Guys! We can say you can use both a dehumidifier or humidifier depending upon the present conditions or environmental factors. The first thing that you must know is the humidity level, second the health issue, third the environmental factors, and finally of which is the need.

Leave a Comment