What is a dehumidifier in the real sense and its function? You’ll find out what this appliance is all about in this publication. By the way, a dehumidifier is an electrical device for removing moisture content from the air. The appliance works on removing water content from the air. It removes the air in the room through a fan. The air collected by the fan is cooled and released in a container. The air is then dried before being released back into the room. Having dry air prevents the growth of dangerous microbes.

What Is A Dehumidifier, Why You Need It And How To Find The Right Dehumidifier

Some spores are airborne. They grow on wet surfaces and thrives in cool air. The spores seen on bread (or the refrigerator) is proof that microbes grow on wet surfaces. With Dehumidifier in the room, such bacterial stand no chance. When the air in a room is moist it can be detrimental to one’s health. Inhaling stale air can result in stuffy nose, watery eyes even difficulty in breathing.

Dehumidifiers are useful also in fully packed areas. Storerooms with overloads of items could use one. Basement and laundry room. The bathroom and toilet. Rooms with lots of packed stuff. All these need a Dehumidifier. If the air in the home is moist, bad odor tends to fill such places. It is unhygienic to stay in places where the air is damp. One is sure to take a swig of stale odor.

What Is The Best Humidity Setting For Dehumidifier

High relative humidity allows for the growth of microbes and spores. When the air is 60% moist, the humidity is high. The humidity has to be reduced to 45% – 30%. Some Dehumidifiers come with a gauge. With the gauge, the water content in the air can be measured.

The water level in the reservoir can also be monitored. The gauge allows users to set the Dehumidifier to adjust to suit the room’s humidity. Some dehumidifiers, however, have no gauge. For these, the hygrometer is needed to measure the room’s humidity. When the gauge reads 100%, be rest assured that your room is free of air moisture.

How To Know Your Home Needs A Dehumidifier 

How To Know Your Home Needs A Dehumidifier

1. Stained walls, wet floors: Moist windows, walls, and floors are a cue to moist air. When your walls and floors are wet, consider a dehumidifier. You may also want to start looking into getting a dehumidifier if your home is always moist. When the air feels too wet for comfort, it is definitely “Dehumidifier time”.

2. Unpleasant smell: Every home has that healthy smell that makes it “Home”. Nobody wants to enter a place and be welcomed with a disgusting odor. You know you need a Dehumidifier when home no longer smells home. When your home starts giving off an offensive smell, know it is time to get a Dehumidifier.

3. Cold weather: During cold weather, a dehumidifier is also a good appliance to have in the home. Since the Air Conditioning is practically not useful in such weather. When you are freezing in your own home, please get a Dehumidifier. Dehumidifier thaws the cold air with heated air. 

Types of Dehumidifier 

Dehumidifiers are basically of two categories such as a whole House Dehumidifier and Portable Dehumidifier. From there, you can make a pick.

Whole House Dehumidifier 

This type is usually for bigger space humidity control. Some models require the installation of why others don’t.  

  • Big enough to power the whole house.
  • The best choice for industrial purposes.
  • The best solution to long term humidity problems.
  • It is installed by professionals. At such, there are guaranteed excellent performance.
  • It uses a direct drainage system. 
  • Very expensive.
  • The installation fee is high.
  • It consumes much power therefore bills on it are high. 
Portable Dehumidifier

If there is a need to remove high moisture from a single room, then a portable unit is what you should consider. 

  • They are small and easy to move around. 
  • Affordable.
  • It does not need to be fixed into any wall. 
  • Most comes with a fan for dehumidifying. These fans are noisy. 
  • The drainage system is manual. 
  • It can only work in just a room. 

Picking The Right Dehumidifier For Your Home

  • Moisture Removal Capacity: The main function of a dehumidifier is its water removing strength. Dehumidifiers are rated based on their water removal capacity. If you are getting a Dehumidifier for your home, consider this factor. A good Dehumidifier should be able to work round the clock to remove air moisture. The amount of moisture the appliance can remove is calculated using pint or ounces. A good Dehumidifier should be able to remove at least 80% of the dampness in the air.
  • Room Size: The capacity of the Dehumidifier, however, can be restricted depending on where it is used. For larger rooms, a Dehumidifier might not be able to work to its full capacity. When the room is moderately big (not too big and not so small), the Dehumidifier will be able to work its strength. The capacity is better rated in smaller rooms. However, the strength of the device might be lost in a room too big for the device. This doesn’t mean the Dehumidifier is ineffective in removing damp air. It only means the room needs a bigger Dehumidifier. So, consider the size of your room when getting one. 
  • Some people prefer getting a Dehumidifier for the whole building. If you plan on this, you should get the industrial Dehumidifier. This is big and can power the whole house. Honeywell’s TruDRY DR65 3000 Series Whole-House Dehumidifier is suitable for industrial and whole-house use.
  • Noise Level Noise? Yes, noise. If you are the type who enjoys your serenity and peace, consider the noise level. Every Dehumidifier comes with a Noise level. Some are relatively noisy due to their size. If you want less noise, go for Dehumidifiers with low decibels. Jese Small Dehumidifier is one of such. It hums just like the Refrigerator. New models of Dehumidifier are less noisy. Most come with a setting. If you want a big Dehumidifier, let the noise level not deter you. Simply pick the one you can reduce the noise level to your taste. 
  • Drainage System: Some homes are built in swampy areas. Homes in such locations have plenty of water to remove. If your home is in such areas, consider the drainage system of the Dehumidifier you are buying. There is direct drain dehumidifier. It drains water directly to the floor. The other option is the bucket drainage system. With those, you will constantly have to empty the bucket when filled up. 

Frequently Asked Questions

What is the best humidity setting for a Dehumidifier? The settings for Dehumidifier depends on the room it is in. If the humidity of the room is high, water moisture is high. The settings will be increased to dry off the wet air. 

What does a Dehumidifier do? A Dehumidifier dries up the moisture content of the air. It is the exact opposite of an Air conditioner. It heats the room while Air conditioner cools the room. 

How does Dehumidifier work? A dehumidifier works by collecting the moist air in the room. The damp air is collected by the appliance. The collected air passes through a pipe where it is cooled. The water from the air is drained into the removable bucket. The air is then dried by the fan before being released back into the room. The released air is drier and warmer.

When should I use a Dehumidifier? You need a Dehumidifier when the room is too damp. Stained walls, wet floors, stained window all calls for Dehumidifier. 


Dehumidifiers are a good choice for damp homes. They dry up moist air and keeps the room relatively warm. A dehumidifier is suitable for Homes and Industries. Hospitals and Relaxation centers use dry air from Dehumidifiers too for their Clients. We Hope this article on what is a dehumidifier is able to help you understand what this appliance stands for and if so, thanks for reading our post.

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