Do Air Purifiers Dehumidify? (Moisture Matters)

  • Author: Irene Batres
  • Date: February 13, 2023
  • Time to read: 5 min.
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Do you feel suffocated and uneasy in your living space due to the excessive moisture in the air?

Have you ever considered whether air purifiers can alleviate this issue?

High humidity levels indoors can result in mold, unpleasant odors, and a general sense of discomfort. While many individuals resort to dehumidifiers, others wonder about the potential of air purifiers.

By better understanding whether air purifiers can reduce humidity levels, you can decide which device best suits your needs and take charge of your indoor air quality.

This comprehensive guide aims to clarify the question “Do Air Purifiers Dehumidify?” and provide the information necessary to enhance indoor air quality immediately.

Do Air Purifiers Dehumidify?

Do Air Purifiers Dehumidify?

Air purifiers by themselves do not dehumidify. They are designed to clean the air by removing dust, allergies, particles, pollen, pet hair, mold, and unhealthy airborne contaminants.

On the other hand, a dehumidifier is known to reduce excess moisture. And works incredibly well to extract water from the air.

How Air Purifiers And Dehumidifiers Work

Air purifiers and dehumidifiers are designed for distinct purposes [1]. While air purifiers draw air in and filter it through a barrier to capture and remove harmful particles like dust, smoke, and pollen, dehumidifiers absorb moisture, reduce humidity levels, and effectively suppress mold and microbe growth.

Both devices can improve indoor air quality by reducing allergens and pollutants [2]. However, air purifiers are more apt for removing pollutants from the air.

Can You Get A Dehumidifier And Air Purifier In One?

Although, you can use an air purifier and a dehumidifier in the same room. They can work well together. But the problem with that is you’ll have to purchase two devices. And that can be expensive. 

However, there is another option that you can go for. And it will save you time and money.

An air purifier and dehumidifier all in one is a good option. A dehumidifier and an air purifier combo will give you the best balance for each device. You can dehumidify a room and clean the air at the same time.

For example, the air purifier will help purify the air by removing dust mites, allergens, and pollutants. And the dehumidifier helps humidity levels in your home. 

By using both in your home, not only you will be able to breathe better.

But you’ll also have clean indoor air that is odor-free.

Not to mention, you will have a more comfortable living space.

Key Features To Look For In An Air Dehumidifier Combo:

There are many options on the market to choose from. Keep in mind they are not all the same. Some are better than others. However, below is a list of critical features for choosing a device.

True HEPA Filtration-

do air purifiers remove humidity

One key feature that is a must-have in any air purifier is a True HEPA filtration filter. This filter blocks 99.97% of allergens and contaminants as tiny as .03 microns. These airborne particles include pollen, pet dander, household dust, and tobacco smoke. 

Most importantly, some air purifier brands advertise as having a Hepa filter. But there is a big difference between HEPA and True HEPA filters.

Let me explain the differences…

Normal HEPA Filter:

It captures 99% of particles that are .02 microns in size. Also, the filter is made up of fiberglass and is less dense. Another negative feature is that a regular HEPA filter can not trap as many airborne contaminants as a true HEPA filter.

True HEPA-

As previously mentioned, a True HEPA filter has an efficiency rate of 99.97%. It blocks allergens and can even block bacteria and viruses. This is because it is a highly dense filter.

Noise Level

No one wants a loud machine. Not only can this affect your sleep, but also can make an uncomfortable home environment. When looking for an all-in-one machine, it is important to consider the noise level of the device. 

With this in mind, all dehumidifier combos have different noise ratings.

For this reason, the best devices are the ones that are peaceful and quiet. If you don’t like the sound when the machine is running. Then an ultra-quiet operation is the best option. 

Another critical point is to look for a machine with a noise rating in the 35-42 bd range. This will be quiet enough that you won’t even notice when it is running.


When it comes to an Air Dehumidifier w/Air Purifying Function, they are compact. And smaller than a normal-size dehumidifier. This is because they have two functions. 

>So keep in mind they are not normal-size dehumidifiers. Choosing an air dehumidifier and air purifier combo with a larger water tank capacity is essential. A larger water tank equals longer working time.

Tenergy Sorbi air purifier combo is well known for having a 1-liter water tank. And it can remove 750ml/day. Plus, it is lightweight and has TRUE HEPA FILTRATION. 

Additionally, it is highly reviewed. You can find it here on amazon.

2 class="wp-block-heading">What To Do With The Uncomfortable Dry Air?

Track indoor humidity levels: Keeping tabs on the moisture levels inside your home or office is key to ensuring a comfortable atmosphere. Check regularly and make changes as needed.

Block air gaps: Cracks and gaps in your living or work space can let in arid air, causing the indoor environment to become less hospitable. Seal these breaches to preserve optimal indoor humidity levels.

Invite plants into the room: Introducing lush vegetation into your space can have a humidifying effect. Plants release water vapor into the air, which not only increases humidity but also improves air quality.

>Take shorter showers: Using bathroom ventilation, you can reduce the amount of moisture removed from the air and maintain a comfortable humidity level.

Employ a dehumidifier: If you’re dealing with issues such as mold growth or discomfort due to dry air, a dehumidifier can be a lifesaver. This device will help regulate indoor humidity levels and provide relief.

Summary- Do Air Purifiers Dry Out The Air?

In summary, Do Air Purifiers Dehumidify? 

>The answer is no. Air purifiers by themselves are not enough to dry out the room and remove humidity.

On the other hand, an air purifier with a dehumidifier combo is available on the market. And is a popular choice when wanting both options in one device. 

In fact, by having an all-in-one machine, you can receive the benefits of both worlds. 

>Therefore, improving air quality and eliminating allergies and harmful air pollutants in your home while eliminating odors, mold, pet dander, and smoke. You can do this with just one device instead of paying for two. 


  1. Do I Need a Dehumidifier If I Have an Air Purifier?

    An air purifier can help keep the air inside your home or office free of dust, pollen, and other unwanted particles. On the other hand, a dehumidifier is designed to regulate humidity levels, which can be particularly helpful if you reside in a humid climate and experience mold growth, musty smells, or discomfort due to high humidity. However, in some instances, using an air purifier and a dehumidifier together may be the best way to tackle indoor air quality issues.

  2. Why Does The Air Feel Dry when Running My Air Purifier?

    Air purifiers don't necessarily control moisture levels in the air, but they can give the perception of drier air. This is because air purifiers circulate cooler air, creating a sense of dryness. However, studies have shown that air purifiers have minimal to no impact on humidity levels.

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    Do Carbon Filters Dry out the Air?

    Circulating cooler air using carbon filters, commonly found in air purifiers, can create the illusion of dry air, even if the humidity levels remain unchanged. The carbon filters do not directly dry out the air but can contribute to the perception of drier air.


    Further Resources

    If you’re looking for more air purifier resources, consider checking out our other posts on air purifiers.

    irene mills author of freshairdevices



    e Batres is eager to help others create an indoor allergen-free home. She has years of experience testing out air purifiers, dehumidifiers, and other products designed to help with indoor air quality. Learn more about me.