Do I Need A Dehumidifier If I Have An Air Purifier

Do I Need A Dehumidifier If I Have An Air Purifier?

Do I Need A Dehumidifier If I Have An Air Purifier? Of course, if your air conditioner can’t adequately remove moisture from the room and keep things dry, it may be time for a new one! To know if you need a dehumidifier, check your room’s temperature and relative humidity levels. If they are higher than 40°F (4°C) or 50% RH, respectively, you will probably benefit from investing in one.

If you’re trying to stay on top of dust and allergens in your home, you might be wondering whether you need to buy an air purifier and a dehumidifier or whether it’s enough to rely on just one of these devices to take care of all your needs. The answer? Well, it depends on the situation! In this article, we’ll look at when it’s best to use an air purifier or a dehumidifier to tackle the specific challenges you may be facing in your home or workspace.

Do I Need A Dehumidifier If I Have An Air Purifier?

A dehumidifier is a device that pulls moisture out of the air and prevents mold and mildew from growing in humid environments. If you want to use one with an air purifier, make sure you get a model with a clean air technology filter so it can keep up with how fast the dehumidification process occurs. 

Comparing an air purifier and a dehumidifier is where they get their energy. An air purifier gets its power from an outlet, while a dehumidifier relies on electricity to work. An air purifier has filters and HEPA filters to catch pollutants, bacteria, allergens, viruses, and other impurities in the air. In contrast, a dehumidifier collects water by pulling it out of the surrounding environment. It then releases this liquid through an exhaust pipe for outside disposal or into another container for drinking or other purposes

Or, of course, if your air conditioner can’t adequately remove moisture from the room and keep things dry, it may be time for a new one! To know if you need a dehumidifier, check your room’s temperature and relative humidity levels. If they are higher than 40°F (4°C) or 50% RH, respectively, you will probably benefit from investing in one.

How to know if I need a dehumidifier?

Do I Need A Dehumidifier If I Have An Air Purifier

Are you having trouble with your humidity levels? Check out our guide to help find out if you need a dehumidifier or an air purifier. Just follow these simple steps: 

1: When you don’t have enough ventilation

Many people who have problems with moisture in their homes are not aware that the air purifier on its own will not remove moisture. This is because an air purifier does not filter any water vapor from the air; it simply filters dust and some allergens. If you don’t have enough ventilation and no fresh air comes into your home or office. 

This results in increasing moisture. For most people who suffer from water in their homes, even if they use an air purifier, there will still be times when the indoor humidity can exceed 20% RH (relative humidity). It is essential to know that too much relative humidity can cause mold and dust mites to grow inside your home and promote several other adverse health effects. The solution to this problem is to install a dehumidifier to help dry out the air.

2: When your home gets too humid

Humidity in the air can cause dry skin, shortness of breath, excess sweating, aggravate allergies and asthma symptoms, and lead to mold growth. If you live in high humidity levels or your home gets humid quickly due to things like cooking, showering, or even heating or cooling, you would likely benefit from dehumidifiers and an air purifier. Is one question worth asking is what is the difference between a dehumidifier and an air purifier? Some people choose to use both because they will have different strengths in combating humidity.

3: When you see mold or mildew growth in your home

A dehumidifier will not remove mold or mildew, so if you notice any signs of either in your home, you should have an air purifier. 

However, a dehumidifier is an excellent tool for removing other airborne contaminants, such as pet dander and smoke. It’s worth noting that the chemicals created by a dehumidifier might be more dangerous than the microbes in mold spores because the microorganisms can be killed with bleach or soap. 

If you are unsure whether to get a dehumidifier or an air purifier, it is best to talk to a professional because they will know what system would work best for your needs.

4: When your bedroom feels stuffy at night

An air purifier removes most of the contaminants so that you won’t be breathing them in, and they will not hang around. Air purifiers don’t remove humidity, though, so you might need a dehumidifier to handle that task if your bedroom gets stuffy at night. The only way to lessen the humidity level is a dehumidifier. That being said, there are different types of dehumidifiers for different situations.

5: Check your current humidity levels.

Do I Need A Dehumidifier If I Have An Air Purifier

If humidity levels in your office and home are too high, you may need a dehumidifier. But how do you know your humidity levels are above average or below average? Check your current humidity level in your home,  and keep track of your readings over an extended period. If the humidity level is up to 60%, you need a dehumidifier, but if it’s less than 60%, you don’t need one.

You can also check out our other related articles Are Air Purifiers and Dehumidifiers the same in any case?

What is an air purifier?

Air purifiers work by clearing the air of allergens, bacteria, dust, and other particles. Many people install them in their homes to get rid of pet dander, dust mites, and mold spores that are typically all around the house. If you have pets and animals in your home or someone with allergies, an air purifier helps your family breathe easier.

Air purifiers come in three basic types: HEPA filter units (high-efficiency particulate arrestors), ionizers, and ozone generators. HEPA filters are considered the most effective type of filter for getting rid of particles like those from smoke or dog hair, as they’re powerful enough to stop these particles as they pass through the air.

What is a dehumidifier?

A dehumidifier absorbs moisture from the air, which is why you will typically see them placed in bathrooms, laundry rooms, or closets where there is a lot of humidity. The humidity naturally builds up in these areas because they are not heated and cooled as often as other rooms in the house. As the temperature fluctuates, it can cause some dampness to settle on surfaces.

Dehumidifiers can help reduce this buildup by drawing out excess moisture from the air and eliminating it using condensation (more on that below). This means that after it’s done running, your home won’t have any excess humidity or smells! 

Comparison between a dehumidifier and an air purifier

There are two main differences between air purifiers and dehumidifiers.

1:  The first difference is that air purifiers focus on removing or reducing airborne particles, such as dust and pollen, whereas a dehumidifier removes excess moisture from the environment.

2: The second difference is that an air purifier moves heated air over a filter to remove particulates, as a stove hood filters smoke from cooking, whereas a dehumidifier needs to have coils chilled by an external cold source.

3:  An air purifier typically has more features than your average portable humidifier, like filtration systems or antibacterial treatments.

Can a dehumidifier and an air purifier be used in an identical room?

Yes, a dehumidifier and an air purifier can be used in the same room without any problems. Air purifiers, dehumidifiers, and whole-house humidifiers are each practical tools for combatting different airborne allergens and irritants. What they don’t do is replace one another. 

Do I Need A Dehumidifier If I Have An Air Purifier

Air purifiers remove allergens and irritants from the air that come in contact with the filter while the unit is running. 

They generally cannot effectively remove what’s been sitting on surfaces like carpets or upholstery for hours or days, which can release odors when disturbed or stepped on. Dehumidifiers are best suited to removing moisture because their job is to maintain a low humidity level. Adding a dehumidifier may be necessary if your home has extreme dampness and mold growth due to excess moisture levels.


Get the answer to the questions.

Are air purifiers and dehumidifiers the same?

No, air purifiers and dehumidifiers are two different products. This blog post will outline some of the benefits of both products, knowing when one is needed in your home and when to use one over the other. Air purifiers help improve indoor air quality by trapping dust and allergens that have been inhaled. They also remove smells left behind by cooking and other household activities. A dehumidifier pulls out excess moisture from the air, which can help manage humidity levels but won’t eliminate those pesky dust mites or pet dander.

Do I Need Both in Combination, or Can One Substitute for the Other?

If you are living in dry or no humidity levels or need to dry out your air after using your air conditioner, it may be necessary to have both. But some factors should be considered before making the purchase. The size of the room is affected by humidity or moisture – do you want to use one device for an entire house or just one room? For air purifiers and dehumidifiers to effectively remove water from indoor air, they need enough space around them (at least five feet) so that their vents don’t recirculate humid air back into the room. Otherwise, they will either not affect dampness levels in the home or help reduce it slightly.

Will An Air Purifier Benefit My Indoor Mold Problem?

Air purifiers are great, but they won’t be able to get rid of all the moisture in your home. Water will accumulate on walls and furniture and cause additional problems. Mold can also increase in a moist environment, so taking the necessary steps to reduce the amount of moisture in your home is essential. You can get started by installing a dehumidifier and conducting regular air quality tests to check for mold or allergens. And remember – mold starts as tiny spores that float in the air, so it’s best to have good ventilation no matter what.


You probably don’t need to buy a dehumidifier if you have air purification because both can effectively remove any excess moisture from the air. However, there are some scenarios where one will be more efficient than the other: for example, it may be challenging to use an air purifier in large rooms with high ceilings or on humid days when it’s raining. These are situations where you might also want to invest in a dehumidifier. But no matter what, ensure your home is adequately ventilated, so that warm moist air doesn’t accumulate and create condensation and mold growth. 

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