best air purifier for basement

Buyer’s Guide for the Best Air Purifiers for Basement in 2022

Worried about the air quality in your basement?

You’re not alone.

Basements can be breeding grounds for all sorts of pollutants that can be dangerous to your health. But don’t worry, we have the perfect solution to help improve the air quality in your basement – our picks for the best air purifier for basement.

Not only do these devices improve the quality of air in your basement, but they will also keep it free from allergens, dust, and other harmful particles. Not only will you be reducing pollutants in the air, but you’ll also be safeguarding yourself and your loved ones from hazardous health consequences.

Read this blog if you want to know how to clean the air in your home so your family can breathe healthier.

Do air purifiers work well in basements?

Basements can be used for different things in today’s world, like extra bedrooms, workshops, or gyms.

Even though they look nice and offer some extra space, basements have some health risks like mold, toxic air particles, and other airborne pollutants that can be dangerous for your health. That is why having an air cleaner in your basement is critical to improving air quality via filtration.

Which one would be better? A dehumidifier or an air purifier?

Air purifiers are best if your home is not bothered by humidity. It can eliminate allergens, mold spores, dust mites, bacteria, chemicals, and other contaminants usually found in basements.

Dehumidifiers are better for getting rid of dampness and strong odors because of the humidity in basements.

You can get a combo device with air purifying and dehumidifying capabilities if you consider both option suits your needs.

What is the best air purifier for the basement?

There are many different brands of quality appliances that are good for basements. Depending on things like basement space, price, design, and other required features, you can pick anyone you want. They also have different speeds.

best air purifier for basement

LEVOIT Core 400S

best air purifier for basement


Size: 10.79 x 10.79 x 20.47 inches | Weight: 12.79 pounds | Item model number: Core 400S | Customer Rating: 4.8 out of 5 stars |


Smart sensor

Alexa and Google assistant supported

Connects with Mobile app

Energy-efficient and quiet operation



The LEVOIT 400S was awarded the “Excellence in Business to Consumer” (Household Appliances) award by the German innovation award.

Designed as the bigger sister to the Levoit Core 300S, the Core 400S Smart True HEPA Air Purifier powerfully purifies the air with enough coverage for the entire home.

This smart True HEPA air purifier has a high-efficiency activated carbon filter that helps improve air quality. It fights against the factors or poor air quality caused by pollen, mold spores, and dust mites. It also helps relieve congestion, asthma, and other allergic symptoms.

The Air Sight Plus Technology detects air quality, automatically varies the fan speed, and gives you real-time readings to make it easy to keep your air clean. The Vortex Air Technology can purify spaces up to 1000 square feet twice an hour with a clean air delivery rate of 260 CFM.

You can control the settings with the VeSync app, like checking how much filter life is left or when it needs to be turned on and off. The 400S can also be connected to Amazon Alexa or Google Assistant so that you can give it voice commands. It’s quite smooth and quiet, so you won’t hear it while running.

Moreover, this product is Energy Star certified meaning it is energy efficient and consumes low power (only 38W).

It has the ability to alert the user when it’s time to change or clean pre – filters. You can also buy replacement filters separately, so there should be no inconsistency in air cleaning with Off-brand filters and replacement parts.

All in all, this purifier with carbon filters is a great choice because of its many excellent qualities and features for your medium or large basement space.

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Germ Guardian

Budget pick moldy basement air purifier


Size: 10.25 x 6.75 x 21.5 inches | Weight: 8.55 Pounds | Item model number: AC4825E | Customer Rating: 4.7 out of 5 stars |



HEPA filtration

UV-C light

Comes with a Quiet mode


Relatively less energy efficient

The Germ Guardian comes with four different technologies for purifying the air: a HEPA filter, a charcoal filter, UV-C light, and TIO2 treatment.

It has a sleek design and advanced functions with impressive CADR (Clean Air Delivery Rate) of 118 for dust, 108 for smoke, and 125 for pollen (in CFM). The UV technology helps kill airborne particles and viruses such as influenza, staph, and rhinovirus, and reduces other VOCs (Volatile Organic Compounds).

The Pre – Filters trap small and large particles that in turn extend the useful life of the HEPA filter.

HEPA is a type of pleated mechanical air filter. It is an acronym for “high-efficiency particulate air [filter]” (as officially defined by the U.S. Dept. of Energy). This type of air filter can theoretically remove at least 99.97% of dust, pollen, mold, bacteria, and any airborne particles with a size of 0.3 microns (µm).

The Charcoal filters reduce unpleasant odors such as pet odors, smoke, fumes from cooking, and more. It is a bit noisy, but it also comes with a quiet mode that you can use while sleeping. This purifying appliance is a good value for the money.

It has a filter replacement indicator light, which means that the light blinks when it’s time to change the filter. Moreover, the unit is Energy Star-certified and uses only 55W, which means that it is energy efficient and won’t cost you an arm and a leg, even for extended periods of time but it is still high quality.

It has an affordable price range coupled with some advanced qualities to eliminate airborne pollutants in basements.

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Winix 5500-2 Air Purifier with True HEPA

Winix 5500-2

Best for eliminating noxious odors


Size: 15 x 8.2 x 23.6 inches | Weight: 15.4 pounds | Item model number: 5500-2 | Customer Rating: 4.7 out of 5 stars |


Washable carbon filter

Plasma Waves

Smart sensor


Relatively less coverage area

The Winix 5500-2 comes with a true HEPA filtration system. This system can easily detect 99.97% of allergens, dust particles, pet dander, foul and musty smells, and other contaminants that are about 0.3 microns in size. The AOC carbon filter also helps remove household odors.

Additionally, the plasma waves are used to break down almost every type of virus in the air without creating harmful ozone, and it doesn’t have any side effects.

The smart sensor measures the air quality. It also has a mode that adjusts the fan according to the air conditions. You can also use it silently at night with sleep mode. This CADR-certified unit is for rooms up to 360 square feet in size, like smaller basements, medium-size rooms, and other close areas. It has a sleek design with a high-quality finish.

The 5500-2 air purifier is the best for musty odors and other basement smells, plus, it has other great features you expect from a top-notch product.

best air purifiers for basement
BLUEAIR Air Purifier 211+

Blueair Pure 211+

Best air purifier for basement allergy suffers


Size: 13 x 13 x 20 inches | Weight: 18.16 pounds | Item model number: 106237 | Customer Rating: 4.6 out of 5 stars |


Maintains temperature

HEPA silent technology

Modern design

Quiet operations


Relatively pricey

The AHAM Verified Program acknowledges the ability of the Blueair to provide clean air delivery rates of 353 CFM for smoke, 380 CFM for pollen, and 347 CFM for dust particles.

This CARB Certified (California Air Resources Board) purifier can also remove 99% of fine particles from wildfire smoke. This filter is an ideal choice for large rooms and basements. It can filter air after every 12.50 minutes for a 550 square foot room when set to high.

It comes with an auto mode that will keep your room comfortable based on data from the particle sensor.

People usually look for air cleaners that are quiet and efficient. HEPA-silent technology is a good option because it is effective for most air particles. This new model has a thicker fabric, is easier to apply and remove, and has a longer range. It also costs less than the old model, has auto settings, better pre-filters, and a sensor.

best air purifier for basement allergy suffers
Bissell Smart Purifier

Bissell Smart Purifier

Best air purifier for basement allergy suffers


Size: 8.3 x 14.75 x 25 inches | Weight: 18.25 pounds | Item model number: 2609A | Customer Rating: 4.7 out of 5 stars |


Maintains temperature

HEPA silent technology

Modern design

Quiet operations


Relatively pricey

The is a smart air purifier by Bissell. It has a 3Step Filtration process to clean the air. Pre-filters, an activated carbon filter, and an H13 HEPA filter are all included in this unit.

The H13 can capture large particles, indoor smells, odors from pets, and volatile organic compounds. The medicalgrade HEPA filters capture 99.97% of particles 0.3 microns and are smaller when set to the lowest fan speed. In addition, it eliminates pollutants in the air like dust and smoke from wildfires, and/ or cooking.

The Bissell Smart Purifier is certified for larger basements or other spaces. It can filter 1200+ square feet per hour. It comes with 5 fan speeds. Full speed gives noise, but the lowest of which is very quiet.

Its automated Cir-Qulate System uses VOC sensors to monitor indoor air quality and provide color-coded feedback that adjusts the fan speed as needed to maintain continuous air quality.

All in all, it’s one of the best air purifiers for the basement in terms of quality of air purification and filtration for larger areas.

What factors should I consider before buying the best air purifier for basement smell?

The basement size is important.

You will need a larger air purifier if you have a large space. It would be best if you also chose one with filters 20-40% larger than room variants.

The type of basement you have also affects the choice of air purifiers.

Basement bedroom

You know that we have windows in our room most of the time. But you might not know that the air purifier will work more effectively when the windows are closed. It will give you better results than if the windows were open.

Basement gym

If you have a gym in your basement, it is essential to use effective air purifiers.

Air circulators improve air quality by reducing the number of mold spores and dust particles. For example, if you work out in the basement and there are no windows, a basement air purifier could help improve the air quality.

It can also help you to breathe easier.

Basement apartments

It would help if you used high-quality filters, like HEPA filters, for the best air purifier for basement apartments. Other solutions include closing the windows and using low VOC paint. However, these are not always effective. Make sure there are no air circulation gaps in the walls of your basement apartment.

Size of the basement?

Measure the size of your basement before making a purchase. First, find out how large an area the purifier is supposed to cover.

Then, find a device that is bigger than your basement size.

It would be ideal if you consider the size of your basement. If your basement is 600 square feet, you will need an air purifier that can cover at least 600 square feet. However, if you buy one with a coverage area of 700 square feet, it will be better.

Dusty basement

Basements are less ventilated because they are underground and lack windows. This makes the air pollution stay longer. The air is also dusty, which can trigger allergies and asthma attacks. Suppose you have a true HEPA purifying appliance in your basement. In that case, almost all of the particles in the air will be removed, making the air more breathable.

Damp basement

If your basement is damp and leads to mold growth, you should buy a HEPA purifier with UV light. The Ultraviolet light will kill any mold particles and bacteria caught by the filters or in the basement around the filters. Remember, we have mentioned purifiers in this review blog with UV lights and HEPA filters.

Noise level

Some purifying devices produce noise, depending on the model and how fast it runs. Therefore, the noise can be different depending on different air purifier manufacturers. If you hear a lot of noise, even when the machine is in “quiet” mode, it might be a problem with the fan. If this is the case, you can contact customer service or try changing the mode to see if the noise improves. If it does, then there’s no problem with the fan.

Tip: Looking for an air purifier with white noise? Read our blog for more on the topic

Air purifier vs. dehumidifier for basement?

The best way to get rid of dampness and bad smells is to use a dehumidifier. However, if you want clean, fresh air to breathe, you should use a powerful air purifier. Basements are often where contaminants like dust, mold spores, viruses, and bacteria can be found. So using a purifying device is important if you want to stay healthy.

What are the advantages of having a home humidifier?

You may have noticed that the air in your home is dry in the winter or during summer when your air conditioner is running. It’s harmful to your health to breathe too much humid or dry air. So if your home has very dry air, using a humidifier can help.

Do air purifiers really work for mold?

Yes. They are essential for getting rid of mold. If you want to make sure that all the spores in your house are killed, you should place air purifiers in every room. On the other hand, Dehumidifiers prevent mold from growing by removing moisture from the surrounding area. However, purifiers will eliminate any mold spores in the air, making it more difficult for colonies of mold and mildew to form.

Do air purifiers really help with dust?

Yes, they do. They catch the particles in the air, and then the air passes through easily. However, if you use the air purifier a lot, it will help reduce the amount of dust in your home. But it can’t get rid of all of them. So if you want to get rid of more particles, you’ll need a bigger one.

How do I reduce Radon in my basement?

Radon is the second most common cause of lung cancer after smoking. Smokers and people who live in houses with high levels of Radon are at a higher risk for lung cancer. It would be beneficial if your home were tested for Radon. If you have a high level of Radon, you can buy a purifying device to help, but it is not the ultimate solution.

Do air purifiers get rid of smells?

To remove smells from large homes or basements, you may need more than one air purifier, so you will need to install them in different rooms/ places.

Air purifiers work by filtering and removing particles that may cause bad smells. However, the EPA states that no air cleaner or filter will be able to eliminate all the particles that can cause foul odors.


Basements can be a great place to spend your time, but they are also prone to mold and odors. 

Air purifiers help remove these contaminants from the air so that you can breathe easily and safely.

We have listed our picks for the 5 best air purifier for basement so that you can improve the air quality in your home. We have also included a buyer’s guide to help you make a perfect choice.

LEVOIT Core 400S with H13 True HEPA Filter is a fantastic air purifier with powerful cleaning ability. It can remove 99.97% of particles in the air, and it has a Smart Auto Mode that adjusts itself based on the quality of your air.

If you’re looking for an easy and affordable way to improve the basement air quality levels, be sure to check out our top picks. 

Thank you for reading!

Frequently Asked Questions

Do air purifiers work in basements?

Yes, they do. Air purifiers can aid in the reduction of particles in the air, such as dust, mold and pollen.

Do I need an air purifier or dehumidifier for my basement?

Both! An air purifier removes particles from the air, while a dehumidifier removes moisture.

Do air purifiers get rid of smells?

Air purifiers can help reduce smells in your home, but they cannot remove them all. You’ll need more than one air purifier if you want to eliminate stronger scents.

Do air purifiers help with the reduction of mold?

Yes, they do. Air purifiers help remove mold spores from the air, making it more difficult for colonies of mold and mildew to form.

What is the best way to improve indoor air quality? Is it better to have a plant or an air purifier?

Both. Plants are natural air purifiers and can help improve your indoor air quality, but they work much slower than an air purifier.

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