5 Best Air Purifiers For Basements in 2021( moldy, smells, damp, musty)

Undoubtedly, a basement is a storehouse of dust and other airborne germs. It’s a true fact because you generally use the place for storing air-conditioning systems, fuse box or breaker panel, water heater, boiler, and especially, for parking cars. But will you leave it in this way without taking a single step? No, you shouldn’t! You can buy one of the best air purifiers for basements to keep the area healthy.

Naturally, you may use the best air purifier for bedrooms. And keep your basement insecure thinking that using an air purifier in the basement is unnecessary. Listen, you are making a pretty mistake! Like that best bedroom air purifier, you should buy one for the basement, too. Are you anxious about choosing a high-class device this time?

Don’t be disappointed! You can get the most suitable one with ease if you keep your eyes a little bit open. In this review, we will introduce you to the 5 best air purifiers for basements for making things easier for you. Let’s have an eye:

BASE COMPARISON TABLE OF Best Air Purifiers For Basements in 2021

In this comparison table, you will come to know about the difference between the products. Here, we have shown the distinctions of capacity and filter system of the products. They will help you choose the most suitable one for you quickly. Let’s have a look: 

Image Product Details   Price
Alen BreatheSmart Classic Alen BreatheSmart Classic Color: White
Dimensions: 10 x 17.75 x 26.75 inches
Weight: 21 pounds
Filter: True HEPA filter
Coverage: 1100 square feet
Check Price
Fellowes 9286201 AeraMax 290 Fellowes 9286201 AeraMax 290 Color: Black, White
Dimensions: 8.13 x 16 x 25.13 inches
Weight: 12.5 pounds
Filter: True HEPA filter
Coverage: 600 Square feet
Check Price
Winix 5500-2 Winix 5500-2 Color: Black
Dimensions: 15 x 8.2 x 23.6 inches
Weight: 15.4 pounds
Filter: True HEPA filter
Coverage: 360 square feet
Check Price
Honeywell HPA300 Honeywell HPA300 Color: Black
Dimensions: 9.25 x 20 x 22.25 inches
Weight: 21 pounds
Filter: True HEPA filter
Coverage: 465 square feet
Check Price
GermGuardian AC4825E GermGuardian AC4825E Color: Black
Dimensions: 9 x 5.5 x 22 inches
Weight: 7 pounds
Filter: True HEPA filter
Coverage: 167 square feet
Check Price

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Top 5 Best Air Purifiers For Basements Reviews in 2021

1. Alen BreatheSmart Classic Air Purifier

alen breathesmart

Key Features:

  • Every 30 minutes, covers 1100 square feet
  • Can catch 99.97% of airborne particles
  • Blue, orange, and red sensor lights for indicating excellent, fair, and poor air quality respectively
  • 3x faster than its similar categories
  • 4 fan speeds for four different speeds

Is your basement air purification system up to the mark? Listen, without a high-class air purifier for the basement, you cannot expect a healthy atmosphere there. What will you do then? I think you are looking for the best device now! Okay, that’s fine. But you can have an eye on the Alen BreatheSmart classic. Conveniently, this one is an unusually well-made device. All the parts are made with quality materials! I guarantee you will not repent if you use it for once.

We have already found that this heartwarming air purifier is the most favorite one for many. Are you surprised? Listen, you shouldn’t because it has a breathtaking performance! Surprisingly, in every 30 minutes, it can cover up to1100 square feet without any hindrance! Can you imagine that? It’s 3x faster than its similar categories!

Besides basements, you can also use it for large spaces like apartments, bedrooms, living rooms, and so on. The true HEPA filter can catch 99.97% of airborne particles. That is why now you need not worry about household odors, pet dander, fur, pollen, allergens, and especially dust.

The basement is where people keep air-conditioning systems, breaker panels, water heaters, boilers, and park cars. That is why, naturally, you find more dust there. Hence, your basement air filter system should be perfect. But you need not think about those if you buy this air purifier. 

What’s more? The blue, orange and red sensor lights indicate excellent, fair, and poor air quality, respectively. And the auto mode helps the device adjust the fan speed according to the air quality of the room. The 4 fan speeds help you run the tool smoothly and quietly. 

  • The air smells cleaner and crisper
  • It does work well in sensing and destroying odors in the air
  • Much better than the low-value small air purifier
  • Makes less sound
  • Lightweight enough to carry
  • An expensive item

2. Fellowes 9286201 AeraMax 290 Air Purifier 

Fellowes 9286201 AeraMax 290

Key Features:

  • It can cover up to 600 square feet with ease!
  • Captures 99.995% of airborne particles
  • 4-stage purification system
  • Contains AreaSafe antimicrobial treatment
  • Carbon filter fight against all types of odor

Are you anxious about your basement air quality? Seriously, there is nothing to worry at all! We guarantee you can quickly realize the atmosphere if you use the Fellowes 9286201 AeraMax only for a couple of days. What you want – this device can give you that. Now you need not worry about cigarette smoke, mold spores, dust mites, germs, viruses, allergens, ragweed, and pollen. 

Because the antimicrobial true HEPA filter can capture 99.995% of airborne particles! The ultra-quiet performance will surely donate you an engaging environment all around the basement. And the 4-stage purification system is so powerful that you will always get a consistent performance for them. Isn’t it too convenient?

We have already stated that the filter system contains AreaSafe Antimicrobial Treatment. And for that reason, you need not waste any time thinking about fungi, mildew, and odor-causing bacteria. Yes, don’t worry about the stored airborne pollutants on the filter! The Plasmatrue technology will help you remove them with ease!

Like many other basement air cleaners, it can cover up to 600 square feet with ease! And the carbon filter it has is exceptionally suitable for abolishing odors. Therefore, you should not go beyond the product. It has everything to make your life healthier. 

  • The sensor on this unit is working properly
  • The Air quality changes so rapidly
  • When it detects the bad air quality, the fans turn to max power
  • It works very well on your entire apartment
  • Easy to place
  • Maximum speed makes sound

3. Winix 5500-2 Air Purifier

Winix 5500-2

Key Features:

  • Includes true HEPA filter to catch 99.97% of allergens, pollen, pet dander, dust mites, and other airborne pollutants
  • AOC washable carbon filter for high-class performance
  • PlasmaWave technology allows no Ozone and to remove chemical vapors, allergens, and odors safely
  • Capable of covering 360 square feet
  • Contains auto and smart sensor gauge modes

Are you looking for the best basement air purifier? In that case, the Winix 5500-2 can be the ideal one for you! Fortunately, you can use it either manually or automatically. In the manual mode, you will get 4 fan speeds! The low, medium, high, and turbo will help you enjoy the maximum benefits. 

Our recommended air purifiers always work well. This satisfactory remark is from our customers! So you can rely on the device without any doubt! The smart automatic sensors and auto mode have defeated other modern technologies.

The sensors are capable of monitoring the air-condition of your basement. They show the present condition of air through the LED indicators. So you need not check manually whether the inside air is okay or not! 

This luxurious device also contains a sleep mode. It allows you to sleep at night peacefully without making any noise! Therefore, you can buy it to enjoy sound sleep at night. And of course, you will have a filter replacement indicator. That is why you need not check the filters frequently. Follow the sign and simply change them as soon as the indicator signals. How convenient, that is!

  • The “high” and “ultra” fan settings
  • The purifier worked beautifully and quickly cleared
  • Effectively gather and eject air over a much smaller radius
  • Lightweight enough to carry easily
  • Attractive to look at
  • Not perfect for a larger space

4. Honeywell HPA300 True HEPA Air Purifier

Honeywell HPA300

Key Features:

  • The true HEPA allergen remover for abolishing 99.97% air particles
  • Capable of detecting components as tiny as 0.3 microns
  • Includes 3 cleaning modes with a Turbo mode
  • Cleans the area 5 times per hour
  • Includes replaceable true HEPA filter

Indeed, an air cleaner for basements is so essential. Which is why you should buy a perfect one for that! Otherwise, it may cause dangers for you. This time, we have come up with the best air purifier for large rooms. 

Yes, dear, I am talking about the Honeywell HPA300. It can easily cover 465 square feet. Can you imagine that? It has every feature that a modern air purifier should have! Let’s know about it in detail.

You know that the best HEPA air purifier for bedrooms always keeps you away from airborne diseases. This true HEPA allergen remover will not dishearten you at all! It can catch 99.97% of air particles without any doubt.

Also, it’s capable of detecting components as tiny as 0.3 microns. What are you waiting for then? Just buy it and enjoy a danger-free life! Goddamn! You will not repent after the end of the day. Amazingly, this version has included 3 cleaning levels!

Honestly, the glamorous purifier works through a turbo mode, too. So, the device is highly suitable for reducing odors and particular germs. Why will you go beyond this life-changing product then? Listen, it can improve air quality and remove harmful air particles effectively!

You know the brand Honeywell always makes high-quality products. So if you want a dehumidifier for your basement, you can undoubtedly rely on this brand. What’s more? The filter it contains can quickly make the inside air freshener, and leaves hardly allergens! Therefore, you can depend on the machine with ease!

  • The 1st level GERM is virtually silent
  • The 3rd and 4th levels offer superior airflow
  • Very cool control panel
  • The ability to turn the blue light off on the control panel
  • High performance
  • The sensitivity should be more improved

5. GermGuardian AC4825E Air Purifier

GermGuardian AC4825E

Key Features:

  • 4 in 1 air purifier with 22 inches true HEPA air filter
  • UVC light for killing germs and viruses
  • For unwanted odors – Activated charcoal filter
  • 4x speed can purify up to 167 square feet per hour
  • Low setting mode for quiet operation

You may have read a variety of bedroom air purifier reviews. But what’s about the basement? You must not neglect the area as it is the store-house of harmful airborne particles. In that case, the GermGuardian air purifier can ease your pressure a lot. Don’t worry about the product. It’s simply great!

Honestly, this 4 in 1 purifier can effectively catch 99.97% of mold spores, pet dander, pollen, dust, harmful germs, and all types of allergens. You need not worry about the perfectness it has because it can capture particles as tiny as 0.3 microns without any hindrance! Do you want more? Let’s have a look!

Are you truly anxious about airborne viruses? What are you waiting for then? The UVC light of this GermGuardian can kill rhinovirus, staph, and influenza fairly well. Furthermore, as it uses titanium dioxide, you should not think much about volatile organic compounds as well. Above all, you should not go beyond this best air purifier for basements. 

  • This unit did an excellent job clearing dust while on the low setting
  • Easy to assemble and disassemble
  • The black pre-filter kills odors finely
  • It’s very portable as it has a handle to carry
  • Attractive look and also great for room decoration
  • The main HEPA filters are costly to replace

Buying Guide: Things to consider before buying

Not all the air purifiers are fit for you. If you buy an inappropriate one, your sufferings will no bounds! Hence, you should consider some aspects before making the final decision. Here are some tips for you. We hope they will help you better than ever! Let’s see:


This one is the most important one to consider. When you buy a product with less coverage than your need, you have to repent soon. As you are going to buy an air purifier for your basement, you have to buy one having an extensive area coverage. The basements are naturally large. So we always recommend our customers examine this section with a high-attention.


The filtration is another essential aspect you should also consider with extra attention. You will get different types of filters on the market. Not all of them work well! If you buy one of them, it will be a mere wastage of money! That is why we always suggest our customers purchase an air purifier containing a true HEPA filter. And of course, you should check whether it includes an activated carbon filtration system. It will allow the device to remove odors from the area. Moreover, using UV light with it will enable the machine to kill germs and viruses! 


 You will get air purifiers with an automatic or manual mode. Also, there are devices with both modes. An automatic mode can adjust the device automatically to the air quality. So sometimes, it needs to run the fan faster and sometimes lower. Plus, it helps you save electric bills. On the other hand, manual mode cannot adjust the device according to the circumstance. In that case, you have to operate the machine. Naturally, you cannot understand the present air condition and will run the tool at full speed. This mode will need more energy then. But to avoid all types of problems, you can buy an air purifier with both modes. 


An unusual noise disrupts a peaceful environment. Sometimes, you will feel uneasy, and the sound can put pressure on your brain! And I should not talk about the sound sleep at night because you are well-aware in this regard. That is why I request you to examine the feature with interest. Otherwise, you have to suffer a lot.


An easy to maintain product can ease the pressure of using the machine. Most often, you have to clean it for better performance. If it’s difficult to assemble, the cleaning process will be more difficult. Another important thing is to change the filter. What if you face difficulties then? It must put pressure on your peaceful life. Therefore, you have to consider these matters carefully.

The Conclusion

All the best air purifiers for basements stated above are highly suitable for you. But you should buy one according to your demand. Otherwise, it may be a wrong buy for you! Of course, you can choose any. All of them are high-quality.

Or you can ask me. In that case, I will suggest you buy the Alen BreatheSmart Classic Air Purifier. All the parts of it are selected with care! Apart from that, it performs well and is so durable that you can use the device for ages!

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