Top 10 Best Air Purifiers for Allergies 2021 – Reviews & Buyer’s Guide

There are different kinds of air purifiers if you want to choose the best air purifiers for allergies you must be familiar with the kind of features offered by a particular air purifier and price as well. Do you know that most of the air purifiers release some kinds of hazardous gases that damage our Ozone, Always try to choose the ozone-friendly air purifiers?

Top 10 Best Air Purifiers for Allergies 2021 - Reviews & Buyer's Guide

Top 10 Best Air Purifiers for Allergies 2021 – Reviews & Buyer’s Guide

The Coronavirus has made us more aware of the need to have clean and pollution-free air. The fact that this pandemic started during the flu period made us even more susceptible to it. Apart from the flu and the coronavirus to be considered, there are also allergies. This definitely does cause a lot of discomfort to those who have it.

Now if your allergies are air-related it might be a little bit more challenging to deal with as compared to those who have food allergies. Well, that’s why air purifiers were made. They clean the air and take out pollutants and allergens from them. As long as you are in an enclosed space you can determine the kind of air you’d like to breathe. So today we’ll be looking at some of the best air purifiers for allergies at the moment.

Top 10 Best Air Purifiers for Allergies 2021

1.Blueair Blue Pure 211
Dimension: 16.7×8×8 in
Weight: 13 pounds
Coverage: 161 sq. ft.
2.Bissell Air400
Dimension: 16.13×9.75×24 in
Weight: 22.82 Pounds
Coverage: 1200 sq. ft.
3.Coway Mighty Air Purifier
Dimension: 16.81×9.57×18.31 in
Weight: 12.35 Pounds
Coverage: 361 sq. ft.
4.Hamilton Beach Air Purifier
Dimension: 10.84×8.08×16.43 in
Weight: 6.3 pounds
Coverage: 140 sq. ft.
5.Levoit H13 Air Purifier
Dimension: 8.5×8.5×14.5 in
Weight: 6.45 pounds
Coverage: 100 sq. ft.
6.TaoTronics Air Purifier
Dimension: 12.8×6.8×19.7 in
Weight: 12.56 Pounds
Coverage: 322 sq. ft.
7.OkaySou Air Purifier
Dimension: 8.7×8.7×11.9 in
Weight: 6.6 Pounds
Coverage: 300 sq. ft.
8.Eureka Air Purifier
Dimension: 6.89×10.08×26.57 in
Weight: 15.62 Pounds
Coverage: 222 sq. ft.
9.Alen BreatheSmart FLEX
Dimension: 19x16x28 in
Weight: 20.4 Pounds
Coverage: 700 sq. ft.
10.Aeramax 100 Air Purifier
Dimension: 8.5×7.25×27.25 in
Weight: 9.24 Pounds
Coverage: 200 sq. ft.

1. Blueair Blue Pure 211 – Air Purifier with Washable Filter 2021

Blueair Blue Pure 211


  • Dimension: 16.7×8×8 in
  • Weight: 13 pounds
  • Coverage: 161 sq. ft.
  • Color: White & Black
  • Fan Speed: 3
  • Sound level: 17-46 db
  • Air exchanges per hour: 5

What We like:

  • Sturdy and Sustainable design
  • User-friendly and easy to use buttons
  • Air purifier removes allergy causing odors and pollutants
  • 3 stage filtration process
  • Washable fabric pre-filters

Blueair Blue Pure 211 Review:

Looking for something that will help take care of your allergies, you might not have to look much further. The Blue air purifier was made just with such issues in mind. It’s a 3 step purifier. It features two washable pre-filters, Particle filters and then carbon filters.

Do you know what these do? They help to trap first and foremost allergens, then they also trap smoke, dust, pollen, mold, germs, and many more. This would work in a large room and it can also help to protect you from secondary smoking. The activated carbon filter helps to trap poisonous gases. It takes care of bad odours and guards you against germs in the air.

It is made with an advanced Swedish design, which is able to absorb about 99% of pollutants in the air. The maintenance of the pre-filters is easy. They can be cleaned in the washer as long as it runs on a gentle low-temperature cycle.

Our Verdict: Blueair Blue Pure 211 is the most decent air purifier that has amazing filtration process and washable filters that are easy to use, you don’t need to change the filter every time, it is amazing and makes it one of the best air purifiers in 2021, size is so nice that it can fit at any place.

2. Bissell Air400 – Professional Air Purifier 2021

Bissell Air400


  • Dimension: 16.13×9.75×24 in
  • Weight: 22.82 Pounds
  • Coverage: 1200 sq. ft.
  • Color: Black
  • Fan Speed: 5
  • Sensor: PM 2.5

What We like:

  • Air purifier covers more than 1200 sq. ft. of area
  • Powerful mechanism
  • Timer 1/4/8 Hrs
  • Auto sleep mode
  • Amazing digital DC motor

Bissell Air400 Review:

This is an Amazon choice product. Of course, you know what that means. A lot of people have used the product and found out that it does live up to expectations. The Bissell Air400 is a 3 stage HEPA filtration system. It’s capable of capturing up to 99.97% of 0.3 microparticles and even smaller.  For those who have big rooms, this is a product you’d love. It’s built to cleanse the air in a room as big as 1200 sq ft. it’s great for bedrooms, basements, living areas, and even basements.

It also purifies the room in an automatic manner, that as the quality of air reduces, the fan speeds up so as to raise the quality of air in the room. It captures common odours and allergens. It takes care of pollen, pet dander, VOCs, dust, odours, smoke, and more. As for sound, this product is quiet; it won’t disturb your sleep. The design is very simple and it would fit in most parts of the house.

Our Verdict: You have been looking for an air purifier that can cover more space, especially for offices and shopping malls, we need a purifier to purify the air without any issue, Bissell Air400 is designed for large rooms that’s why we call it the professional air purifier, no other air purifier can cover such a huge space.

3. Coway Mighty Air Purifier – Best Small Air Purifier 2021

Coway Air Purifier


  • Dimension: 16.81×9.57×18.31 in
  • Weight: 12.35 Pounds
  • Coverage: 361 sq. ft.
  • Color: Black
  • Fan Speed: 3
  • CADR: 246/240/23

What We like:

  • Superb Ion System
  • 3 fan speed
  • Timer for 1, 4 and 8 hours
  • Indicator to replace filter
  • Air quality indicator
  • Auto mode

Coway Mighty Air Purifier Review:

The Coway fits in smaller rooms, here we’re looking at sizes of like 361 sq ft. it comes with a four-stage filtration process that is capable of taking care of the majority of pollutants in the air, even those as small as 0.3 microns. Looking for a way to know the quality of air in your room in real-time, Coway AP offers that feature.

It comes with a sensor that is able to communicate the quality of the indoor room. This it does through brightly coloured LED letting you know how clean or dirty the air is every minute of the day. As for fan speed, you can set it up manually or it can automatically change based on the quality of the indoor air. This appliance comes with an energy-saving feature, so when bad air hasn’t been detected for a while, it goes into energy-saving mode. When it’s time to change both filters and pre-filter the appliance indicates.

Our Verdict: Design is superb and decent with astonishing features, never underestimate this small little beast as it comes with countless features and allows you to purify the air, the alert system will help you to replace the filter and check air quality. This is the small air purifier for a small room.

4. Hamilton Beach Air Purifier – Air Purifier for Offices 2021

Hamilton Beach air purifier


  • Dimension: 10.84×8.08×16.43 in
  • Weight: 6.3 pounds
  • Coverage: 140 sq. ft.
  • Color: White
  • Fan Speed: 3

What We like:

  • High-performance filters to clean air
  • Air purifier eliminates pet odours
  • Use in any place either vertical or horizontal
  • Ultra-quiet
  • Save money and time

Hamilton Beach Air Purifier Review:

Apart from taking drugs and avoiding situations that trigger your allergies, another way to take care of your allergies is by having clean air. Especially if they are air related. Some of the physical discomfort that allergies cause include eyes being irritated, sneezing, and skin discomfort. One way to take care of this to purify the air that’s in your home and office. Now that’s what the Hamilton Beach air purifier does. It works for the home or office and features a permanent HEPA filter.

The filter helps to trap allergens, pet dander, and other airborne particles. It works with a 3 stage filtration process. 2 replaceable carbon zeolite filters are also included and they help to trap gases. So unpleasant odours, dangerous fumes, smoke, and more are absorbed by the carbon zeolite filters. This unit is very versatile; you can position it either horizontally or vertically. It has an effective cleaning area of 140 sq feet. Now, this is not much, but then considering the amount this goes for, it’s totally worth it.

Our Verdict: Hamilton Beach air purifier comes with all necessary features to provide you with quality air and it is also cheap and affordable. You can place it horizontal and vertical position whatever you like.

5. Levoit H13 Air Purifier – Best Air Cleaner 2021

LEVOIT Air Purifier


  • Dimension: 8.5×8.5×14.5 in
  • Weight: 6.45 pounds
  • Coverage: 100 sq. ft.
  • Color: White
  • Fan Speed: 3
  • Sound level: 25dB
  • Timer: 2/4/8/12

What We like:

  • Best air purifier for allergies, dust, smoke, Pet Dander & odours
  • Quite & simple
  • Attractive design
  • Nightlight
  • New ARC Formula for Pet Families

Levoit H13 Air Purifier Review:

A beautiful name for a beautiful air cleaner. The first thing that would attract one to the Levoit H13 air purifier is the fact that it looks very good. It could be used as part of the home décor, and that would not be out of place. The makers of this appliance also have ozone considerations. Ozone could be dangerous to human health, and some of the UVC lights and anion that some brand use in purifying air, could give off a dangerous kind of ozone.

This type of ozone if really harmful to asthmatics and children.  Levoit uses another purification method that is ozone free. With an advanced 3 stage filtration process, neither allergens nor large dust particles can run rampage in the house. This air purifier has an ultra-silent operation, it works at 25dB so that you can enjoy your sleep.

Our Verdict: This is a wonderful air purifier with an ozone-free feature that is really nice and unique for eco-friendly environment, do you know that most of the air purifiers release some gases than damages our ozone, Levoit H13 Air Purifier is the best choice in this case.

6. TaoTronics Air Purifier – Best HEPA Air Purifier 2021

TaoTronics Air Purifier


  • Dimension: 12.8×6.8×19.7 in
  • Weight: 12.56 Pounds
  • Coverage: 322 sq. ft.
  • Color: White
  • Fan Speed: 4

What We like:

  • Outstanding 3-Stage Filtration
  • Auto mode, time and sleep mode
  • Superb air quality indicator
  • Air purifier helps with Wildfire Smoke
  • True HEPA H13 filter

TaoTronics Air Purifier Review:

Looking for a way to sanitize the air in your environment, without much stress on your part? The Taotronics HEPA air purifier might just be that thing that you need. This air filter is renowned for its efficient mode of operation and its ease of use. it’s a four in one air purifier. It has decent functions that allow you to set a timer, auto mode, sleep mode, and others that most of the air purifiers are not offering right now.

Now what the sleep mode does is to reduce the sound that the machine makes so that you can sleep soundly. This also leads to a reduction in the operating power of the machine. For auto mode, the appliance regulates the speeds of the fan based on how much impurity is in the air. so this could be low, medium, high, and turbo speed. You can also select a mode that you think is suitable manually. The Taotronics HEPA has a CADR rating of 300m3/h, and it would effectively serve a room that is about 30 m sq in area. It can fit into all parts of the house.

Our Verdict: TaoTronics air purifier is really great and new in the market but has pretty amazing features allowing you to keep your family safe from wildfire smoke, germs, and viruses.

7. OkaySou Air Purifier – Best Ozone Free Air Purifier 2021

OkaySou Air Purifier


  • Dimension: 8.7×8.7×11.9 in
  • Weight: 6.6 Pounds
  • Coverage: 300 sq. ft.
  • Color: White
  • Fan Speed: 3
  • Sound level: 24–51 db

What We like:

  • Sleep and Night light mode
  • Filter indicator to change filter
  • CARB certified
  • Pet allergy, germ defence, toxic absorber, odour remover
  • Noise-free option

OkaySou Air Purifier Review:

Allergens, especially those in the air can disrupt someone’s day, and cause a lot of discomforts. The OkaySou was specially designed to protect you from allergens and all the discomfort that it could cause. The Okaysou AirMic4S comes with a medical-grade HEPA filter; it works better than your normal HEPA filter.  Therefore, you can have your allergies taken care of. The medical-grade filtration system is able to capture harmful gases such as VOCs, Ammonia, formaldehyde, smoke, household odours and more.

It will also trap larger particles such as pollen grain, animal dander, dust, and other airborne particles. It will trap up to 99.97 percent of airborne particles, even those which are as small as 0.3 microns. To make your purifier last longer, the makers of this appliance included 4 replacement filters. Four different kinds actually depending on your needs. You can have this machine also work in the silent mode, which is at night when you want to go to bed.

Our Verdict: This Air purifier comes with a medical-grade filtration system and Whisper-Quiet Sleep Mode is so amazing that smartly purify the air without creating noise, I like the features and would suggest you buy this one.

8. Eureka Air Purifier – Air Purifier with Carbon Filter 2021

Eureka Air Purifier


  • Dimension: 6.89×10.08×26.57 in
  • Weight: 15.62 Pounds
  • Coverage: 222 sq. ft.
  • Color: Black
  • Fan Speed: 3
  • Sound level: 32 db

What We like:

  • The decent and stylish shape
  • 3-in-1 True HEPA Air Cleaner
  • UV LED
  • Ultra-Quiet Sleep Mode
  • 3 fan speed

Eureka Air Purifier Review:

The Eureka instant clear air purifier is able to help protect you from your allergies, especially those that are air related. The appliance has a true HEPA filter that helps to trap 99.7% of dust, allergens in the air, pollen, pet dander, and more. Even if the pollutant particle is as small as 0.3 microns, this true HEPA filter will be able to trap it. Apart from the HEPA filters, it also includes activated Charcoal filters.

Now, this helps with the absorption of unwanted gases, such as Ammonia, Formaldehyde, cooking fumes, smells from pet litter, and also bad air circulations during winter. The Eureka air purifier can also do more. It can take care of mold and germs and then when the HEPA filter and charcoal filter are paired with Titanium oxide, it would now be useful in reducing bacteria, viruses, mold spores, and more. It works for rooms that are about 222 sq ft or lesser in size. This doesn’t mean you can’t use it for a bigger room, but then it won’t be as effective as one would expect.

Our Verdict: Look at the price, not all of the air purifiers are so cheap, this air purifier is amazing with respect to affordability and features. Eureka Air Purifier is one of the best air purifiers under 100 dollars, you must look at the price and features offered, this would be the smart choice in every possible way.

9. Alen BreatheSmart FLEX – Best Smart Air Purifier 2021

Alen BreatheSmart FLEX


  • Dimension: 19x16x28 in
  • Weight: 20.4 Pounds
  • Coverage: 700 sq. ft.
  • Color: Oak
  • Fan Speed: 4
  • Sound level: 39-55 db

What We like:

  • Large area coverage of 700 sq. ft.
  • Removes allergens, viruses, pollen, and mold
  • H13 True HEPA
  • Efficient cleaning system
  • Portable air purifier

Alen BreatheSmart FLEX Review:

Coming in several colors, this air purifier is very well designed, aesthetics wise, and comes in some beautiful colors. We particularly love the oak color and we also love the fact that it comes with a wide coverage area. It is efficient within 700 square feet of space or lesser. And then it comes with a turbo mode which would clean the air twice as fast as what is now regarded as the industry standard.

With the sleek design, this appliance can fit into any room in your house. It would serve well in offices, nurseries, living rooms, bedrooms, and more. When it comes to the purification of air, the Alen breathesmart does it well and quickly. It’s good for taking care of dust, pet fur, bacteria, mold and other pollutants in the air.  Included in the filtration system is an antimicrobial to help destroy germs, bacteria, and fungi that could be found in the atmosphere.

Our Verdict: Do you want the best portable air purifier, definitely, Alen BreatheSmart FLEX has an amazing filtration process to clean the air and it also covers more space you can check out the additional features, like other air purifiers, it is quiet and easy to use.

10. Aeramax 100 Air Purifier – Air Purifier with HEPA Filter 2021

Aeramax 100 Air Purifier


  • Dimension: 8.5×7.25×27.25 in
  • Weight: 9.24 Pounds
  • Coverage: 200 sq. ft.
  • Color: White
  • Fan Speed: 3

What We like:

  • Stylish Tower shape
  • Slim and sleek
  • Affordable and cheap
  • True HEPA and Carbon Filter
  • Purify the air automatically

Aeramax 100 Air Purifier Review:

Who said air purifiers cannot look good? Well, the makers of the Aeramax 100 have shattered that notion. This appliance looks good to behold, but that doesn’t take away anything from its performance. The Aeramax 100 has been renowned for its ability to remove pollutants from the atmosphere quickly and without stress. It features different modes which help to achieve this quickly. It comes with a True HEPA filter which also includes filters with antimicrobial action which helps to take away germs, bacteria, and microbes from the atmosphere so that your allergies don’t get triggered.

This very powerful filtration system works to remove dust particles, ragweed, pollen grain, mold, dust, and any other kind of pollutants from the air that you breathe in. Apart from these allergy triggers, odours, poisonous gasses are also taken care of by this appliance. It comes with a special high-performance mode that can be used in flu or allergy season. You can switch to an automatic or manual mode that depends upon your usage. Where the fan speed increases proportionally to the number of pollutants in the atmosphere.

Our Verdict: Most of you are not familiar with Aeramax 100 Air Purifier, let me tell you that it is the cheap air purifier that has all elegance and unique features that will help you to improve the air quality, reduce allergens and viruses.

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Jessica Robert

Jessica Robert is a 22 years old Blogger from Romania. She is doing Masters in Advanced Computer Architectures from the Politehnica University of Bucharest. She started her online career from upwork, now she is doing blogging for the last couple of years. She is a passionate writer by mind and soul. Read more about her.

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