Best Air Purifier for Allergies in Nov 2021

Are You Looking for an Allergy Air Purifier?

Discover Which Allergy Air Purifier Is Exactly What You Need Here. Read the Reviews…

Nov 2021 Update: The ByPurify team is pleased to announce our updated allergy air purifier picks for 2021.

Air Purifiers for Mold Reviewed & Compared

I believe that you will agree with me when I say:

It’s REALLY hard to select the best air purifier for allergies with all the other products that are out in the market!

Or is it?

In this year alone… over 25 new allergy air purifiers have entered the market, and we’ve reviewed all of them to work out which is the best.

Well, it turns out, that after centuries and thousands of hours of testing & reviewing, we have defined opinions about what makes our air purifier for allergies: air filter, high cleaning air rate, activated carbon filter.

And the good news?

The IQAir Health Pro Plus (On special until end November 2021) all the above qualities and elements thus giving it a finer edge over its competition. We like that the Pro is quiet and cleans out pretty much every particle in the air. The Pro Plus is different because it provides 32% less noise. It provides you with up to 25% cleaner air and has 38% filter. It’s currently the high-performance. Don’t you like that?

Simply put:

If you want to keep the air of your home clean and healthy, your best bet is with a air purifier that is easy to use and effective. Make sure you avoid cheap knock-offs, and get the IQAir Health Pro Plus from the leading supplier at the lowest cost we’ve been able to find as of Nov, 2021.

If you’re in a hurry and don’t have the patience for the details, here are our recommended allergy air purifiers.

Overall Winner: IQAir Health Pro Plus – Allergies, Pets, Asthma, Odors, Smoke, Pollen, Dust (Our All-Time Favorite Allergy)

We have just updated this page to include a bunch of interesting releases that are trending at the moment. We hope that they should assist you in your journey to find the ideal one for your needs.

Features We Looked At

If you’re in the market for a new air purifier, you’re probably looking at the different options and wondering which is the top purifier to choose. Don’t worry, we got you covered.


Only the most effective purifiers make the cut.

Noise Level

So there's more clean air and less noise.

Noise Level

So there's more clean air and less noise.

Ease of Use

It needs to be easy to use and easy to clean.

Features Table


IQAir [HealthPro] Medical-Grade Air Purifier


RabbitAir MinusA2 UltraQuiet HEPA Air Purifier


Dyson Pure Hot + Cool Purifier with Remote


Honeywell HPA300, Allergen Remover


Honeywell 50250-S True HEPA Air

Detailed Reviews of the Top Allergy Air Purifiers of Nov 2021

IQAir Health Pro Plus Air Purifier – Most Effective for Allergies

IQAir Health Pro PlusThis air purifier weighs in at about 29 pounds, and its size is around 16 x 15 x 28 inches. 

However, the IQAir Health Pro Plus is unlike any other of the air cleaners because it has 32% less noise. 

This is great for those noise-sensitive people. It gives up to 25% purer air and gives you 38% more filter life.

It is currently one of the quietest high-performance air cleaners. And it’s great for allergies. Who wouldn’t want that in their home? The IQAir Health Pro Plus was rated number 1 of the room air purifiers on the market. Why? Due to its multiple chemical sensitivity (MCS) & tobacco smoke removal power.

The IQAir Health Pro Plus air purifier was also proven to be a medical-grade air filtration machine. It’s 100 times more effective than the HEPA air purifiers on the market, which says a lot.

Only the IQAir’s exclusive HyperHEPA filters can stop ultrafine particles (down to 0.003 microns) from staying in your home. This is the filtration system you’ve always been looking for! It’s such a powerful filtration system. It covers a room of up to 1,125 square feet (or 104.5 square meters). This is a machine for those large or even extra-large rooms for sure. And you won’t have to move it around your house to different places because it’s so useful!

Pros: We like the fact that it’s noise-free and it cleans out pretty much every particle in the air, keeping your family free from allergies and unwanted germs.

Cons: Since it’s one of the high-end units, you might need a bigger budget to purchase it. However, because it’s so useful and impressive, it’s worth i. Besides, your health is a lifelong investment. Isn’t it?

Want to learn more? Read our full IQAir HealthPro Plus review.


RabbitAir MinusA2 – Air Purifier for Pet Allergies

RabbitAir MinusA2When it comes to air purifiers, they’re known to be bulky, unattractive and noisy. 

Not this one. 

The Rabbit Air’s MinusA2 is designed to be adaptive to and to complement any space. 

How does that work? It has a screen that can be changed to any picture or display you choose. It complements any room brilliantly!

There’s never been anything quite so remarkable on the market! It can serve all your aesthetic needs and adapt to any area by simply hanging it on the wall. It’s about the size of a medium frame, and it fits in so well with anything.

As if that’s not enough, it’s ideal for allergies as well. You can control this beauty through WIFI controls which also monitor the air of your home.

But here’s the kicker:

It’s an ideal air purifier for cat allergies! It’s excellent for cleaning the air of homes with pets effectively. You can also select a filter to meet your needs by tailoring its filtration power. Create the set up for the comfort of your own home.

Pros: We love the fact that you can tailor this air cleaner for allergies or asthma. It’s also wonderful to have around if you have pets whose hair and fluff dirty your air. Pets also bring in dust and allergens from outside. However, this fantastic and practical gadget will sort out that problem right away. It’s also adaptive to your space by either placing it on the floor or hanging it on the wall. And what great value for money!

Cons: The Rabbit Air MinusA2 is expensive, but when you consider the long-term results, you will realise that it’s an excellent choice for you and your family for allergies and overall health and wellbeing as well.

Want to learn more? Read our full Rabbit Air MinusA2 780A review.



Dyson Pure Hot + Cool Purifier – Purifier with Remote

Dyson Pure Hot + Cool PurifierThe Dyson’s Pure Hot + Cool air purifier is the gadget of your dreams! It purifies your home or office all year-round from allergies, and it serves as a fan in summer or a powerful heater in winter. It can be powered with a remote, it connects to your WIFI and can also use Alexa. You can also control it using your mobile phone. 

Better yet: it has an auto mode, sleep timer, night-time mode, and it’s super easy to clean and maintain. With no fast-spinning blades, it’s also a very safe fan for little ones’ fingers or your pets’ paws.

If you’re concerned about your décor, fear not! This beauty comes in a variety of colours, so it’ll match your interior well. It’s also tiny so that it won’t take up too much space in your home. It’s only 8.7 x 6 x 24.88 inches.

It has a fantastic HEPA filter that gets 99.97% of particle and pollutants, the size of 0.3 microns, including pollen1, dust, spores, bacteria, and pet dander. For those reasons, the Dyson’s Pure Hot + Cool air purifier is Certified Asthma and Allergy Friendly, and it’s been awarded the Quietmark accreditation as well. So your health is in excellent hands.

Pros: This unit is 3-in-1 with a cleaner, heater, and a fan. You can customise the airflow as well. It’s such a great all-in-one gadget to have in your home. It wouldn’t make sense buying anything else.

Cons: The app doesn’t so work with a private IP address.

Want to learn more? Read our full Pure Hot + Cool HP02 review.


Honeywell True HEPA HPA300 – Air Filter for Allergies

Honeywell True HEPA HPA300The HPA300 Honeywell New Energy Star Qualified uses the True HEPA filter and the Allergen Remover that can viably catch 0.3 sized microns and bigger particles, removing 99.97%. 

This HEPA air purifier has three air cleaning levels + Turbo Clean. 

All these particles pass through the filtration channels, and you end up with clean, pure air. 

All this in a compact size of 9.25 x 20 x 22.25 inches. It also comes in the chic colour option: black.

The Allergen Remover component in the air purifier is exceptionally viable at catching particles, such as dust, smoke, pet dander and mould spores in rooms covering around 465 square feet. Unlike some cleaners, this one is great for extra-large rooms. It cleans those big room effectively, so you don’t have to keep moving it around the house to get your desired clean air.

The odour pre-filter can decrease foul smells, germs, VOCs and allergens. It also provides simple tap controls and a programmed shut-off clock to make your life easier. The Honeywell HPA300 Air Purifier filters and circulates air up to 5 times an hour or 120 times per day. You can breathe peacefully, knowing the air in your home is cleaner and has a lot less harmful allergens floating around your house.

The Honeywell HEPA Air Purifier is the best as recommended by allergists. It also won first place with the Doctor’s Choice. Backed with a 5-year warranty, this Honeywell air purifier is a trusted partner in the war against unwanted dust and airborne particles.

Even though many filters can work in this gadget, it’s recommended you only use Genuine Honeywell air purifier filters for the best performance. Compatible air purifier filter replacements are not guaranteed to offer the same performance or efficiency.

Pros: The HPA300 Honeywell New Energy Star Qualified is very durable, long-lasting with the least up-keep needed. It is excellent for removing dust and allergens, so your lungs will be healthy as ever, and your sneezing down to a minimum.

Cons: The HPA300 Honeywell New Energy Star Qualified has multiple units that might be needed to cover the house entirely.


Honeywell 50250-S – True HEPA Air Purifier for Dust

Honeywell 50250-SThe Honeywell’s 50250-S is voted the most popular air purifier on our side. 


It might be because it has three controls that you can choose to reduce pollutants in the air in large rooms. 

This means that you probably won’t be needing to buy multiple cleaners to clean up your air, which is always a plus, and a money saver.

This beauty can works wonder in a room of about 390 square feet. It’s a reasonable size. It won’t stand out like a sore thumb with its 18 x 18 x 19 inches. Even being so small, large rooms aren’t a problem with this machine around. Large rooms in your house will be thoroughly cleaned for sure.

It’s the brilliant HEPA filter which traps up to 99.97% of dust particles as tiny as 0.3 microns, which in other words are two hundred and fifty times smaller than the width of a human hair. It also removes viruses from your lovely home, making it even more cosy and luxurious to live in. So, it’s super convenient that this machine cleans up for you, even the things you don’t even see with the naked eye.

And the best part is that the filter is long-lasting that you only need to replace it every three to five years. Compared to other filters which need to be replaced sometimes as often as every three months! The Honeywell’s 50250-S is such money and time-saver!

Pros: It’s so easy to change the pre-filter of the Honeywell’s 50250-S! The HEPA filter is also very durable. Maintenance is cheap, which is also convenient. We also like that it removes up to 99.97% of toxins in the air, making it a very reliable air purifier you can always count on.

Cons: The Honeywell’s 50250-S can be a bit on the noisy side, but only if you choose the other two stronger levels. The lowest power level is relatively silent. So all in all, not such a big con.


Final Verdict

In compiling our list of air purifiers for allergies, we evaluated each purifier on the basis of its ability to clean the air and reduce toxins such as smoke, odours, pet dander, dust and mold.

Looking for a Specific Type of Air Purifier?

Want to weigh your options first, before committing to an allergy air purifier? Check out our other air purifier guides.

You may also like:

Related Articles

Scroll to Top

Written by
Mark Johnson
Cleaner Living Expert

Mark has discovered how a clean environment can help in preventing certain air born diseases, allergies and asthma. These days, Mark’s mission is to help businesses, individuals, and families find easy solutions for creating a healthy and safe work and living space, no matter your health condition.