Top 10 Best Air Purifiers For Home 2021 – Reviews & Buyer’s Guide

The world is facing a pandemic; we’ve never experienced anything like this before. And this virus according to some recent findings by the WHO staying is airborne. Therefore, there’s no other time than now that one needs to have the air he breathes purified. One can wear a mask outside, that’s the right thing to do, and however, it’s going to be a bit obstructive indoors. That’s why you need air purifiers; they take care of the dangerous substances in our air so that we can breathe in good, clean, and safe air.

Top 10 Best Air purifier for home 2021 - Reviews & Buyer's Guide

Top 10 Best Air purifiers for home 2021 – Reviews & Buyer’s Guide

Air purifiers are home appliances that are useful in the elimination of contaminants and pollutants from the air in an enclosed space. Those with allergies and also those who are asthmatic are one of the people who need this most. Although what we are looking at today are home air cleaners, they definitely come in commercial grades too. These can be used in factories and other commercial areas.

Top 10 Best Air purifiers for home 2021

1.Hathaspace Air Purifier
Dimension: 13.5x7x19.5 in
Weight: 12 Pounds
Coverage: 350 sq. ft.
2.Coway Air Purifier
Dimension: 16.81x9.57x18.31 in
Weight: 12.35 pounds
Coverage: 361 sq.ft.
3.Winix Air Purifier
Dimension: 15x8.2x23.6 in
Weight: 15.4 pounds
Coverage: 360 sq.ft.
4.Molekule Air Purifier
Dimension: 0.0x8.25x32.00 in
Weight: 125.8 pounds
Coverage: 600 sq.ft.
5.Alen BreatheSmart Air Purifier
Dimension: 19x16x28 in
Weight: 20.8 pounds
Coverage: 700 sq.ft.
6.Dyson Pur Hot + Cool Air Purifier
Dimension: 9.76x8.07x30.08 in
Weight: 19.14 pounds
Coverage: 290 sq.ft.
7.Levoit Air Purifier
Dimension: 8.7x8.7x14.2 in
Weight: 8.88 pounds
Coverage: 219 sq.ft.
8.Germ Guardian Air Purifier
Dimension: 9.06x6.69x27.56 in
Weight: 11.1 pounds
Coverage: 167 sq.ft.
9.ASIWO Air Purifier
Dimension: 16x10x10 in
Weight: 5.19 pounds
Coverage: 161 sq.ft.
10.Okaysou AirMic4S
Dimension: 8.7x8.7x11.9 in
Weight: 6.6 pounds
Coverage: 300 sq.ft.

1. Hathaspace Air Purifier – Best air purifier in 2021

Hathaspace Air Purifier


  • Dimension: 13.5x7x19.5 in
  • Weight: 12 Pounds
  • Coverage: 350 sq. ft.
  • Color: White

What We like:

  • Decent Design and shape
  • The air purifier can pick Pet Hair & Dander
  • It destroys 99.97% of allergens and pollutants
  • 5 stage filtration process clean the dust particles
  • Cold Catalyst Filter
  • Hathaspace includes True HEPA Filter
  • Awesome air quality sensor that detects the quality
  • Easy to use with remote control
  • Unique Quiet Sleep Mode

Hathaspace Air Purifier Review:

The Hathaspace Smart True is a 5 in 1 large room purifier. It helps to protect the air in your home. It filters the air, allergens dust, pollen, mold, smoke, pet dander, volatile compounds, and more. This home appliance takes care of the particles that are unseen to the eye; it comes with a true HEPA filter which helps to filter out 99.97% of particles as small as 0.3 microns. Hathaspace air purifier cleans the air sharply and makes it the natural one.

Those who suffer from asthma or other respiratory illness would find this very helpful. Installing this could eliminate incessant sneezing, coughing, and even irritated eyes. How about odors and smoke? this air purifier has all kinds of elegant features that will help you to purify the air smartly. It eliminates smoke and odors. No one likes bad odors, they could come from a host of activities that probably cannot all be controlled. Just as smells from litter boxes, cigarettes, old homes, furniture, and more. This HEPA air purifier absorbs gases and smokes also. It comes with an automatic air sensor system that then decides how fast the fans should run.

Our Verdict: All in all, if you want to buy a decent air purifier, Hathaspace Air Purifier has all the necessary features which every one of you will like to have, moreover, this air purifier will be enough for a large room. Do you know that not many of the air purifiers work great with consistent performance but Hathaspace gives you everything to clean your air like natural fresh air, pollution-free fresh air?

2. Coway Air Purifier – Air purifier for small room

Coway Air Purifier


  • Dimension: 16.81×9.57×18.31 in
  • Weight: 12.35 pounds
  • Coverage: 361 sq.ft.
  • Color: Black/Silver
  • CADR: 246/240/233
  • Fan Speed: 3 speeds

What We like:

  • Small in size
  • Easy to use and transport
  • Purifier consumes only 77 W power
  • The machine runs 1/4/8 hours
  • LCD screen to display the functions
  • Coway has decent sensors

Coway Air Purifier Review:

People know a little bit a bit the Coway air purifier but it is one of the best air purifiers of the modern era; a symbol of elegance with the powerful HEPA mechanism. Now the problem with a lot of home purifiers is that they don’t behave properly in bigger rooms. Others don’t give you an idea of the range of the air purifier. The Coway AP, however, does that. Not only are you aware of the range, but it’s quite a big size.

Now you will love to know that this air purifier has a 4 stage filtration process, such as Pre-filter, Deodorization filter, True HEPA filter, and Vital Ion. It traps, thereby reducing up to 99.97 of particles, as small as 0.3 microns in the air. These particles could be pollen, pollutants, and/or other allergens. Apart from these little particles, it also takes care of volatile compounds and helps to eliminate bad odor. This air purifier is very environmentally friendly. After 30 minutes of pollution not being detected, it goes into Eco mode to save energy. It also comes with a timer feature where you can make the machine run for 1/4/8 hours and then power off automatically when the time elapses.

Our Verdict: Cowy is new into the business but it contains the latest filtration process with the perfection of killing 99.97% of the germs and allergens that are hazardous especially after the eruption of Coronavirus, it is ou primarily responsibility to clean our atmosphere not only in the house but also in offices.

3. Winix Air Purifier – Best Hepa Air Purifier 2021

Winix Air Purifier


  • Dimension: 15×8.2×23.6 in
  • Weight: 15.4 pounds
  • Coverage: 360 sq.ft.
  • Color: Black
  • Wattage: 70 W
  • Fan Speed: 4 speeds
  • Noise Level: 27.8 dB

What We like:

  • Easy to wash AOC Carbon Filter
  • Easy to operate
  • Air Purifier with True HEPA
  • An advanced auto system with smart sensors
  • Pretty sleep mode

Winix Air Purifier Review:

We have the Winix 5500-2 air purifier; it is built to trap close to a hundred percent of air pollutants, such as pet dander, pollen, dust mites, and allergens, even those that are as small as 0.3 microns. It has a feature that we find very attractive. It comes with AOC carbon filters, these filters come washable, and they are made from activated carbon granular, which help in removing household odors and other unwanted gases.

The Winix 5500-2 also features PlasmaWave. Now what plasma wave does is that it does the job of a permanent filter, which then breaks down chemical vapors, pollutants, allergens, and other unwanted gases. The fan filter speed can be adjusted automatically. The purifier comes with smart sensors for that purpose. There’s also sleep mode for operations at night time, which is if you want it to be quiet. It works for rooms of various sizes, from small to medium and even large.

Our Verdict: Winix Air Purifier has different kinds of air purifiers with respect to coverage, speed, fans, and power, well, if you want to save some money buy this Winix Air purifier today that is cheap and also has a decent market reputation. Last but not least, night mode gives you noise-free sleep, sleep well, it will clean the air smoothly.

4. Molekule Air Purifier – Air Purifier for smoke 2021

Molekule Air Purifier


  • Dimension: 0.0×8.25×32.00 in
  • Weight: 125.8 pounds
  • Coverage: 600 sq.ft.
  • Color: Silver
  • Fan Speed: 3 speeds
  • Body material: Anodized aluminum
  • Handle material: Premium leather

What We like:

  • Superb in shape
  • Decent silver color
  • Best air purifier for large room
  • Awesome filtration process
  • PECO Technology for Allergens, Mold, Pollutants & Viruses

Molekule Air Purifier Review:

This is not your average air purifier. One could call this an air purifier on steroids. First, the price at which it comes gives it away. It comes in at a price of over $700 and it features a reach of 600 square feet. This air purifier was designed for bigger rooms, so if you have a large room but don’t know what brand will work for your room, then you might want to try this one. One of the biggest names in the field of air purifiers, Molekule delivers the best every time. I am a true fan of their products.

Molekule Air works by Photoelectrochemical oxidation (PECO) nanotechnology to eliminate VOCs, bacteria, allergens, and mold. For convenience, this appliance can be controlled remotely. All you need do is connect it via your Wi-Fi, and then voila you’re good to go. Of course, it can also be controlled via its touch screen interface. HEPA and carbon air purifiers absorb unwanted chemicals, however, Molekule PECO destroys the unwanted chemicals that it collects, this is the Molekule advantage.

Our Verdict: Molekule Air purifiers have different shapes and designs, some are made for small rooms just like Molekule Mini Air Purifier that is totally designed for a small room when it comes to big places, this air purifier will help you to deliver the best results.

5. Alen BreatheSmart Air Purifier – Air Purifier for mold 2021

Alen BreatheSmart Air Purifier


  • Dimension: 19x16x28 in
  • Weight: 20.8 pounds
  • Coverage: 700 sq.ft.
  • Color: White
  • Filters: 2
  • Wattage: 36 watts
  • Fan Speed: 4 speeds

What We like:

  • Small and sturdy design
  • Attractive functions and features
  • Large area coverage
  • H13 HEPA layer to capture airborne particles
  • Clean air fast within 30 minutes

Alen BreatheSmart Air Purifier Review:

The Alen BreatheSmart Flex Air Purifier is a really fast and true HEPA air purifier. This appliance cleans out about 700 sq ft of air in about 30 minutes. This actually happens to be the range of the purifier. It also works about twice as fast as that standard air cleaner. The design is also very beautiful; you won’t have to hide it because it can fit into almost any part of the house; kitchen, living rooms, nurseries, bedrooms, and more.

The size and shape are decent that attracted me a lot if you are worried about animal fur, dander, allergens, and household odors, don’t worry, this piece of innovation will sort out things as nothing has happened here, this purifier will eliminate from the air in your environment. The presence of this home appliance will also prevent the growth of mold in your house; it will also stifle bacteria from doing well. It comes with activated carbon which will absorb dangerous chemicals in the air in your homes, such as formaldehyde from furniture, household chemicals, VOCs, and more.

Our Verdict: We often see similar kinds of features but you would be amazed to check the price that is far less than others. What I love about this is the design and shape which is small, a new air purifier that can be easy to move and operate.

6. Dyson Pur Hot + Cool Air Purifier – Air Purifier for allergies

Dyson Pur Hot + Cool Air Purifier


  • Dimension: 9.76×8.07×30.08 in
  • Weight: 19.14 pounds
  • Coverage: 290 sq.ft.
  • Color: White/Silver
  • Oscillation (degrees): 350

What We like:

  • Powerful and unique system
  • Attractive design
  • Easy to use
  • Good for small rooms
  • A hot and cool option

Dyson Pur Hot + Cool Air Purifier Review:

This is almost an all in one air purifier. It comes with features for heating and cooling and then, of course, most importantly, it comes with an air purifier. The Dyson Pur Air purifier comes in a very attractive design, it would fit into any part of the house. It would also fit on your dresser or on your center table, it looks that good. Apart from looks though, it’s a very functional piece of equipment. Its multi-functionality is its first endearing feature. It purifies the air automatically, it has some great sensors for picking up pollutants in the house, eliminating them and then reporting on the levels of impurities in the air.

This air purifier is Alexa compatible; therefore it can be turned on and off remotely. It can be WiFi-connected; this will enable you to set schedules, check the air levels in your house even when you are out, and many more. So apart from being a multifunctional air purifier, the Dyson Pur hot also comes very easy to use. The ability to direct airflow up to 350 degrees of oscillation to clean the air makes it different from others, plus this no other air purifier has the ability to throw hot and cold air but with this little beast, we can change it as per our own demand.

Our Verdict: Are you looking for a dual air purifier that has two options hot + cool, well, Dyson Pur air purifier has an amazing capacity to clean the air with this function, besides of its shape and design that makes it the best purifier for allergies available online, I like the features because we can use it in winter and summer?

7. Levoit Air Purifier – Ozone Air Purifier 2021

Levoit Air Purifier


  • Dimension: 8.7×8.7×14.2 in
  • Weight: 8.88 pounds
  • Coverage: 219 sq.ft.
  • Color: White
  • Fan Speed: 3 speeds
  • Noise Level: 24–50 dB

What We like:

  • Best shape and design
  • 24db Quiet Air Cleaner
  • Impressive quality to clean air
  • Good for small rooms
  • Ozone friendly

Levoit Air Purifier Review:

Air purifiers are noisy a whole lot of them, especially when working at maximum power. Now that’s one of the things that has been corrected by the Levoit Air Purifier. It’s said to be the quietest air cleanser in the market at the moment. At sleep mode, you‘d barely hear a thing, it comes with QuietKEAP technology, which drops noise to about 24db so that one can have sound sleep. The appliance features an ultra-fine pre-filter which is then paired with activated carbon.

Levoit Air Purifier is smart in design and it looks pretty amazing when you use it because it is the best air purifier till to date. Levoit is remarkable when it comes to air purifiers, no other company can beat its standard with respect to power, price, and progress. Together they trap 99.97% of fine particles, allergen, pet dander, smoke, pollen grain, and more. It can take care of particles that are as small as 0.3 microns. To even make your air safer and easier to breathe, this air purifier avoids using UV/Ion light, because it can produce ozone which can be harmful to humans.

Our Verdict: If you want to buy the air purifier that looks awesome, well, Levoit Air Purifier has everything you need, it is amazing in speed and also received the best design award recently, I hope this will add value to your home and will secure your family from viruses. Research shows that this air purifier doesn’t produce hazardous gases that harm the ozone layer because most of the air purifiers use UV/Ion light to clean the air.

8. Germ Guardian Air Purifier – True Hepa Air Purifier 2021

Germ Guardian


  • Dimension: 9.06×6.69×27.56 in
  • Weight: 11.1 pounds
  • Coverage: 167 sq.ft.
  • Color: Black
  • Cord Length: 6
  • Fan Speed: 5 speeds

What We like:

  • Advanced HEPA filter
  • Quietest air purifier
  • Easy to operate
  • Best for Dust, Pollen, and Smoke
  • 4-in-1 Air Purifier for Home

Germ Guardian Air Purifier Review:

Now that’s an apt name for an air purifier. The Germ Guardian guards your house against germs and air pollutants. Germ Guardian has decent 4 stages that attract buyers more, you need to check that before going to make a purchase decision. It comes with a true HEPA air filter that eliminates up to 99.97% of pollen, pet dander, harmful dust, allergens, and molds. It will eliminate particles that are as little as 0.3 microns.

It comes with UV-C light which helps to kill germs, airborne viruses like staph, influenza, rhinovirus, and more. It is paired together with Titanium Dioxide to help decrease volatile organic compounds in your home air. To help your filter last longer, there’s a pre-filter, which traps large particles such as pet hair, dust particles which in turn will help to extend the life of your HEPA filter. To deal with unwanted odors, either from old furniture, cooking, pets and more, there is activated carbon. You can change the speed of the fan, set timer, and then choose whether you want UV- c light to be on or not.

Our Verdict: This air purifier comes with all features most of the top-rated air purifiers posses but it is lightweight and tall that looks beautiful when placed in a room. It is a durable and powerful air purifier equipped with quality material.

9. ASIWO Air Purifier – Best Affordable Air purifier 2021

ASIWO Air Purifier


  • Dimension: 16x10x10 in
  • Weight: 5.19 pounds
  • Coverage: 161 sq.ft.
  • Color: White
  • Fan Speed: 3 speeds
  • Noise Level: 24–50 dB

What We like:

  • An air purifier with quality Sensors
  • Efficient and powerful
  • CARB Certified
  • Digital display
  • Air Purifier display orange light when air is moderate

ASIWO Air Purifier Review:

Who doesn’t want clean air? Nobody right, well that’s what the Asiwo air purifier offers you. It uses a 3 in 1 Advanced HEPA filtration system. So here we have the prefilter, true HEPA filter and then finally high efficiency activated carbon. They work together to ensure that the air around your house is perfect for breathing. ASIWO is though the new into the market but its advanced filtration process gets rid of pollen, dust particles, and other allergens that are harmful to all of us.

Whereas the activated carbon helps to absorb unwanted odors, traps gases, smoke, and more. It has a sensor that is used in detecting soot and also eliminates it. And then when you want to sleep you don’t have to worry about noise because the Asiwo air purifier comes with a night mode, which is a quiet mode and helps you sleep soundly. This air purifier works best for rooms that are 161sq ft in size. It also recycles the air every 15 minutes.

Our Verdict: Buyers want to save money, I will recommend them ASIWO Air Purifier that is less than one hundred dollars, most importantly, it is the cheapest air purifiers in 2021 that has decent filtration process and provides you a fresh breath of air.

10. Okaysou AirMic4S – Cheap Air Purifier 2021

Okaysou AirMic4S


  • Dimension: 8.7×8.7×11.9 in
  • Weight: 6.6 pounds
  • Coverage: 300 sq.ft.
  • Color: White
  • Wattage: 70 W
  • Fan Speed: 4 speeds
  • CADR: 125 m³/h
  • Noise Level: 24–51 dB

What We like:

  • Attractive design
  • Easy to use
  • This air purifier has a night light option
  • Noiseless fans
  • Cheap air purifier

Okaysou AirMic4S Review:

Getting clean air that’s free of pollutants doesn’t have to be expensive. With sub 100$ one can get a good air purifier. And that’s what the Okaysou AirMic4S is. This air filter takes care of bad odors, from cigarette smoke, from cooking pet litters, and more. It comes with activated carbon which not only absorbs dangerous gases such as Ammonia and Formaldehyde but also eliminates bad odors. For filtration, the Okaysou takes this a notch higher.

It features a Medical Grade H13 True HEPA filter, which happens to be better than True HEPA. AirMic4S works very well in large rooms; in fact, that was what it was designed for. This medical-grade filter can eliminate airborne particles even as small as 0.3 microns; this product can absorb toxins, pet hair, and other large particles. To even make it longer lasting it comes with 4 replacement filters so that you can use your air purifier for longer.

Our Verdict: Are you looking for the best cheap air purifier in 2021, don’t worry, this air purifier is affordable and also has every feature which you would love to have in your air purifier, in recent times, an air purifier is a must-have product in our home. I like Medical Grade H13 Original Filter that traps particles to clean air sharply.

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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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