Top 10 Best Air purifiers In 2021 – Reviews

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Quality air is one of the ingredients to a good life. However, air quality differs from time to time. Especially during summers, dust, smoke and other particulates are common air contaminants. The ability to keep interior amazing is through adding air purifiers. These appliances are designed to ensure there is proper air filtration to keep out different pollutants.

The air purifiers are designed for different rooms. Some are for small, while others are for large rooms. Just like heaters, purifiers are rated by square feet. The larger the cleaner, the more area it can serve. With air purifiers, they are great for dust, pollen, pet hair and others. Therefore, they are amazing machines that ensure every home has a reliable air purifying machine.

Air Purifiers Buying Guide

  • Filtration System: There are many filtration systems that you can choose from. One of the most common filtration systems is the use of filters. Traditionally, the machines utilized standard filters. However, these days, check for HEPA filters since they have outstanding performance. They are capable of filtering extra small particles to keep the air clean. Others include ion generator, UV light and activated charcoal. Multiple filtration systems are superb to achieve top-notch air cleaning.
  • Quiet Operation: Every cleaner is equipped with a fan to help in the circulation of air. Some have multiple fans, while others can possess one. Regardless of the number of fans available, purifier should be able to clean air quietly. The design, casing and type of fan used are some of the factors that determine the fan noise. Also, the size of a purifier will determine the fan hence the amount of noise. In any case, a purifier should be significantly silent.
  • Size Of The Room: The size of a room is a determinant when you think about buying a purifier. There is a great difference when looking for a purifier for a large room and a small one. For apartments, dorms and other small areas, compact air cleaners are ideal. However, for halls and large spaces, you need a dedicated cleaner to cater for a large room.
  • Adjustable Functions: Air purifiers come with a variety of features. It is this reason that one needs to check for the machine they are buying. Small air cleaners don’t have complicated features which make them easy operate. However, regardless of the size of a purifier, it should offer great versatility and adjustability. Mostly, the fan speed is the most common adjustable function. Also, for purifiers with different filtration mechanism, some have adjustable functions to control ionization or UV light.

Best Air Purifier In 2021

10. Kokofit H13 True HEPA Filter Purifiers for 460 Sq.Ft Area

By: Kokofit

Kokofit H13 True HEPA Filter Purifiers for 460 Sq.Ft Area

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Kokofit air purifier is an amazing and reliable machine. It is a reliable purifier with 3 stages of filtration hence great for keeping the air clean. The system offers a layered filtration system which is excellent and reliable. Featuring pre-filter, activated charcoal and HEPA filters ensures the machine is superbly reliable. The filtration system eliminated up to 99.97% contaminants. This means most of the particles are filtered to keep people breathing clean air.

The machine is efficient and designed for 460 square feet areas. This enables them to be usable in larger rooms than some devices. Since the machine utilizes mechanical filtration, it doesn’t cause environmental pollution. Unlike the filters UVC and ion filtration systems that damage the ozone, this filter is super safe. Equipped with intelligent monitoring system, the machine it monitors and filter the air. The display indicated the air quality while the operation is super quiet.


  • Quiet operation
  • Intelligent monitoring system
  • Mechanical filtration


  • Filters aren’t washable

9. Bissell MYair Purifier with Carbon Filter

By: Bissell

Bissell MYair Purifier with Carbon Filter 

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The ability to enjoy clean and fresh air depends on many factors. But, the surest way is adding a reliable air filtration system. Bissell MYair purifiers are among the great machines that ensure everyone enjoys excellent clean air. With a pack of 2 purifiers, they are great for keeping your small room feeling great. With 3 layers of filters, these machines offer amazingly cleaned air. Actually, the combination of activated charcoal there is efficient air filtration.

The filters are capable of sieving any particle that is larger than 0.3 microns. This means that even when there are fine particles in the air, the machines are highly reliable. The ability to filter smoke, dust and pollens ensures reduced reaction for allergic people. Despite the high-performance fans, the machine offers whisper-quiet operation. Thus, it is easy to enjoy the superb performance without taking away the peace of mind. With adjustable fan speed, it is easy to adjust the speed depending on the air quality.


  • 3 layers of filtration
  • Adjustable fan speed
  • Whisper-quiet operation
  • Night light feature


  • Not for large rooms

8. COLZER Air Cleaner with True HEPA Air Filter


COLZER Air Cleaner with True HEPA Air Filter

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The Colzer air purifier is one of the compact machines with high performance. With the ability to filter extra small particles, the device is easy to use and compact. Thus, it doesn’t need a big storage area. The combination of HEPA and activated charcoal filters, there is excellent filtration. Even for small particles, the device offers superb filtration. To ensure high efficiency, the machine delivers 85 CFM air filtration, which is superb for a small room.

Adding this machine in a room brings great peace of mind. It has durable filters which last up to 6 months before replacement. The high-quality laser sensor is fantastic since it can precisely determine the air quality level. Despite the compact nature, this machine is durable and functional. It comes with 2 fan speeds which enable adjustment to suit the situation.


  • Adjustable fan speed
  • Easy filter replacement
  • Compact and high performing


  • Slow on highly contaminated air

7. Alen BreatheSmart FLEX H13 True HEPA Air Purifier

By: Alen

Alen BreatheSmart FLEX H13 True HEPA Air Purifier

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Alen BreatheSmart brings fresh air to your house. This efficient purifier is suited for large rooms since it can work on 700 square feet room. The sleek and durably made machine is great for smoke, allergens and harmful airborne particles. As a result, the device prevents the growth of bacteria and molds, thus keeping the house fresh. The purifier features HAPA purifiers as well as 0.66 pounds of activated charcoal. This helps in the elimination of all contaminants efficiently.

The machine not only looks sleek, but performance is exceptional. It sits all decors due to smooth and stylish design which ensures great application to any home. Additionally, the quick air cleaning ability lets the machine delivers outstanding filtering speed. Fitted with a light out mode, the user can control the purifier without waking. Also, the function ensures the indicator light is off hence smooth sleep.


  • Sleek and décor complementing
  • Fast air cleaning
  • Ideal for filtering harmful microbes


  • No ionizer

6. SilverOnyx Air Purifier with True HEPA Filter

By: SilverOnyx

SilverOnyx Air Purifier with True HEPA Filter

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SilverOnyx air purifying machine is sleek and offers fantastic cleaning ability. It is compact compared to others while efficiency is outstanding. It can be used in rooms up to 500 square feet. Unlike others, this has 5 levels of filtration. Thus, it is possible to eliminate even the tiniest microbes that are over 0.3 microns. Whether it is bacteria, pollen, smoke or pet hair, and the machine super reliable. The 5 levels of filtration make the purifier one of the reliable and efficient options.

The machine offers HEPA filters, activated charcoal, UV light and ion generator does more than filtering. It sterilizes air from microorganism hence great to eliminate allergens and infections microbes. With an efficient filtration system, this machine is excellent for use in different places. With a high precision sensor, it automatically adjusts depending on the air condition. The control panel is perfect and smart with touch-sensitive icons. As a result, the appliance is easy to operate even for new users.


  • Smart control panel
  • Highly accurate sensor
  • Advanced filtration system


  • Feels pretty loud

5. LEVOIT Air Purifiers H13 True HEPA Filter


LEVOIT Air Purifiers H13 True HEPA Filter

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Levoit super quiet purifier is giving your house a superb and high-quality air. The machine has replicable 3-in-1 filters that offer reliable air cleaning. Additionally, the ARC formula filters are high performing and ensure exceptional filtration. With Ozone and ion generation free system, the machine is CARB certified. The high powered Vortexair Technology delivers excellent air circulation. Therefore, it provides quick air cleaning.

The genuine HEPA H-13 high-quality filters are the reason this machine offers exceptional air cleaning. Besides, there is efficient smell elimination hence keeping the room smelling natural. Whether it is smoke or other smells, the purifier is outstanding. Fitted with QuietKEAP technology, there is a silent operation without causing loud noise. The simple and sleek design ensures astounding sleekness.


  • Super silent operation
  • Customized premium filters
  • Reduced noise operation


  • Low particulate filtering

4. Germ Guardian 4-in-1 Air Purifier with UV Light Sanitizer

By: Germ

Germ Guardian 4-in-1 Air Purifier with UV Light Sanitizer

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Gem Guardian is a reliable machine to keep the air clean and free from suspended particles. It’s a 4-in-1 purifier that ensures there is no more trial and errors. The combination of HEPA air filters and UV light sanitizer traps and kill harmful microorganism. Therefore, for allergen, pollens, dust and hair, the machine is remarkably effective. With the ability to screen particle over 0.3 microns, everyone enjoys sterilized and filtered air.

Apart from keeping particles away, the machine offers excellent odor filtering. The sleek lighting ensures you can see when the device is operating. Also, the operating the appliance is simple since it has a user-friendly control panel. The genuine filters fitted on this machine ensures it can be used for long before replacement. The design allows this purifier to fit small place hence saving the space.


  • UV sterilizer
  • Microbes’ filtration ability
  • Ultra-quiet sleep mode
  • Easy to operate


  • Not for large areas

3. TaoTronics HEPA Air Purifier Desktop Air Cleaner

By: TaoTronics

TaoTronics HEPA Air Purifier

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You don’t have to get a large air cleaning machine to enjoy clean air. TaoTronics desktop air cleaner is a fantastic machine that ensures there is no more dirty air. Therefore, as you work or relax at home, the device offers thrilling performance. Despite its compact nature, it has efficient air cleaning ability. It has HEPA air filters ensures that even super-small particles are efficiently filtered. Besides, the activated charcoal enables the machine to deliver superb air cleaning. The filtration system is advanced and offers 3 stages of cleaning to guarantee super clean air.

The fan speed is easily adjustable and offers excellent performance depending on the condition. It has 4 fan speeds which let you select the ideal one for your room condition. Despite the variable speed, the equipment runs silently without nuisance noise. Above all, it is a pet and kid-friendly.


  • Adjustable fan speed
  • Compact and portable
  • Kid and pet friendly


  • No automatic mode

2. LEVOIT Air Purifier Odor Eliminator with H13 True HEPA Filter


LEVOIT Air Purifier

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Give your home a new feeling by adding reliable air purifier. Levoit air cleaning machine is the right option appliance that offers a fantastic experience. It features a sleek body and durable construction as well as high performing filters. This ensures that every user enjoys quick air filtering thus eliminating dust, pollen, hair and odors. Therefore, even for people with allergy due to dust or smoke, the purifier is one of the reliable choices.

The filtration system is highly efficient as it features HEPA H-13 genuine filters. They can filter fine contaminants hence great for most areas. With rapid filtration action, it can clean 221 cubic meters of air in one hour. This, make it an excellent option for kitchens, nurseries and other places. With a durable body, this air cleaner lasts for a long time without reduced performance. Also, it’s compact and portable for efficient transportation. The energy-efficient design lets the cleaner save your electricity bill.


  • Energy-efficient design
  • Easy to transport
  • Washable preliminary filters


  • No intelligent control unit

1. Hathaspace Smart Air Purifier 5-in-1 Large Room Air Cleaner

By: Hathaspace

TaoTronics HEPA Air Purifier Desktop Air Cleaner

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Purifying is now simple and offers excellent air cleaning. It’s a 5-in-1 cleaner which is excellent for keeping the room feeling refreshing. Whether it’s pet hair, dust, airborne pathogens and others, the filters are superb. The genuine HEPA filters are efficient for eliminating the tiny particles as small as 0.3 microns. With this machine, it helps in easing breathing due to high-quality filtered air.

Apart from the dust, the purifier eliminates smoke, smells and other air contaminants. With ozone-safe filtration system, the machine is CARB certified and is quiet operating. The operation of this machine is impressive since it has an easy control panel. Thus, even for the new users, they can use the machine without a struggle. Additionally, smart technology gives this machine exceptional reliability and usability. The screen fitted indicates the level of air quality and offers auto-detection of a pollutant concentration.


  • Smart sensors
  • Automatic operation modes
  • Odor and microbes detection
  • Remote control


  • A bit costly


The ability to get clean air will always depend on the air purifiers you have. With people having varying sized rooms, they need different air cleaners. They are classic and ensures there is quality air. Therefore, don’t let the dust or pet hair cause breathing problems at homes or offices. These purifiers are great and reliable to add in your life.


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