10 Best Air Purifiers in India 2024 with HEPA Filter (For dust, smoke and pollen)

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Written By Amina Azmi

Looking for a safe space to breathe clean air? Dealing with asthma or allergies due to the polluted air? You are not alone! As per 2021 statistics, 21 of the world’s 30 cities with the worst air pollution are in India! If that data is not alarming, I don’t know what is! We all know that the solution is investing in a good air purifier! 

However, the problem is the challenges one finds while navigating the air purifier aisle. There are a plethora of different purifiers in the Indian market, and understanding which brands are trustworthy or legitimate can prove to be daunting. After all, we are not tech experts! 

Therefore, to help you streamline your search and not waste your money on an inferior product, we have cumulated this list of the 10 best air purifiers by comparing and testing over 20 plus brands. 

Our team of experts has reviewed the list to ensure you can select the perfect product without any issues. We have personally tested the products and included a complete buyer’s guide to help you make a smart investment.


Best Air Purifier in India 2024 (Reviewed By Experts) 

You and I are not specialists, so choosing a good air purifier with the latest features that meet our needs might be confusing! With this article, we are helping you bridge the gap and read expert opinions from our team of tech and health experts regarding the same.

The ranking is unbiased and can help you make a wise decision without wasting your hard-earned money. We have focused on factors such as purification, cost, energy consumption, features, filters, maintenance, and customer reviews.

Dyson Pure Cool Link Tower TP03 Air Purifier

Dyson Pure Cool Link Tower TP03 Air Purifier

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  • Power Consumption (W) – 58W
  • Coverage Area(sq.ft.) – 450 sq ft
  • Air Flow Rate (cubic m/h) – 1300
  • Filter Type – HEPA Filter and Activated Carbon
  • Dimensions – 20 x 18.5 x 102.2 Centimeters
  • Noise Level – 42.3 to 64.4 dBA
  • Remote Control – Yes

Overall Score: 4.9/5

Dyson is a British company established in 1991 and renowned for its diverse yet high-quality and cutting edge technology products. The model stands out from the competitors with its minimalist space-saving design and attractive features such as auto mode, easy scheduling, easy to clean and maintain, sleep mode, and advanced app monitoring.

As per our testing, the Dyson TP03 heavily relies on activated carbon and HEPA filters to deal with many pollutants. This highly efficient filter can even capture ultra-fine particles (0.1 microns) and contaminants without releasing them back into the room. While testing, we also found the lower face velocity of this unit is conflated with a 360°vacuum-sealed. 

Our experience with features was smooth and pleasant. The auto mode scrutinizes the air quality and keeps modifying the settings accordingly. The night-time auto mode ensures a quiet environment by regulating most silent settings that facilitate sound sleep.

The Dyson air purifier can be regulated with a curved and magnetic remote controller, unlike other products. Thanks to the curve design, it can be docked on the top of the air purifier, ensuring an easy excess. You can easily monitor the purification activity and filter life, allowing you to schedule operations effectively.

Besides that, the air purifier also utilizes Air Multiplier Technology which displays an oscillation feature that helps it circulate and throw powerful purified air around the room. The Air Multiplier is a bladeless fan that provides high-speed, long-range air projection and intensifies the encompassing air. 

Not just the sleek design and useful features, but the air purifier provide excellent protection from pollutants such as dust, mold spores, VOCs, pet dander, viruses, and bacterias. The impressive 360° HEPA filter aids in removing even the tiniest pollutants and particles, even the coronavirus! 

It is also effective at removing toxic fumes and odors due to the instilled activated carbon granules. The ultrafine particles stay caught in the vacuum-fixed channel, and the air is then bestowed outwards with the Air Multiplier innovation.

The air purifier also allows you to link with its app that you can use to control and monitor the air quality even away from your room or home. The company also provides excellent after-sale service and a 2-years warranty.


  • A unique design with a minimal footprint to save space and fit anywhere
  • The product comes with excellent features
  • Wifi connectivity helps in interactivity
  • Provides impressive protection from a diverse range of pollutants, even the tiniest ones
  • It comes with a two-year warranty


  • Dont have any to report yet!


  • The air purifier comes with a curved and magnetic controller
  • It can be connected with an app to monitor outside from home
  • Provides oscillation feature to circulate and project purified solid air in the surrounding
  • The lack of quick and spinning blades makes it safe and innocuous for kids or pets
  • It does not make any noise!


Mi Air Purifier 3 with True HEPA Filter

Mi Air Purifier 3 with True HEPA Filter

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  • Power Consumption (W) – 38W
  • Coverage Area(sq.ft.) – 484sq ft
  • Air Flow Rate (cubic m/h) – 380
  • Filter Type – True HEPA and Carbon Filter
  • Dimensions – 24 x 24 x 52 Centimeters
  • Noise Level – 30 dBA
  • Remote Control – No

Overall Score: 4.7/5

Xiaomi offers the latest-generation air purifier with many features like replaceable filters, OLED display with voice commands, superb controls, and excellent purification. We can positively say this one will not disappoint you and with that attractive price, who can say no! 

Talking about the product and our experience, the packaging was terrific, and the minimalist design is worth mentioning. The Xiaomi Mi Air purifier 3 has functional improvements in both design and look are we are loving it! 

One feature that I love about this product is voice control! You can simply pair it with Alexa or Google assistant to switch on or off the device. We connected the unit with Google assistant, and the connection was faster than we had anticipated.

The three-layer filtration system is excellent and suitable for allergies. The replaceable, long-lasting filters and the product’s maintenance are ideal for heavy users.

We tried the purifier directly at home, and we must say the air quality has improved drastically. We used a separate quality meter to determine the change in air quality. 

The 360° air intake with three-layered filtration conflated with broad coverage of 484 sqft provides unbeatable performance and air quality. 

The air purifier also connects with Wifi and mobile applications that you can easily download from the Apple Store or Playstore. The app provides many additional features and options, allowing the user to customize according to their leisure. The connection is simple and easy. Once you connect the app, the menu displays the current air quality value and the filtering your air purifier can do. The pollution level is displayed with colors: Green, Red, and Orange both in the app and the touch OLED panel.

The air purifier features an auto mode that adjusts the speed by responding to the air quality.

The Mi Air purifier 3H offers PM2.5 filter cleaning up to 48 meters square. It effectively removes 99.85% of pollutants from the room and projects powerful fresh air. 

With three levels of filtration, the unit can quickly remove the tiniest particles such as dust, pollen, mite, mold spores, and viruses.

Since the air purifier is lightweight, it is portable and can quickly move between rooms! As for the noise levels, it is around 33 dB and contingent on the program. 

Xiaomi Mi 3H air purifier has pleasantly surprised us, and the features and quality it offers make it a worth it investment. 


  • High-quality and cutting edge features and technology
  • OLED touch display with easy to understand controls
  • Voice control with Amazon Alexa and Google Assistant
  • Impressive filtration


  • Larger Dimensions


  • A quality product with an attractive price
  • Three-layer filtration that effectively removes most pollutants from the air
  • Smart app control and effective coverage area
  • 360-degree air intake


Philips AC1217/20 Air Purifier

Philips AC1217/20 Air Purifier

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  • Power Consumption (W) – 50W
  • Coverage Area(sq.ft.) – 678 sq ft
  • Air Flow Rate (cubic m/h) – 270
  • Filter Type – NanoProtect Pro HEPA Filter
  • Dimensions – 62.2 x 38.8 x 27.2 Centimeters
  • Noise Level – 33 dBA
  • Remote Control – No

Overall Score: 4.8/5

If you are looking for an affordable but premium air purifier from a renowned brand, you must check this air purifier from Philips. Philips is a globally acknowledged company for its quality products and innovative technology. 

The Philips AC1217/20 features an excellent and effective filtration system that provides your house’s needed protection and purification. 

While testing the unit, Philips performed excellently in eliminating ultrafine particles and ensuring cleaner and safer breathing air. On further testing, we figured the product came equipped with a NanoProtect filter impregnated into the air purifier offering fresh air by filtering most pollutants with a size less than 0.3micron or more. The thick HEPA filter provides 99.97% efficiency for removing particulate matter.

The one feature we like the most is the child lock. Dont we all have curious kids and pets that can alter the setting and damage the purifier? Not every gadget is equipped with this feature hence kudos to Philips! 

The air purifier boasts an allergen mode that aids in removing airborne particles helping people with allergies to dust and asthma. The coverage area of the air purifier is fantastic and makes it better than other competitors out there. It has an Air protect alert; the unit helps you inform of the right time to replace the filter to manage things easily.

The shape of the unit is a straight and slight curve towards the top, which vents the purified air towards the room. The control features present on the model are user-friendly and convenient. You can even adjust the light to brighten or dim the screen! 

The price is fantastic! However, the model is bulkier than the other Philips models that we have tried. The purifier only comes in white color. 

Overall, the product is great and provides quality breathing air at n affordable price. The maintenance is simple and does not consume too much energy; hence, your electricity bill will not witness a sudden hike! You also get a 2-year warranty and good customer service after the purchase.


  • Worth the purchase
  • It provides a large coverage area and is good for bedrooms
  • Efficient at removing pollutants from the air
  • The noise levels are comparatively less than other products
  • Exceptional features that make using the product easy-peasy
  • Child lock system


  • A tad bit bulky than other models of Philips


  • The amalgamation of excellent features and low price — a deadly combination
  • High-efficient NanoProtect HEPA filter that removes tiniest pollutants
  • Child lock and allergen mode to make things interesting
  • Low energy consumption and noise levels
  • Two years of warranty and good after-purchase service


Coway Professional Air Purifier

Coway Professional Air Purifier

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  • Power Consumption (W) – 38W
  • Coverage Area(sq.ft.) – 355sq ft
  • Air Flow Rate (cubic m/h) – 303
  • Filter Type – True HEPA and Carbon
  • Dimensions – 42.5 x 25 x 53 Centimeters
  • Noise Level – 22 to 49 dBA
  • Remote Control – No

Overall Score: 4.6/5

The Coway Professional AirMega 150 air purifier is the ultimate solution to deal with troubling bacteria, dust, mold spores, pollen, viruses, pet dander, VOCs, and other pollutants. For years, the company has been well-known globally for its quality products and happy customer base in more than 80 countries.

The air purifier eschews complex features and the latest technological advances for easy operation and handling with minimal noise and compact design. The unit features a Urethane Carbon filter that captures obnoxious odors, VOCs, formaldehyde, and smoke.

The coverage area of 355 sq. ft is excellent for medium and small rooms such as offices and bedrooms. The air purifier comes with many features, such as an intelligent auto mode that adjusts the unit’s speed based on the air quality and turbo mode for fast cleaning.

While testing the product, the one thing we most loved about this product that sets this one apart is the Green Anti-Virus HEPA filter that quickly traps most pollutants with 99.99% efficiency. It can filter even the smallest particles of 0.1 microns.

Not only can the air purifier easily remove physical pollutants such as dust, dirt, mold spores, dander, and pollen, but it also effectively removes viruses, bacteria, and dust mites. 

The unique thing about the air purifier is a three-stage purification system with pre-filter traps, carbon filter, and multilayered anti-virus green HEPA filter. This patented filter technology allows the Coway air purifier to clean and remove pollutants from the air effectively.

The Coway Airmega 150 also boasts one-touch removal for its filter, allowing the user to remove without taking care of business. However, replacing or cleaning the filter takes time, providing maximum comfort.

Its minimalist design and user-friendly right out of the box make the product efficient and reliant. It does not offer app control or connectivity for ease of access. 

It comes with an incredible five-year warranty on the motor! If you register on the official website of Coway, you can get an additional 2-year warranty on the product, which is a steal deal! 



  • Real-time air monitoring
  • Green True HEPA filter fights against flu, viruses, and bacteria
  • Easy to use and no complex features or buttons
  • Compact size and simple step up
  • Fantastic efficiency and protection against viruses and other pollutants
  • Three-layered filtration system


  • No app control
  • It takes time to clean or replace the filter


  • Patented Filter technology
  • Cartridge Style filters
  • Strong protection against most pollutants
  • Compact and Simple
  • Suitable coverage area and excellent filtration


Philips High-Efficiency Air Purifier (AC2887)

Philips High-Efficiency Air Purifier (AC2887)

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  • Power Consumption (W) – 56W
  • Coverage Area(sq.ft.) – 409sq ft
  • Air Flow Rate (cubic m/h) – 333
  • Filter Type – True HEPA and Carbon
  • Dimensions – 24 x 35.9 x 55.8 Centimeters
  • Noise Level – 20.5 dBA
  • Remote Control – No

Overall Score: 4.6/5

Once again, Philips air purifier is on our list, making it one of the best brands for air purifiers in the Indian market. This model is best in terms of efficiency and performance, making it worth the money you spend.

The Philips AC2887/20 provides a relatively high smoke CADR of 333-meter cube per hour, and for formaldehyde, it offers a 200-meter cube per hour CADR. 

This air purifier’s air change rate or ACH rating is four, making it ideal for most homes and cities like Delhi, and it is excellent for individuals dealing with respiratory problems.

The air purifier can effectively remove 99.97% of particles thanks to the AreaSense technology, and it can easily filter PM2.5 airborne allergens. 

I loved the silent operation and whisper-quiet performance of the purifier that minimizes fan speed and noise level for a night of quality sleep. The unique feature of this unit and the one that separates it from the two we reviewed above is the shape and intelligent light control. 

Another unique thing about the Philips AC2887/20 is the operation modes: General, Allergen, and Bacteria Virus. The AQI ring or air quality indicator can be dimmed or switched off entirely so that you have no disturbance at night due to the light. 

Our experience using all the Philips air purifiers was fantastic and smooth. The air purifier can remove most pollutants with 99.99% efficiency from the air, including the ones as tiny as 0.2 microns

The PM2.5 indicator allows the user to observe the air quality level numerically on the digital display.

Besides that, the model can also eliminate viruses such as H1N1 and targets biological contaminants within thirty minutes of operation, which is impressive. Moreover, the air purifier quickly removes harmful gases and smoke through the inserted carbon filter.

You usually get a two-year warranty period and exceptional after-sale service from Philips. You can connect them on Whatsapp or the website.


  • Excellent filtration
  • Exceptionally silent and low noise
  • Activated carbon filter that catches odor, smoke, gases, and VOCs
  • Tested and certified against viruses and bacterias


  • Costly, but with quality comes the price


  • Intelligent purification that smartly senses air quality
  • Purifies a standard room in just 10 minutes and removes 99.99% of airborne pollutants and viruses in just 30 minutes
  • AreaSense technology that displays real-time PM2.5 levels
  • Excellent customer care service and warranty


Sharp FP-F40E-W Air Purifier

Sharp FP-F40E-W Air Purifier

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  • Power Consumption (W) – 50W
  • Coverage Area(sq.ft.) – 430sq ft
  • Filter Type – True HEPA Filter, Carbon, Pre-filter, and Plasmacluster
  • Dimensions – 9 x 38.3 x 54 Centimeters
  • Noise Level – 30 dBA
  • Remote Control – No

Overall Score: 4.6/5

Though Sharp is the new kid in the market, it is already beating the top companies in terms of cost-effectiveness and quality. Sharp Air purifiers are equipped with particle Plasmacluster are among the best performing we have tried. Hence in the list.

The unique thing we found about the Sharp air purifier during our test is its dual filtration technology. This product’s primary and active filtration is the Plasmacluster, and Passive filtration is the pre-filter, HEPA filters, and active carbon filters. So you get all these filters at an attractive price.

Let’s first talk about Plasmacluster. With this technology, the harmful ozone (O3) is converted into oxygen (O2) and empowers Hydrogen to fuse with the oxygen to produce water (H20). Hello, humidifier! Hence, you won’t complain of dry skin and dry air! 

Plasmacluster can effectively eliminate airborne pollutants and viruses with 99% efficiency. Furthermore, it strips harmful gases, odor, fumes, and VOCs with higher accuracy.

The material of the air purifier is made from top-notch thermoplastic polymer designed in Japan. The unit also keeps track of the pollution level and regulates the speed and other features to provide perfect purification.

The best part of the air purifier that separates this from other competitors is the HAZE mode, explicitly designed for Indian weather. The mode is great for cities where pollution is high such as Delhi.

Besides that, the Sharp FP-F40E-W air purifier also comes with three-layer filtration that effectively removes viruses and disease-causing germs such as the H1N1 virus, E.Coli, and TB. All the filters are replaceable and have a long life span.

The noise levels are adequate, and the features are the same as just another purifier we have listed. You get a 2-year warranty with this product and good customer service after purchase.


  • It comes with dual-filtration
  • Adds Ion Plasmacluster tech to the standard three-layer filtration
  • Long-lasting lifespan and low-cost filters
  • Pocket-friendly
  • Haze-mode


  • Low Airflow


  • Dual purification with active and passive filtration
  • Japanese Tech
  • Best Rated for after-sale service
  • Plasmacluster tech


Honeywell Air Touch A5 53-Watt Room Air Purifier

Honeywell Air Touch A5 53-Watt Room Air Purifier

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  • Power Consumption (W) – 53W
  • Coverage Area(sq.ft.) – 323sq ft
  • Air Flow Rate (cubic m/h) – 250
  • Filter Type – True HEPA and Carbon
  • Dimensions – 20.7 x 38.2 x 48.6 Centimeters
  • Noise Level – 20 to 44 dBA
  • Remote Control – No

Overall Score: 4.5/5

Coming up next is the Honeywell Air Touch air purifier, a simple and compact design with a touch of elegance. Besides, if you are looking for a pocket-friendly option from a company that is well recognized in India, Honeywell has you back.

Honeywell products are specifically designed for Indian houses and consumers, providing cleaning from a wide range of pollutants. The Honeywell Air Touch A5 air purifier offers a 3D airflow with air vents on both sides and at the bottom, ensuring enhanced suction of polluted air and the farthest projection of fresh air.

The compact space-saving design makes it easy and accessible to use and place, while the lightweight allows for basic maneuvers. A CADR of 250 cu.m/hr can effectively clean 323 sq. ft in just 10 minutes. The company and its products are certified by ECARF and Indian Medical Academy.

The cost of running is low due to less power consumption and long-lasting filter life. While testing, we figured that if you use the air purifier for eight hours daily, you’ll get a lifespan of about ten to twelve months. The high composite filter life of 3000 hours and low energy consumption makes it a deadly combo.

If you have kids or children with curiosity at its peak, you have nothing to worry about, as this air purifier comes with a child lock feature. It effectively forestalls your kids to change the settings when they are not under your scrutiny.

As for filtration, the advanced filtration HEPA system easily removes 99% of pollutants from the air. The washable pre-filter deals with larger particles such as dust, dander, pollen, soil, etc. In addition, it also effectively cleans 0.3 microns, including pollen, viruses, and PM 2.5.

The activated carbon filter takes care of the odor, gases, fumes, VOCs, and formaldehyde while maintaining the purified air environment. The company has expanded its services and network in significant cities of India such as Pune, Hyderabad, Bangalore, and 22 other cities.


  • 3D airflow and powerful cleaning
  • Certifications and trusted
  • Excellent customer base in India
  • Low running cost and high filter life
  • Pocket-friendly


  • Only a year warranty


  • Affordable and durable
  • Versatile coverage area
  • Excellent filtration and easy maintenance
  • Child lock feature and good after-sale support


Philips Air Purifier Series 2000 AC2958/63

Philips Air Purifier Series 2000 AC2958/63

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  • Power Consumption (W) – 46W
  • Coverage Area(sq.ft.) – 400sq ft
  • Air Flow Rate (cubic m/h) – 380
  • Filter Type – True HEPA and Carbon
  • Dimensions – 33 x 33 x 65.2 Centimeters
  • Noise Level – 30 dBA
  • Remote Control – No

Overall Score: 4.8/5

Another Philips air purifier is on our list, and this one is evolved in both aesthetics and features. Unlike the previous Philips we reviewed, this one relies more on quality and cutting-edge technology to provide you with fresh and clean air.

The Philips 2000 AC2958/63 air purifier filters the air within 8 minutes, making it fast and reliable, unlike other units that take a brief period to project fresh air. With 360° airflow and a 380-meter cube per hour CADR, the purifier easily cleans 20-meter squares within six minutes.

Our experience with the product was terrific and smooth. Features like sleep mode dim the light and operate almost silently to provide a good sleep. 

The intelligent sensor for purification makes things a lot easier. It monitors the air to detect ultrafine particles and responds to the change in air quality while automatically choosing the right speed and settings for you.

The space-saving design makes it easy to place anywhere in the room, and the low power consumption makes it easy on your pocket. The air purifier runs at 46W power, which commensurates one standard light bulb.

The air purifier also offers an app with which you can connect the unit to monitor the air quality outside your home, and the app also apprises you if the quality is not proper. The auto mode and three-time manual speed levels provide complete control of the noise level at home.

While using the product, we loved how it accurately calculates filter lifetime based on the air quality and operation time; once the filter needs replacement, it alerts you for easy maintenance and proper scheduling.

Talking about the central part that we loved is filtration. The true HEPA filter captures 99.97% particles of 0.003 microns or more. It goes through three layers of purification with pre-filter, activated carbon, and NanoProtect HEPA filter. The unit can easily remove bacteria, dust, mite, pet dander, gas, smoke, pollen, and other pollutants. Plus, it is certified by the European Center for Allergy Research Foundation.

The best part about the product is that it captures Aerosols, including viruses that lead to respiratory problems.

The product also comes with a 2-year worldwide warranty and fantastic customer service.


  • Wonderful features and compact design
  • Less power usage and low maintenance
  • Less sound and silent operation
  • Impressive filtration effectiveness


  • A tad bit more costly than the previous model, but quality and features speak


  • Altogether tried for quality you can trust
  • Keen sensors for canny cleaning
  • HEPA channel catches 99.97% of particles of 0.003 microns
  • Elite performance for rooms of up to 45 m²
  • Eliminates up to 99.9% of infections and mist concentrates from the air


Eureka Forbes Aeroguard AP 700EX Air Purifier with HEPA Filter

Eureka Forbes Aeroguard AP 700EX Air Purifier with HEPA Filter

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  • Power Consumption (W) – 43W
  • Coverage Area(sq.ft.) – 602sq ft
  • Filter Type – True HEPA and Carbon
  • Dimensions – 17.2 x 32.5 x 51 Centimeters
  • Noise Level – 20 to 44 dBA
  • Remote Control – No

Overall Score: 4.6/5

The second last air purifier is from a company that is not well-known here in India but has managed to get the spot on our list for good reasons. The Eureka Forbes Aeroguard air purifier comes with an ultra-silent mode and superb filtration system at an affordable price. 

Talking about our experience, the air purifier is excellent and lived to its a reputation for providing top-notch quality fresh air. It is the perfect combination of smart tech and solid performance. The purifier has an Asthma Society of India (ASI) certification that ensures quality and performance. 

The design and aesthetics of the Aeroguard air purifier are excellent and can comfortably sit in any room without consuming much space, thanks to the compact design. 

The filtration is immaculate and provides complete disease protection owing to its six filter layers ensure pure and fresh air quality. The first anti-dust filter takes care of the visible and large particles such as pet dander and dust. The second filter removes harmful carbon deposits from the air, increasing the lifespan of the HEPA filter. The third-layer and third filter is the UHD HEPA filter that removes 99.97% of harmful PM as tiny as 0.3 microns. 

The following filter is anti-bacterial, which forestalls fungi and bacterias and hinders their growth. The activated carbon filter takes care of all the toxic VOC, odor, smoke, and gases, and the last H1N1 resistant filter deals with viruses. Considering these filters, you can expect ideal protection from the air purifier.

Another best part of the product we loved is the ultra-silent operation that allows perfect and undisturbed sleep. You also get features like child lock, auto mode, timer mode, and so forth, making your life easier. Not to mention, the area coverage is massive, and the airflow is fast, making it an excellent product within your budget.


  • Eliminates 99.99% of airborne viruses and pollutants
  • Certified by ASI
  • 3000 working hours lifespan
  • Pollution level indicator and Ultra-silent sleep mode
  • Affordable and full of features


  • The company needs to improve its delivery logistics


  • Maxim filtration with filter max technology
  • A plethora of features at an attractive price
  • Certified and lab-tested product
  • Effective against viruses
  • Durable and whisper-quiet


KENT Aura Room Air Purifier 45-Watt with HEPA Technology

KENT Aura Room Air Purifier 45-Watt with HEPA Technology

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  • Power Consumption (W) – 45W
  • Coverage Area(sq.ft.) -180 sq ft 
  • Filter Type – True HEPA Filter
  • Dimensions – 34999.93 x 17999.96 x 48199.9 Centimeters
  • Noise Level – 34 dBA
  • Remote Control – No

Overall Score: 4.3/5

Last but not least is the Kent Aura Room Air purifier. Kent is a famous company known for its best water purifiers, but they are acing the marking with their air purifiers! It provides good filtration and fresh air at lower prices and running costs.

While we were trying out the product, the unique thing about this air purifier was its in-built ionizer. The ionizer releases negative ions to keep the indoor air fresh and constrain the pollutants to adhere to walls or other surfaces such as the floors, doors, etc. It makes the environmental contaminants accessible, but the body of those pollutants is still on your floors or surfaces.

The air purifier uses HEPA filters to effectively remove hazardous pollutants from the air by sucking them inside a three-layer filtering system. The HEPA filter deals with PM2.5 and SPM airbornes, and the activated carbon helps remove the foul smell, odor, gases, and VOCs from the air.

The size and design of the model are small, lightweight, and compact, allowing the user to quickly move it in different rooms where purified air is needed the most. While using the product, we found that it was highly convenient to use and install the model without any hassle.

Besides that, the air purifier also accompanies timer function for better convenience and overall reliability. The intelligent sensors monitor the air quality and respond to it by altering the settings and speed as or when needed.

As the product is indigenously developed in India, the customer after purchase support is impressive. You also get a 1-year warranty with the product, which is less than other products.


  • Small, lightweight, and compact design
  • HEPA filter for better purification and ionizer for improving air quality
  • It consumes less energy and comes at a lower price
  • Easy to use and install


  • The pollutants cleansed by the ionizer stay on the floor or surface, so you might have to clean that as well
  • Low coverage area and CADR rate


  • A year warranty and excellent after-sale service
  • Good protection against most pollutants
  • Inbuilt ionizer to clean the environment and improve quality of the air
  • Less energy consumption and easy on the pocket



Do Air Purifiers Really Work? Myths & Facts

Do Air Purifiers Really Work

Yes! Air purifiers are known for cleaning significant pollutants from the air, and they do work!

Generally, air purifiers are intended to clean out the air pollutants such as dust, allergens, pollen, spores, etc. In addition, some air purifiers might also capture or reduce bacteria, odors, and viruses, but not all units can do this.

Furthermore, it is also essential to note that not all units will capture volatile organic compounds, commonly found in household cleaners or aerosol spray.

If you are dealing with asthma or allergies, an air purifier can prove propitious as it quickly removes common allergens. However, it is crucial to understand that air purifiers will only remove airborne allergens, not those embedded on the floors or furniture.

If you want your air purifier that lasts long, make sure to replace the filters frequently. Most manufacturers will provide a user and maintenance manual with the product, but the exact time mostly depends on air quality and usage variables.

Besides that, it is vital to be realistic regarding air purifiers. You’ll see various organizations glibly claiming their air purifiers have a coherence of 99%. Still, they have tested its controlled environment, and thus the efficacy can vary depending on your house and air quality.

Not just that, but where you place the air purifier also plays a crucial role in determining the particular product’s effectiveness. While installing the air purifier, ensure that you read the user manual correctly and ensure it is placed in the appropriate spot.

Generally, some air purifiers require a particular space between the wall and the product, while others, especially smaller ones, tend to do great on a table or desk.

Don’t worry, the products we have mentioned in the above list are all tested and tired in a typical home environment. So you can pick one without thinking twice.



How to Choose the Best Air Purifier?

Given the multiple brands claiming their air purifier is the best in the biz, you need to keep certain factors in the back of your mind while selecting the right, let alone the best air purifier.  Listed below are some important characteristics to help you choose the best one!




Air Changes Per Hours

KENT Aura Room Air Purifier 45-Watt with HEPA Technology

Air changes per hour or ACH measure how effective the air is exchanged or filtered in the room. It is sometimes referred to as air exchange rate and abbreviated to ACPH.

Knowing ACH is essential for measuring the effectiveness of indoor air quality that is filtered. Many manufacturers recommend a specific ACH rate for different facilities that ensure enough air is exchanged for better air quality.

For instance, education facilities like schools and colleges should have an ACH rate of 5 or more.

Generally, ACH is calculated by multiplying the CFM (Q) (Cubic Feet Per Minute) of your air purifier by 60, and once you get the number, you divide it by the total volume of air exchanged.

For example, if we calculate ACH of 7 building rooms:
You will need total volume to calculate by multiplying each room’s height, length, and width (ceiling height of 8′).

For our hypothesis, we get a Total Volume (V) = 7532 cu ft sq
Our air purifier is CFM (Q) 550
Therefore, the ACH formulation would be 60(550)/7532 = 4.3 ACH rate


Room Size

Room size is the one factor that is often overlooked. Generally, most air purifiers come with a recommended room size. 

We suggest this on an air change rate of 3 per hour for standard ceiling height (2.2m). This way, it provides a complete air cleaning and stays regular with the room’s normal airflow.


Type of Filter

There are many different filters, and some are better than others for stripping specific particles. Here’s a brief explanation of some of the main types.

  • HEPA: High-efficiency Particulate Air filters are certified and manufactured to such a standard that it quickly catches 99.97% of particles with a size greater than or equal to 0.3 microns. However, not all HEPA filters perform the same; some air purifiers with HEPA filters can vary in efficiency and performance (more on this shortly).
  • Activated Carbon: A type of sorbent media filter (the filters that use very high surface area to catch gaseous pollutants) most commonly used in air purifiers. According to the EPA, filters should be correctly and frequently maintained to forestall carbon from getting saturated.


Typically carbon is not that effective at removing formaldehyde or other low-weight aldehydes. Some filters utilize chemisorption to target other chemicals and stabilize gases that activated carbon cannot remove. Chemisorption happens when an agent is instilled into the sorbent media filter, and the gas reacts. Once it gets saturated, the caught gases in the filter might break through and release into the environment again.

  • Earth Minerals: Seldomly found proprietary sorbent media filters composed of magnesium oxide, titanium dioxide, and zinc oxide. These earth minerals are good at absorbing, breaking down, and neutralizing the chemical compounds into non-toxic essential elements. It also uses chemisorption to target some gases and stabilize the chemical compounds.
  • PCO: Photocatalytic Oxidation (PCO), a type of Ultraviolet Germicidal Irradiation (UVGI — uses lamps to deactivate or kill bacteria, viruses, mold, spores, and other microorganisms), uses UV light and a titanium oxide-coated filter to convert pollutants into innocuous water and carbon dioxide. Though PCOs effectively transform many pollutants, they may produce chemical by-products like formaldehyde and ozone.
  • PECO: Photo Electrochemical Oxidation is another established UVGI based on an identical system as PCO. It uses a modified UV light to start the synthetic effect that breaks down the contaminants without producing ozone or chemical by-products.
  • Ionizer/Electrostatic Filters: These filters use an electrostatic charge to ionize particles with 0.3 or more micron size. In the ionizer, the particles caught inside the filter die and fall to the floor or surfaces, where they must be cleaned away.



The concentration of typical pollutants removed by the air purifier when they move through the unit often depicts the efficiency of the product. 

For instance, HEPA filters should have an efficiency of 99.97% for 0.3 or larger microns. Some manufacturers may provide the total and individual-sized particles, which can prove beneficial as not all models remove smaller particles.

Here is the list of particulate matter sizes and their categories.

  • Coarse particles such as mold spores and pollen (2.5 to 10 microns)
  • Fine particles like dust, virus, pet dander, bacteria, and so forth (0.1 to 2.5 microns)
  • Ultra-fine particles such as tobacco smoke, viruses, wildfire smoke, and soot (less than 0.1 microns)

If you want efficiency to remove a particular particle contaminant, you must look for the efficiency for that size. Ensure that the air purifier you are opting for strips a high portion of contaminants for that size range.


Clean Air Delivery Rate (CADR)

Remember we mentioned something about CFM (Q) for an air purifier, and in our hypothetical case, we used air purifier CFM (Q) 550? It turns out that 550 is the CADR or Clean Air Delivery Rate, which is the measurement of the volume of air that your air purifier can filter within a minute.

The CADR is measured in Cubic Feet Per Minute (CFM), and the higher the CADR, the better and more air can be processed in your room within a set time frame. For typical households, a CADR of 250 is considered to be excellent.

Though CADR is an essential factor, it comes with limitations. The measurement tells you only about particulate pollution and nothing about stripping volatile organic compounds (VOCs), gases, or odors. Besides that, it favors the air purifier that performs great and fast but does not assess its performance.



Noise is yet another crucial factor when it comes to air purifiers. Many air purifiers are very quiet and silent, while many units contain a fan so that you can expect a small amount of noise.

Generally, a typical unit comes with about 50 Db, and if you are sensitive to noise or wish to place the air purifier in your bedroom, make sure that you are going for the ones that are silent or as quiet as possible.


Energy Consumption and Start Ratings

Air purifiers are not cheap, and they might be just as expensive to run. Generally, most consumers will run their unit nearly around the clock, which will result in a spike in the electricity bills. Therefore, you must look for the ones that consume less energy.

Fortunately, you can do that by simply looking for energy star ratings. Star ratings are on a scale of 5, and the higher the number, the more it will save your energy. For instance, a 4-star air purifier will consume less than a three or two-star rating.


Running Costs

Maintenance and running costs are expected in air purifiers. Power consumption is one of the many other factors like a regular bulb or filter replacement (typically about every six months or year). 

To keep your unit running effectively, make sure that you maintain it frequently. Some air purifiers come with washable, cleanable, or permanent filters that can cut down maintenance. However, if your air purifier does require filter replacement, it is imperative to adhere to it to keep your unit working correctly. 

A clogged-up or dirty filter might prevent the unit from performing at its full potential and effectively cleaning the pollutants from the air. You will find the maintenance guide in the manual provided mainly by the manufacturer while purchasing, and make sure to follow it as or when necessary.


Warranty and Certifications

Besides that, all good air purifiers must come with some warranty. Ensure the unit you choose is certified and from a trusted brand so that you don’t have to worry much while purchasing. The more extended warranty, the more confidence and peace of mind you’ll have, as it will be in your home for many years to come.



Why Air Purifiers in the First Place?

Air purifiers are an excellent way to deal with indoor pollution, which can be full of allergens, pollen, dust, and other triggering particles. They keep the environment clean and healthy by removing and reducing viruses, pet dander, spores, and more.

Therefore, understanding your specific need and why you need an air purifier can quickly help you make choices. 

  • Asthma: If you are struggling with asthma or your symptoms are triggered by pollutants or odor, getting an air purifier is necessary. It would be best to go for HEPA filters with a chemical air purifier that deals with the odor.
  • Allergy: Individuals with allergies must consider getting an air purifier. It effectively cleans common air pollutants and allergens, and they come with multiple filters that aid in cleaning the air.
  • Pets: Many air purifiers are designed explicitly to deal with pet dander, odor, and hair.
  • Smoke: Smoke air purifiers remove smoke from places that generate fumes like kitchen and fireplace soot that could exacerbate respiratory problems or cause obnoxious odor in the environment.
  • Chemical Sensitive: An air purifier for multiple chemical sensitivity (MCS) can help when sensitive to chemicals. Such air purifiers have more profound filtration for chemicals and odor.



5 Best Air Purifier Brand in India

Let’s talk about the brands that are currently the best in the market regarding air purifiers. Knowing which brands to trust and purchase from will save you time and money!



Dyson is the globally leading brand for air purifiers and technology enterprise that has delivered quality for years, winning the customers’ hearts. Dyson started as a small workshop in rural England. It has grown into a technology company with global offices located from Auckland to Zurich through Shanghai, Moscow, and Chicago.

The development team and engineers that make its Research, Design, and Development (RDD) department are the best in the field, manufacturing products that are the epitome of quality. The after-sale service and quality products make this brand the leading brand in India.



It is a no-brainer; whenever technology is mentioned, especially in products, you will hear the name Philips tossing around every time. It is because the company is renowned for its quality and technology growth.

According to the Boston Consulting Group 2020, “Top Most Innovative Companies, the company is a global leader and number one MedTech company.”

With the slogan “Innovate and You,” the brand provides an excellent user experience and after-sale service. The simple design and simplicity in the technology combined with the modern look and features make the product unbeatable. The company is also acknowledged as global health technology, and it aims to improve 2.5 billion lives by 2030.



Coway was founded in 1989 and started as a door-to-door sales business of water and air purifiers. The company is well-known in India and across the world for its excellent qualifications. The brand and its products are certified by IMS, ISMS, DJSI Asia Pacific for three consecutive years, NET, and International Safety Center.

Moreover, the company also obtained IEC 61770 certification for developing a three-layer type carbon filter and authorized it for testing laboratories.

With more than four million happy and satisfied customers worldwide, the company provides impressive after-sale services. The company is one of the largest and fastest-growing brands, establishing its operation in the US.


HoneyWellHoneywell is a company innovating for more than 100 years in different industries. From Aerospace, Building Technologies to Safety and Productivity solutions, the company is renowned for its work. With transforming more than eight industries, the brand serves a global community and is an accepted leader in technological aspects.

HoneyWell has three headquarters located in Charlotte, North Carolina, and the US. The company is committed to the highest standards in everything they do, and they prove that by their quality products. Air purifiers and other brand products are recognized in India because they are more efficient, practical, handy, quality, and friendliness.



Mobile Internet or MI has served the world with unique and latest technological products at a very attractive price. Xiaomi was established in 2010 by entrepreneur Lie Jun. Though the company is relatively new in the golden era of technology, it has managed to outsmart and outplay many known companies by providing high-quality products conflated with cutting-edge technology.

Xiaomi is idolized for its software, hardware, and internet services with a happy customer base. The company provides excellent quality units, from smartphones to the best air fryers. For the past decade, the company has been expanding its footprints worldwide in over 30 plus countries and becoming a global brand.


Other Brands to Consider

  • Levoit
  • Austin
  • Blueair
  • PureZone


Let’s Get Some Clarity! 

Listed below are some commonly asked questions.


Are air purifiers effective in India or a waste of money?

Indoor air pollution in India contributes to more than 50% of pollution in India. Because confined places allow potential pollutants to pile up more than open spaces, a closed environment is 10 times more detrimental than an identical outside concentration. Hence, you need an air purifier because nothing is expensive if it’s about your health!


Can Air purifiers be harmful?

Earlier, the technology used in manufacturing was not as advanced as today; hence, it could harm the environment and the individuals within the enclosed space. However, the new HEPA and Carbon filters are not harmful and safe for use!


Where To Place Air Purifiers?

Generally, it would be best if you placed air purifiers near the place where contaminants or air pollutants are the most and worst, like smoke, odor, or mold source. It would help if you also aimed to put it three to five feet off the ground and in places where the airflow is the highest such as windows, walls, and doorways. 

Caution: However, ensure that you are not placing the air purifier in a corner or near low indoor airflow.


How are an Air Purifier and a Humidifier Different?

Air purifiers clean the air by removing pollutants and contaminants. A humidifier uses a fan and wick to evaporate water or ultrasonic technology. 


Will all Air Purifiers Remove Dust?

Yes, most air purifiers are designed to strip dust from the air, and the ones with genuine HEPA filters can do so more effectively. HEPA filters can easily capture most pollutants and dust with 99.97% efficiency for particles as tiny as 0.3 microns.


Why is Air Purifiers So Expensive?

The investment of more time, energy, research, and technology will make the product costly, given the effort included. However, some nefarious companies also use advertising and marketing gimmicks to fool people into splurging too much on flaunting machines.


Is HEPA Filter Best for Allergies?

Yes, HEPA filters are excellent for allergens such as smoke, dander, and pollen. These filters can capture from large to tiny particles floating in the air. If you are dealing with allergies, you should check HEPA filters for permanent and portable air purifiers.


Can you sleep with an air purifier on?

Yes, without a doubt. Some people, however, complain of dry skin after sleeping with an air purifier working all night. However, owing to innovative technologies, we now have alternatives that combine an air purifier with a humidifier to ensure no dryness!


Which city is most air polluted in India?

  • Kanpur,
  • Faridabad,
  • Varanasi,
  • Gaya,
  • Patna,
  • Delhi,
  • Lucknow,
  • Agra
  • Muzaffarpur
  • Srinagar



Final Verdict

That’s it, folks. Before leaving, if we had to pick one winner, it would be none other than the Dyson Pure Cool Link Tower TP03 Air Purifier.

Firstly, the product is best in the biz and from a company respected for its quality products. Secondly, the available features and effective filtration system make it better than most competitors. The area coverage and CADR offered by the air purifier are crazy, making it more efficient and reliable. Lastly, the offered after purchase support and warranty are just fantastic. 

If you have any questions, please list them down in the comment section below; also, make sure to leave your email address so we can get in touch with you regarding your query.

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