HomeNewsAir Purifier: What to look for, how to buy

Air Purifier: What to look for, how to buy

Air Purifiers are flooding the market with fancy and unique features, that can puzzle anyone.

With Diwali and the dreaded winter smog, well on its way, it’s time to take a hard look at whether you will need to go for an air purifier this year. First, the bad news. As far as air pollution goes, predictably enough, regarding the actual change on the ground, the government and its agencies have been a big failure, with attention conveniently shifting to managing waste disposal for now. So expect no significant improvement over last year’s insane levels of air pollution. Especially if the biggest contributors like the burning of wheat stalks etc continues in North India.

In case you are one of those who decided to ignore all the warnings and has gone by without a purifier till now, then you might want to consider the changing environment now. Today we all spend a significant time of our lives indoors — car, office, home or malls, and the air we breathe indoors can quickly turn more polluted and dangerous for our body than outdoors.

Reports have shown that indoor air has a higher concentration of gases and particles compared to outdoor air, due to improper ventilation combined with high temperature and humidity levels. So there is no right or wrong time to use an Air Purifiers. It’s a healthy practice to use one at all time, once the levels cross safe thresholds, as they will over the next two months.

What is an Air Purifier?

Air Purifier is a product that improves the indoor air quality by creating a healthy and comfortable indoor environment. As indoor air is polluted with harmful substances such as ultrafine dust particles, harmful gases, live smells, allergens, etc. It removes these pollutants by using the internal filters and creates healthy and clean indoor air quality.

There are some air purifiers in the market with fancy and unique features which can quickly puzzle anyone and you might end up buying the wrong air purifier for your home, car or office. So read on, to avoid making that mistake for your home or office.

Features of Air Purifier

The core feature of an air purifier is the filters. Filter based purification traps airborne particles by size exclusion. Air is forced through a filter and particles are physically captured by filters, depending on their size.

Filter Name



It can filter out large dust particles

Allergy HEPA Filter

It can filter out dead sticks, pollen, cigarette smoke(particles), dust, animal hair and other fine particles including bacteria.

Deodorizing Filter

It can filter out cigarette smoke, kitchen waste, animal hair, nitrogen dioxide, acid and alkaline, other odours, and volatile organic compounds.

High-efficiency particulate assistance (HEPA) filters remove at least 99.97% of 0.3-micrometer particles and are usually more efficient at removing larger particles. And all the filters are arranged in such a way that no air bypasses the HEPA filter or any other filter for the best air quality. Basically, air purifier filters the dust of all sizes as well as the smell.

Which Air Purifier to Buy?

Air Purifier manufactured by the reputed brand is definitely the best, but before buying the air purifier customer must look for some guidelines like room size, specification and filtration performance, humidification function and design since an air purifier is the part of the facade and will add creativity to the room or office.

Size —The easiest way to do this is to calculate the square footage of the room. If you have allergies or asthma, we recommend you go a step beyond considering the square foot coverage area and also consider the number of Air Changes per Hour(ACH), a unit will produce. We suggest looking for air purifiers that can produce at least 4 air changes per hour. This piece of information notes the maximum size of space (in square feet) you should use the air purifier in to achieve 4 complete air changes per hour. This number can often be less than the manufacturer-suggested room size, but it gives you a more accurate expectation for how well an air purifier will clean your air and help relieve your symptoms.

The objective of Air Purifier — Air Purifiers are largely vary based according to the type of pollutants it removes like removing dust, pollen and danger than HEPA filters are preferred. And for cigar smoke pollution deodorizing filters are referred.

Noise — Motor present in the Air Purifier, draws the air inside and outside so that air could easily pass through filters and provide us with a healthy air to breathe. Some brands offer silent mode setting which makes them silent. Hence these type of Air Purifiers is suitable for bedrooms.

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In India, the price of air purifiers can vary from Rs 5,000 to Rs 60,000 upwards. Many factors such as the size of the coverage area, type of filters used the Air Purifier, sensors present in the Air Purifier impact the cost of the air purifier. Hence, based on your budget, you can either go for the expensive ones or the less expensive ones according to your requirement. Some Air Purifiers are followed.

Philips Air Purifier Series 1000 (Rs.11,995)


Night sensing mode is the new technology of the Series 1000 specially designed for the bedrooms. It reassured the constant air quality monitoring and delivers clean air while you sleep. The Series 1000 Air Purifier is so quiet that you won’t even notice in the room while you sleep

Key Features

  • NightSence Auto Mode

  • Smart Light Control

  • Auto Mode

  • Multiple Fan Speed

  • Healthy Air Protect Alert

  • Child Lock

Honeywell Move Pure Car Air Purifier (Rs.7,999)


Honeywell Move Pure Car purifier comes with advanced double layer active carbon filter and high-grade HEPA that remove TVOC, cigarette smoke, bacteria, virus, toxic gases and odour. It’s easy to install, you can place it on rear parcel tray and run the cable through the gap in the rear seat and below the mats to go all the way up to the power point in front. You can also install it on flat dashboard surface. Best suited when travelling: With Kids, with pregnant women, with allergic individuals, with asthmatic individuals, with Pots, on a long drive to the office.

Key Features

  • Effectively removes hair, large dust particles and animal dander

  • Display filter replacement reminder

  • Advanced double layer active carbon filter

Atlanta Healthcare Beta 350 7-Stage Purification Air Purifier (Rs 11,960)


The Beta 350 has a 7-stage air purification technology that includes Prefilter, Antibacterial filter, H13 grade HEPA, Activated carbon, Photo Catalyst, Ultra Violet and Ionizer. Beta 350 is very effective in combating air pollution in Indian environment conditions and in preventing ailments like asthma, allergies and air borne infections.

Key Features

  • 7-stage purification

  • Sterilize/UV

  • Timer and Auto Start

  • Pollution Sensor

  • Super Silence Technology

Philips 2000 Series AeraSense AC 2887/20 56-Watt Air Purifier (Rs 18,799)


AeraSense is an innovative technology with the accuracy and performance of a professional sensor. It senses harmful particles smaller than even PM2.5, ensures the purifier adjusts for cleaner air output and provides real time feedback.

Key Features

  • Covers room size of up to 24-41m2

  • CADR (Clean Air Delivery Rate) of 333 m3/hour

  • 100 percent ozone free

  • Dedicated pollution, allergen and bacteria/virus auto modes

  • Warranty: 2 years on product

  • Power: 60 watts

LG PuriCare Air Purifier AS40GWWK0 (Rs 39,990)


Best in the class, LG Air Purifier is suited for purifying the air from bacteria/virus, this air purifier is 100% ozone free. The Best part is its design, now you don’t have to worry about whether it will match your living furniture or not.

Key Feature

  • PM 1.0 Smart Sensor and display

  • 6-step filtration

  • Mosquito away technology

  • Quiet Operation

  • Ergonomic Design

  • Smart ThinQ Application

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    Also, one can explore three different Air Purifiers withMosquito catcher,Dehumidifier and Humidifier capabilities along with a CarAir Purifier introduced by Sharp.

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