It is often said that it is easy to solve a problem that everyone sees but is hard to solve something that almost no one sees. This statement is for sure true when it comes to the issue of contaminants and pollutants in the air which are present not only outdoors but surprisingly indoors too.
With the alarming levels of pollution and poor air quality, investing in an air purifier has become commonplace. And with our lives being dominated by the coronavirus pandemic since the last year and a half, buying an air purifier has become the need of the hour.
The core of this device is the filter, fan and the design which determines how effectively it sucks in the air and purifies the same. While HEPA filters are the standard, many air purifiers use additional filters to remove various kinds of impurities including Volatile Organic Compounds (VOCs). When investing in an air purifier it is imperative to understand the room size it covers and its CADR — Clean Air Delivery Rate. Other factors to consider are the cost of the filter, feasibility of its replacement and other features like ultra violet rays to kill viruses, internet connectivity, cost etc.
Here is a quick look at some of the most popular air purifiers available in India:
Philips’s air solutions are well known to improve air quality by removing allergens, bacteria, virus, pollen etc. Professional grade sensors facilitate continuous monitoring and real time displays enable instant feedback. The models work seamlessly with their Air Matters app making it really convenient as you can operate the device from the touch of your smart phone. The Philips High Efficiency Air Purifier AC2887 is one of their top models with a CADR of 333 and comes with a true HEPA filter along with an activated carbon filter. For smaller rooms you can consider the Philips AC1217/20 model.
A global brand based in South Korea, Coway has the largest R&D centre for air care products. They are powered by a 3-stage filtration process that includes a pre-filter, deodorization filter, and a green True HEPA Filter which eliminates fine dust and even odours. With a 99.9 % protection against viruses and allergens, Coway’s HEPA filter is made of Japanese Gingko leaves and Sumac trees, which destroys the protein present on the virus surface. The models are supported by excellent after sales support.
Known to eliminate close to 99.95% of allergens and micro pollutants that are as small as 0.1 microns. They are equipped with vacuum sealed 360-degree glass HEPA filters and the models are compatible with the Dyson Link app to provides real-time air quality reports. “I have been using the Dyson Pure Hot and Cool Air Purifier (Advanced Technology) since 2019 and am really happy with the air filtration and purification qualities,” says Richa Gupta, 35, an independent PR strategist from Noida. The Dyson Pure Cool Link Tower WiFi-Enabled Air Purifier TP03 is yet another popular model from the brand.
“AiRTH purifiers work on unseen viruses and air pollutants by just
Dyson air purifiers come with intelligent purification and air multiplier technology making them very popular. Image courtesy, Dyson
not capturing them but also deactivates them,” says Ravi Kaushik, an IITB alumnus and CEO at AiRTH. Developed by IIT Bombay and supported by IIT Kanpur, AiRTH uses the proprietary SAVE (Sanitizer for Airborne Virus Elimination) technology. It is known to remove 99.87% of the microbes and removes particles having size 100 nm.
Xiaomi air purifiers are competitively priced and convenient to use. Image courtesy, Xiaomi
Competitively priced, MI Air Purifier 3 from Xiaomi is affordable and effective with a CADR of 380. It is equipped with a true HEPA filter which eliminates 99.7 % particles and works perfectly with the Xiaomi Home app, Amazon Alexa and Google Assistant. Sleek in appearance it has a clear OLED display and comes with a warranty of a year. It’s 360-degree air intake makes it highly effective for air filtration.
A brand from the formidable house of Eureka Forbes, Dr Aeroguard has a wide range of models suitable for bedrooms living rooms, kitchen and even the bathroom. They are built with the filter maxx
technology that includes a lung filter (to remove fine carbon particles), a HINI HEPA filter as well as an anti-bacterial filter all of which gives a 9-stage purification. The Dr.Aeroguard HPA 500 model covers a large area of up to 890 sq. ft.
The range of Honeywell air purifiers are especially designed for Indian homes and have safe air filtration technology. The models are 100% ozone free and are equipped with multiple filters including HEPA and patented HiSiv technology. The latter has an advanced molecular sieve design with activating agents that absorb pollutants with high efficiency. Ergonomically designed, Honeywell air purifiers are child safe and ensure a unique 3D air flow.
Known to integrate active plasma cluster technology and passive filtration, the air purifiers from Sharp eliminate air pollutants, microbes (including H1N1, E. Coli etc) as well as harmful VOCs and toxic gases. Fitted with a HEPA filter with JEMA standard from Japan, Sharp models are efficient, high performing and cover a large surface area. Some models come with a Haze mode which is very useful when the pollution is very high and also have an LED indicator for the pollution levels. There are models with built in dehumidifiers as well as mosquito catchers.
Built with a AiroFresh Technology which includes five stages of
Sharp air purifiers integrate active plasma cluster technology and passive filtration making them effective against VOCs and microbes. Image courtesy, Sharp
filtration that includes a pre-Filter, cold catalyst, activated carbon, antibacterial and HEPA filters, it is effective against household cooking smells, pet odours and smoke apart from other allergens and pollutants. The Havells Freshia AP-20 is a popular model and comes with features like sleep mode, automatic filter replacement indicator and odour sensor. "I have minor breathing issues and have been using Havells air purifier in my bedroom with great results," says Ravindra Goel, 56, Businessman from Delhi.
O2 Cure’s Plug & Play Purifier is built in with PHI technology known to act against pathogens and virus including the deadly corona virus. This patented active air purification technique neutralizes pollutants and microbes at the source itself by altering its DNA and RNA structure. “In view of the current pandemic, it was important to come up with an indigenous product to help people fight the virus. O2 Cure air purifiers are custom-made to tackle current challenges by neutralizing the virus at the source in the air as well as on surfaces,” says Kartik Singhal, Founder of O2 Cure.
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