Xiaomi Launches Mi Air Purifier 2 in India @ 10k (Poll)

[drkrack]

Xiaomi Launches Mi Air Purifier 2 @ 10k

As with any Xiaomi product, the Specs are pretty good for the price,
it has a very Good CADR and 360 deg capacity, with triple layer filter, targets 2.5um particles which is quite good. I was researching air purifiers recently, but wasn't sure about its real life benefits, especially the preventive aspect and was bombarded for recommendation of Air filter from Relatives & friends.
Anyone using a Air purifier at home ? Any Experiences ? the same from other reputed brands would cost above 20k .

http://www.in.techradar.com/news/Xi...geringly-low-Rs-9999/articleshow/54443292.cms

Xiaomi, in an event in New Delhi today unveiled the Mi Air Purifier 2 for an incredibly low price of Rs 9,999.

The Mi Air Purifier 2 is an intelligent product with smart features that make using it to clean the air simply effortless. It comes with a 360 degree 3 layer filter, real time monitoring and timer schedules via the Mi Home app and4 different modes including auto and manual.

Pollution Crisis in India and China
At the event, Xiaomi VP Hugo Barra talked about the pollution crisis globally, especially in countries like India and China. He talked about how Xiaomi is poised to play a part in increasing awareness about air pollution in India and how technology can be applied to better people's lives.

On a personal note, he also discussed about his move from USA to China and how he never expected the pollution problem to be this bad.

According to the World Health Organization, 22 of the world's 50 most polluted cities are in India, contributed significantly by industrial and vehicular exhaust. Particulate matter 2.5 (PM2.5) — air pollutants with a diameter of 2.5 microns or less — are small enough to enter even the smallest airways and could result in respiratory and cardiovascular illness.

New MIUI 8 weather app
To increase awareness about air pollution, Xiaomi has now become the first smartphone brand in India to integrate Air Quality Index (AQI) data — which also reflects the measurement of PM2.5 particles in the air — into its MIUI 8 Weather app.

What are PM 2.5 and PM 10 particles?
PM 10 particles are pollutants which are 10 microns in size, approximately the size of a human Air. They include things such as dust, pollen and mold.

PM2.5 particles are pollutants which are 2.5 microns in size, 1/30th the size of a human hair In fact, they are so fine that they are invisible to the human eye tand can go deep into our lungs and blood stream, causing cause short term and long term health problems.

Mi Air Purifier to the rescue
Mi Air Purifier 2 quickly removes PM2.5 particles, dust, indoor plant pollen, pet fur and more. With its high 310m3/h CADR (Clean Air Delivery Rate), Mi Air Purifier 2 takes just 10 minutes to circulate purified air in a 21m2 room.

Extremely quiet and energy efficient
Even so, the motor is extremely energy efficient with a low power consumption of 4.8W, while advanced aerodynamics reduce noise and wind resistance, resulting in a noise level as low as 30dB in Night mode.

360 degree 3 layer filter
The 360° cylindrical filter on Mi Air Purifier 2 takes in air more efficiently from every direction compared to conventional air purifiers. Its triple-layer design removes particles larger than 0.3 microns with a high-density EPA filter, while an activated carbon filter removes formaldehyde, bad odour and other harmful substances.

The life of the filter is around 6 months depending upon usage. Changing the filter is very easy and new filters can be bought on mi.com .

Hugo Barra, Vice President, Xiaomi, said: "Air pollution is becoming an alarming public health concern in India. It is heartening to see more conversation around the situation, but there is still a big gap when it comes to consumer awareness. We believe that we are able to play a role in increasing awareness about air pollution by including AQI data into our MIUI Weather app, and by introducing Mi Air Purifier 2 to India. At this game-changing price, Mi Air Purifier 2 is set to disrupt the air purifier category in India, enabling us to bring these technological innovations to everyone."

Price and availability
Mi Air Purifier 2 will be available on Mi.com starting 26 September at 12 PM, at a price of INR 9,999. It will also be available on Flipkart (exclusive partner) from 2 October.

New filters cost Rs 2,499 and will also be available via mi.com .

Mi Air Purifier 2 in a nutshell
Here are the key features of the Mi Air purifier 2:

Real-time AQI monitoring, Wi-Fi connectivity
Mi Home app smart controls (Android and iOS)
Aerodynamic air vortex, up to 37m2 (400 sq. ft.) coverage
310m3/h Clean Air Delivery Rate (CADR)
360° triple-layer filter, removes harmful PM2.5 articles
4.8W energy saving, ultra-quiet 30dB noise level
Compact form factor: 520mm tall and base area smaller than an A4 sheet of paper
Replacement filter available online at INR 2,499

 

[6pack]

Even I was looking at air purifiers. Saw on YouTube that we need to get one that can circulate the air in the room at least 7-10 times in an hour. Notice how all the marketing brochures leave out this vital detail? Cause they all use a paltry 120mm computer fan to move air. Some use 200mm fans. The small ones which cost ~7k don't do shit. At most they circulate the air 2-3 times in an hour. Ones with no HEPA filters are crap. Most just put an ozone or ion generator and call it as air fresher. Ozone is bad for health when it gets concentrated in the room.

All these companies are selling bad products right now which are of no use. Save your money.

Edit:

 

[adventureguy]

Mi air purifier does have HEPA filter. It seems costly but other air purifiers with similar features do cost more.

 

[onlyravi]

Anyways apart from all facts and stuff just imagine if one ends up buying this one and later no replacement filter is available....
Its always out of stock on their sites and not available anywhere else.....
Gentle reminder: Xiaomi has many a times claimed that they intend to make profits from selling not the products but the supplementary accessories required by those products.... In light of that doesn't seem like a good proposal....

 

[6pack]

I think they're bluffing about the 400 sqft coverage. I did some calculations on how much air this unit circulates for a 10 x 10 x 10 ft room. It does about 11 times per hour which is seriously quite good. For a 400 sq ft room the figure drops down to 2.74 which is meh.
How did I calculate?
FIrst take all the relevant data from their site. So we need air flow in CFM and dimensions of the unit and fan. Air flow is given as 310 m3/hr. Dimensions are 510mm for height and 10% smaller than A4 size paper for width. A4 is 11 x 8 inches. So lets say width is 8inch = 203.2mm. No info on the fans inside. So consider it as 200mm fan (from their video, it looks like pretty big fan).
I calculated the CFM from this engineering site and it turned out to be 182.46.
From this site i calculated the air circulation rate per hour in the room.

Air Changes/ hr = CFM x 60 mins (CFM into Cubic Feet per Hour) divided by volume of room
= (182.46 * 60) / 1000  for a 10x10x10 ft room.
= 10.95 ~ 11.

For a small bedroom this is quite good, but if you require for larger area you will need one of these in every room.
Edit: Good read from the US Environmental Protection Agency.