I'm using one... basically you need to clean the fan and replace the filter every 6 month...

If electrical malfunction basically china product just throw away... So far it has been very good... the seller I bought from give me 1 month personal warranty (1 to 1 exchange)

It connect to APP via WIFI and I can monitor the air quality via the APP and can remotely control the air purifier via cloud...

example I can turn on the mi Air purifier 1 hr before I reach home via APP....

so far very quiet and loving it!

Also based on CADR (Clean Air Delivery Rate) number the equivalent air purifier that manage to go near Mi Air Purifier is BlueAir which cost near to RM3K!

It manage to clean my apartment indoor air (1300sq/ft) very fast!

This post has been edited by calvin_ng: Sep 22 2015, 04:11 PM

Uses Mi Air Purifier for 1 Year already...

conclusion

1: Very good air purifier... easily filter living room (Apartment 500-600 sqft living room)
2: When I cook, I notice the Purifier speed up cause need to filter the cooking smell... intelligent enough for me
3: Set it to Auto, been running 24x7 since day 1, still very quiet and so far still good, very quiet when air is clean
4: Filter Haze very very well, and smart phone app can detect realtime via cloud the air quality
5: Replacement filter still hard to find and a little expensive in Malaysia, will try order from China see if it work...

Need to change filter laaa, thats why no. 5 (the filter cost around Rm150+/-)

6-9 month depend on how dirty the air is..

No Data on outdoor since Mi Purifier officially not sold in malaysia so, xiaomi server did not collect (too bad)

Yes filter easy to find...but not as cheap I expect it to be

Im using the oldest first generation mi air purifier... no NFC but it got timer... so expired take filter to wash hahaha but wash 2x then better change... using more than 5 years already so far solid

Been using the first Xiaomi air purifier for 4 years now... very good virtually silent and the detection of air quality is accurate... when my wife cook the air purifier will increase the speed as it detect smoke and particle

Xiaomi Air Purifier (First Generation) just Mi Air Purifier