Philips AC1215/20 Air purifier, removes 99.97% airborne pollutants

Here is a try at a review of this product after using it for an year now.Use Case :-I am a NCR resident and the air pollution is as we know one of the worst possible if not the worst. I have it installed in the bedroom, about 300 sq ft so well within the advertised max room space. While using the purifier the room is kept closed to minimize pollution addition.Build Quality :-The purifier is sturdy in its built and aesthetically pleasing. It has a large front grill that acts as the air inlet, and an arched back that has a larger grill for filtered air outlet. The arc helps the air to be released vertically upwards and hence does not add to direct cooling for anyone sitting in front. This helps the filters use in winter which is the main season where it is required. The top of the filter has a dark panel with touch sensitive buttons and a decent sized circular LED screen. The 4 buttons are – Power, Night Mode, Fan Speed, and Child Lock.Setup :-The air purifier is shipped with its parts packed separately. Thus on unboxing the same has to be setup for use. The setup is pretty straightforward. The main filter units front can be released and the individual filters aligned in order on the central space. The installation order of the filter is as followsFirst -> HEPA Filter. (The same has indication on top to correct installation. You can also go with keeping the Phillips Branding on the top left Corner)Second -> Active Carbon Filter. (The same has indication on top to correct installation. You can also go with keeping the Phillips Branding on the top left Corner)Third -> Pre Filter. This one actually clips in place and is used to filter out the larger dust / impurities so that it does not clog the other main filters.Thus the filtering order is Pre Filter -> Carbon Filter -> HEPA filterWorking :-The air purifier can be set to different modes. One of them being the automatic mode that automates the purifier working thanks to the inbuilt air quality sensor. The pollution level sensed regulates the fan speed accordingly. 4 levels are programmed and are indicated on the small circular LED screen by means of circular rings of different colors – Blue (Min), Violet, Pink, Red (Max). Red level would put the fan in maximum speed and blue would turn off the filter automatically.If you are not a fan of the automatic mode, you can use the fan speed button to move through the option of different fan speed/modes. They areFan Speed 1 – Indicated by 1 on the screenFan Speed 2 – Indicated by 2 on the screenFan Speed 3 – Indicated by 3 on the ScreenAutomatic Mode – Indicated by A on the ScreenAllergen Mode – This can be only added on top of Automatic Mode. It essentially bumps up the speed a bit on all the different color levels. This is to suit the sensitive people as this improves the air filtration rate.Turbo Mode – Indicated by T on the Screen. This puts the fan in the maximum speed possibleThats pretty much the major functioning of the air purifier. Additionally the filter has an automatic/forced night mode. The purifier automatically detects the lighting in the room and once it senses low to no light it automatically goes into night mode. The same can be forced by pressing the night mode button the purifier. What this does is that if the filter is in automatic mode, the fan speed is reduced on all the levels so as to minimize the noise.Summary :-So as to summarize my review and add my view here, the filter works pretty well for the use case i have. On regular winter pollution days its able to keep the air quality in control, even when working in automatic mode its able to go down from Red levels to Blue. Switching on an off intermittently as per the air quality levels. On drastic pollution days it has a tough time managing the air quality in automatic mode and i have to force it in turbo mode to get the air quality in control. If not too much of an air change is happening in the room throughout the filter is able to get the air quality to a much acceptable levels.The air quality indicator is a great value add on to the product. Much that is missing in similar priced competitors.I am little disappointed in the night mode working as it compensates air quality over noise. I believe the purifiers task is to ensure that the air quality in room is as good as possible. By reducing the fan speed to reduce noise works ok on normal pollution days, but is totally useless in any thing even a little worse (when i dont want to use turbo mode just yet)Durability of the filters has been decent. I have used it all through the winters last year and intermittently the summer this year but am yet to get an indication to change the HEPA or the Carbon Filter. On yes that reminds me the Air purifier would automatically sense and indicate when a filter needs to be replaced by displaying an error code on the screen. It even does that for the pre-filter which does not have to be replaced but just cleaned/washed. That i have received 3-4 times this past year.Overall i still strongly recommend this product- Good performance with a decent price which has been slashed a good amount from when it launched.

If there is humidity in the room auto mode will work in purple or pink light mode though good quality air is there in a room so, you have to convert into manual mode …..or use dehumidifier