Brand: Philips
Room air purifier, H13 HEPA, CADR 520 m³/h
Our editorial score
Good — right for the specific buyer
A living room or open-plan space
Catalogue listing — not a hands-on review
We have not tested this unit. The specifications below are parsed from the manufacturer's own listing, the features are their wording, and the score is calculated from those specifications rather than assigned by an editor. For models we have examined in depth, see our ranked air purifiers guides.
The Philips AC3221 Smart is an air purifier selling for ₹21,999 on Amazon.in (MRP ₹23,995, so 8% off on the day we checked). It costs more than the ₹14,890 a typical air purifier goes for in this catalogue.
The number that matters here is its CADR: 520 m³/h. A rough rule is that this cleans a room of about 600 sq ft five times an hour, which is what you want for PM2.5 in a bedroom.
Where these figures come from: the Amazon.in listing for this purifier (ASIN B0H3PJKRXC), read on 12 October 2026. We have not tested it ourselves, and Amazon prices move daily, so check the live price before you buy.
Every condition below is derived from this product's published specifications and from how it compares with the air purifiers we track — so you can check each one against your own room, supply or budget rather than take our word for it.
Your room is bigger than about 300 sq ft
It is rated for 600 sq ft, but that assumes roughly one air change an hour. For visible results in Indian winter conditions, halve it — which puts the realistic ceiling near 300 sq ft.
Work out the CADR you need →You are trying to remove smells, smoke or gases
No meaningful activated-carbon stage is fitted. HEPA captures particulate and does nothing whatsoever for gases and odours — this is the most common mismatch in the category.
Purifiers with real carbon filtration →You want to verify it is working rather than trust it
There is no numeric PM2.5 readout. A colour ring cannot tell you the room went from 180 to 22 µg/m³, and it cannot tell you the filter is exhausted.
| Type | Room air purifier |
|---|---|
| Filter | H13 HEPA |
| CADR | 520 m³/h |
| Rated room size | Up to 600 sq ft |
| Air-quality display | Yes |
| App / Wi-Fi | Yes |
Specifications are from manufacturer literature and were checked at the last price-verification date. Brands occasionally revise stage counts, tank sizes and warranty terms without changing the model name — confirm against the current listing before purchasing.
The sensible default for most Indian homes, in two different categories. Philips' AC-series air purifiers combine real HEPA filtration, an honest numeric PM2.5 readout rather than a vague colour ring, and India's best-supported purifier service network at prices well below Dyson. In male grooming Philips is simply the market — OneBlade, the BT/MG trimmer families and the Series 3000-9000 shavers together hold a share no rival approaches, and the reason is unglamorous: spare combs, replacement blades and service centres exist in tier-2 and tier-3 India, which is where most trimmers actually die.
Philips
Most homes in most Indian cities — the default answer if you want one purifier that just works.
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Coway
Bedrooms, allergy and asthma sufferers, and small rooms where floor space is unavailable.
View details
Xiaomi
First air purifier, second bedrooms, and anyone who wants maximum performance per rupee.
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Honeywell
Homes on busy roads or near industry, where gases and odours matter as much as particulates.
View detailsFree consultation · Pan-India
Tell us your city, your water source and your budget. For homes we will recommend the right technology — including telling you when a ₹3,000 purifier is genuinely enough. For offices, societies and factories, our team will size a system against your water report and send a specification-backed quotation.
Or email betterworkindia@gmail.com — attach a water analysis report and we can quote faster.
Homes
Right-sized recommendation for your TDS, not the most expensive unit
Offices & societies
25 LPH to 2,000+ LPH, sized on headcount and feed water
Industry
Pharma, food, textile, boiler feed — engineered to your specification
Service & AMC
Installation, repair and AMC with written response times