Our picks at a glance
Paid link: buttons go to the retailer. Prices change often, so we link to the current price instead of listing one.
Comparison table
| Feature | Philips AC1715 Air PurifierBest overall | Coway AirMega 150Best for long filter life | Xiaomi Smart Air Purifier 4 LiteBest smart value | Dyson Purifier CoolBest premium |
|---|---|---|---|---|
| Verdict | Buy | Buy | Consider | Consider |
| Best for | Bedrooms in polluted cities | Allergy sufferers | Smart homes | Purifying plus a fan |
| Key feature | True HEPA with fast cleaning | Green True HEPA with long filter life | App and voice control at a low price | Purifier and fan in one |
| Price | ₹10,000–₹14,000 | ₹11,000–₹15,000 | ₹9,000–₹12,000 | ₹38,000–₹50,000 |
| Coverage | Up to about 36 sq m | Medium rooms | — | — |
| Filter | HEPA | Green True HEPA | HEPA | HEPA H13 |
| CADR | About 300 m³/h | — | — | — |
| Warranty | — | Long | — | — |
| App | — | — | Yes | Yes |
| Display | — | — | PM2.5 | — |
| Function | — | — | — | Purifier + fan |
| Where to buy | Check price Paid link | Check price Paid link | Check price Paid link | Check price Paid link |
8.5/10 research score
Philips AC1715 Air Purifier
True HEPA with fast cleaning. Typical price ₹10,000–₹14,000.
- Buy it if
- You live in Delhi NCR or another polluted city and want cleaner bedroom air.
- Skip it if
- You want to clean a very large hall.
Pros
- True HEPA
- Quiet sleep mode
- App control
Cons
- Filters cost extra
Key specifications
- Coverage
- Up to about 36 sq m
- Filter
- HEPA
- CADR
- About 300 m³/h
8.5/10 research score
Coway AirMega 150
Green True HEPA with long filter life. Typical price ₹11,000–₹15,000.
- Buy it if
- You want a quiet purifier with a long-lasting filter.
- Skip it if
- You want smart app features.
Pros
- Long filter life
- Quiet
- Good CADR
Cons
- No app control
Key specifications
- Filter
- Green True HEPA
- Coverage
- Medium rooms
- Warranty
- Long
8.0/10 research score
Xiaomi Smart Air Purifier 4 Lite
App and voice control at a low price. Typical price ₹9,000–₹12,000.
- Buy it if
- You want app control and an air-quality display for less.
- Skip it if
- You want the quietest purifier.
Pros
- App and voice control
- Good CADR
- Display
Cons
- Louder at high speed
Key specifications
- Filter
- HEPA
- App
- Yes
- Display
- PM2.5
8.0/10 research score
Dyson Purifier Cool
Purifier and fan in one. Typical price ₹38,000–₹50,000.
- Buy it if
- You want a premium purifier that also works as a fan.
- Skip it if
- You want the best value.
Pros
- Purifier and fan
- Premium design
- Sealed HEPA
Cons
- Very expensive
- Lower CADR than price suggests
Key specifications
- Filter
- HEPA H13
- Function
- Purifier + fan
- App
- Yes
Compare more air purifiers on Amazon Paid link
How we chose
HEPA air purifiers for polluted Indian cities, compared on CADR, room size, noise and filter cost. We compared specifications, brand documentation, warranty and service support in India, and typical Indian prices, then gave every product a clear Buy, Consider or Skip verdict.
What to look for
- True HEPA filter.
- CADR matched to room size.
- Filter replacement cost.
- Noise in sleep mode.
Frequently asked questions
Do air purifiers work in Delhi?
Yes. A HEPA purifier sized for the room can greatly cut indoor PM2.5 when doors and windows are closed.