Best Philips Air Purifier Review in 2025
Philips AC4221 Smart Air Purifier for Home
Philips Air Purifier helps remove dust, PM2.5, gases, VOCs, virus allergens and improves indoor air quality. It offers advanced purification with PM sensor, fast clean air delivery, 3-stage filtration, mobile app control, silent operation, and child lock—suitable for large rooms and homes with pollution issues.
Product Name + Model + Star Rating
Philips AC4221 Smart Air Purifier for Home
★ ★ ★ ★ ☆ (Based on customer feedback provided)
| Detail | Value |
|---|---|
| Brand | Philips |
| Colour | Metallic |
| Floor Area | 700 sq. ft |
| Weight | 6.2 kg |
| Dimensions | 28.5 × 28.5 × 52 cm |
| Warranty | 2 Years |
| Filter Efficiency | 99.99% up to 0.003 microns |
| CADR | 600 m³/hr |
| Filter Type | 14-grade, 3-stage filtration |
| Control | Touch + Auto + Night + App |
| Noise | 50% quieter |
| Filter Life | Up to 9000 hrs |
| Certification | RoHS Certified |
Product Features
- Easy setup and filter access
- Dual filters included inside
- PM2.5 sensor detects real-time air quality
- AQI color indicator (Red = Bad | Blue = Safe)
- Owl Silent Technology
- Power adapter & booklet included
- Automatic mode + fan speed control
- Night mode with lighting effects
- Wi-Fi + Philips Air+ Mobile App support
- Child lock + scheduling inside app
- Shows PM level, gas availability, air quality
- Very lightweight & easy to move
- Touch panel for simple operation
- 3-Stage Filtration System
1️⃣ Pre-filter – dust & pet hair
2️⃣ Nano Protect HEPA – fine dust, smog, allergies
3️⃣ Activated carbon filter – gases, VOCs, odors - Filters 700 sq ft room in 5–10 minutes
- Real-Time AQI display
- Cleans very polluted air quickly
- Symmetrical stylish design
- Power consumption: 23W – 50W
How To Use
- Remove filter covers before usage
- Connect power adapter
- Press power + light button to enable pairing
- When orange light blinks → connect to Philips Air+ App
- Use Auto Mode for continuous purification
- Close doors & windows for faster results
- Clean pre-filter regularly
- Use Night Mode when sleeping
- Use Child Lock to prevent accidental control
Real Customer Reviews — Why This Product is Best
Customer Review Highlights
✔ Brings AQI down from 350 to below 40 in 10–15 mins
✔ Diwali pollution above 1000 → cleaned air to safe level in 1.5 hrs
✔ Very fast purification for 20 m² rooms within 10 mins
✔ Touch controls placed on top, very easy to access
✔ Silent, handy, and premium design
✔ Works perfectly even in high-pollution cities like Delhi & Ghaziabad
✔ App allows tracking, monitoring, and controlling anywhere
✔ Shows air quality in both numbers & colors
✔ Good for family health protection
Small issues customers noted:
– Night Sense mode switches automatically when lights off
– Filter availability sometimes delayed & cost yearly
– Must keep rooms closed for best performance
– Fan speed slowed down after long usage (reported by one user)
But overall:
💬 “Good quality product, really satisfied.”
💬 “Must buy to protect family from pollution.”
Best air purifier for home in India
Comparison Table
| Feature | Philips AC4221 |
|---|---|
| Purification Coverage | 700 sq ft |
| Micro Filtration | 0.003 microns |
| Filter Type | Pre + HEPA + Carbon |
| CADR | 600 m³/hr |
| AQI Display | Yes + Color Indicator |
| App Support | Philips Air+ |
| Modes | Auto, Night, Manual |
| Noise | 50% quieter |
| Weight | 6.2 kg |
| Warranty | 2 Years |
| Best For | High pollution cities |
FAQ
| Question | Answer |
|---|---|
| How fast can it clean a room? | Within 5–15 minutes depending on pollution level |
| Does it show real-time air quality? | Yes, with color + number display |
| Can it be controlled by mobile? | Yes, through Philips Air+ App |
| How many filters inside? | 3-stage filtration system |
| What room size is recommended? | Up to 700 sq ft |
| Does it work silently? | Yes, 50% quieter with night mode |
| How long do filters last? | Up to 9000 hours (depends on pollution) |
| Does it remove gases & odors? | Yes, activated carbon filter removes VOCs & gases |
| Any setup needed? | Only remove covers & connect to app |
| Is it lightweight? | Yes, easy to move anywhere |
How Can i Purify air naturally at Home
Final Conclusion
Philips AC4221 is a powerful, fast, and smart air purifier perfect for big rooms and high-pollution environments. With strong filtration and app control, it gives clean air quickly—trusted especially in cities like Delhi NCR.


