Air Purifiers for Home Face-off
Dyson Big + QuietvsPhilips AC4221/61
Published: 6 November 2026Last updated: 6 November 2026
Detailed comparison to help you choose the right best air purifiers for home in india for your needs.
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Big + Quiet vs AC4221/61: Which Air Purifiers for Home Should You Buy?
Choose Dyson Big + Quiet if:
- Massive coverage area up to 1,076 sq ft suitable for expansive living spaces
- Cone aerodynamics projects clean air up to 10 meters across large rooms
- Fully sealed HEPA H13 system ensures trapped pollutants cannot escape
Choose Philips AC4221/61 if:
- Premium metallic build fits luxury contemporary living room aesthetics
- Massive 600 m³/h CADR clears a standard room in under 5 minutes
- Advanced gas and PM2.5 dual sensing displays exact real-time air conditions
Dyson Big + Quiet vs Philips AC4221/61 Specs Comparison
Showing all 13 specifications
| Specification | Dyson Big + Quiet | Philips AC4221/61 |
|---|---|---|
| Air Quality Monitoring | Real-time LCD (PM2.5, PM10, NO2, VOCs) | Real-time AQI display & Color Ring |
| CADR | 300 m³/h | 600 m³/h |
| Coverage Area | 1,076 sq ft | 700 sq ft |
| Filter Life | Up to 5 years (HEPA) / 2 years (Carbon) | Up to 9,000 hours |
| Filter Stages | 3-stage (HEPA H13) | 4-stage |
| Filter Type | HEPA H13 Filter + Activated Carbon (K-Carbon) | Pre-filter, NanoProtect HEPA, 2x Active Carbon |
| Filtration Efficiency | 99.95% down to 0.1 microns | 99.97% down to 0.003 microns |
| Manufacturer Origin | Malaysia | China |
| Noise Level | Up to 56 dB | 15 dB (sleep mode) |
| Operating Modes | Auto, Breeze, Diffuse, 10 Fan Speeds | Auto+, Turbo, Medium, Sleep |
| Power Consumption | 50W | Up to 54W |
| Replacement Filter Cost | ₹7,900 | ₹6,995 |
| Warranty | 2 years | 2 years |
Big + Quiet vs AC4221/61: Pros & Cons
Dyson Big + Quiet
Pros
- Massive coverage area up to 1,076 sq ft suitable for expansive living spaces
- Cone aerodynamics projects clean air up to 10 meters across large rooms
- Fully sealed HEPA H13 system ensures trapped pollutants cannot escape
- Comprehensive smart control via MyDyson app and voice assistants
Cons
- Premium price point of ₹68,900
- Substantial unit size and floor footprint
Philips AC4221/61
Pros
- Premium metallic build fits luxury contemporary living room aesthetics
- Massive 600 m³/h CADR clears a standard room in under 5 minutes
- Advanced gas and PM2.5 dual sensing displays exact real-time air conditions
- Alexa and Google Assistant integration enables seamless smart home routines
Cons
- Premium ₹29,995 MRP pricing
- Replacement dual-cartridge filter set costs ₹6,995
- Unit weight of 6.3 kg makes frequent moving between floors cumbersome
Full Category Comparison
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Check out our complete Best Air Purifiers for Home in India guide to see all 31 products compared side by side.
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