Air Purifiers for Home Face-off
Coway AirMega 350vsPhilips 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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AirMega 350 vs AC4221/61: Which Air Purifiers for Home Should You Buy?
Choose Coway AirMega 350 if:
- High CADR (713 m³/h) purifies large rooms and hall areas rapidly
- Captures particles down to 0.01 microns, 10x finer than standard HEPA
- Quiet 21.6 dB sleep mode with auto light-dimming sensor
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
Coway AirMega 350 vs Philips AC4221/61 Specs Comparison
Showing all 13 specifications
| Specification | Coway AirMega 350 | Philips AC4221/61 |
|---|---|---|
| Air Quality Monitoring | Real-time numeric AQI + 4-color LED (PM1.0, PM2.5, PM10) | Real-time AQI display & Color Ring |
| CADR | 713 m³/h | 600 m³/h |
| Coverage Area | 980 sq ft | 700 sq ft |
| Filter Life | 1 to 2 years (8,500 hrs) | Up to 9,000 hours |
| Filter Stages | 3-stage | 4-stage |
| Filter Type | Vacuumable Pre-filter, Activated Carbon, Green True HEPA | Pre-filter, NanoProtect HEPA, 2x Active Carbon |
| Filtration Efficiency | 99.999% down to 0.01 microns | 99.97% down to 0.003 microns |
| Manufacturer Origin | South Korea | China |
| Noise Level | 21.6-52 dB | 15 dB (sleep mode) |
| Operating Modes | Auto, Sleep, Turbo, Eco | Auto+, Turbo, Medium, Sleep |
| Power Consumption | 65W | Up to 54W |
| Replacement Filter Cost | ₹9,990 | ₹6,995 |
| Warranty | 5 yrs motor + 1 yr electrical (extend to 7 yrs) | 2 years |
AirMega 350 vs AC4221/61: Pros & Cons
Coway AirMega 350
Pros
- High CADR (713 m³/h) purifies large rooms and hall areas rapidly
- Captures particles down to 0.01 microns, 10x finer than standard HEPA
- Quiet 21.6 dB sleep mode with auto light-dimming sensor
- Coway's robust 7-year motor warranty
Cons
- High replacement filter cost
- Substantial cylindrical body takes up noticeable floor space
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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