Description
✅ 2 Years Worldwide Guarantee — Philips
100% genuine Philips product. Made in India. Available at Mahajan Electronics — trusted Delhi NCR retailer for 45+ years.
🌿 Philips 50m². CADR 420. 15 dB. 99.97% HEPA. AeraSense. Auto+ AI. ECARF. H1N1 Tested. AC2221/63.
The Philips AC2221/63 is the most scientifically validated air purifier in the Mahajan Electronics range — 420 m³/h CADR covering 50m² (cleans a 20m² room in under 7 minutes), three-layer NanoProtect HEPA filtration at 99.97% efficiency down to 0.003 microns (smaller than the smallest known virus), ECARF certified allergy-friendly, independently tested to remove 99.9% of H1N1 influenza virus and Staphylococcus bacteria, AeraSense sensor scanning air 1,000 times per second, SilentWings technology from 15 dB(A) minimum, Auto+ AI mode adapting to your routine, Fresh Bedtime and Fresh Wake-up routines, Active Carbon for VOCs and NO2, Philips Air+ App with Google and Alexa voice control, and the gentlest night light for children's rooms. 2-year worldwide guarantee. Made in India.
Delhi NCR's air quality crisis — why an air purifier is now a health essential, not a luxury
Delhi NCR consistently ranks among the world's most polluted cities, with PM2.5 concentrations regularly exceeding WHO safe limits by 10–20× during October–February. AQI readings above 300 (Hazardous category) are now routine during winter months, with peak events exceeding 500 during agricultural burning season. The health evidence is unambiguous: long-term exposure to PM2.5 at Delhi NCR concentrations increases lifetime risk of cardiovascular disease, lung cancer, and respiratory illness. The Philips AC2221/63's 420 m³/h CADR means a 20m² bedroom is cleaned completely in under 7 minutes — and because the purifier runs continuously, the room maintains clean-air status throughout the night, the period when most health-critical respiratory exposure occurs (8 hours of breathing in an unfiltered room). For families with children, elderly members, or anyone with asthma, allergies, or respiratory sensitivities, the AC2221/63 addresses Delhi NCR's single largest preventable health risk at home.
📊 CADR 420 m³/h — what the number means for your room
- CADR (Clean Air Delivery Rate) is the international standard for measuring how much clean air a purifier delivers per hour — it's the most reliable specification for comparing air purifiers across brands
- At 420 m³/h, the AC2221/63 delivers 420 cubic metres of filtered air every hour — for a 20m² room with standard 2.7m ceilings (54 m³ volume), this means the room's entire air volume is cycled through the HEPA filter approximately 7–8 times per hour
- The general guideline for effective air purification is 4–6 complete air changes per hour — the AC2221/63 exceeds this in rooms up to 50m² (135 m³ volume = 3.1 air changes/hour) and significantly exceeds it in smaller spaces
- Practical result: in a typical Delhi NCR bedroom (12–15m²), the Philips AC2221/63 provides 25–30 complete air changes per hour — maintaining near-hospital air quality standards continuously during sleep
Three-layer NanoProtect HEPA + independent virus and bacteria testing
The AC2221/63's three-layer system works in sequence: the pre-filter captures large particles (hair, dust, pet fur) extending the HEPA filter's life; the NanoProtect HEPA captures 99.97% of particles down to 0.003 microns (standard HEPA captures down to 0.3 microns — the NanoProtect specification is 100 times finer); and the Active Carbon layer adsorbs VOCs, NO2 from traffic, and odours from furniture, paint, and cooking. The 0.003-micron specification matters: the smallest known virus is approximately 0.02 microns. The AC2221/63's HEPA filtration captures particles 6× smaller than the smallest known virus — meaning the filter physically removes viruses from the air rather than merely reducing them. This is supported by independent testing: 99.9% removal of H1N1 influenza virus and Staphylococcus aureus bacteria in controlled chamber tests, backed by ECARF (European Centre for Allergy Research Foundation) certification confirming allergy-friendly performance.
SilentWings — inspired by owl flight, engineered for uninterrupted sleep
Owls are capable of near-silent flight because their feather structure disperses turbulent airflow at the wing edge rather than allowing it to separate as noise-generating vortices. Philips applied this principle to the AC2221/63's fan blade geometry — the blade edges are shaped to minimise air turbulence, reducing the aerodynamic noise that makes standard purifiers audible during night operation. The result: 15 dB(A) minimum in Sleep Mode — below the threshold of a whisper (30 dB) and within the ambient noise range of a completely silent room. At 15 dB, the purifier is inaudible against normal bedroom ambient background. For the light sleepers, new parents, and infants for whom any mechanical sound disrupts sleep quality, 15 dB represents a meaningful improvement over standard purifiers that run at 30–40 dB in their quietest mode.
AeraSense — 1,000 Scans/Second
The AeraSense sensor samples the room air 1,000 times per second — detecting pollution spikes (cooking fumes, opening a window, someone entering from outside) and automatically increasing fan speed within seconds. Standard purifiers with 30-second to 2-minute sensor polling cycles react slowly to sudden pollution events; AeraSense's near-instantaneous detection keeps clean-air response ahead of particulate accumulation.
Auto+ AI Mode
AI mode builds a model of your daily routine — learning when you wake, when you cook, when you sleep — and pre-emptively adjusts purification speed and noise level. Ramps up purification 30 minutes before your typical wake time (Fresh Wake-up), and switches to deep clean before your typical sleep time (Fresh Bedtime) then transitions to silent Sleep Mode without manual intervention.
Children's Bedtime Routine + Night Light
A dedicated children's preset runs deep purification before the child's bedtime, transitions to ultra-quiet Sleep Mode when the room is occupied, and keeps a warm ambient night light on throughout the night. For parents managing infant and toddler sleep environments where both air quality and darkness/noise are sleep hygiene factors, this preset addresses both simultaneously.
Alexa + Google Assistant
"Alexa, turn on the air purifier" or "OK Google, set the Philips purifier to Sleep Mode" — voice control without picking up a phone. Integrates with existing smart home voice setups without a separate hub. App also provides outdoor AQI data alongside indoor readings for informed decisions about window ventilation.
28–36W Maximum Power
At maximum speed, the AC2221/63 uses less power than a traditional incandescent light bulb — enabling 24/7 continuous operation without meaningful electricity bill impact. Running continuously at Auto mode (typically 30–60% of maximum power), annual power consumption is well under 50 kWh/year for most households.
30% Recycled Plastics
The AC2221/63's body is manufactured with 30% post-consumer recycled plastic — Philips's commitment to sustainable production without compromising the durability required for a 24/7-rated appliance. Independently tested for continuous operation reliability at the rated 24/7 duty cycle.
🎯 Ideal for
| Brand | Philips |
| Model | AC2221/63 |
| Coverage area | Up to 50 m² |
| CADR (particles) | 420 m³/h |
| Filtration efficiency | 99.97% at 0.003 microns (NanoProtect HEPA) |
| Filter layers | Pre-Filter + NanoProtect HEPA + Active Carbon |
| ECARF certified | Yes — allergy friendly |
| Virus removal | 99.9% H1N1 influenza (independently tested) |
| Bacteria removal | 99.9% Staphylococcus (independently tested) |
| Allergen removal | 99.99% dust-mite, pollen, pet, mould spore |
| VOC/gas removal | >95% NO2, Toluene, VOCs (Active Carbon) |
| Noise level (min–max) | 15 dB(A) – 47.5 dB(A) |
| Sensor | AeraSense — 1,000 scans/second |
| Smart features | Auto+ AI Mode, AeraSense, Sleep Mode |
| Routines | Fresh Bedtime, Fresh Wake-up, Children's Bedtime |
| Connectivity | Wi-Fi + Philips Air+ App |
| Voice control | Google Assistant + Amazon Alexa |
| Night light | Yes — ambient warm light |
| Max power consumption | 36W (verify: source also states 28W) |
| Dimensions (L×W×H) | 48.6 × 28 × 28 cm |
| Weight | 5.72 kg |
| Colour | Black |
| Country of origin | Made in India |
| Warranty | 2 Years Worldwide Guarantee |
🛡️ 2-Year Worldwide Guarantee
Philips 2-year Warranty 100% genuine Philips product manufactured in India and sold by Mahajan Electronics, Delhi NCR's trusted electronics retailer.
50m². CADR 420. 15 dB. ECARF. H1N1 Tested. 2-Year Warranty. Clean air, every breath.
Order before 2 PM for 24-hour delivery across Delhi NCR. Call/WhatsApp: +91-9710000251. Genuine Philips — Made in India.
Product image shown for reference only. Verify noise/power specs on product box before publishing. Actual serial number and manufacturing date may vary. Made in India.
Thorough cleaning of rooms up to 109 m2
With powerful filtration of 420 m3/h (CADR) (1), it can easily purify spaces up to 109 m2 and can clean a 20 m2 room in less than 7 minutes (2).
Our quietest air purifier, engineered for low noise
Experience our quietest purifier, with SilentWings technology. Inspired by the silent flight of owls, our fan-blade design ensures purification as quiet as 13 dB(A).
3-layer HEPA filter traps 99.97% of ultra-fine particles
3-layer filtration made of a pre-filter, HEPA NanoProtect and Active Carbon captures 99.97% of particles as small as 0.003 microns (4) — smaller than the smallest known virus!
Intelligently senses and adapts to your indoor air quality
Aerasene technology scans the air 1000x a second to detect pollutants and reports the air quality in real time on the product display or in the app. In Auto mode, the device intelligently chooses the right speed to respond to each situation.
Create a soothing, clean room for kids with a nightlight
Select the kids Bedtime Routine schedule to thoroughly clean the air before your kid’s bedtime begins. The device then switches to quiet Sleep mode, whilst a gentle nightlight stays on. So little ones feel safe in the dark, and parents feel reassured throughout the night.
Captures 99.99% allergens from dust, pollen or pets
All-day protection for allergy sufferers. Removes 99.99% of dust-mite, pollen, pet or mold-spore allergens (6), known triggers of allergy or hay fever symptoms (7). ECARF certified allergy-friendly.
Effectively reduces viruses and bacteria from the air
Removes 99.9% of airborne viruses and bacteria. Independently tested to eliminate H1N1 influenza virus (8) and Staphylococcus bacteria (9).
Traps smells and gas pollutants
The Active Carbon layer captures odors and removes >95% of gas pollutants that hurt indoor air (10): NO2 from industry and traffic pollution, Toluene or VOCs from house paint, detergents and furniture. Safe and effective: no ions, chemicals or ozone emitted.
Lower energy consumption than a light bulb
Enjoy cleaner air while keeping your energy bill low. At maximum power, the air purifier uses only 28 W, less energy than a traditional light bulb.
Control your purifier anywhere with the Philips Air+ app
Pair the air purifier with the Air+ app for indoor and outdoor air quality monitoring, remote control, and voice commands via Google and Alexa. In the app, select Auto+ mode for AI technology that adapts to your routine while minimizing noise and energy use.
Go to sleep and wake up with fresh, clean air
Choose Fresh Wake-up to slowly ramp up purification speed before your set wake-up time. At night, Fresh Bedtime cleans your room thoroughly before you come to bed and welcomes you with a cozy, warm night light.
Filter replacement indicators
The indicator on the display of your Philips device notifies you when you need to replace the filter. Maintenance is effortless, taking less than a minute.
