That slight scratch you feel in the back of your throat. Waking up feeling like you didn’t quite get a full night’s sleep. Wiping a layer of fine dust off your bookshelf, even when the windows have been shut. For millions of us, especially in cities like Delhi, this isn’t just “bad weather”; it’s the new normal, especially when “GRAP Stage 3” hits the headlines. We’re all just looking for one safe space—a room in our own home where we can take a deep breath. But trying to buy an air purifier can be just as stressful. Do you need the premium ₹40,000 Dyson, or will the ₹8,000 Philips be perfect for the bedroom? Let’s clear the air and break down which of these top models is right for you.
Dyson Purifier Cool PC1
The Dyson Purifier Cool PC1 is a dual-function device that acts as both an air purifier and a cooling fan. It uses a sealed HEPA filter designed to remove 99.95% of particles down to 0.1 microns. The purified air is then distributed using Air Multiplier technology and wide 350° oscillation. Features include an Auto mode for automatic air quality adjustment and a Night mode with dimmed displays and quieter operation. Control options include a Remote control, the MyDyson app, and voice assistant support (Alexa / Google / Siri voice support).
Specifications:
- Filtration: Fully Sealed HEPA (PM0.1+)
- Airflow: 290 L/sec
- Oscillation: Up to 350°
- Controls: Remote, MyDyson app, voice support
This model combines powerful circulation with filtration and smart controls, though it comes at a premium price point.
Product Listing: Dyson Air Purifier Cool PC1 | Removes 99.95% of allergens & pollutants as small as PM 0.1 Auto, Sleep and Night modes | Control via remote, App, compatible voice assistants | 2 Year Warranty at ₹39,899.00
Xiaomi Smart Air Purifier 4, Best Purified Air
The Xiaomi Smart Air Purifier 4, Best Purified Air provides a high CADR of 400 m³/h, suitable for areas up to 516 sq ft. Its triple-layer filtration system includes a primary filter, a True HEPA filter, and an activated carbon layer, capturing 99.99% of particles as small as 0.1 µm. This model also releases negative ions to freshen the air. Smart features include app, remote, and voice control via Alexa or Google Assistant, along with a real-time air quality LED display. It operates at a low noise level (starting at 32 dB) and is energy-efficient, using approximately 0.8 kWh daily.
Specifications:
- Coverage Area: 516 sq ft
- CADR: 400 m³/h
- Filter Type: True HEPA + Carbon + Primary
- Noise Level: 32 dB
It is noted for fast purification and smart controls (Alexa & Google Assistant). It does not, however, include a built-in humidifier.
Product Listing: Xiaomi Smart Air Purifier 4, Best Purified Air Delivery Rate 387 m3/hr, True HEPA, traps 99.99% Virus, High coverage: 516 Sq Ft, Fast Purification in 7 Mins, RoHS & Allergy Care Certified, Alexa&GA at ₹17,999.
Philips AC0920 Smart Air Purifier for Home
The Philips AC0920 Smart Air Purifier for Home is designed for spaces up to 300 sq. ft., such as bedrooms or studies. It utilizes a 2-layer NanoProtect HEPA filter system, which is stated to capture 99.97% of ultra-fine particles as small as 0.003 microns, including dust, dander, and smoke. The unit features a real-time AQI display and automatic sensing to adjust its fan speed based on air quality. A 360° air intake design aims to clean the air from all directions. It operates at a low noise level of 20.5 dB and consumes 21W of power.
Specifications:
- Coverage: Up to 300 sq. ft.
- CADR: 250 m³/h
- Filter Type: NanoProtect HEPA
- Noise Level: 20.5 dB
- Power Use: 21W
A primary advantage is its quiet, low-power operation. A key limitation is the lack of Wi-Fi or app connectivity for remote operation.
Product Listing: Philips AC0920 Smart Air Purifier for Home| Real Time AQI Display | Covers upto 300 sqft|Removes 99.97% of Viruses,Allergens,Dust and PM2.5 |HEPA Filter|Filter Life Upto 9000 Hrs | Ideal for Bedrooms at ₹7,899.00
Honeywell Air Purifier for Home
The Honeywell Air Purifier for Home, model Air Touch V2, is designed for the high AQI levels in Indian homes. It features a 4-stage filtration system that includes a washable pre-filter, an H13 HEPA filter, an activated carbon filter, and an ionizer. This unit covers up to 388 sq. ft. and delivers a CADR of 300 m³/hr. Operation is managed via touch controls. The unit is designed for quiet operation (32.5 dB) and low power consumption (47W).
Specifications:
- Coverage Area: 388 sq. ft.
- Filter Type: Pre-filter + H13 HEPA + Activated Carbon
- Noise Level: 32.5 dB
- Control Method: Touch
- Power Consumption: 47 W
The unit offers deep cleaning via its 4-stage system but lacks mobile app or voice control support.
Product Listing: Honeywell Air Purifier for Home, 4 Stage Filtration, Covers 388 sq.ft, High Efficiency Pre-Filter, H13 HEPA, Activated Carbon, Removes 99.99% Pollutants & Micro Allergens – Air touch V2 at ₹8,397.00
Coway Airmega 150 (Ap-1019C) Air Purifier For Home
The Coway Airmega 150 (Ap-1019C) Air Purifier For Home, from Coway, is highlighted for its medical-grade filtration. The Airmega 150 uses a 3-stage system composed of a Pre-Filter, a Patented Carbon Filter, and a Green Anti-Virus True HEPA filter, achieving 99.999% efficiency against viruses, bacteria, and allergens. It is suitable for rooms up to 355 sq. ft. It features a real-time air quality monitor with a 4-color LED and a Smart Auto Mode that adjusts fan speed automatically. It operates quietly (starting at 22 dB) and consumes 35W of power. A key feature is its long 8,500-hour filter life.
Specifications:
- Coverage Area: 355 sq. ft.
- Filter Type: Pre-Filter + Carbon + Anti-Virus True HEPA
- Noise Level: 22–49 dB
- Power Consumption: 35 W
This model is noted for its filter longevity and high-efficiency anti-virus HEPA filter. It does not offer mobile app connectivity.
Product Listing: Coway Airmega 150 (Ap-1019C) Air Purifier For Home,Longest Filter Life 8500Hrs (Approx. 1.5-2 Yrs),Anti-Virus True Hepa Filter (H13),Kills Allergies,Virus,Germs & Pm 0.01 With 99.999% Efficiency,White at ₹15,999.00
Eureka Forbes Air Purifier 355
The Eureka Forbes Air Purifier 355 is equipped with a true HEPA H13 filter, stated to remove 99.97 per cent of small dust and pollutants. Its filtration system also includes a pre-filter, activated carbon, and an antibacterial filter. The CADR is rated at approximately 355 m³/h, making it suitable for rooms up to about 480 square feet. It features a display that shows PM2.5 levels and overall air quality. The purifier operates with simple touch controls and runs quietly, suiting both home and office use.
Specifications:
- Coverage Area: 480 square feet
- Filter Type: True HEPA H13, pre-filter, activated carbon, antibacterial filter
- CADR: 355 m³/h
- Controls: Touch controls
- Features: PM2.5 levels display
This unit is noted for its multi-stage filtration and real-time PM2.5 display.
Product Listing: Eureka Forbes Air Purifier 355 at Rs 9,999.
Sharp Air Purifier FP- F40E-W (White)
The Sharp Air Purifier FP- F40E-W (White) utilizes Plasmacluster technology to address dust, smoke, and bad smells. In addition to this, the Sharp FP-F40E-W includes a HEPA filter and an activated carbon filter. This purifier is designed to cover areas up to 320 square feet, making it appropriate for bedrooms or small living rooms. Its CADR is rated at about 240 m³/h. The machine works silently and offers different fan speeds. While it lacks smart features, it is designed to be easy to use. The filter life is noted as being long, provided it is cleaned regularly.
Specifications:
- Coverage Area: 320 square feet
- Filter Type: HEPA filter, activated carbon filter, Plasmacluster technology
- CADR: 240 m³/h
- Features: Multiple fan speeds
The benefits include its proprietary technology and long filter life, though it does not have smart capabilities.
Product Listing: Sharp Air Purifier FP-F40E-W (White) at Rs 9,996.
Quick Comparison Table
| Model | Coverage Area | CADR / Airflow | Filtration | Noise Level | Power Use | Smart / Controls | Notable Features | Price (₹) |
|---|---|---|---|---|---|---|---|---|
| Dyson Purifier Cool PC1 | — (suited for larger rooms) | 290 L/sec airflow | Sealed HEPA (captures PM0.1) | Low–Med (Night mode) | — | Remote, MyDyson app, Alexa/Google/Siri | Air Multiplier, 350° oscillation, Auto & Night modes | 39,899 |
| Philips AC0920 | 300 sq ft | 250 m³/h | 2-layer NanoProtect HEPA (0.003 µm) | 20.5 dB | 21 W | Panel (no Wi-Fi/app) | 360° intake, real-time AQI, Auto mode | 7,899 |
| Xiaomi Smart Air Purifier 4 | 516 sq ft | 400 m³/h | True HEPA + Carbon + Primary (0.1 µm) | 32 dB | ~0.8 kWh/day | App + Alexa/Google voice | Fast clean (~7 min), negative ions, LED AQI | 17,999 |
| Honeywell Air Touch V2 | 388 sq ft | 300 m³/h | Pre-filter + H13 HEPA + Carbon + Ionizer | 32.5 dB | 47 W | Touch controls | 4-stage filtration, practical daily use | 8,397 |
| Coway Airmega 150 (AP-1019C) | 355 sq ft | — | Pre-filter + Carbon + Green Anti-Virus True HEPA | 22–49 dB | 35 W | Panel (no app) | 4-color LED AQI, Smart Auto, 8,500-hour filter life | 15,999 |
| Eureka Forbes Air Purifier 355 | 480 sq ft | 355 m³/h | True HEPA H13 + Pre + Carbon + Antibacterial | — | — | Touch controls | Real-time PM2.5 display | 9,999 |
| Sharp FP-F40E-W | 320 sq ft | 240 m³/h | HEPA + Carbon + Plasmacluster | Silent (not specified) | — | Multiple fan speeds | Odour & smoke reduction via Plasmacluster | 9,996 |
Final Take – Which One Should You Buy?
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For Bedrooms/Small Rooms: Philips AC0920 or Sharp FP-F40E-W (quiet, compact, affordable).
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For Families/Medium Rooms: Xiaomi Smart Air Purifier 4 or Honeywell Air Touch V2.
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For Long-Term Savings: Coway Airmega 150 (filter life is unbeatable).
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For Larger Rooms/Premium Choice: Dyson Purifier Cool PC1 (purifier + cooling fan).
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For Practical Use with Display: Eureka Forbes 355 (see real-time PM2.5 changes).
At the end of the day, the right purifier depends on your room size, budget, and whether you care about smart features. What’s non-negotiable is this: with Delhi’s air getting worse each year, an air purifier is no longer optional—it’s survival gear for your home.
