Best Air Purifiers under ₹20000: Choose from the top 9 options for clean and fresh air at home

1. Philips AC1215/20 Air Purifier with HEPA Filter – Up to 677 sq. ft. Coverage

Engineered with Vitashield IPS technology and an intelligent auto mode, the Philips AC1215/20 ensures cleaner air in medium-sized rooms. It uses a True HEPA filter to trap 99.97% of airborne particles as small as 0.003 microns. The purifier also comes with a NightSense mode that dims lights and reduces fan noise for restful sleep.

Specifications:

Filter Type: HEPA

Coverage Area: Up to 677 sq. ft.

CADR: 270 m³/hr

Noise Level: 33 dB

Special Features: Auto Mode, NightSense Mode, Real-time Air Quality Indicator

Why Buy: Reliable brand, effective filtration, quiet operation.
Why Avoid: No Wi-Fi or app control features.

2. Coway Professional Air Purifier – HEPA Filter | Up to 355 sq. ft.

Coway’s air purifier stands out for its sleek design and powerful performance. It features a multi-layer filtration system, including a HEPA filter and deodorisation filter, to tackle both allergens and odours. With a CADR of 303 m³/hr, it’s ideal for bedrooms or offices.

Specifications:

Filter Type: HEPA

Coverage Area: Up to 355 sq. ft.

CADR: 303 m³/hr

Special Features: Air Quality Indicator, Filter Replacement Alarm

Why Buy: Compact, high CADR, energy-efficient.
Why Avoid: Limited smart features, no app connectivity.

3. Honeywell Air Touch V2 – 4-Stage Filtration | 388 sq. ft. Coverage

The Honeywell Air Touch V2 combines affordability with solid performance. It includes a pre-filter, activated carbon filter, and HEPA filter, removing pollutants down to 0.3 microns. It’s ozone-free and safe for long-term use in homes.

Specifications:

Filter Type: HEPA + Activated Carbon

Coverage Area: 388 sq. ft.

CADR: 250 m³/hr

Noise Level: 44 dB

Special Features: 4-Stage Filtration, Touch Controls

Why Buy: Trusted brand, affordable, decent coverage.
Why Avoid: No real-time air quality monitoring or app control.

4. SHARP Room Air Purifier – Plasmacluster Technology | 320 sq. ft.

SHARP offers a unique air purification experience with its patented Plasmacluster Ion technology, which neutralises bacteria and viruses. Paired with a true HEPA filter and deodorising filter, this unit ensures fresh, clean air in your home.

Specifications:

Filter Type: HEPA + Deodorizing + Plasmacluster

Coverage Area: Up to 320 sq. ft.

CADR: 240 m³/hr

Special Features: Plasmacluster Technology, Dust & Odor Sensors

Why Buy: Advanced Japanese tech, strong filtration.
Why Avoid: Slightly higher price point for the coverage range.

5. Dyson Pure Cool Link TP03 – Tower Fan & Air Purifier | Wi-Fi Enabled

Combining style with functionality, the Dyson Pure Cool Link is both a tower fan and an air purifier. It removes 99.95% of ultra-fine particles and connects to the Dyson app for real-time monitoring and scheduling.

Specifications:

Filter Type: HEPA

Coverage Area: Medium Rooms

Special Features: Wi-Fi Connectivity, App Control, Voice Assistant Compatible

Why Buy: Smart controls; dual-purpose device; premium aesthetics.
Why Avoid: Expensive compared to other purifiers with similar coverage.

6. AIRTH Air Purifier – Medical Grade HEPA-14 | PM2.5 Display | 500 sq. ft.

AIRTH delivers hospital-grade air purification with its HEPA-14 filter, targeting ultrafine particles and microbes. Its real-time PM2.5 display helps users stay informed, while the 5-stage purification makes it ideal for health-conscious homes.

Specifications:

Filter Type: HEPA-14

Coverage Area: 500 sq. ft.

CADR: 204 m³/hr

Special Features: Real-time PM2.5 Display, 5-Stage Filtration

Why Buy: High-efficiency HEPA-14 filter, informative display.
Why Avoid: No smart or app features, slightly lower CADR.

7. MI Xiaomi Smart Air Purifier 4 Lite – HEPA Filter | App + Alexa Control

This MI air purifier blends affordability with smart features, including app and voice assistant compatibility. Its True HEPA filter captures harmful PM2.5 particles and allergens while providing real-time air quality updates via the Mi Home app.

Specifications:

Filter Type: HEPA

Coverage Area: Up to 463 sq. ft.

CADR: 360 m³/hr

Special Features: App & Alexa Control, OLED Display, Child Lock

Why Buy: Smart controls, high CADR, and good value.
Why Avoid: Filter replacements can be slightly expensive.

8. Blue Star BS-AP300DAI – Auto Mode | HEPA Filter | 300 sq. ft.

Blue Star’s air purifier offers a fuss-free, efficient performance with its multi-stage filtration and real-time LED indicators. Its auto mode adjusts fan speed based on air quality, enhancing energy savings.

Specifications:

Filter Type: HEPA + Active Carbon + Pre-filter

Coverage Area: 300 sq. ft.

CADR: 200 m³/hr

Special Features: Auto Mode, LED Air Quality Indicator

Why Buy: Budget-friendly, auto-adjusting fan, compact.
Why Avoid: Lower CADR and basic display.

9. TruSens Z-1000 Air Purifier – UV Sterilization | Dual Airflow | 250 sq. ft.

TruSens Z-1000 combines HEPA filtration with UV-C sterilisation, targeting not just pollutants but also viruses and bacteria. Its PureDirect technology splits clean air into two streams for better distribution.

Specifications:

Filter Type: HEPA + UV Sterilization

Coverage Area: Up to 250 sq. ft.

CADR: 161 m³/hr

Special Features: UV-C Light, Dual Airflow, Filter Change Indicator

Why Buy: UV protection, compactness, and unique air delivery.
Why Avoid: Lower CADR, not ideal for large rooms.