Air Purifiers for Home Face-off

JB Air 400vsCoway AirMega AIM

Published: 5 July 2026Last updated: 1 August 2026

Detailed comparison to help you choose the right best air purifiers for home in india for your needs.

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Air 400 vs AirMega AIM: Which Air Purifiers for Home Should You Buy?

Choose JB Air 400 if:

  • Lowest Filter Replacement Costs
  • High Coverage Area
  • HEPA 13 Filter with Activated Carbon Filter

Choose Coway AirMega AIM if:

  • Unique 360° intake with oscillation covers entire room evenly
  • Vertical tilt 90° allows targeted purification zones
  • Vacuumable pre-filter reduces filter replacement frequency

JB Air 400 vs Coway AirMega AIM Specs Comparison

Showing all 13 specifications

SpecificationJB Air 400Coway AirMega AIM
Coverage Area400 sq ft355 sq ft
CADR200 m³/h300 m³/h
Filter Stages3-stage3-stage
Filter TypePre-filter, Activated Carbon, HEPA 13Pre-filter, True HEPA, Deodorization
Filtration Efficiency99.97%99.999% down to 0.01 microns
Filter Life1 - 2 years8500 hrs (1.5-2 years)
Air Quality MonitoringReal-time (via App and Display)Real-time (4-color LED)
Operating ModesAuto, QuietDynamic airflow, Auto
Noise Level20-48 dB22 dB
Power Consumption42W BLDCUp to 38W
Replacement Filter Cost₹495₹11,980
Warranty1 yr5 yrs motor + 1 yr electrical (extend to 7 yrs)
Manufacturer OriginIndiaSouth Korea

Air 400 vs AirMega AIM: Pros & Cons

JB Air 400

Pros

  • Lowest Filter Replacement Costs
  • High Coverage Area
  • HEPA 13 Filter with Activated Carbon Filter
  • Made in India

Cons

  • Shorter Filter Life
  • Only 1 year warranty

Coway AirMega AIM

Pros

  • Unique 360° intake with oscillation covers entire room evenly
  • Vertical tilt 90° allows targeted purification zones
  • Vacuumable pre-filter reduces filter replacement frequency
  • Premium Coway engineering from South Korea

Cons

  • Expensive at ₹29,900 for 355 sq ft coverage
  • Highest filter replacement cost (₹11,980) doubles ownership expense
  • Lower rating (4.0) compared to sibling AirMega 150 (4.4)
Full Category Comparison

Looking to compare all air purifiers for home models?

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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