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Best air purifiers for a large room

Open-plan and 500+ sq ft spaces that need whole-room airflow.

All productsAir PurifiersAQI MonitorsMasksHEPA FiltersPurify Greens

Top picks

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Air Purifiersdyson

Dyson Big+Quiet

CADR 520 m³/h1000 sq ft

Premium whole-room purifier-fan for open-plan spaces.

₹59,9004.2
Xiaomi Smart 4
Air Purifiersxiaomi

Xiaomi Smart 4

CADR 400 m³/h516 sq ft

The CADR-per-rupee king — clears big rooms fast.

₹12,9994.1

Why these

Matched products2

Whole-room airflow

Large and open-plan rooms need a purifier that can project clean air across distance, not just filter what's nearby. Look for 400+ m³/h CADR and coverage that comfortably exceeds your floor area.