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Air Purifiers

True HEPA purifiers sized to your room

2 products · 1 guide

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Best Air Purifiers by Room Size: Smoke CADR, Noise and Filter Upkeep

Air purifiers matched to your room by smoke CADR on AHAM's 4.8-air-change basis, with each maker's noise range, ENERGY STAR and CARB status, and filters.

Updated November 2, 2026Read

All air purifiers (2)

Coway

233 CFM CADR361 sq ft roomWashable pre-filter + carbon deodorization filter + HEPA; switchable ionizer

Coway Airmega Mighty AP-1512HH Air Purifier (White)

Coway's long-running mid-size purifier: smoke CADR 233 with a washable pre-filter, carbon deodorization filter and HEPA filter, a particle sensor with auto mode, and a switchable ionizer.

Comes in 5 versions: see which to buy

Bedrooms
Pet owners
Home office

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Coway

240 CFM CADRWashable pre-filter + Max2 filter (activated carbon + HEPA) 19 dB low

Coway Airmega Mighty2 AP-1512N Air Purifier (White)

The 2026 successor to Coway's Mighty: smoke CADR 240, a washable pre-filter plus a combined carbon and HEPA filter, a PM1/2.5/10 laser sensor, and a purely mechanical design with no ionizer.

Comes in 4 versions: see which to buy

Bedrooms
Pet owners
Home office

See on Amazon View details →