Coway

3 products scored · average composite 5.4/10. Scores are computed from published specs and verified certifications, not brand reputation.

• 8.7
  Coway Airmega AP-1512HH Mighty

  AHAM-verified, true sealed HEPA, cheap to run, no ozone. The honest benchmark.

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• 4.0
  Coway Airmega 400

  A dual-intake powerhouse rated for 1,560 sq ft with high CADR and pure mechanical filtration - no ionizer, no ozone.

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• 3.5
  Coway Airmega 200M

  A compact True HEPA purifier rated for medium rooms - but it adds a bipolar ionizer (switchable) and is not AHAM-listed.

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