Coway Airmega 150 vs Sharp FP-K50UW Plasmacluster

The Coway Airmega 150 is the better air purifier overall, rated 3.4 to 3.2. The Coway Airmega 150 leads on auto mode. The Sharp FP-K50UW Plasmacluster wins on filter cost and value. The Sharp FP-K50UW Plasmacluster costs $6.30 less ($179.99 vs $186.29).

Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

• Choose the Coway Airmega 150 for auto mode (particle sensor, auto mode vs no air-quality sensor or app).
• Choose the Sharp FP-K50UW Plasmacluster for filter cost ($34.99 a year in filters vs $49.99 a year in filters) and value ($1.08 per cfm of smoke CADR vs $1.22 per cfm of smoke CADR).

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every medium rooms air purifier; a clear win is highlighted. How we rank explains each one.

Specifications

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