# Deal Analysis: COWAY Mighty AP-1512HH **Selling Point:** You're getting a highly-rated HEPA air purifier at 33% off that covers nearly 1,750 sq ft with advanced four-stage filtration and smart auto mode for $155. **Trade-offs:** This is a larger unit requiring decent floor space, replacement filters add ongoing costs, and the auto mode may cycle through fan speeds audibly in response to air quality changes. **Verdict:** Buy if you need whole-room air purification for a large space and want a trusted brand at a solid discount; pass if you have a small room, a tight budget for filter replacements, or noise sensitivity.