Side-by-side comparison based on expert reviews and community consensus.
Coway Airmega AP-1512HH Mighty
Best OverallCoway Airmega ProX
Best Quiet OperationPrice
$100-$150
$500-$650
Summary
Wirecutter's top pick and a Reddit community favorite, the Coway Mighty delivers powerful HEPA filtration at a mid-range price. It covers large spaces efficiently while running quietly enough for bedrooms.
Reddit allergy users specifically call it out for quiet operation that makes a noticeable difference, and WIRED highlights its handle and wheels for easy room-to-room use. The 1,000 sq ft coverage makes it ideal for open-plan spaces.
Pros
- Top-ranked by Wirecutter among all purifiers tested
- Quiet operation makes it suitable for bedroom use overnight
- Covers far larger spaces than similarly priced competitors
- Energy-efficient — draws less power than rivals with smaller coverage
- True HEPA filter captures dust, pollen, and fine particles
- Quiet for its size, specifically praised on Reddit for bedroom use
- Covers up to 1,000 sq ft at 4 air exchanges per hour
- Handle and wheels make it genuinely portable between rooms
- Five-year warranty — best in class for longevity
- Control panel lock prevents accidental setting changes
Cons
- Design is utilitarian and not aesthetically exciting
- Filter replacement costs add up over time
- No built-in app or smart home integration on base model
- No app connectivity
- Air quality indicator light can be confusing to read
- Heavier at 50 lbs than most competitors
- Premium price point
Our take
This is the air purifier I'd tell any allergy sufferer to buy first — it's the consensus pick across both expert labs and real owners, and it's hard to beat at this price.
If you have a large open home and need something you can move between rooms without it driving you crazy with noise, the ProX is the pick — Reddit and WIRED both land on it for the same reasons.
Buy
