Our Verdict
Coway Airmega AP-1512HH(W) Wins

It offers a CADR smoke of 233 and covers 361 sq ft, crucial for effective air purification, unlike the Winix 5510 which lacks comparable air purification specs. Choose Winix 5510 for its specific pet care features like auto-cleaning and waste management.
Spec Comparison
15 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $170 | $159 |
| Rating | 4.6(28.0k) | 4.6(30.5k) |
| Cadr Smoke | 233 | — |
| Coverage Sq Ft | 361 | — |
| Noise Level db Min | 24.4 dB | — |
| Weight | 12.5 lbs | 24 lbs |
| Filter Type | True HEPA | — |
| Smart Sensor | Yes | — |
| Noise Level db Max | 53.8 dB | — |
| Sensor Type | — | OmniSense |
| Model Number | — | 5510 |
| WiFi | — | Yes |
| Dimensions | — | 22" × 30" × 27" |
| Max Pet Weight | — | 25 lbs |
| App Subscription | — | Free |
| Cleaning Cycle | — | 7 min |
| Waste Capacity | — | 5.5L |
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Pros & Cons
Quick overview of strengths and weaknesses
Coway Airmega AP-1512HH(W)
- Covers rooms up to 361 sq ft (CADR smoke 233)
- Four-stage filtration, 99.97% of 0.3 micron particles
- Reduces VOCs and odors
- Real-time air quality monitoring with LED
- Max noise level is 53.8 dB, audible in quiet settings
- Filters are not covered by manufacturer's warranty
- Limited warranty: 1 year parts, 3 year motor
Winix 5510 Air
- Auto-cleans after each use
- WiFi app monitoring
- Fits cats up to 25 lbs
- Low noise operation
- Large footprint
- High upfront cost
- Requires specific litter
Frequently Asked Questions
Common questions about this comparison
Which is better for air purification?
The Coway Airmega AP-1512HH(W) is clearly superior for air purification, offering a CADR smoke of 233 and covering 361 sq ft. The Winix 5510's specifications do not include air purification metrics like CADR or coverage.
What's the main difference in functionality?
The Coway Airmega AP-1512HH(W) is a dedicated air purifier with advanced filtration and air quality monitoring. The Winix 5510, while named an "Air Purifier," presents features more aligned with a self-cleaning pet waste management system, including auto-cleaning and waste disposal.
Is one better for pet owners?
For pet waste management, the Winix 5510 is designed for pet care, fitting cats up to 25 lbs with auto-cleaning and a waste drawer. For general pet dander and odor air purification, the Coway Airmega AP-1512HH(W) is the only product with specified air cleaning performance.
How do their noise levels compare?
The Coway Airmega AP-1512HH(W) operates from a minimum of 24.4 dB to a maximum of 53.8 dB. The Winix 5510 lists "low noise operation" as a pro, but specific decibel levels for its operation are not provided in its specifications.
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