Air Purifiers · Head-to-head
Coway Airmega Mighty2 AP-1512N vs Winix 5510
The short answer
Coway Airmega Mighty2 AP-1512N and Winix 5510 finish almost level in our scoring (8.0 vs 7.8 out of 10), so the right pick depends on what you value most. Coway Airmega Mighty2 AP-1512N is stronger on noise at sleep-usable speeds and indoor-air safety & materials. Winix 5510 is stronger on running cost & ownership and value. At current verified prices, the Winix 5510 costs about $90.00 less.
- Choose the Coway Airmega Mighty2 AP-1512N if: Pet owners who want one quiet, ionizer-free purifier for a bedroom or small living room.
- Choose the Winix 5510 if: Budget-minded pet owners who want quiet bedroom cleaning, real carbon and app control for under $200.
Scores by criterion
| Criterion | Coway Airmega Mighty2 AP-1512N | Winix 5510 |
|---|---|---|
| Noise at sleep-usable speeds | 8.6HouseFresh: 35.9 dBA in Sleep mode and 151 cfm at 42.6 dBA on speed 2. | 7.935.2 dBA in sleep; 125 cfm PM1 at 40.8 dBA (HouseFresh). |
| Cleaning performance for bedroom size | 7.5About 151 cfm at quiet speed 2 (99 cfm on speed 1); 260 cfm only at a loud 56.9 dBA. | 7.7248 cfm PM1 at top; 226 g of disclosed pelleted carbon. |
| Sleep-friendly features | 7.8Sleep mode and light sensor, but Smart mode forces sleep in the dark, the buttons are unlit and there is no app. | 7.8Sleep mode, auto mode and an app (sparse per HouseFresh). |
| Indoor-air safety & materials | 9.0No ionizer (HouseFresh); combined HEPA and carbon filter. | 7.0Switchable PlasmaWave ionizer; CARB only, no UL 2998. |
| Running cost & ownership | 7.0$69.99 yearly filter, but HouseFresh rates it the most expensive mid-size unit to own in year one ($415.07). | 7.4$79.99 filter set per year; 3.5 W in sleep; washable pre-filter. |
| Value | 7.3$269.99 sold by Amazon; costs more but gives the most quiet airflow without an ionizer. | 8.6$179.99 for the quietest sleep speed and the most disclosed carbon under $200. |
Specifications
| Spec | Coway Airmega Mighty2 AP-1512N | Winix 5510 |
|---|---|---|
| Exact model / SKU | AP-1512N | 5510 |
| Workflow type | Standard Room | Standard Room |
| Lowest-speed noise (manufacturer) | 19 dB | — |
| Independent PM1 CADR at maximum | 237 CFM | 248 CFM |
| Top-speed noise (manufacturer) | 50 dB | — |
| Independent PM1 CADR at low-noise setting | 165 CFM | 125 CFM |
| Lowest-speed noise (independent measurement) | 35.9 dBA | 35.2 dBA |
| Quiet-test threshold | ≤45 dBA | Below 45 dBA |
| CADR (smoke where given, else headline) | 240 cfm | 252 cfm |
| Measured noise range | 19–50 decibels | 35.2–67.2 dBA |
| Recommended room size (4.8–5 ACH / AHAM) | 390 sq ft | 392 sq ft |
| AHAM-certified smoke CADR | 240 CFM | 253 CFM |
| Max power draw | 56 W | 53.94 W |
| Ionization/electronic stage present | No | Yes |
| Sleep / night mode | Yes | Yes |
| Ionization can be disabled | — | Yes |
| App control | No | Yes |
| Model-specific ozone/technology disclosure | CARB classification: Mechanical (G-26-044) | PlasmaWave®; 8-hour TWA ozone 0.22 ppbv in a 30 m³ chamber |
| Ionizer / electrostatic stage | None (removed vs original Mighty, per HouseFresh) | PlasmaWave bipolar ionization; own on/off button |
| Particle-filter construction/certification | Washable pre-filter plus Max2 activated-carbon and IEST-certified HEPA filtration | True HEPA filter; 99.99% capture at 0.1–0.3 microns |
| Filter type | Washable pre-filter + Max2 combined activated carbon/HEPA | Washable pre-filter + separate pelleted carbon layer + True HEPA |
| Carbon-media format | Activated-carbon pellets | AOC™ carbon pellets |
| Main filter life | 12 months | 12 months |
| OEM replacement-filter price | 69.99 USD | 79.99 USD |
| Stated filter interval | 12 months | 12 months |
| Manufacturer direct/list price | 269.99 USD | 259.99 USD |
| Dated US street price | 269.99 USD | 199.99 USD |
| Washable / removable pet pre-filter | Yes | Yes |
| Activated carbon amount (where disclosed) | Not disclosed | 226 g pelleted (Winix via HouseFresh) |
Coway Airmega Mighty2 AP-1512N
Pros
- Standard-room workflow
- Mechanical-filtration path
- Distinct exact-model corroborating sources
Cons
- Current ownership conditions require publication-time confirmation
- No cross-publisher quietness ranking is made
Recommended for standard-room use based on firsthand HouseFresh evidence and a distinct exact-model WIRED review.
Full Coway Airmega Mighty2 AP-1512N review →Winix 5510
Pros
- Standard-room buyer fit
- Two distinct exact-model evidence sources
- Disableable PlasmaWave disclosure
Cons
- Maximum-output noise is a meaningful source-bounded tradeoff
- Lower-noise delivery evidence should not be compared across test protocols
Recommended for standard-room use with corroborated exact-model evidence from HouseFresh and TechGearLab.
Full Winix 5510 review →Both products are part of our guide The Best Air Purifiers for Pet Dander & Odor of 2026, where you can see every pick, how we score and current prices from each retailer.