Air Purifiers · Head-to-head
Coway Airmega Mighty AP-1512HH vs Winix 5510
Best for Separate Carbon Filter (Proven Classic)
Coway Airmega Mighty AP-1512HH
6.6/10
$229.99 at Amazon
Check price at Amazon
The short answer
Winix 5510 comes out ahead overall with 7.8/10 against 6.6/10 for the Coway Airmega Mighty AP-1512HH. Winix 5510 is stronger on noise at sleep-usable speeds, cleaning performance for bedroom size, sleep-friendly features, running cost & ownership and value. At current verified prices, the Winix 5510 costs about $50.00 less.
- Choose the Coway Airmega Mighty AP-1512HH if: Pet owners who want a long-proven Coway with separate carbon and HEPA filters and cheap, widely available replacements, ideally bought on sale.
- 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 Mighty AP-1512HH | Winix 5510 |
|---|---|---|
| Noise at sleep-usable speeds | 6.338.9 dBA lowest and 44.4 dBA on speed 2 (HouseFresh); no measured quiet CADR. | 7.935.2 dBA in sleep; 125 cfm PM1 at 40.8 dBA (HouseFresh). |
| Cleaning performance for bedroom size | 6.8233 cfm rated CADR; small separate carbon filter. | 7.7248 cfm PM1 at top; 226 g of disclosed pelleted carbon. |
| Sleep-friendly features | 6.5Sleep and auto modes, light-off; no app. | 7.8Sleep mode, auto mode and an app (sparse per HouseFresh). |
| Indoor-air safety & materials | 6.8Switchable ionizer; 9 ppb ozone disclosed; HouseFresh saw no ozone rise. | 7.0Switchable PlasmaWave ionizer; CARB only, no UL 2998. |
| Running cost & ownership | 7.0$57.49 OEM set; cheap generics; washable pre-filter; 77 W at top. | 7.4$79.99 filter set per year; 3.5 W in sleep; washable pre-filter. |
| Value | 6.4$229.99 live is high against the Winix and Vital; good near $154. | 8.6$179.99 for the quietest sleep speed and the most disclosed carbon under $200. |
Specifications
| Spec | Coway Airmega Mighty AP-1512HH | Winix 5510 |
|---|---|---|
| Exact model / SKU | AP-1512HH(W) | 5510 |
| Workflow type | Compact box purifier, 4-stage (pre-filter, deodorization filter, HEPA, ionizer) | Standard Room |
| Lowest-speed noise (manufacturer) | 24 dB | — |
| Independent PM1 CADR at maximum | — | 248 CFM |
| Top-speed noise (manufacturer) | 53 dB | — |
| Independent PM1 CADR at low-noise setting | — | 125 CFM |
| Lowest-speed noise (independent measurement) | 38.9 dBA | 35.2 dBA |
| Quiet-test threshold | HouseFresh: ≤45 dBA at 3 ft (speed 2 = 44.4 dBA; 51 min to PM1 zero) | Below 45 dBA |
| CADR (smoke where given, else headline) | 233 cfm | 252 cfm |
| Measured noise range | 38.9–60.1 (HouseFresh, 3 ft) | 35.2–67.2 dBA |
| Recommended room size (4.8–5 ACH / AHAM) | 361 sq ft | 392 sq ft |
| AHAM-certified smoke CADR | 233 CFM | 253 CFM |
| Max power draw | 77 W | 53.94 W |
| Ionization/electronic stage present | Yes | Yes |
| Sleep / night mode | Yes | Yes |
| Ionization can be disabled | Yes | Yes |
| App control | No | Yes |
| Model-specific ozone/technology disclosure | CADR certificate lists 9 ppb ozone (below 50 ppb CARB limit); HouseFresh saw no ozone rise over 3 h | PlasmaWave®; 8-hour TWA ozone 0.22 ppbv in a 30 m³ chamber |
| Ionizer / electrostatic stage | Bipolar ionizer; switchable | PlasmaWave bipolar ionization; own on/off button |
| Particle-filter construction/certification | True HEPA (Coway) | True HEPA filter; 99.99% capture at 0.1–0.3 microns |
| Filter type | Washable pre-filter + deodorization (carbon) filter + HEPA | Washable pre-filter + separate pelleted carbon layer + True HEPA |
| Carbon-media format | Separate carbon deodorization filter | AOC™ carbon pellets |
| Main filter life | 12 months | 12 months |
| OEM replacement-filter price | 57.49 USD | 79.99 USD |
| Stated filter interval | 12 months | 12 months |
| Manufacturer direct/list price | 239.99 USD | 259.99 USD |
| Dated US street price | 153.99 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 Mighty AP-1512HH
Pros
- Separate, replaceable carbon filter
- Cheap generic filters available
- Ionizer can be switched off
- Long track record
Cons
- Louder at sleep speeds
- Draws 77 W at top speed
- Smaller carbon filter than the Winix
- Ionizer included
A dependable older design. Buy it only on sale, and otherwise pick one of the newer models above.
Full Coway Airmega Mighty AP-1512HH 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.