Air Purifiers · Head-to-head
Coway Airmega Mighty AP-1512HH vs Coway Airmega Mighty2 AP-1512N
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
Coway Airmega Mighty2 AP-1512N comes out ahead overall with 8.0/10 against 6.6/10 for the Coway Airmega Mighty AP-1512HH. Coway Airmega Mighty2 AP-1512N is stronger on noise at sleep-usable speeds, cleaning performance for bedroom size, sleep-friendly features, indoor-air safety & materials and value. At current verified prices, the Coway Airmega Mighty AP-1512HH costs about $40.00 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 Coway Airmega Mighty2 AP-1512N if: Pet owners who want one quiet, ionizer-free purifier for a bedroom or small living room.
Scores by criterion
| Criterion | Coway Airmega Mighty AP-1512HH | Coway Airmega Mighty2 AP-1512N |
|---|---|---|
| Noise at sleep-usable speeds | 6.338.9 dBA lowest and 44.4 dBA on speed 2 (HouseFresh); no measured quiet CADR. | 8.6HouseFresh: 35.9 dBA in Sleep mode and 151 cfm at 42.6 dBA on speed 2. |
| Cleaning performance for bedroom size | 6.8233 cfm rated CADR; small separate carbon filter. | 7.5About 151 cfm at quiet speed 2 (99 cfm on speed 1); 260 cfm only at a loud 56.9 dBA. |
| Sleep-friendly features | 6.5Sleep and auto modes, light-off; no app. | 7.8Sleep mode and light sensor, but Smart mode forces sleep in the dark, the buttons are unlit and there is no app. |
| Indoor-air safety & materials | 6.8Switchable ionizer; 9 ppb ozone disclosed; HouseFresh saw no ozone rise. | 9.0No ionizer (HouseFresh); combined HEPA and carbon filter. |
| Running cost & ownership | 7.0$57.49 OEM set; cheap generics; washable pre-filter; 77 W at top. | 7.0$69.99 yearly filter, but HouseFresh rates it the most expensive mid-size unit to own in year one ($415.07). |
| Value | 6.4$229.99 live is high against the Winix and Vital; good near $154. | 7.3$269.99 sold by Amazon; costs more but gives the most quiet airflow without an ionizer. |
Specifications
| Spec | Coway Airmega Mighty AP-1512HH | Coway Airmega Mighty2 AP-1512N |
|---|---|---|
| Exact model / SKU | AP-1512HH(W) | AP-1512N |
| Workflow type | Compact box purifier, 4-stage (pre-filter, deodorization filter, HEPA, ionizer) | Standard Room |
| Lowest-speed noise (manufacturer) | 24 dB | 19 dB |
| Independent PM1 CADR at maximum | — | 237 CFM |
| Top-speed noise (manufacturer) | 53 dB | 50 dB |
| Independent PM1 CADR at low-noise setting | — | 165 CFM |
| Lowest-speed noise (independent measurement) | 38.9 dBA | 35.9 dBA |
| Quiet-test threshold | HouseFresh: ≤45 dBA at 3 ft (speed 2 = 44.4 dBA; 51 min to PM1 zero) | ≤45 dBA |
| CADR (smoke where given, else headline) | 233 cfm | 240 cfm |
| Measured noise range | 38.9–60.1 (HouseFresh, 3 ft) | 19–50 decibels |
| Recommended room size (4.8–5 ACH / AHAM) | 361 sq ft | 390 sq ft |
| AHAM-certified smoke CADR | 233 CFM | 240 CFM |
| Max power draw | 77 W | 56 W |
| Ionization/electronic stage present | Yes | No |
| Sleep / night mode | Yes | Yes |
| Ionization can be disabled | Yes | — |
| App control | No | No |
| Model-specific ozone/technology disclosure | CADR certificate lists 9 ppb ozone (below 50 ppb CARB limit); HouseFresh saw no ozone rise over 3 h | CARB classification: Mechanical (G-26-044) |
| Ionizer / electrostatic stage | Bipolar ionizer; switchable | None (removed vs original Mighty, per HouseFresh) |
| Particle-filter construction/certification | True HEPA (Coway) | Washable pre-filter plus Max2 activated-carbon and IEST-certified HEPA filtration |
| Filter type | Washable pre-filter + deodorization (carbon) filter + HEPA | Washable pre-filter + Max2 combined activated carbon/HEPA |
| Carbon-media format | Separate carbon deodorization filter | Activated-carbon pellets |
| Main filter life | 12 months | 12 months |
| OEM replacement-filter price | 57.49 USD | 69.99 USD |
| Stated filter interval | 12 months | 12 months |
| Manufacturer direct/list price | 239.99 USD | 269.99 USD |
| Dated US street price | 153.99 USD | 269.99 USD |
| Washable / removable pet pre-filter | Yes | Yes |
| Activated carbon amount (where disclosed) | Not disclosed | Not disclosed |
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 →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 →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.