Air Purifiers · Head-to-head
Coway Airmega Mighty2 AP-1512N vs Levoit Core 400S-P
The short answer
Coway Airmega Mighty2 AP-1512N comes out ahead overall with 8.0/10 against 7.5/10 for the Levoit Core 400S-P. Coway Airmega Mighty2 AP-1512N is stronger on noise at sleep-usable speeds, indoor-air safety & materials and running cost & ownership. At current verified prices, the Levoit Core 400S-P costs about $80.02 less.
- Choose the Coway Airmega Mighty2 AP-1512N if: Pet owners who want the quietest strong dander cleaning in a bedroom up to about 390 sq ft, with no ionizer. For heavy litter-box or dog odor, choose the Core 400S-P with the Smoke Remover filter instead.
- Choose the Levoit Core 400S-P if: Cat owners who will buy the $64.99 Smoke Remover filter (about $255 total) for quiet auto cleaning plus real odor carbon.
Scores by criterion
| Criterion | Coway Airmega Mighty2 AP-1512N | Levoit Core 400S-P |
|---|---|---|
| Noise at sleep-usable speeds | 8.6HouseFresh: 35.9 dBA in Sleep mode and 151 cfm at 42.6 dBA on speed 2. | 7.8134 cfm PM1 under 45 dBA and 35.5 dBA in sleep (HouseFresh). Loud at top speed (60.3 dBA). |
| 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. | 7.8249 cfm PM1. Odor capability depends on the 450 g Smoke Remover filter. |
| 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. | 8.0Laser sensor, auto mode, sleep mode and app. |
| Indoor-air safety & materials | 9.0No ionizer (HouseFresh); combined HEPA and carbon filter. | 7.5No ionizer, Energy Star and CARB listed. Covered by the HEPA-labeling settlement. |
| 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). | 5.5The $64.99 Smoke Remover filter about every 6 months is pricey. |
| Value | 7.3$269.99 sold by Amazon; costs more but gives the most quiet airflow without an ionizer. | 7.0About $255 with the odor filter, roughly the Mighty2's price. |
Specifications
| Spec | Coway Airmega Mighty2 AP-1512N | Levoit Core 400S-P |
|---|---|---|
| Exact model / SKU | AP-1512N | Core 400S-P |
| Workflow type | Standard Room | Cylindrical 360° room purifier: pre-filter + H13-labeled HEPA + carbon |
| Lowest-speed noise (manufacturer) | 19 dB | 22 dB |
| Independent PM1 CADR at maximum | 237 CFM | 249 CFM |
| Top-speed noise (manufacturer) | 50 dB | 52 dB |
| Independent PM1 CADR at low-noise setting | 165 CFM | 134 CFM |
| Lowest-speed noise (independent measurement) | 35.9 dBA | 35.5 dBA |
| Quiet-test threshold | ≤45 dBA | HouseFresh: fastest speed under 45 dBA at 3 ft |
| CADR (smoke where given, else headline) | 240 cfm | 231 cfm |
| Measured noise range | 19–50 decibels | 35.5 (sleep)–60.3 (HouseFresh) |
| Recommended room size (4.8–5 ACH / AHAM) | 390 sq ft | 358 sq ft |
| AHAM-certified smoke CADR | 240 CFM | — |
| Max power draw | 56 W | 38 W |
| Ionization/electronic stage present | No | No |
| Sleep / night mode | Yes | Yes |
| App control | No | Yes |
| Model-specific ozone/technology disclosure | CARB classification: Mechanical (G-26-044) | — |
| Ionizer / electrostatic stage | None (removed vs original Mighty, per HouseFresh) | — |
| Particle-filter construction/certification | Washable pre-filter plus Max2 activated-carbon and IEST-certified HEPA filtration | — |
| Filter type | Washable pre-filter + Max2 combined activated carbon/HEPA | 3-stage; Pet Allergy, Toxin Absorber, Smoke Remover (HEACAFLVNUS0081A, $64.99) options |
| Carbon-media format | Activated-carbon pellets | Pelleted carbon; 450 g in Smoke Remover filter (HouseFresh) |
| Main filter life | 12 months | 6 months |
| OEM replacement-filter price | 69.99 USD | 49.99 USD |
| Quiet Mark certified | Yes | — |
| Stated filter interval | 12 months | — |
| Manufacturer direct/list price | 269.99 USD | 219.99 USD |
| Dated US street price | 269.99 USD | — |
| Washable / removable pet pre-filter | Yes | — |
| Pet-hair pre-filter / intake design | Washable pre-filter | Fabric pre-filter wrapped on cylinder |
| Activated carbon amount (where disclosed) | Not disclosed | — |
| Activated carbon amount (where disclosed) | — | 450 g (Smoke Remover filter, 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 →Levoit Core 400S-P
Pros
- Strong odor carbon with the Smoke Remover filter
- Quiet auto cleaning with a laser sensor
- 35.5 dBA in sleep
- App control
- No ionizer
Cons
- Odor setup costs about $255 in total
- Noisy at top speed, 60.3 dBA
- Filters need replacing about every 6 months
The best mainstream choice for cat owners who want real odor control and quiet nights, provided you budget for the upgraded filter.
Full Levoit Core 400S-P review →Both products are part of our guide The Best Air Purifiers for Pet Dander and Odor of 2026, where you can see every pick, how we score and current prices from each retailer.