Air Purifiers · Head-to-head
Coway Airmega Mighty2 AP-1512N vs Windmill Windmill Air Purifier (975 sq ft model)
Best With White Noise Mode
Windmill Windmill Air Purifier (975 sq ft model)
6.8/10
$199.00 at Amazon
Check price at Amazon
The short answer
Coway Airmega Mighty2 AP-1512N comes out ahead overall with 8.0/10 against 6.8/10 for the Windmill Windmill Air Purifier (975 sq ft model). Coway Airmega Mighty2 AP-1512N is stronger on noise at sleep-usable speeds, cleaning performance for bedroom size, indoor-air safety & materials, running cost & ownership and value. Windmill Windmill Air Purifier (975 sq ft model) is stronger on sleep-friendly features. At current verified prices, the Windmill Windmill Air Purifier (975 sq ft model) costs about $70.99 less.
- Choose the Coway Airmega Mighty2 AP-1512N if: Most people with a 150–400 sq ft bedroom who want the most clean air at a sleep-tolerable noise level, with no ionizer and no need for an app.
- Choose the Windmill Windmill Air Purifier (975 sq ft model) if: Sleepers who want built-in white noise and a minimalist design for a small bedroom.
Scores by criterion
| Criterion | Coway Airmega Mighty2 AP-1512N | Windmill Windmill Air Purifier (975 sq ft model) |
|---|---|---|
| Noise at sleep-usable speeds | 8.6HouseFresh: 35.9 dBA in Sleep mode and 151 cfm at 42.6 dBA on speed 2. | 7.5Tom's Guide: 38.4 dBA on low. |
| 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. | 5.0130 cfm, 202 sq ft. |
| 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. | 8.8Whisper mode with lights off, White Noise mode, app. |
| Indoor-air safety & materials | 9.0No ionizer (HouseFresh); combined HEPA and carbon filter. | 8.0No ionizer; AHAM Verifide, CARB, Energy Star listed. |
| 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). | 5.0Proprietary 6-month filters. |
| Value | 7.3$269.99 sold by Amazon; costs more but gives the most quiet airflow without an ionizer. | 6.0$189 from a third-party seller on Amazon. |
Specifications
| Spec | Coway Airmega Mighty2 AP-1512N | Windmill Windmill Air Purifier (975 sq ft model) |
|---|---|---|
| Exact model / SKU | AP-1512N | — |
| Workflow type | Standard Room | — |
| Lowest-speed noise (manufacturer) | 19 dB | 16 dB |
| Independent PM1 CADR at maximum | 237 CFM | — |
| Top-speed noise (manufacturer) | 50 dB | 52 dB |
| Independent PM1 CADR at low-noise setting | 165 CFM | — |
| Lowest-speed noise (independent measurement) | 35.9 dBA | 38.4 dBA |
| Quiet-test threshold | ≤45 dBA | — |
| CADR (smoke where given, else headline) | 240 cfm | 130 cfm |
| Measured noise range | 19–50 decibels | — |
| Recommended room size (4.8–5 ACH / AHAM) | 390 sq ft | 202 sq ft |
| AHAM-certified smoke CADR | 240 CFM | — |
| Max power draw | 56 W | — |
| Ionization/electronic stage present | 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) | None mentioned |
| 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-in-1 H13 HEPA with activated carbon layer (proprietary) |
| Carbon-media format | Activated-carbon pellets | — |
| Main filter life | 12 months | 6 months |
| OEM replacement-filter price | 69.99 USD | — |
| Stated filter interval | 12 months | — |
| Manufacturer direct/list price | 269.99 USD | — |
| Dated US street price | 269.99 USD | — |
| Washable / removable pet pre-filter | Yes | — |
| Activated carbon amount (where disclosed) | Not disclosed | — |
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 →Windmill Windmill Air Purifier (975 sq ft model)
Pros
- White Noise mode
- Lights-off Whisper mode
- Minimalist design
- App control
- Multiple certifications listed
Cons
- Modest 130 cfm CADR
- Filters every six months
- Among the costliest to own
- Amazon offer is third-party
A design and sleep-sound pick, not a performance pick. Buy it for the look and the white noise.
Full Windmill Windmill Air Purifier (975 sq ft model) review →Both products are part of our guide The Best Quiet Air Purifiers for Bedrooms of 2026, where you can see every pick, how we score and current prices from each retailer.