Air Purifiers · Head-to-head
Blueair Blue Pure 311i Max vs Coway Airmega Mighty2 AP-1512N
The short answer
At current verified prices, the Blueair Blue Pure 311i Max costs about $40.99 less.
- Choose the Blueair Blue Pure 311i Max if: Standard Room, Ionization
- Choose the Coway Airmega Mighty2 AP-1512N if: Standard Room Mechanical
Specifications
| Spec | Blueair Blue Pure 311i Max | Coway Airmega Mighty2 AP-1512N |
|---|---|---|
| Exact model / SKU | 3332111100 | AP-1512N |
| Workflow type | Standard Room | Standard Room |
| Lowest-speed noise (manufacturer) | — | 19 dB |
| Independent PM1 CADR at maximum | 220 CFM | 237 CFM |
| Top-speed noise (manufacturer) | — | 50 dB |
| Independent PM1 CADR at low-noise setting | 108 CFM | 165 CFM |
| Lowest-speed noise (independent measurement) | — | 35.9 dBA |
| Quiet-test threshold | <45 dBA | ≤45 dBA |
| CADR (smoke where given, else headline) | — | 240 cfm |
| Measured noise range | 23–50 dB | 19–50 decibels |
| Recommended room size (4.8–5 ACH / AHAM) | — | 390 sq ft |
| AHAM-certified smoke CADR | 283 CFM | 240 CFM |
| Max power draw | — | 56 W |
| Ionization/electronic stage present | Yes | No |
| Sleep / night mode | — | Yes |
| Ionization can be disabled | No | — |
| App control | — | No |
| Model-specific ozone/technology disclosure | Zero Ozone Verified by Intertek Sustainability (<5 ppb); CARB ozone-safety certified | CARB classification: Mechanical (G-26-044) |
| Ionizer / electrostatic stage | — | None (removed vs original Mighty, per HouseFresh) |
| Particle-filter construction/certification | HEPASilent dual filtration combining electrostatic and mechanical filtration | Washable pre-filter plus Max2 activated-carbon and IEST-certified HEPA filtration |
| Filter type | — | Washable pre-filter + Max2 combined activated carbon/HEPA |
| Carbon-media format | Carbon-impregnated fabric | Activated-carbon pellets |
| Main filter life | — | 12 months |
| OEM replacement-filter price | 44.99 USD | 69.99 USD |
| Stated filter interval | — | 12 months |
| Manufacturer direct/list price | 229.99 USD | 269.99 USD |
| Dated US street price | 172.49 USD | 269.99 USD |
| Washable / removable pet pre-filter | — | Yes |
| Activated carbon amount (where disclosed) | — | Not disclosed |
Blueair Blue Pure 311i Max
Pros
- Standard-room buyer fit
- Two distinct exact-model corroborating sources
- Technology condition is clearly disclosed
Cons
- Non-disableable ionization may not suit every buyer
- Ionization is a required ownership consideration
Recommended for standard-room buyers who accept its non-disableable ionization as part of the HEPASilent system.
Full Blueair Blue Pure 311i Max 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 Best Air Purifiers: Evidence-Qualified Picks for Different Room Sizes, where you can see every pick, how we score and current prices from each retailer.