Air Purifiers · Head-to-head
Blueair Blue Pure 311i Max vs Winix 5510
The short answer
At current verified prices, the Winix 5510 costs about $49.01 less.
- Choose the Blueair Blue Pure 311i Max if: Standard Room, Ionization
- Choose the Winix 5510 if: Standard Room, Optional PlasmaWave
Specifications
| Spec | Blueair Blue Pure 311i Max | Winix 5510 |
|---|---|---|
| Exact model / SKU | 3332111100 | 5510 |
| Workflow type | Standard Room | Standard Room |
| Independent PM1 CADR at maximum | 220 CFM | 248 CFM |
| Independent PM1 CADR at low-noise setting | 108 CFM | 125 CFM |
| Lowest-speed noise (independent measurement) | — | 35.2 dBA |
| Quiet-test threshold | <45 dBA | Below 45 dBA |
| CADR (smoke where given, else headline) | — | 252 cfm |
| Measured noise range | 23–50 dB | 35.2–67.2 dBA |
| Recommended room size (4.8–5 ACH / AHAM) | — | 392 sq ft |
| AHAM-certified smoke CADR | 283 CFM | 253 CFM |
| Max power draw | — | 53.94 W |
| Ionization/electronic stage present | Yes | Yes |
| Sleep / night mode | — | Yes |
| Ionization can be disabled | No | Yes |
| App control | — | Yes |
| Model-specific ozone/technology disclosure | Zero Ozone Verified by Intertek Sustainability (<5 ppb); CARB ozone-safety certified | PlasmaWave®; 8-hour TWA ozone 0.22 ppbv in a 30 m³ chamber |
| Ionizer / electrostatic stage | — | PlasmaWave bipolar ionization; own on/off button |
| Particle-filter construction/certification | HEPASilent dual filtration combining electrostatic and mechanical filtration | True HEPA filter; 99.99% capture at 0.1–0.3 microns |
| Filter type | — | Washable pre-filter + separate pelleted carbon layer + True HEPA |
| Carbon-media format | Carbon-impregnated fabric | AOC™ carbon pellets |
| Main filter life | — | 12 months |
| OEM replacement-filter price | 44.99 USD | 79.99 USD |
| Stated filter interval | — | 12 months |
| Manufacturer direct/list price | 229.99 USD | 259.99 USD |
| Dated US street price | 172.49 USD | 199.99 USD |
| Washable / removable pet pre-filter | — | Yes |
| Activated carbon amount (where disclosed) | — | 226 g pelleted (Winix via HouseFresh) |
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 →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 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.