Blueair Blue Pure 311i Max
$229.00
Price checked 2026-08-24
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Blueair Blue Pure 311i Max vs Winix 5510
Side-by-side spec diff. Differing values highlighted; identical values dimmed. CADR and ozone rows only carry dual-sourced values. Prices as of 2026-08-24.
| Spec | Blueair Blue Pure 311i Max | Winix 5510 |
|---|---|---|
| Price | $229.00 | $179.99 |
| Availability | In Stock | In Stock |
| CADR ✓₂ | 250 cfm ✓₂ | 253 smoke, 252 dust, 247 pollen cfm ✓₂ |
| Room size | 387 ft² @4.8 ACH | 392 ft² AHAM · 1882 ft² @1 ACH |
| Filter type | HEPASilent | True HEPA |
| Filter stages | pre_washable_fabric, particle_carbon | pre_washable, aoc_carbon, true_hepa, plasmawave_ionizer |
| Noise | 23–50 dB | 40.2–65.7 dB |
| Ozone status ✓₂ | CARB-certified (Electronic) — list entry Blue Pure 311i Max, model code 3332111100, certified 2023-03-09, approval G-23-050; Blueair's product page makes no additional ozone statement. | CARB-certified (Electronic) — list entry WINIX 5510, certified 2024-10-03, approval G-24-234; the CARB electronic category caps ozone at 0.050 ppm. Winix's product page makes no additional ozone statement. |
| App / ecosystem | blueair_app, alexa, google | winix_app, alexa, google |
| Sensors | PM2.5/air-quality | PM2.5/air-quality |
| Auto mode | Yes | Yes |
| Humidifier combo | No | No |
Winix 5510
$179.99
Price checked 2026-08-24
Buy link unavailable
Fail-closed pending verified Associates tag.
Independent comparison. Prices are point-in-time scrapes from Amazon.com listings, not offers. CADR figures render only where two independent sources agree; ozone status is checked against the California Air Resources Board certified-device list. No health claims beyond manufacturer documentation.