Blueair Blue Pure 211i Max vs Winix 5530
The short answer
Blueair Blue Pure 211i Max and Winix 5530 finish almost level in our scoring (7.4 vs 7.6 out of 10), so the right pick depends on what you value most. Blueair Blue Pure 211i Max is stronger on cleaning performance for bedroom size and sleep-friendly features. Winix 5530 is stronger on running cost & ownership and value. At current verified prices, the Winix 5530 costs about $90.00 less.
- Choose the Blueair Blue Pure 211i Max if: Owners of a large primary suite who want high CADR at night without an always-on ionizer, for about $90 less than the SP4i.
- Choose the Winix 5530 if: Sleepers dealing with cooking, smoke or pet odors who want a carbon-pellet filter for under $180.
Scores by criterion
| Criterion | Blueair Blue Pure 211i Max | Winix 5530 |
|---|---|---|
| Noise at sleep-usable speeds | 7.3RTINGS snippet: 33.9 dBA on low; no measured airflow below 45 dB. | 7.4RTINGS (search snippet only): 32.4 dBA on low; quiet-speed airflow not confirmed on an opened page. |
| Cleaning performance for bedroom size | 8.5435 smoke CADR rated. | 7.0253 cfm CADR is reached only at about 60.7 dBA; about 122 cfm under 45 dBA per an unopened RTINGS summary. |
| Sleep-friendly features | 8.0Night mode with dimmed lights, auto, app. | 7.6Sleep and auto modes plus app control. |
| Indoor-air safety & materials | 7.0Zero-ozone verified and CARB; HEPASilent uses electrostatic charging. | 7.2Switchable, CARB-certified PlasmaWave; it may re-enable after a power loss. |
| Running cost & ownership | 6.546 W; filters last about 9 months. | 8.0Filter Q is widely stocked; 65 W max. |
| Value | 6.5$349. | 8.5$179.99 sold by Amazon. |
Specifications
| Spec | Blueair Blue Pure 211i Max | Winix 5530 |
|---|---|---|
| Workflow type | Extra Large Room | Standard Room |
| Lowest-speed noise (manufacturer) | 23 dB | 23.5 dB |
| Top-speed noise (manufacturer) | 53 dB | — |
| Lowest-speed noise (independent measurement) | 33.9 dBA | 32.4 dBA |
| CADR (smoke where given, else headline) | 435 cfm | 253 cfm |
| Recommended room size (4.8–5 ACH / AHAM) | 674 sq ft | 392 sq ft |
| Max power draw | 46 W | 65 W |
| Sleep / night mode | Yes | — |
| App control | Yes | Yes |
| Ionizer / electrostatic stage | HEPASilent (electrostatic charging + mechanical filtration) | PlasmaWave ionization, switchable |
| Filter type | HEPASilent particle + carbon filter, washable fabric pre-filter | Washable pre-filter + activated carbon pellets + True HEPA (Filter Q 1712-0123-00) |
| Main filter life | 9 months | — |
| Quiet Mark certified | Yes | — |
Blueair Blue Pure 211i Max
Pros
- Large CADR headroom
- Night mode with dimmed lights
- Zero Ozone Verified per retailers
- Cheaper than the SP4i
- App control
Cons
- Limited independent noise testing
- Oversized for small rooms
- Loud at max, about 58.7 dBA
- Premium price
A sensible big-room alternative to the SP4i if you want to skip the unswitchable ionizer and save some money.
Full Blueair Blue Pure 211i Max review →Winix 5530
Pros
- Carbon-pellet filter for odors
- Switchable, CARB-certified ionizer
- App control
- Lower price
- Large coverage rating
Cons
- Loud at max, about 60.7 dBA
- Quiet-speed airflow less established
- Ionizer may re-enable after power loss on earlier models
A good choice when odors are the main problem, and a reasonable bedroom unit overall, provided you leave the ionizer off.
Full Winix 5530 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.