Choose Blueair Blue Pure 311i Max for higher CADR and larger-room coverage and lower noise.
Which purifier has higher CADR?
The Blueair Blue Pure 311i Max has a smoke CADR of 365 CFM versus 300 CFM for the IQAir HealthPro Plus XE, a difference of 22%.
Which purifier is quieter?
Blueair Blue Pure 311i Max is quieter (23 vs 27 dB).
Which purifier covers a larger room?
Blueair Blue Pure 311i Max fits a larger room (about 566 vs 465 sq ft recommended from CADR).
Which purifier has better smart features?
Both list smart features (Removes 99.97% of airborne particles down to 0.1 microns, WiFi connectivity and auto-mode, LED air quality indicator, Ultra-quiet performance vs HyperHEPA filter H12/13(L) Efficiency: ≥99.97% @ ≥0.3µm, Advanced Gas and Odor Control Filter, WiFi connectivity, 6 fan speeds).
Which purifier has better filtration?
Blueair Blue Pure 311i Max lists HEPASilent; IQAir HealthPro Plus XE lists HyperHEPA, V5-Cell gas.
Bottom line
Choose Blueair Blue Pure 311i Max for higher CADR and larger-room coverage and lower noise.
| Metric | Blueair Blue Pure 311i Max | IQAir HealthPro Plus XE | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 365 CFM | 300 CFM | Blueair Blue Pure 311i Max (+22%) |
| Recommended room size | 566 sq ft | 465 sq ft | Blueair Blue Pure 311i Max (+22%) |
| Manufacturer claimed coverage | 2107 sq ft | 1125 sq ft | — |
| Minimum noise | 23 dB | 27 dB | Blueair Blue Pure 311i Max |
| Filter type | HEPASilent | HyperHEPA, V5-Cell gas | — |
| Replacement interval | 9 months | Pre-filter: 18 months, Gas & Odor filter: 24 months, Main particle filter: 48 months | — |
| Power | 32 W | 8-134 W | — |
| Wi-Fi / app | Yes | Yes | — |
| Dimensions | 19 × 12.5 × 12.5 in | 28 × 15 × 16 in | — |
| Weight | 7.8 lb | 35 lb | — |