Choose Blueair Blue Signature SP3i for higher CADR and larger-room coverage. Choose IQAir HealthPro Plus XE if you want lower noise.
Which purifier has higher CADR?
The Blueair Blue Signature SP3i has a smoke CADR of 321 CFM versus 300 CFM for the IQAir HealthPro Plus XE, a difference of 7%.
Which purifier is quieter?
IQAir HealthPro Plus XE is quieter (27 vs 54 dB).
Which purifier covers a larger room?
Blueair Blue Signature SP3i fits a larger room (about 498 vs 465 sq ft recommended from CADR).
Which purifier has better smart features?
Both list smart features (WiFi Smart Control, Auto Mode, Odor & Smoke Removal, AHAM Verified 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 Signature SP3i lists HEPASilent; IQAir HealthPro Plus XE lists HyperHEPA, V5-Cell gas.
Bottom line
Choose Blueair Blue Signature SP3i for higher CADR and larger-room coverage. Choose IQAir HealthPro Plus XE if you want lower noise.
| Metric | Blueair Blue Signature SP3i | IQAir HealthPro Plus XE | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 321 CFM | 300 CFM | Blueair Blue Signature SP3i (+7%) |
| Recommended room size | 498 sq ft | 465 sq ft | Blueair Blue Signature SP3i (+7%) |
| Manufacturer claimed coverage | 2250 sq ft | 1125 sq ft | — |
| Minimum noise | 54 dB | 27 dB | IQAir HealthPro Plus XE |
| Filter type | HEPASilent | HyperHEPA, V5-Cell gas | — |
| Replacement interval | — | Pre-filter: 18 months, Gas & Odor filter: 24 months, Main particle filter: 48 months | — |
| Power | 36 W | 8-134 W | — |
| Wi-Fi / app | Yes | Yes | — |
| Dimensions | — | 28 × 15 × 16 in | — |
| Weight | 9.5 lb | 35 lb | — |