Blueair Blue Signature moves more air (CADR) and covers a larger room than WESTHEY AP02.
Which purifier has higher CADR?
Blueair Blue Signature has published CADR; WESTHEY AP02 does not.
Which purifier is quieter?
WESTHEY AP02 is quieter (15 vs 23 dB).
Which purifier covers a larger room?
Blueair Blue Signature is recommended for about 705 sq ft based on CADR.
Which purifier has better smart features?
Blueair Blue Signature lists Wi-Fi or app control; WESTHEY AP02 does not.
Which purifier has longer filter life?
Blueair Blue Signature lists 179.99; WESTHEY AP02 lists every 3-6 months. Intervals are as published and are not converted to a single unit.
Bottom line
Blueair Blue Signature moves more air (CADR) and covers a larger room than WESTHEY AP02.
| Metric | Blueair Blue Signature | WESTHEY AP02 |
|---|---|---|
| CADR (smoke) | 455 CFM | — |
| Recommended room size | 705 sq ft | — |
| Claimed coverage | 3385 sq ft | 1650 sq ft |
| Noise | 23 dB | 15 dB |
| Filter type | HEPASilent | H13 HEPA |
| Filter interval | 179.99 | every 3-6 months |
| Smart features | None | None |