FreAire B0HBJ3N8BD moves more air (CADR) and covers a larger room than Winix 5520.
Which purifier has higher CADR?
FreAire B0HBJ3N8BD has higher CADR (559 vs 252 CFM).
Which purifier is quieter?
FreAire B0HBJ3N8BD is quieter (22 vs 40 dB).
Which purifier covers a larger room?
FreAire B0HBJ3N8BD fits a larger room (about 866 vs 391 sq ft recommended from CADR).
Which purifier has better smart features?
Both list smart features (None vs None).
Which purifier has longer filter life?
FreAire B0HBJ3N8BD lists 19 months; Winix 5520 lists 12. Intervals are as published and are not converted to a single unit.
Bottom line
FreAire B0HBJ3N8BD moves more air (CADR) and covers a larger room than Winix 5520.
| Metric | FreAire B0HBJ3N8BD | Winix 5520 |
|---|---|---|
| CADR (smoke) | 559 CFM | 252 CFM |
| Recommended room size | 866 sq ft | 391 sq ft |
| Claimed coverage | 2390 sq ft | 1882 sq ft |
| Noise | 22 dB | 40 dB |
| Filter type | HEPA | True HEPA, AOC™ Carbon |
| Filter interval | 19 months | 12 |
| Smart features | None | None |