Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than ECOSELF HAP609.
Which purifier has higher CADR?
Dreame AirPursue PM20 has published CADR; ECOSELF HAP609 does not.
Which purifier is quieter?
ECOSELF HAP609 is quieter (20 vs 60 dB).
Which purifier covers a larger room?
Dreame AirPursue PM20 is recommended for about 620 sq ft based on CADR.
Which purifier has better smart features?
ECOSELF HAP609 lists Wi-Fi or app control; Dreame AirPursue PM20 does not.
Which purifier has longer filter life?
Filter replacement interval is not published for either model.
Bottom line
Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than ECOSELF HAP609.
| Metric | Dreame AirPursue PM20 | ECOSELF HAP609 |
|---|---|---|
| CADR (smoke) | 400 CFM | — |
| Recommended room size | 620 sq ft | — |
| Claimed coverage | 7534 sq ft | 1800 sq ft |
| Noise | 60 dB | 20 dB |
| Filter type | HEPA-13, carbon, NANO filter, charcoal filter, photocatalyst UV lamp | 3-Stage Filter |
| Filter interval | — | — |
| Smart features | None | None |