Our verdict
Pick the Coway Airmega 200M if you want the lower price. Pick the Coway Airmega 250 if your room is larger and running cost matters.
The central trade-off
Rated room size. Coway Airmega 250: 930 sq ft; Coway Airmega 200M: 361 sq ft.
Power draw. Coway Airmega 250: 64 W; Coway Airmega 200M: 82 W.
Filters. Coway Airmega 200M: HEPA.
Filters. Coway Airmega 250: HEPA.
Price. When we checked, the Coway Airmega 200M listed for less ($230 against $399); prices move, so check both buttons.
Side by side
| Specification | Coway Airmega 200M | Coway Airmega 250 |
|---|---|---|
| Rated room size | 361 sq ft | 930 sq ft |
| Smoke CADR | Not stated by the maker | Not stated by the maker |
| CADR | Not stated by the maker | Not stated by the maker |
| Quietest setting | Not stated by the maker | Not stated by the maker |
| Noise | 24.4 dB | 22 dB |
| Power draw | 82 W | 64 W |
| Filters | HEPA | HEPA |
| Warranty | Not stated by the maker | Not stated by the maker |
Values are the makers' published specifications. "Not stated" means the maker doesn't publish it.