Our verdict
Pick the Coway Airmega 200M if your room is larger. Pick the Coway Airmega 150 if running cost matters and you want the lower price.
The central trade-off
Rated room size. Coway Airmega 200M: 361 sq ft; Coway Airmega 150: 214 sq ft.
Power draw. Coway Airmega 150: 35 W; Coway Airmega 200M: 82 W.
Filters. Coway Airmega 200M: HEPA.
Filters. Coway Airmega 150: HEPA.
Price. When we checked, the Coway Airmega 150 listed for less ($190 against $230); prices move, so check both buttons.
Side by side
| Specification | Coway Airmega 200M | Coway Airmega 150 |
|---|---|---|
| Rated room size | 361 sq ft | 214 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 | 19.98 dB |
| Power draw | 82 W | 35 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.