Our verdict
Pick the Coway Airmega Mighty2 if running cost matters and you want the lower price. Pick the Coway Airmega 350 if your room is larger.
The central trade-off
Rated room size. Coway Airmega 350: 2,640 sq ft; Coway Airmega Mighty2: 1,800 sq ft.
Smoke CADR. Coway Airmega 350 states 352 CFM; the other's maker page doesn't.
Power draw. Coway Airmega Mighty2: 56 W; Coway Airmega 350: 62 W.
Filters. Coway Airmega 350: HEPA.
Price. When we checked, the Coway Airmega Mighty2 listed for less ($270 against $339); prices move, so check both buttons.
Side by side
| Specification | Coway Airmega Mighty2 | Coway Airmega 350 |
|---|---|---|
| Rated room size | 1,800 sq ft | 2,640 sq ft |
| Smoke CADR | Not stated by the maker | 352 CFM |
| CADR | Not stated by the maker | Not stated by the maker |
| Quietest setting | Not stated by the maker | Not stated by the maker |
| Noise | 19 dB | 21.5 dB |
| Power draw | 56 W | 62 W |
| Filters | Not stated by the maker | 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.