Our verdict
Pick the Coway Airmega 150 if it is the cheaper of the two on the day you buy. Pick the Coway Airmega Aim if running cost matters and you want the lower price.
The central trade-off
Rated room size. Coway Airmega 150 states 214 sq ft; the other's maker page doesn't.
Power draw. Coway Airmega Aim: 33 W; Coway Airmega 150: 35 W.
Filters. Coway Airmega 150: HEPA.
Price. When we checked, the Coway Airmega Aim listed for less ($150 against $190); prices move, so check both buttons.
Side by side
| Specification | Coway Airmega 150 | Coway Airmega Aim |
|---|---|---|
| Rated room size | 214 sq ft | Not stated by the maker |
| 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 | 19.98 dB | Not stated by the maker |
| Power draw | 35 W | 33 W |
| Filters | HEPA | Not stated by the maker |
| 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.