Our verdict
Pick the Coway Airmega 100 if running cost matters and you want the lower price. Pick the Coway Airmega 150 if it is the cheaper of the two on the day you buy.
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 100: 25 W; Coway Airmega 150: 35 W.
Filters. Coway Airmega 100: HEPA.
Filters. Coway Airmega 150: HEPA.
Price. When we checked, the Coway Airmega 100 listed for less ($130 against $190); prices move, so check both buttons.
Side by side
| Specification | Coway Airmega 100 | Coway Airmega 150 |
|---|---|---|
| Rated room size | Not stated by the maker | 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 | 20 dB | 19.98 dB |
| Power draw | 25 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.