Home › Medium (130–249 CADR) › Coway Airmega 100
Coway Airmega 100
#13 of 22 in medium · #31 of 49 overall · all Coway models
3.1
Coway's bedroom unit with auto mode. CADR is derived from Coway's 222 sq ft claim at 5 air changes an hour; no AHAM listing was found.
148 cfmsmoke CADR
229 sq ftAHAM room size
57 dBat full speed
23 Wmax power
$130street price, being verified
One air change of a 300 sq ft room in about 16 min$40 a year in filters$330 to own for 5 years
Ratings
Includes independent measurements from HouseFresh.
Each rating places this unit among the others on a 0.5–5 scale, within its room-size class for the measures that scale with size and across the whole catalog for the rest. Weighted together they give the overall 3.1. Formula and weights.
Specifications
- Smoke CADR
- 148 cfm
- Dust CADR
- 150 cfm
- Pollen CADR
- 150 cfm
- AHAM room size
- 229 sq ft
- Maker's room size
- 222 sq ft
- Max power
- 23 W
- Noise (low / high)
- 36 / 57 dB
- Filter cost
- $40
- Filter life
- 12 months
- Filters per year
- $40
- 5-year cost of ownership
- $330
- True HEPA
- Yes
- Activated carbon
- 0.2 lb
- Auto mode (PM2.5 sensor)
- Yes
- App
- No
- Washable prefilter
- Yes
- AHAM Verifide
- No
- Energy Star
- Yes
- Weight
- 8.0 lb
- Released
- 2024
Independent measurements
| Metric | Value | Source |
|---|---|---|
| Measured CADR HouseFresh estimated PM1 CADR at top speed, from their best-air-purifiers roundup (728 cu ft decay test); not an AHAM lab test | 148 cfm | HouseFresh 2026-09 |
| Noise, measured speed 1 of 3 (lowest); 3 ft (HouseFresh standard); sleep mode 35.6 dBA | 38.9 dBA | HouseFresh 2026-09 |
| Noise, measured speed 3 of 3 (top); 3 ft (HouseFresh standard) | 57.2 dBA | HouseFresh 2026-09 |
| Power draw, measured speed 3 of 3 (top) | 23.2 W | HouseFresh 2026-09 |
| Measured CADR, % of rated HouseFresh estimated PM1 CADR at top speed, from their best-air-purifiers roundup (728 cu ft decay test); not an AHAM lab test (derived from measured cfm ÷ rated smoke CADR) | 100 % | HouseFresh 2026-09 |
How it compares with its neighbors
| # | Model | Smoke CADR | Dust | Pollen | W | dB max | Filters/yr | $/CADR | Score |
|---|---|---|---|---|---|---|---|---|---|
| 10 | Levoit Core 300S | 141 | 140 | 145 | 45 | 50 | $45 | 0.9 | 3.3 |
| 11 | Levoit Vital 100S | 130 | 128 | 131 | 23 | 50 | $70 | 0.8 | 3.3 |
| 12 | Alen BreatheSmart 45i | 245 | 245 | 245 | 50 | 49 | $79 | 1.4 | 3.2 |
| 13 | Coway Airmega 100 | 148 | 150 | 150 | 23 | 57 | $40 | 0.9 | 3.1 |
| 14 | Levoit Core 300 | 141 | 140 | 145 | 45 | 50 | $45 | 0.6 | 3.1 |
| 15 | Alen BreatheSmart FLEX | 240 | 240 | 240 | 50 | 50 | $69 | 1.2 | 3.1 |
| 16 | Clorox Large Room 11020 | 234 | 244 | 240 | 65 | 54 | $100 | 0.6 | 3.1 |