Home › Large (250–399 CADR) › Coway Airmega 300
Coway Airmega 300
Two-sided filtration with a real carbon layer; filters cost more than most.
Ratings
Spec-based rating. No independent measurement has been logged for this air purifier yet, so the score uses manufacturer specifications and price. How that works.
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 3.6. Formula and weights.
Specifications
- Smoke CADR
- 300 cfm
- Dust CADR
- 300 cfm
- Pollen CADR
- 300 cfm
- AHAM room size
- 465 sq ft
- Maker's room size
- 1,256 sq ft
- Max power
- 57 W
- Noise (low / high)
- 22 / 52 dB
- Filter cost
- $110
- Filter life
- 12 months
- Filters per year
- $110
- 5-year cost of ownership
- $829
- True HEPA
- Yes
- Activated carbon
- 1.1 lb
- Auto mode (PM2.5 sensor)
- Yes
- App
- No
- Washable prefilter
- Yes
- AHAM Verifide
- Yes
- Energy Star
- Yes
- Weight
- 21.4
- Released
- 2017
Independent measurements
None logged yet. We only record numbers from published tests, each with a link to its source. The reviewers and labs we track. Know of a test we've missed? Tell us.
How it compares with its neighbors
| # | Model | Smoke CADR | Dust | Pollen | W | dB max | Filters/yr | $/CADR | Score |
|---|---|---|---|---|---|---|---|---|---|
| 2 | Blueair Blue Pure 311i Max | 250 | 250 | 250 | 36 | 50 | $120 | 0.7 | 3.9 |
| 3 | Levoit Core 400S | 260 | 242 | 250 | 38 | 52 | $100 | 0.7 | 3.8 |
| 4 | Blueair Blue Pure 311 Auto | 250 | 250 | 250 | 30 | 50 | $120 | 0.8 | 3.7 |
| 5 | Coway Airmega 300 | 300 | 300 | 300 | 57 | 52 | $110 | 0.9 | 3.6 |
| 6 | Coway Airmega 400 | 350 | 350 | 350 | 66 | 52 | $130 | 1.1 | 3.4 |
| 7 | Coway Airmega 400S | 350 | 350 | 350 | 66 | 52 | $130 | 1.3 | 3.4 |
| 8 | Levoit EverestAir | 360 | 340 | 350 | 49 | 52 | $160 | 1.1 | 3.4 |
Head-to-head: Dreo Macro Pro vs Coway Airmega 300 · Blueair Blue Pure 311i Max vs Coway Airmega 300 · Levoit Core 400S vs Coway Airmega 300 · Blueair Blue Pure 311 Auto vs Coway Airmega 300