Blueair 3613111100 vs Coway Airmega 450
A spec-only comparison using ENERGY STAR certification data. We have not tested either unit, and features like noise, filter price and build quality are not covered here.
- Cleaning speed: the Blueair 3613111100 has the higher smoke CADR (443 vs 443 cfm, 0% more).
- Running cost: the Blueair 3613111100 uses less electricity per ENERGY STAR (259 kWh/yr), about $23.80/yr less at the U.S. average rate (estimate).
- Room size: by AHAM's 2/3 rule, up to about 664 sq ft vs 664 sq ft.
Both sit in ENERGY STAR data as Extra-large rooms (350+ cfm) units by smoke CADR. Listed differences: only the Blueair 3613111100 is listed as connected (app/Wi-Fi); only the Coway Airmega 450 lists an air-quality-sensor auto mode; reported ozone is 2 ppb vs 0 ppb; only the Blueair 3613111100 meets ENERGY STAR Most Efficient criteria. Over 5 years at the U.S. average rate, the electricity difference is about $119.01 (estimate).
| Blueair 3613111100 | Coway Airmega 450 | |
|---|---|---|
| Smoke CADR (cfm) | 443 | 443 |
| Dust CADR (cfm) | 457 | 445 |
| Pollen CADR (cfm) | 450 | 450 |
| ENERGY STAR room size | 687 sq ft | 687 sq ft |
| AHAM 2/3-rule room size | 664 sq ft | 664 sq ft |
| Annual energy | 259 kWh | 389 kWh |
| Est. electricity/yr (U.S. avg) | $47.42 | $71.23 |
| Smoke CADR per watt | 10.14 | 6.69 |
| Ozone (reported) | 2 ppb | 0 ppb |
| Technology | Fan and Filter | Fan and Filter |
| Filters listed | HEPA-Type | HEPA-Type |
| Auto mode | None | Air Quality Sensor |
| Connected | Yes | No |
| Most Efficient | Yes | No |
| Source | ENERGY STAR record 4510390 | ENERGY STAR record 4005917 |
Purchase price and filter cost are not included (data gap). Electricity estimates use 18.31¢/kWh (EIA).
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See Blueair air purifiers on the manufacturer's site (plain link, not an affiliate link)
See Coway air purifiers on the manufacturer's site (plain link, not an affiliate link)