Coway Airmega AP-0823E running cost
$23.44/year
The Coway Airmega AP-0823E is rated at 128 kWh per year (ENERGY STAR test conditions). At the US average residential price of 18.3¢/kWh (July 2026), that is about $23.44 a year, or $1.95 a month.
How it compares
Among 74 certified small-room (under 200 sq ft) air purifiers (same size band), it ranks #72 for lowest running cost (class median $15.56/year). Recommended room size (sq ft): 183.
Cheaper-to-run air purifiers in the same size band
- Blueair 4612522000 — 30 kWh/yr, $5.49/yr
- DREAME CVA10B — 32 kWh/yr, $5.86/yr
- AeroNova MK01A — 33 kWh/yr, $6.04/yr
- AeroNova DH-JH01A — 33 kWh/yr, $6.04/yr
- AROEVE MK01A — 33 kWh/yr, $6.04/yr
Specifications
| Smoke CADR (cfm) | 118.0 |
|---|---|
| Dust CADR (cfm) | 130.0 |
| Pollen CADR (cfm) | 136.0 |
| PM2.5 CADR (cfm) | 124.0 |
| Ozone emissions (ppb) | 0.00 |
| Filter type | HEPA-Type |
| Smart / connected | No |
| On market since | 2025-06-01 |
| Annual energy use | 128 kWh |
Source: ENERGY STAR certified air purifiers dataset, record 4707854. Real-world use depends on hours of operation, settings and climate.
Cost to run in every state
| State | Price | Per year |
|---|---|---|
| Louisiana | 12.7¢ | $16.28 |
| Nevada | 12.8¢ | $16.35 |
| Utah | 13.1¢ | $16.79 |
| North Dakota | 13.4¢ | $17.16 |
| Tennessee | 13.7¢ | $17.55 |
| Idaho | 13.7¢ | $17.57 |
| Nebraska | 13.8¢ | $17.64 |
| Kentucky | 13.8¢ | $17.68 |
| Arkansas | 14.3¢ | $18.34 |
| Oklahoma | 14.3¢ | $18.37 |
| Wyoming | 14.4¢ | $18.38 |
| Mississippi | 14.5¢ | $18.61 |
| Washington | 14.7¢ | $18.83 |
| Montana | 15.0¢ | $19.19 |
| Florida | 15.0¢ | $19.24 |
| North Carolina | 15.2¢ | $19.40 |
| Kansas | 15.3¢ | $19.55 |
| South Dakota | 15.4¢ | $19.67 |
| Arizona | 15.4¢ | $19.69 |
| South Carolina | 15.5¢ | $19.80 |
| West Virginia | 15.8¢ | $20.20 |
| Texas | 15.9¢ | $20.33 |
| Oregon | 16.0¢ | $20.44 |
| Iowa | 16.0¢ | $20.47 |
| Missouri | 16.1¢ | $20.60 |
| New Mexico | 16.1¢ | $20.60 |
| Georgia | 16.3¢ | $20.83 |
| Alabama | 16.4¢ | $20.99 |
| Indiana | 16.7¢ | $21.41 |
| Colorado | 17.0¢ | $21.76 |
| Minnesota | 17.4¢ | $22.34 |
| Virginia | 17.6¢ | $22.46 |
| Delaware | 18.5¢ | $23.65 |
| Wisconsin | 19.1¢ | $24.40 |
| Illinois | 19.2¢ | $24.60 |
| Ohio | 19.4¢ | $24.90 |
| Maryland | 21.4¢ | $27.40 |
| Pennsylvania | 21.7¢ | $27.80 |
| Michigan | 23.1¢ | $29.50 |
| Vermont | 23.8¢ | $30.40 |
| Connecticut | 24.2¢ | $30.92 |
| New Jersey | 25.2¢ | $32.24 |
| District of Columbia | 25.2¢ | $32.27 |
| New Hampshire | 26.6¢ | $34.05 |
| Rhode Island | 28.3¢ | $36.21 |
| Alaska | 28.8¢ | $36.90 |
| New York | 29.9¢ | $38.27 |
| Massachusetts | 30.5¢ | $39.03 |
| Maine | 32.4¢ | $41.48 |
| California | 33.6¢ | $43.02 |
| Hawaii | 48.0¢ | $61.44 |