Data through June 2026
Running cost · Air Purifiers · ENERGY STAR certified
Coway Airmega AP-2023K
The Coway Airmega AP-2023K's certified consumption is 277 kWh per year, which prices out to about $51 at the national average rate — your hours of use scale that directly. Even among certified models it's on the thirsty end: 87% more electricity than the median air purifier, ranked 174 of 225. Where you live moves the bill from $36 a year in Nevada to $146 in Hawaii. Note the certified pool here is small (225 models), so rankings shift more with each data refresh.
Estimated annual running cost · U.S. average rate 18.3¢/kWh
$51/yr
- Per month
- $4.23
- Per day
- 14¢
- Certified use
- 277 kWh/yr
- Rated room size
- 468 sq ft
- CADR (smoke)
- 302
- Technology
- Fan and Filter
- Efficiency
- 6.4 CFM/W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 16.4¢ | $45 | |
| Alaska | 28.2¢ | $78 | |
| Arizona | 15.2¢ | $42 | |
| Arkansas | 14.1¢ | $39 | |
| California | 34.7¢ | $96 | |
| Colorado | 17.1¢ | $47 | |
| Connecticut | 24.3¢ | $67 | |
| Delaware | 19.3¢ | $53 | |
| District of Columbia | 24.4¢ | $68 | |
| Florida | 15.1¢ | $42 | |
| Georgia | 16.4¢ | $45 | |
| Hawaiipriciest | 52.7¢ | $146 | |
| Idaho | 14.4¢ | $40 | |
| Illinois | 19.9¢ | $55 | |
| Indiana | 17.5¢ | $49 | |
| Iowa | 15.9¢ | $44 | |
| Kansas | 15.7¢ | $44 | |
| Kentucky | 14.3¢ | $40 | |
| Louisiana | 13.5¢ | $37 | |
| Maine | 29.6¢ | $82 | |
| Maryland | 21.8¢ | $60 | |
| Massachusetts | 29.6¢ | $82 | |
| Michigan | 23.0¢ | $64 | |
| Minnesota | 17.5¢ | $49 | |
| Mississippi | 14.9¢ | $41 | |
| Missouri | 16.2¢ | $45 | |
| Montana | 15.1¢ | $42 | |
| Nebraska | 13.3¢ | $37 | |
| Nevadacheapest | 13.1¢ | $36 | |
| New Hampshire | 27.0¢ | $75 | |
| New Jersey | 24.9¢ | $69 | |
| New Mexico | 15.1¢ | $42 | |
| New York | 29.5¢ | $82 | |
| North Carolina | 14.7¢ | $41 | |
| North Dakota | 14.1¢ | $39 | |
| Ohio | 19.2¢ | $53 | |
| Oklahoma | 14.3¢ | $40 | |
| Oregon | 16.3¢ | $45 | |
| Pennsylvania | 21.7¢ | $60 | |
| Rhode Island | 29.2¢ | $81 | |
| South Carolina | 15.6¢ | $43 | |
| South Dakota | 15.4¢ | $43 | |
| Tennessee | 14.1¢ | $39 | |
| Texas | 15.9¢ | $44 | |
| Utah | 13.4¢ | $37 | |
| Vermont | 24.4¢ | $68 | |
| Virginia | 17.2¢ | $48 | |
| Washington | 14.9¢ | $41 | |
| West Virginia | 15.4¢ | $43 | |
| Wisconsin | 19.6¢ | $54 | |
| Wyoming | 15.2¢ | $42 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Coway AP-2023K | 277 | $51 |
| CUCKOO CAC-R1510FW | 281 | $52 |
| Winix AT40 | 272 | $50 |
| Dreo DR-HAP003S | 282 | $52 |
| Dreo Home DR-HAP003S | 282 | $52 |
| Bosch Air 6000 | 289 | $53 |
Run your own numbers
Your rate, your numbers
- Per day
- 14¢
- Per month
- $4.23
- Per year
- $51
277 kWh/yr × 18.3¢/kWh = $51/yr
Prefilled with this model's certified 277 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh comes from the ENERGY STAR room air cleaner test basis, which assumes continuous daily operation. Running fewer hours costs proportionally less.
Questions, answered with the data
- How much electricity does the Coway Airmega AP-2023K use?
- ENERGY STAR certifies the Coway Airmega AP-2023K at 277 kWh per year. The certified annual kWh comes from the ENERGY STAR room air cleaner test basis, which assumes continuous daily operation. Running fewer hours costs proportionally less.
- How much does the Coway Airmega AP-2023K cost to run per month?
- About $4.23 a month at the U.S. average residential rate (18.3¢/kWh) — 14¢ a day, or $51 a year. Your state's rate moves this up or down; see the table above.
- Is the Coway Airmega AP-2023K energy efficient?
- It uses 87% more electricity than the median certified air purifier, which puts it among the least efficient certified models.
- What does the Coway Airmega AP-2023K cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $36 a year in Nevada (13.1¢/kWh) and $146 in Hawaii (52.7¢/kWh).