Data through April 2026
Running cost · Air Purifiers · ENERGY STAR certified
Midea KJ500G-L1
The Midea KJ500G-L1's certified consumption is 297 kWh per year, which prices out to about $56 at the national average rate — your hours of use scale that directly. Even among certified models it's on the thirsty end: 101% more electricity than the median air purifier, ranked 176 of 214. Where you live moves the bill from $37 a year in North Dakota to $138 in Hawaii. Note the certified pool here is small (214 models), so rankings shift more with each data refresh.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$56/yr
- Per month
- $4.66
- Per day
- 15¢
- Certified use
- 297 kWh/yr
- Rated room size
- 474 sq ft
- CADR (smoke)
- 306
- Technology
- Fan and Filter
- Efficiency
- 6.1 CFM/W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $52 | |
| Alaska | 27.4¢ | $81 | |
| Arizona | 15.5¢ | $46 | |
| Arkansas | 14.2¢ | $42 | |
| California | 35.3¢ | $105 | |
| Colorado | 16.5¢ | $49 | |
| Connecticut | 32.2¢ | $96 | |
| Delaware | 18.8¢ | $56 | |
| District of Columbia | 25.4¢ | $75 | |
| Florida | 15.4¢ | $46 | |
| Georgia | 15.4¢ | $46 | |
| Hawaiipriciest | 46.6¢ | $138 | |
| Idaho | 12.7¢ | $38 | |
| Illinois | 20.5¢ | $61 | |
| Indiana | 17.9¢ | $53 | |
| Iowa | 13.9¢ | $41 | |
| Kansas | 15.8¢ | $47 | |
| Kentucky | 15.0¢ | $45 | |
| Louisiana | 14.4¢ | $43 | |
| Maine | 28.4¢ | $84 | |
| Maryland | 22.1¢ | $66 | |
| Massachusetts | 29.4¢ | $87 | |
| Michigan | 21.4¢ | $64 | |
| Minnesota | 16.4¢ | $49 | |
| Mississippi | 16.8¢ | $50 | |
| Missouri | 14.0¢ | $42 | |
| Montana | 13.9¢ | $41 | |
| Nebraska | 13.3¢ | $39 | |
| Nevada | 14.3¢ | $42 | |
| New Hampshire | 27.2¢ | $81 | |
| New Jersey | 23.5¢ | $70 | |
| New Mexico | 15.2¢ | $45 | |
| New York | 29.4¢ | $87 | |
| North Carolina | 16.3¢ | $48 | |
| North Dakotacheapest | 12.3¢ | $37 | |
| Ohio | 19.5¢ | $58 | |
| Oklahoma | 13.3¢ | $40 | |
| Oregon | 15.8¢ | $47 | |
| Pennsylvania | 21.5¢ | $64 | |
| Rhode Island | 28.3¢ | $84 | |
| South Carolina | 17.1¢ | $51 | |
| South Dakota | 14.5¢ | $43 | |
| Tennessee | 14.9¢ | $44 | |
| Texas | 17.0¢ | $50 | |
| Utah | 13.3¢ | $39 | |
| Vermont | 24.6¢ | $73 | |
| Virginia | 17.4¢ | $52 | |
| Washington | 14.4¢ | $43 | |
| West Virginia | 16.1¢ | $48 | |
| Wisconsin | 19.2¢ | $57 | |
| Wyoming | 14.7¢ | $44 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Noma 143-0033-2 | 297 | $56 |
| okaysou AirMac X7 | 297 | $56 |
| Atmosphere Sky 120539 | 298 | $56 |
| IQAir ATEM E | 295 | $56 |
| Blueair 7411371000 | 294 | $55 |
| Midea KJ500G-JA32 | 292 | $55 |
Run your own numbers
Your rate, your numbers
- Per day
- 15¢
- Per month
- $4.66
- Per year
- $56
297 kWh/yr × 18.8¢/kWh = $56/yr
Prefilled with this model's certified 297 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 Midea KJ500G-L1 use?
- ENERGY STAR certifies the Midea KJ500G-L1 at 297 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 Midea KJ500G-L1 cost to run per month?
- About $4.66 a month at the U.S. average residential rate (18.8¢/kWh) — 15¢ a day, or $56 a year. Your state's rate moves this up or down; see the table above.
- Is the Midea KJ500G-L1 energy efficient?
- It uses 101% more electricity than the median certified air purifier, which puts it among the least efficient certified models.
- What does the Midea KJ500G-L1 cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $37 a year in North Dakota (12.3¢/kWh) and $138 in Hawaii (46.6¢/kWh).