Data through June 2026
Running cost · Air Purifiers · ENERGY STAR certified
Midea KJ500G-L1
At the standardized usage ENERGY STAR assumes, the Midea KJ500G-L1 consumes 299 kWh a year — about $55 at the U.S. average electricity rate ($4.57 a month). It sits near the bottom of the certified table — using 102% more than the median air purifier (rank 188 of 225) — so the state you live in matters more than usual. Where you live moves the bill from $39 a year in Nevada to $158 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
$55/yr
- Per month
- $4.57
- Per day
- 15¢
- Certified use
- 299 kWh/yr
- Rated room size
- 473 sq ft
- CADR (smoke)
- 305
- Technology
- Fan and Filter
- Efficiency
- 6 CFM/W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 16.4¢ | $49 | |
| Alaska | 28.2¢ | $84 | |
| Arizona | 15.2¢ | $45 | |
| Arkansas | 14.1¢ | $42 | |
| California | 34.7¢ | $104 | |
| Colorado | 17.1¢ | $51 | |
| Connecticut | 24.3¢ | $73 | |
| Delaware | 19.3¢ | $58 | |
| District of Columbia | 24.4¢ | $73 | |
| Florida | 15.1¢ | $45 | |
| Georgia | 16.4¢ | $49 | |
| Hawaiipriciest | 52.7¢ | $158 | |
| Idaho | 14.4¢ | $43 | |
| Illinois | 19.9¢ | $59 | |
| Indiana | 17.5¢ | $52 | |
| Iowa | 15.9¢ | $48 | |
| Kansas | 15.7¢ | $47 | |
| Kentucky | 14.3¢ | $43 | |
| Louisiana | 13.5¢ | $40 | |
| Maine | 29.6¢ | $88 | |
| Maryland | 21.8¢ | $65 | |
| Massachusetts | 29.6¢ | $89 | |
| Michigan | 23.0¢ | $69 | |
| Minnesota | 17.5¢ | $52 | |
| Mississippi | 14.9¢ | $44 | |
| Missouri | 16.2¢ | $48 | |
| Montana | 15.1¢ | $45 | |
| Nebraska | 13.3¢ | $40 | |
| Nevadacheapest | 13.1¢ | $39 | |
| New Hampshire | 27.0¢ | $81 | |
| New Jersey | 24.9¢ | $75 | |
| New Mexico | 15.1¢ | $45 | |
| New York | 29.5¢ | $88 | |
| North Carolina | 14.7¢ | $44 | |
| North Dakota | 14.1¢ | $42 | |
| Ohio | 19.2¢ | $57 | |
| Oklahoma | 14.3¢ | $43 | |
| Oregon | 16.3¢ | $49 | |
| Pennsylvania | 21.7¢ | $65 | |
| Rhode Island | 29.2¢ | $87 | |
| South Carolina | 15.6¢ | $46 | |
| South Dakota | 15.4¢ | $46 | |
| Tennessee | 14.1¢ | $42 | |
| Texas | 15.9¢ | $48 | |
| Utah | 13.4¢ | $40 | |
| Vermont | 24.4¢ | $73 | |
| Virginia | 17.2¢ | $51 | |
| Washington | 14.9¢ | $45 | |
| West Virginia | 15.4¢ | $46 | |
| Wisconsin | 19.6¢ | $58 | |
| Wyoming | 15.2¢ | $46 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Sharp AirMac X7 | 299 | $55 |
| Atmosphere Sky 120539 | 298 | $55 |
| Midea KJ500G-L1 | 297 | $54 |
| Noma 143-0033-2 | 297 | $54 |
| okaysou AirMac X7 | 297 | $54 |
| IQAir ATEM E | 295 | $54 |
Run your own numbers
Your rate, your numbers
- Per day
- 15¢
- Per month
- $4.57
- Per year
- $55
299 kWh/yr × 18.3¢/kWh = $55/yr
Prefilled with this model's certified 299 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 299 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 $4.57 a month at the U.S. average residential rate (18.3¢/kWh) — 15¢ a day, or $55 a year. Your state's rate moves this up or down; see the table above.
- Is the Midea KJ500G-L1 energy efficient?
- It uses 102% 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 $39 a year in Nevada (13.1¢/kWh) and $158 in Hawaii (52.7¢/kWh).