Data through April 2026
Running cost · Room Air Conditioners · ENERGY STAR certified
Midea MAW18RV1CWT
Under the DOE test basis of 750 hours a year, the Midea MAW18RV1CWT draws 900 kWh — about $169 at the U.S. average rate, concentrated in the months you actually run it. It sits near the bottom of the certified table — using 69% more than the median room air conditioner (rank 351 of 396) — so the state you live in matters more than usual. Where you live moves the bill from $111 a year in North Dakota to $420 in Hawaii.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$169/yr
- Per month
- $14.12
- Per day
- 46¢
- Certified use
- 900 kWh/yr
- Cooling capacity
- 18,000 BTU/hr
- CEER
- 15
- Mounting
- Does Not Straddle Window or Windowsill
- Variable-speed compressor
- Yes
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $157 | |
| Alaska | 27.4¢ | $246 | |
| Arizona | 15.5¢ | $139 | |
| Arkansas | 14.2¢ | $127 | |
| California | 35.3¢ | $317 | |
| Colorado | 16.5¢ | $149 | |
| Connecticut | 32.2¢ | $290 | |
| Delaware | 18.8¢ | $169 | |
| District of Columbia | 25.4¢ | $229 | |
| Florida | 15.4¢ | $138 | |
| Georgia | 15.4¢ | $138 | |
| Hawaiipriciest | 46.6¢ | $420 | |
| Idaho | 12.7¢ | $114 | |
| Illinois | 20.5¢ | $184 | |
| Indiana | 17.9¢ | $161 | |
| Iowa | 13.9¢ | $125 | |
| Kansas | 15.8¢ | $142 | |
| Kentucky | 15.0¢ | $135 | |
| Louisiana | 14.4¢ | $130 | |
| Maine | 28.4¢ | $256 | |
| Maryland | 22.1¢ | $199 | |
| Massachusetts | 29.4¢ | $265 | |
| Michigan | 21.4¢ | $193 | |
| Minnesota | 16.4¢ | $148 | |
| Mississippi | 16.8¢ | $151 | |
| Missouri | 14.0¢ | $126 | |
| Montana | 13.9¢ | $125 | |
| Nebraska | 13.3¢ | $120 | |
| Nevada | 14.3¢ | $129 | |
| New Hampshire | 27.2¢ | $245 | |
| New Jersey | 23.5¢ | $212 | |
| New Mexico | 15.2¢ | $136 | |
| New York | 29.4¢ | $265 | |
| North Carolina | 16.3¢ | $146 | |
| North Dakotacheapest | 12.3¢ | $111 | |
| Ohio | 19.5¢ | $175 | |
| Oklahoma | 13.3¢ | $120 | |
| Oregon | 15.8¢ | $142 | |
| Pennsylvania | 21.5¢ | $193 | |
| Rhode Island | 28.3¢ | $255 | |
| South Carolina | 17.1¢ | $154 | |
| South Dakota | 14.5¢ | $131 | |
| Tennessee | 14.9¢ | $134 | |
| Texas | 17.0¢ | $153 | |
| Utah | 13.3¢ | $120 | |
| Vermont | 24.6¢ | $221 | |
| Virginia | 17.4¢ | $156 | |
| Washington | 14.4¢ | $129 | |
| West Virginia | 16.1¢ | $145 | |
| Wisconsin | 19.2¢ | $173 | |
| Wyoming | 14.7¢ | $132 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Frigidaire FHWW185WE2 | 900 | $169 |
| Hisense AW1823TW3W | 900 | $169 |
| Keplerx KBRC18RSVE2 | 900 | $169 |
| Keystone KSTAW182WA | 900 | $169 |
| Midea MAW18R2VWT | 900 | $169 |
| Midea MAW18S2VWT-A | 900 | $169 |
Run your own numbers
Your rate, your numbers
- Per day
- 46¢
- Per month
- $14.12
- Per year
- $169
900 kWh/yr × 18.8¢/kWh = $169/yr
Prefilled with this model's certified 900 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh assumes 750 cooling hours per year (the DOE standard). In hot climates real usage can run well above that; in mild ones, below.
Questions, answered with the data
- How much electricity does the Midea MAW18RV1CWT use?
- ENERGY STAR certifies the Midea MAW18RV1CWT at 900 kWh per year. The certified annual kWh assumes 750 cooling hours per year (the DOE standard). In hot climates real usage can run well above that; in mild ones, below.
- How much does the Midea MAW18RV1CWT cost to run per month?
- About $14.12 a month at the U.S. average residential rate (18.8¢/kWh) — 46¢ a day, or $169 a year. Your state's rate moves this up or down; see the table above.
- Is the Midea MAW18RV1CWT energy efficient?
- It uses 69% more electricity than the median certified room air conditioner, which puts it among the least efficient certified models.
- What does the Midea MAW18RV1CWT cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $111 a year in North Dakota (12.3¢/kWh) and $420 in Hawaii (46.6¢/kWh).