WattCost

Data through April 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

Midea MAW12HV1CWT-A

Under the DOE test basis of 750 hours a year, the Midea MAW12HV1CWT-A draws 677 kWh — about $127 at the U.S. average rate, concentrated in the months you actually run it. It sits near the bottom of the certified table — using 27% more than the median room air conditioner (rank 308 of 396) — so the state you live in matters more than usual. The same unit costs $84 a year in North Dakota but $315 in Hawaii — electricity rates, not the appliance, make the difference.

Estimated annual running cost · U.S. average rate 18.8¢/kWh

$127/yr

$52 · cheapest certified room air conditioners$395 · priciest
Per month
$10.62
Per day
35¢
Certified use
677 kWh/yr
Cooling capacity
12,000 BTU/hr
CEER
13.3
Mounting
Straddles Window
Variable-speed compressor
Yes
274 kWh2,096 kWh
Where the Midea MAW12HV1CWT-A (▮) sits among all 396 certified room air conditioners, by annual kWh

What it costs in every state

Midea MAW12HV1CWT-A: 677 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$118
Alaska27.4¢$185
Arizona15.5¢$105
Arkansas14.2¢$96
California35.3¢$239
Colorado16.5¢$112
Connecticut32.2¢$218
Delaware18.8¢$127
District of Columbia25.4¢$172
Florida15.4¢$104
Georgia15.4¢$104
Hawaiipriciest46.6¢$315
Idaho12.7¢$86
Illinois20.5¢$139
Indiana17.9¢$121
Iowa13.9¢$94
Kansas15.8¢$107
Kentucky15.0¢$102
Louisiana14.4¢$98
Maine28.4¢$192
Maryland22.1¢$149
Massachusetts29.4¢$199
Michigan21.4¢$145
Minnesota16.4¢$111
Mississippi16.8¢$113
Missouri14.0¢$95
Montana13.9¢$94
Nebraska13.3¢$90
Nevada14.3¢$97
New Hampshire27.2¢$184
New Jersey23.5¢$159
New Mexico15.2¢$103
New York29.4¢$199
North Carolina16.3¢$110
North Dakotacheapest12.3¢$84
Ohio19.5¢$132
Oklahoma13.3¢$90
Oregon15.8¢$107
Pennsylvania21.5¢$145
Rhode Island28.3¢$192
South Carolina17.1¢$115
South Dakota14.5¢$98
Tennessee14.9¢$101
Texas17.0¢$115
Utah13.3¢$90
Vermont24.6¢$166
Virginia17.4¢$118
Washington14.4¢$97
West Virginia16.1¢$109
Wisconsin19.2¢$130
Wyoming14.7¢$99

Certified models closest in efficiency

room air conditioners within reach of 677 kWh/yr
ModelkWh/yr$/yr (US avg)
Keystone KSTAW12INV-HC677$127
LUBECK 57H-ID0-B12HRFN8BCL0677$127
Midea MAW12HV1CWT677$127
Midea MWAUQB-12HRFN8-BCL0677$127
GE Profile AHTR14AC689$130
Friedrich KHVS12B33Amost efficient656$124

Run your own numbers

Your rate, your numbers

Per day
35¢
Per month
$10.62
Per year
$127

677 kWh/yr × 18.8¢/kWh = $127/yr

Prefilled with this model's certified 677 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 MAW12HV1CWT-A use?
ENERGY STAR certifies the Midea MAW12HV1CWT-A at 677 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 MAW12HV1CWT-A cost to run per month?
About $10.62 a month at the U.S. average residential rate (18.8¢/kWh) — 35¢ a day, or $127 a year. Your state's rate moves this up or down; see the table above.
Is the Midea MAW12HV1CWT-A energy efficient?
It uses 27% more electricity than the median certified room air conditioner, which puts it among the least efficient certified models.
What does the Midea MAW12HV1CWT-A cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $84 a year in North Dakota (12.3¢/kWh) and $315 in Hawaii (46.6¢/kWh).

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