WattCost

Data through June 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 $124 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 345 of 439) — so the state you live in matters more than usual. The same unit costs $89 a year in Nevada but $357 in Hawaii — electricity rates, not the appliance, make the difference.

Uses 36% less energy than the U.S. federal minimum

Dimensions 13.9" H × 19.4" W × 22.2" D, 58 lb

Estimated annual running cost · U.S. average rate 18.3¢/kWh

$124/yr

$48 · cheapest certified room air conditioners$384 · priciest
Per month
$10.34
Per day
34¢
Certified use
677 kWh/yr
Cooling capacity
12,000 BTU/hr
CEER
13.3
Mounting
Straddles Window
Variable-speed compressor
Yes
260 kWh2,096 kWh
Where the Midea MAW12HV1CWT-A (▮) sits among all 439 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
Alabama16.4¢$111
Alaska28.2¢$191
Arizona15.2¢$103
Arkansas14.1¢$96
California34.7¢$235
Colorado17.1¢$116
Connecticut24.3¢$165
Delaware19.3¢$131
District of Columbia24.4¢$165
Florida15.1¢$102
Georgia16.4¢$111
Hawaiipriciest52.7¢$357
Idaho14.4¢$97
Illinois19.9¢$135
Indiana17.5¢$118
Iowa15.9¢$108
Kansas15.7¢$106
Kentucky14.3¢$96
Louisiana13.5¢$91
Maine29.6¢$200
Maryland21.8¢$148
Massachusetts29.6¢$200
Michigan23.0¢$156
Minnesota17.5¢$119
Mississippi14.9¢$101
Missouri16.2¢$110
Montana15.1¢$102
Nebraska13.3¢$90
Nevadacheapest13.1¢$89
New Hampshire27.0¢$183
New Jersey24.9¢$169
New Mexico15.1¢$102
New York29.5¢$200
North Carolina14.7¢$100
North Dakota14.1¢$96
Ohio19.2¢$130
Oklahoma14.3¢$97
Oregon16.3¢$110
Pennsylvania21.7¢$147
Rhode Island29.2¢$198
South Carolina15.6¢$105
South Dakota15.4¢$104
Tennessee14.1¢$95
Texas15.9¢$108
Utah13.4¢$90
Vermont24.4¢$165
Virginia17.2¢$117
Washington14.9¢$101
West Virginia15.4¢$105
Wisconsin19.6¢$132
Wyoming15.2¢$103

Certified models closest in efficiency

room air conditioners within reach of 677 kWh/yr
ModelkWh/yr$/yr (US avg)
Keystone KSTAW12INV-HC677$124
LUBECK 57H-ID0-B12HRFN8BCL0677$124
Midea MAW12HV1CWT677$124
Midea MWAUQB-12HRFN8-BCL0677$124
GE Profile AHTR14AC689$126
Friedrich KHVS12B33Amost efficient656$120

Run your own numbers

Your rate, your numbers

Per day
34¢
Per month
$10.35
Per year
$124

677 kWh/yr × 18.3¢/kWh = $124/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 $10.34 a month at the U.S. average residential rate (18.3¢/kWh) — 34¢ a day, or $124 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 $89 a year in Nevada (13.1¢/kWh) and $357 in Hawaii (52.7¢/kWh).

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