WattCost

Data through June 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

Midea MAW12HV1KWT-A

Under the DOE test basis of 750 hours a year, the Midea MAW12HV1KWT-A draws 625 kWh — about $115 at the U.S. average rate, concentrated in the months you actually run it. Efficiency-wise it's unremarkable in a good way: within 18% of the median certified room air conditioner (rank 317 of 439). The same unit costs $82 a year in Nevada but $330 in Hawaii — electricity rates, not the appliance, make the difference. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

Uses 47% less energy than the U.S. federal minimum

Dimensions 13.9" H × 19.4" W × 22.2" D, 59.5 lb

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

$115/yr

$48 · cheapest certified room air conditioners$384 · priciest
Per month
$9.55
Per day
31¢
Certified use
625 kWh/yr
Cooling capacity
12,000 BTU/hr
CEER
14.4
Mounting
Does Not Straddle Window or Windowsill
Variable-speed compressor
Yes
260 kWh2,096 kWh
Where the Midea MAW12HV1KWT-A (▮) sits among all 439 certified room air conditioners, by annual kWh

What it costs in every state

Midea MAW12HV1KWT-A: 625 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$103
Alaska28.2¢$176
Arizona15.2¢$95
Arkansas14.1¢$88
California34.7¢$217
Colorado17.1¢$107
Connecticut24.3¢$152
Delaware19.3¢$121
District of Columbia24.4¢$152
Florida15.1¢$94
Georgia16.4¢$102
Hawaiipriciest52.7¢$330
Idaho14.4¢$90
Illinois19.9¢$124
Indiana17.5¢$109
Iowa15.9¢$100
Kansas15.7¢$98
Kentucky14.3¢$89
Louisiana13.5¢$84
Maine29.6¢$185
Maryland21.8¢$137
Massachusetts29.6¢$185
Michigan23.0¢$144
Minnesota17.5¢$110
Mississippi14.9¢$93
Missouri16.2¢$101
Montana15.1¢$95
Nebraska13.3¢$83
Nevadacheapest13.1¢$82
New Hampshire27.0¢$169
New Jersey24.9¢$156
New Mexico15.1¢$94
New York29.5¢$184
North Carolina14.7¢$92
North Dakota14.1¢$88
Ohio19.2¢$120
Oklahoma14.3¢$90
Oregon16.3¢$102
Pennsylvania21.7¢$136
Rhode Island29.2¢$183
South Carolina15.6¢$97
South Dakota15.4¢$96
Tennessee14.1¢$88
Texas15.9¢$100
Utah13.4¢$84
Vermont24.4¢$153
Virginia17.2¢$108
Washington14.9¢$93
West Virginia15.4¢$97
Wisconsin19.6¢$122
Wyoming15.2¢$95

Certified models closest in efficiency

room air conditioners within reach of 625 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich KCVS12B10A625$115
GE Appliances AWGP12W625$115
Midea MWAUQB-12HRFN8-BCN4most efficient625$115
GE Profile PHNT12CCH1622$114
Friedrich WCVT10B10A635$116
Friedrich KCVS12B30A635$116

Run your own numbers

Your rate, your numbers

Per day
31¢
Per month
$9.55
Per year
$115

625 kWh/yr × 18.3¢/kWh = $115/yr

Prefilled with this model's certified 625 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 MAW12HV1KWT-A use?
ENERGY STAR certifies the Midea MAW12HV1KWT-A at 625 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 MAW12HV1KWT-A cost to run per month?
About $9.55 a month at the U.S. average residential rate (18.3¢/kWh) — 31¢ a day, or $115 a year. Your state's rate moves this up or down; see the table above.
Is the Midea MAW12HV1KWT-A energy efficient?
It uses 18% more electricity than the median certified room air conditioner. It also meets ENERGY STAR's Most Efficient criteria.
What does the Midea MAW12HV1KWT-A cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $82 a year in Nevada (13.1¢/kWh) and $330 in Hawaii (52.7¢/kWh).

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