WattCost

Data through June 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

Midea MAW12V1KYWT-S

Under the DOE test basis of 750 hours a year, the Midea MAW12V1KYWT-S draws 563 kWh — about $103 at the U.S. average rate, concentrated in the months you actually run it. Efficiency-wise it's unremarkable in a good way: within 6% of the median certified room air conditioner (rank 228 of 439). Where you live moves the bill from $74 a year in Nevada to $297 in Hawaii. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

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

Dimensions 13.5" H × 19.2" W × 22" D, 58.4 lb

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

$103/yr

$48 · cheapest certified room air conditioners$384 · priciest
Per month
$8.60
Per day
28¢
Certified use
563 kWh/yr
Cooling capacity
12,000 BTU/hr
CEER
16
Mounting
Straddles Window
Variable-speed compressor
Yes
260 kWh2,096 kWh
Where the Midea MAW12V1KYWT-S (▮) sits among all 439 certified room air conditioners, by annual kWh

What it costs in every state

Midea MAW12V1KYWT-S: 563 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$92
Alaska28.2¢$159
Arizona15.2¢$85
Arkansas14.1¢$79
California34.7¢$195
Colorado17.1¢$96
Connecticut24.3¢$137
Delaware19.3¢$109
District of Columbia24.4¢$137
Florida15.1¢$85
Georgia16.4¢$92
Hawaiipriciest52.7¢$297
Idaho14.4¢$81
Illinois19.9¢$112
Indiana17.5¢$98
Iowa15.9¢$90
Kansas15.7¢$88
Kentucky14.3¢$80
Louisiana13.5¢$76
Maine29.6¢$166
Maryland21.8¢$123
Massachusetts29.6¢$167
Michigan23.0¢$129
Minnesota17.5¢$99
Mississippi14.9¢$84
Missouri16.2¢$91
Montana15.1¢$85
Nebraska13.3¢$75
Nevadacheapest13.1¢$74
New Hampshire27.0¢$152
New Jersey24.9¢$140
New Mexico15.1¢$85
New York29.5¢$166
North Carolina14.7¢$83
North Dakota14.1¢$79
Ohio19.2¢$108
Oklahoma14.3¢$81
Oregon16.3¢$92
Pennsylvania21.7¢$122
Rhode Island29.2¢$164
South Carolina15.6¢$87
South Dakota15.4¢$86
Tennessee14.1¢$79
Texas15.9¢$90
Utah13.4¢$75
Vermont24.4¢$137
Virginia17.2¢$97
Washington14.9¢$84
West Virginia15.4¢$87
Wisconsin19.6¢$110
Wyoming15.2¢$86

Certified models closest in efficiency

room air conditioners within reach of 563 kWh/yr
ModelkWh/yr$/yr (US avg)
Brothers 102073most efficient563$103
Midea MAW12U1KWTmost efficient563$103
Midea MAW12U1KWT-Amost efficient563$103
Midea MAW12V1WBKmost efficient563$103
Midea MAW12V1WBK-Tmost efficient563$103
Midea MAW12V1WWTmost efficient563$103

Run your own numbers

Your rate, your numbers

Per day
28¢
Per month
$8.60
Per year
$103

563 kWh/yr × 18.3¢/kWh = $103/yr

Prefilled with this model's certified 563 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 MAW12V1KYWT-S use?
ENERGY STAR certifies the Midea MAW12V1KYWT-S at 563 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 MAW12V1KYWT-S cost to run per month?
About $8.60 a month at the U.S. average residential rate (18.3¢/kWh) — 28¢ a day, or $103 a year. Your state's rate moves this up or down; see the table above.
Is the Midea MAW12V1KYWT-S energy efficient?
It uses 6% more electricity than the median certified room air conditioner. It also meets ENERGY STAR's Most Efficient criteria.
What does the Midea MAW12V1KYWT-S cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $74 a year in Nevada (13.1¢/kWh) and $297 in Hawaii (52.7¢/kWh).

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