WattCost

Data through June 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

Midea MAH09W1AGR

The Midea MAH09W1AGR is certified at 405 kWh per year (based on 750 standardized hours), roughly $74 at the national average — though seasonal use means your real bill lands in a few months, not twelve. Compared with the median certified room air conditioner, it uses 24% less electricity — rank 118 out of 439. The same unit costs $53 a year in Nevada but $213 in Hawaii — electricity rates, not the appliance, make the difference. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

Uses 80% less energy than the U.S. federal minimum

Dimensions 20.9" H × 25" W × 41.2" D, 129 lb

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

$74/yr

$48 · cheapest certified room air conditioners$384 · priciest
Per month
$6.19
Per day
20¢
Certified use
405 kWh/yr
Cooling capacity
9,500 BTU/hr
CEER
17.6
Mounting
Straddles Windowsill
Variable-speed compressor
Yes
260 kWh2,096 kWh
Where the Midea MAH09W1AGR (▮) sits among all 439 certified room air conditioners, by annual kWh

What it costs in every state

Midea MAH09W1AGR: 405 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$66
Alaska28.2¢$114
Arizona15.2¢$61
Arkansas14.1¢$57
California34.7¢$141
Colorado17.1¢$69
Connecticut24.3¢$98
Delaware19.3¢$78
District of Columbia24.4¢$99
Florida15.1¢$61
Georgia16.4¢$66
Hawaiipriciest52.7¢$213
Idaho14.4¢$58
Illinois19.9¢$81
Indiana17.5¢$71
Iowa15.9¢$64
Kansas15.7¢$64
Kentucky14.3¢$58
Louisiana13.5¢$55
Maine29.6¢$120
Maryland21.8¢$88
Massachusetts29.6¢$120
Michigan23.0¢$93
Minnesota17.5¢$71
Mississippi14.9¢$60
Missouri16.2¢$66
Montana15.1¢$61
Nebraska13.3¢$54
Nevadacheapest13.1¢$53
New Hampshire27.0¢$109
New Jersey24.9¢$101
New Mexico15.1¢$61
New York29.5¢$119
North Carolina14.7¢$60
North Dakota14.1¢$57
Ohio19.2¢$78
Oklahoma14.3¢$58
Oregon16.3¢$66
Pennsylvania21.7¢$88
Rhode Island29.2¢$118
South Carolina15.6¢$63
South Dakota15.4¢$62
Tennessee14.1¢$57
Texas15.9¢$65
Utah13.4¢$54
Vermont24.4¢$99
Virginia17.2¢$70
Washington14.9¢$60
West Virginia15.4¢$63
Wisconsin19.6¢$79
Wyoming15.2¢$62

Certified models closest in efficiency

room air conditioners within reach of 405 kWh/yr
ModelkWh/yr$/yr (US avg)
Midea MAH09B1AGRmost efficient405$74
Midea MAH09H1AGRmost efficient405$74
Midea MAH09N1AGRmost efficient405$74
Midea MAH09S1AGRmost efficient405$74
Midea MWCUPWHP-09HEFN8-BCL1most efficient405$74
Midea MWCUPWHP-09HEFN8-BCL1Nmost efficient405$74

Run your own numbers

Your rate, your numbers

Per day
20¢
Per month
$6.19
Per year
$74

405 kWh/yr × 18.3¢/kWh = $74/yr

Prefilled with this model's certified 405 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 MAH09W1AGR use?
ENERGY STAR certifies the Midea MAH09W1AGR at 405 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 MAH09W1AGR cost to run per month?
About $6.19 a month at the U.S. average residential rate (18.3¢/kWh) — 20¢ a day, or $74 a year. Your state's rate moves this up or down; see the table above.
Is the Midea MAH09W1AGR energy efficient?
It uses 24% less electricity than the median certified room air conditioner, placing it in the efficient third of certified models. It also meets ENERGY STAR's Most Efficient criteria.
What does the Midea MAH09W1AGR cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $53 a year in Nevada (13.1¢/kWh) and $213 in Hawaii (52.7¢/kWh).

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