WattCost

Data through April 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

Midea MAT10R1SWTK

Under the DOE test basis of 750 hours a year, the Midea MAT10R1SWTK draws 532 kWh — about $100 at the U.S. average rate, concentrated in the months you actually run it. Efficiency-wise it's unremarkable in a good way: within 0% of the median certified room air conditioner (rank 194 of 396). Where you live moves the bill from $66 a year in North Dakota to $248 in Hawaii. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

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

$100/yr

$52 · cheapest certified room air conditioners$395 · priciest
Per month
$8.35
Per day
27¢
Certified use
532 kWh/yr
Cooling capacity
10,000 BTU/hr
CEER
14.1
Mounting
Does Not Straddle Window or Windowsill
Variable-speed compressor
Yes
274 kWh2,096 kWh
Where the Midea MAT10R1SWTK (▮) sits among all 396 certified room air conditioners, by annual kWh

What it costs in every state

Midea MAT10R1SWTK: 532 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$93
Alaska27.4¢$145
Arizona15.5¢$82
Arkansas14.2¢$75
California35.3¢$187
Colorado16.5¢$88
Connecticut32.2¢$171
Delaware18.8¢$100
District of Columbia25.4¢$135
Florida15.4¢$82
Georgia15.4¢$82
Hawaiipriciest46.6¢$248
Idaho12.7¢$68
Illinois20.5¢$109
Indiana17.9¢$95
Iowa13.9¢$74
Kansas15.8¢$84
Kentucky15.0¢$80
Louisiana14.4¢$77
Maine28.4¢$151
Maryland22.1¢$117
Massachusetts29.4¢$157
Michigan21.4¢$114
Minnesota16.4¢$87
Mississippi16.8¢$89
Missouri14.0¢$75
Montana13.9¢$74
Nebraska13.3¢$71
Nevada14.3¢$76
New Hampshire27.2¢$145
New Jersey23.5¢$125
New Mexico15.2¢$81
New York29.4¢$157
North Carolina16.3¢$86
North Dakotacheapest12.3¢$66
Ohio19.5¢$104
Oklahoma13.3¢$71
Oregon15.8¢$84
Pennsylvania21.5¢$114
Rhode Island28.3¢$151
South Carolina17.1¢$91
South Dakota14.5¢$77
Tennessee14.9¢$79
Texas17.0¢$90
Utah13.3¢$71
Vermont24.6¢$131
Virginia17.4¢$92
Washington14.4¢$76
West Virginia16.1¢$85
Wisconsin19.2¢$102
Wyoming14.7¢$78

Certified models closest in efficiency

room air conditioners within reach of 532 kWh/yr
ModelkWh/yr$/yr (US avg)
Midea MAT10R1FWTKmost efficient532$100
Midea MAT10R2FWTKmost efficient532$100
Midea MAT10R2SWTKmost efficient532$100
Midea MWEUTW-10CRFN8-BCN1most efficient532$100
Midea MWEUTW-10CRFN8-MCN1most efficient532$100
Seasons ST10VB1most efficient532$100

Run your own numbers

Your rate, your numbers

Per day
27¢
Per month
$8.35
Per year
$100

532 kWh/yr × 18.8¢/kWh = $100/yr

Prefilled with this model's certified 532 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 MAT10R1SWTK use?
ENERGY STAR certifies the Midea MAT10R1SWTK at 532 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 MAT10R1SWTK cost to run per month?
About $8.35 a month at the U.S. average residential rate (18.8¢/kWh) — 27¢ a day, or $100 a year. Your state's rate moves this up or down; see the table above.
Is the Midea MAT10R1SWTK energy efficient?
It uses 0% less electricity than the median certified room air conditioner. It also meets ENERGY STAR's Most Efficient criteria.
What does the Midea MAT10R1SWTK cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $66 a year in North Dakota (12.3¢/kWh) and $248 in Hawaii (46.6¢/kWh).

Keep digging