WattCost

Data through June 2026

Running cost · Freezers · ENERGY STAR certified

Midea MRU21C7B

Running around the clock, the Midea MRU21C7B uses a certified 502 kWh per year — about $92 at the U.S. average rate, or $7.67 a month, the equivalent of a steady 57-watt draw. Even among certified models it's on the thirsty end: 15% more electricity than the median upright freezer, ranked 377 of 451. Where you live moves the bill from $66 a year in Nevada to $265 in Hawaii.

Uses 6% less energy than the U.S. federal minimum

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

$92/yr

$25 · cheapest certified freezers$119 · priciest
Per month
$7.67
Per day
25¢
Certified use
502 kWh/yr
Configuration
Upright Freezer
Total capacity
20 cu ft
Defrost
Automatic
Compact
No
137 kWh649 kWh
Where the Midea MRU21C7B (▮) sits among all 594 certified freezers, by annual kWh

What it costs in every state

Midea MRU21C7B: 502 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$82
Alaska28.2¢$142
Arizona15.2¢$76
Arkansas14.1¢$71
California34.7¢$174
Colorado17.1¢$86
Connecticut24.3¢$122
Delaware19.3¢$97
District of Columbia24.4¢$122
Florida15.1¢$76
Georgia16.4¢$82
Hawaiipriciest52.7¢$265
Idaho14.4¢$72
Illinois19.9¢$100
Indiana17.5¢$88
Iowa15.9¢$80
Kansas15.7¢$79
Kentucky14.3¢$72
Louisiana13.5¢$68
Maine29.6¢$149
Maryland21.8¢$110
Massachusetts29.6¢$149
Michigan23.0¢$115
Minnesota17.5¢$88
Mississippi14.9¢$75
Missouri16.2¢$81
Montana15.1¢$76
Nebraska13.3¢$67
Nevadacheapest13.1¢$66
New Hampshire27.0¢$136
New Jersey24.9¢$125
New Mexico15.1¢$76
New York29.5¢$148
North Carolina14.7¢$74
North Dakota14.1¢$71
Ohio19.2¢$96
Oklahoma14.3¢$72
Oregon16.3¢$82
Pennsylvania21.7¢$109
Rhode Island29.2¢$147
South Carolina15.6¢$78
South Dakota15.4¢$77
Tennessee14.1¢$71
Texas15.9¢$80
Utah13.4¢$67
Vermont24.4¢$123
Virginia17.2¢$86
Washington14.9¢$75
West Virginia15.4¢$78
Wisconsin19.6¢$98
Wyoming15.2¢$77

Certified models closest in efficiency

upright freezers within reach of 502 kWh/yr
ModelkWh/yr$/yr (US avg)
Dacor DRZ24980500$92
GE FUF22DZR500$92
LG LO22SO000V500$92
Signature Kitchen Suite SKSCF2401500$92
SKS SKSCF2401500$92
Vissani VS217HSUPSS500$92

Run your own numbers

Your rate, your numbers

Per day
25¢
Per month
$7.67
Per year
$92

502 kWh/yr × 18.3¢/kWh = $92/yr

Prefilled with this model's certified 502 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures.

Questions, answered with the data

How much electricity does the Midea MRU21C7B use?
ENERGY STAR certifies the Midea MRU21C7B at 502 kWh per year. The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures.
How much does the Midea MRU21C7B cost to run per month?
About $7.67 a month at the U.S. average residential rate (18.3¢/kWh) — 25¢ a day, or $92 a year. Your state's rate moves this up or down; see the table above.
Is the Midea MRU21C7B energy efficient?
It uses 15% more electricity than the median certified upright freezer, which puts it among the least efficient certified models.
What does the Midea MRU21C7B cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $66 a year in Nevada (13.1¢/kWh) and $265 in Hawaii (52.7¢/kWh).
How many watts does the Midea MRU21C7B draw on average?
Spread over a year of continuous operation, 502 kWh works out to an average draw of about 57 watts — like leaving a 57-watt bulb on 24/7.

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