WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

mbm MRF7B

Running around the clock, the mbm MRF7B uses a certified 332 kWh per year — about $63 at the U.S. average rate, or $5.21 a month, the equivalent of a steady 38-watt draw. It sits near the bottom of the certified table — using 35% more than the median compact refrigerator (rank 1419 of 1589) — so the state you live in matters more than usual. Where you live moves the bill from $41 a year in North Dakota to $155 in Hawaii.

Uses 14% less energy than the U.S. federal minimum

Dimensions 21.3" H × 22.4" W

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

$63/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$5.21
Per day
17¢
Certified use
332 kWh/yr
Configuration
Compact Refrigerator
Total capacity
7.4 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the mbm MRF7B (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

mbm MRF7B: 332 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$58
Alaska27.4¢$91
Arizona15.5¢$51
Arkansas14.2¢$47
California35.3¢$117
Colorado16.5¢$55
Connecticut32.2¢$107
Delaware18.8¢$62
District of Columbia25.4¢$84
Florida15.4¢$51
Georgia15.4¢$51
Hawaiipriciest46.6¢$155
Idaho12.7¢$42
Illinois20.5¢$68
Indiana17.9¢$59
Iowa13.9¢$46
Kansas15.8¢$52
Kentucky15.0¢$50
Louisiana14.4¢$48
Maine28.4¢$94
Maryland22.1¢$73
Massachusetts29.4¢$98
Michigan21.4¢$71
Minnesota16.4¢$54
Mississippi16.8¢$56
Missouri14.0¢$47
Montana13.9¢$46
Nebraska13.3¢$44
Nevada14.3¢$47
New Hampshire27.2¢$90
New Jersey23.5¢$78
New Mexico15.2¢$50
New York29.4¢$98
North Carolina16.3¢$54
North Dakotacheapest12.3¢$41
Ohio19.5¢$65
Oklahoma13.3¢$44
Oregon15.8¢$52
Pennsylvania21.5¢$71
Rhode Island28.3¢$94
South Carolina17.1¢$57
South Dakota14.5¢$48
Tennessee14.9¢$50
Texas17.0¢$56
Utah13.3¢$44
Vermont24.6¢$82
Virginia17.4¢$58
Washington14.4¢$48
West Virginia16.1¢$53
Wisconsin19.2¢$64
Wyoming14.7¢$49

Certified models closest in efficiency

compact refrigerators within reach of 332 kWh/yr
ModelkWh/yr$/yr (US avg)
mbm MRF7S332$63
mbm MRF7W332$63
Arctic King ARB47B5333$63
Danby DCR047A1331$62
Vissani MDBF5333$63
Galanz GLR46B**E04330$62

Run your own numbers

Your rate, your numbers

Per day
17¢
Per month
$5.21
Per year
$63

332 kWh/yr × 18.8¢/kWh = $63/yr

Prefilled with this model's certified 332 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 — refrigerators never get a day off.

Questions, answered with the data

How much electricity does the mbm MRF7B use?
ENERGY STAR certifies the mbm MRF7B at 332 kWh per year. The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures — refrigerators never get a day off.
How much does the mbm MRF7B cost to run per month?
About $5.21 a month at the U.S. average residential rate (18.8¢/kWh) — 17¢ a day, or $63 a year. Your state's rate moves this up or down; see the table above.
Is the mbm MRF7B energy efficient?
It uses 35% more electricity than the median certified compact refrigerator, which puts it among the least efficient certified models.
What does the mbm MRF7B cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $41 a year in North Dakota (12.3¢/kWh) and $155 in Hawaii (46.6¢/kWh).
How many watts does the mbm MRF7B draw on average?
Spread over a year of continuous operation, 332 kWh works out to an average draw of about 38 watts — like leaving a 38-watt bulb on 24/7.

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