WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

COSMO COS-RFFV183RS�

The COSMO COS-RFFV183RS� never switches off, and its certified 512 kWh a year works out to about $94 on a U.S.-average electric bill — roughly $7.83 a month for an average continuous draw of 58 watts. Compared with the median certified bottom-freezer refrigerator, it uses 9% less electricity — rank 475 out of 1478. The same unit costs $67 a year in Nevada but $270 in Hawaii — electricity rates, not the appliance, make the difference.

Uses 15% less energy than the U.S. federal minimum

Dimensions 70.1" H × 29.9" W

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

$94/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$7.83
Per day
26¢
Certified use
512 kWh/yr
Configuration
Bottom Freezer
Total capacity
17.5 cu ft
Defrost
Automatic
Ice maker
Yes
Through-door dispenser
No
42 kWh805 kWh
Where the COSMO COS-RFFV183RS� (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

COSMO COS-RFFV183RS�: 512 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$84
Alaska28.2¢$144
Arizona15.2¢$78
Arkansas14.1¢$72
California34.7¢$178
Colorado17.1¢$88
Connecticut24.3¢$125
Delaware19.3¢$99
District of Columbia24.4¢$125
Florida15.1¢$77
Georgia16.4¢$84
Hawaiipriciest52.7¢$270
Idaho14.4¢$74
Illinois19.9¢$102
Indiana17.5¢$90
Iowa15.9¢$82
Kansas15.7¢$80
Kentucky14.3¢$73
Louisiana13.5¢$69
Maine29.6¢$152
Maryland21.8¢$112
Massachusetts29.6¢$152
Michigan23.0¢$118
Minnesota17.5¢$90
Mississippi14.9¢$76
Missouri16.2¢$83
Montana15.1¢$78
Nebraska13.3¢$68
Nevadacheapest13.1¢$67
New Hampshire27.0¢$138
New Jersey24.9¢$128
New Mexico15.1¢$77
New York29.5¢$151
North Carolina14.7¢$75
North Dakota14.1¢$72
Ohio19.2¢$98
Oklahoma14.3¢$73
Oregon16.3¢$84
Pennsylvania21.7¢$111
Rhode Island29.2¢$150
South Carolina15.6¢$80
South Dakota15.4¢$79
Tennessee14.1¢$72
Texas15.9¢$82
Utah13.4¢$68
Vermont24.4¢$125
Virginia17.2¢$88
Washington14.9¢$76
West Virginia15.4¢$79
Wisconsin19.6¢$100
Wyoming15.2¢$78

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 512 kWh/yr
ModelkWh/yr$/yr (US avg)
Conserv RF 1820 FD512$94
COSMO COS-RFFV183GHBK512$94
COSMO COS-RFFV183GHS512$94
COSMO COS-RFFV183RBK512$94
EUHOMY RF004-175ASI-CAEH512$94
EUHOMY RF004-175ASI-CAZX512$94

Run your own numbers

Your rate, your numbers

Per day
26¢
Per month
$7.83
Per year
$94

512 kWh/yr × 18.3¢/kWh = $94/yr

Prefilled with this model's certified 512 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 COSMO COS-RFFV183RS� use?
ENERGY STAR certifies the COSMO COS-RFFV183RS� at 512 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 COSMO COS-RFFV183RS� cost to run per month?
About $7.83 a month at the U.S. average residential rate (18.3¢/kWh) — 26¢ a day, or $94 a year. Your state's rate moves this up or down; see the table above.
Is the COSMO COS-RFFV183RS� energy efficient?
It uses 9% less electricity than the median certified bottom-freezer refrigerator, placing it in the efficient third of certified models.
What does the COSMO COS-RFFV183RS� cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $67 a year in Nevada (13.1¢/kWh) and $270 in Hawaii (52.7¢/kWh).
How many watts does the COSMO COS-RFFV183RS� draw on average?
Spread over a year of continuous operation, 512 kWh works out to an average draw of about 58 watts — like leaving a 58-watt bulb on 24/7.

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