WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

KOOLMORE KM-UCFDRF-B30

The KOOLMORE KM-UCFDRF-B30 never switches off, and its certified 338 kWh a year works out to about $62 on a U.S.-average electric bill — roughly $5.17 a month for an average continuous draw of 39 watts. Even among certified models it's on the thirsty end: 37% more electricity than the median compact refrigerator, ranked 1482 of 1645. The same unit costs $44 a year in Nevada but $178 in Hawaii — electricity rates, not the appliance, make the difference.

Uses 11% less energy than the U.S. federal minimum

Dimensions 33.5" H × 30.9" W

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

$62/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$5.17
Per day
17¢
Certified use
338 kWh/yr
Configuration
Compact Refrigerator
Total capacity
5.5 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the KOOLMORE KM-UCFDRF-B30 (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

KOOLMORE KM-UCFDRF-B30: 338 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$55
Alaska28.2¢$95
Arizona15.2¢$51
Arkansas14.1¢$48
California34.7¢$117
Colorado17.1¢$58
Connecticut24.3¢$82
Delaware19.3¢$65
District of Columbia24.4¢$82
Florida15.1¢$51
Georgia16.4¢$55
Hawaiipriciest52.7¢$178
Idaho14.4¢$49
Illinois19.9¢$67
Indiana17.5¢$59
Iowa15.9¢$54
Kansas15.7¢$53
Kentucky14.3¢$48
Louisiana13.5¢$46
Maine29.6¢$100
Maryland21.8¢$74
Massachusetts29.6¢$100
Michigan23.0¢$78
Minnesota17.5¢$59
Mississippi14.9¢$50
Missouri16.2¢$55
Montana15.1¢$51
Nebraska13.3¢$45
Nevadacheapest13.1¢$44
New Hampshire27.0¢$91
New Jersey24.9¢$84
New Mexico15.1¢$51
New York29.5¢$100
North Carolina14.7¢$50
North Dakota14.1¢$48
Ohio19.2¢$65
Oklahoma14.3¢$48
Oregon16.3¢$55
Pennsylvania21.7¢$73
Rhode Island29.2¢$99
South Carolina15.6¢$53
South Dakota15.4¢$52
Tennessee14.1¢$48
Texas15.9¢$54
Utah13.4¢$45
Vermont24.4¢$83
Virginia17.2¢$58
Washington14.9¢$50
West Virginia15.4¢$52
Wisconsin19.6¢$66
Wyoming15.2¢$52

Certified models closest in efficiency

compact refrigerators within reach of 338 kWh/yr
ModelkWh/yr$/yr (US avg)
ARCTIC CHEF ACFR551338$62
Avanti RMS551SS338$62
Frigidaire EFR551338$62
Magic Cool MC552SS338$62
Frestec FR 742 BX336$62
Hisense HRC060BVE335$61

Run your own numbers

Your rate, your numbers

Per day
17¢
Per month
$5.17
Per year
$62

338 kWh/yr × 18.3¢/kWh = $62/yr

Prefilled with this model's certified 338 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 KOOLMORE KM-UCFDRF-B30 use?
ENERGY STAR certifies the KOOLMORE KM-UCFDRF-B30 at 338 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 KOOLMORE KM-UCFDRF-B30 cost to run per month?
About $5.17 a month at the U.S. average residential rate (18.3¢/kWh) — 17¢ a day, or $62 a year. Your state's rate moves this up or down; see the table above.
Is the KOOLMORE KM-UCFDRF-B30 energy efficient?
It uses 37% more electricity than the median certified compact refrigerator, which puts it among the least efficient certified models.
What does the KOOLMORE KM-UCFDRF-B30 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $44 a year in Nevada (13.1¢/kWh) and $178 in Hawaii (52.7¢/kWh).
How many watts does the KOOLMORE KM-UCFDRF-B30 draw on average?
Spread over a year of continuous operation, 338 kWh works out to an average draw of about 39 watts — like leaving a 39-watt bulb on 24/7.

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