WattCost

Data through April 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 $64 on a U.S.-average electric bill — roughly $5.30 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 1432 of 1589. The same unit costs $42 a year in North Dakota but $158 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 18.8¢/kWh

$64/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$5.30
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 4,229 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
Alabama17.4¢$59
Alaska27.4¢$92
Arizona15.5¢$52
Arkansas14.2¢$48
California35.3¢$119
Colorado16.5¢$56
Connecticut32.2¢$109
Delaware18.8¢$64
District of Columbia25.4¢$86
Florida15.4¢$52
Georgia15.4¢$52
Hawaiipriciest46.6¢$158
Idaho12.7¢$43
Illinois20.5¢$69
Indiana17.9¢$61
Iowa13.9¢$47
Kansas15.8¢$53
Kentucky15.0¢$51
Louisiana14.4¢$49
Maine28.4¢$96
Maryland22.1¢$75
Massachusetts29.4¢$100
Michigan21.4¢$72
Minnesota16.4¢$55
Mississippi16.8¢$57
Missouri14.0¢$47
Montana13.9¢$47
Nebraska13.3¢$45
Nevada14.3¢$48
New Hampshire27.2¢$92
New Jersey23.5¢$80
New Mexico15.2¢$51
New York29.4¢$100
North Carolina16.3¢$55
North Dakotacheapest12.3¢$42
Ohio19.5¢$66
Oklahoma13.3¢$45
Oregon15.8¢$53
Pennsylvania21.5¢$73
Rhode Island28.3¢$96
South Carolina17.1¢$58
South Dakota14.5¢$49
Tennessee14.9¢$50
Texas17.0¢$57
Utah13.3¢$45
Vermont24.6¢$83
Virginia17.4¢$59
Washington14.4¢$49
West Virginia16.1¢$54
Wisconsin19.2¢$65
Wyoming14.7¢$50

Certified models closest in efficiency

compact refrigerators within reach of 338 kWh/yr
ModelkWh/yr$/yr (US avg)
ARCTIC CHEF ACFR551338$64
Avanti RMS551SS338$64
Frigidaire EFR551338$64
Magic Cool MC552SS338$64
Frestec FR 742 BX336$63
Hisense HRC060BVE335$63

Run your own numbers

Your rate, your numbers

Per day
17¢
Per month
$5.30
Per year
$64

338 kWh/yr × 18.8¢/kWh = $64/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 $5.30 a month at the U.S. average residential rate (18.8¢/kWh) — 17¢ a day, or $64 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 $42 a year in North Dakota (12.3¢/kWh) and $158 in Hawaii (46.6¢/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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