WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

Ca’Lefort CLF-WS428

Running around the clock, the Ca’Lefort CLF-WS428 uses a certified 235 kWh per year — about $44 at the U.S. average rate, or $3.69 a month, the equivalent of a steady 27-watt draw. Even among certified models it's on the thirsty end: 33% more electricity than the median cooler refrigerator, ranked 40 of 48. The same unit costs $29 a year in North Dakota but $110 in Hawaii — electricity rates, not the appliance, make the difference.

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

$44/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$3.69
Per day
12¢
Certified use
235 kWh/yr
Configuration
Cooler
Total capacity
15 cu ft
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the Ca’Lefort CLF-WS428 (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

Ca’Lefort CLF-WS428: 235 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$41
Alaska27.4¢$64
Arizona15.5¢$36
Arkansas14.2¢$33
California35.3¢$83
Colorado16.5¢$39
Connecticut32.2¢$76
Delaware18.8¢$44
District of Columbia25.4¢$60
Florida15.4¢$36
Georgia15.4¢$36
Hawaiipriciest46.6¢$110
Idaho12.7¢$30
Illinois20.5¢$48
Indiana17.9¢$42
Iowa13.9¢$33
Kansas15.8¢$37
Kentucky15.0¢$35
Louisiana14.4¢$34
Maine28.4¢$67
Maryland22.1¢$52
Massachusetts29.4¢$69
Michigan21.4¢$50
Minnesota16.4¢$39
Mississippi16.8¢$39
Missouri14.0¢$33
Montana13.9¢$33
Nebraska13.3¢$31
Nevada14.3¢$34
New Hampshire27.2¢$64
New Jersey23.5¢$55
New Mexico15.2¢$36
New York29.4¢$69
North Carolina16.3¢$38
North Dakotacheapest12.3¢$29
Ohio19.5¢$46
Oklahoma13.3¢$31
Oregon15.8¢$37
Pennsylvania21.5¢$50
Rhode Island28.3¢$67
South Carolina17.1¢$40
South Dakota14.5¢$34
Tennessee14.9¢$35
Texas17.0¢$40
Utah13.3¢$31
Vermont24.6¢$58
Virginia17.4¢$41
Washington14.4¢$34
West Virginia16.1¢$38
Wisconsin19.2¢$45
Wyoming14.7¢$34

Certified models closest in efficiency

cooler refrigerators within reach of 235 kWh/yr
ModelkWh/yr$/yr (US avg)
Ca’Lefort CLF-WD428235$44
Yeego YG-WD428235$44
Yeego YG-WS428235$44
XO XOU2470WGS238$45
Zephyr PRW24F02CG241$45
Zephyr PRW24F02CPG241$45

Run your own numbers

Your rate, your numbers

Per day
12¢
Per month
$3.69
Per year
$44

235 kWh/yr × 18.8¢/kWh = $44/yr

Prefilled with this model's certified 235 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 Ca’Lefort CLF-WS428 use?
ENERGY STAR certifies the Ca’Lefort CLF-WS428 at 235 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 Ca’Lefort CLF-WS428 cost to run per month?
About $3.69 a month at the U.S. average residential rate (18.8¢/kWh) — 12¢ a day, or $44 a year. Your state's rate moves this up or down; see the table above.
Is the Ca’Lefort CLF-WS428 energy efficient?
It uses 33% more electricity than the median certified cooler refrigerator, which puts it among the least efficient certified models.
What does the Ca’Lefort CLF-WS428 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $29 a year in North Dakota (12.3¢/kWh) and $110 in Hawaii (46.6¢/kWh).
How many watts does the Ca’Lefort CLF-WS428 draw on average?
Spread over a year of continuous operation, 235 kWh works out to an average draw of about 27 watts — like leaving a 27-watt bulb on 24/7.

Keep digging