WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

Sub-Zero DEU2450B

Running around the clock, the Sub-Zero DEU2450B uses a certified 243 kWh per year — about $45 at the U.S. average rate, or $3.71 a month, the equivalent of a steady 28-watt draw. That's close to the middle of the certified pack — about 1% under the median compact refrigerator, ranked 745 of 1645. The same unit costs $32 a year in Nevada but $128 in Hawaii — electricity rates, not the appliance, make the difference.

Uses 22% less energy than the U.S. federal minimum

Dimensions 34" H × 24" W

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

$45/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$3.71
Per day
12¢
Certified use
243 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 Sub-Zero DEU2450B (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

Sub-Zero DEU2450B: 243 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$40
Alaska28.2¢$69
Arizona15.2¢$37
Arkansas14.1¢$34
California34.7¢$84
Colorado17.1¢$42
Connecticut24.3¢$59
Delaware19.3¢$47
District of Columbia24.4¢$59
Florida15.1¢$37
Georgia16.4¢$40
Hawaiipriciest52.7¢$128
Idaho14.4¢$35
Illinois19.9¢$48
Indiana17.5¢$43
Iowa15.9¢$39
Kansas15.7¢$38
Kentucky14.3¢$35
Louisiana13.5¢$33
Maine29.6¢$72
Maryland21.8¢$53
Massachusetts29.6¢$72
Michigan23.0¢$56
Minnesota17.5¢$43
Mississippi14.9¢$36
Missouri16.2¢$39
Montana15.1¢$37
Nebraska13.3¢$32
Nevadacheapest13.1¢$32
New Hampshire27.0¢$66
New Jersey24.9¢$61
New Mexico15.1¢$37
New York29.5¢$72
North Carolina14.7¢$36
North Dakota14.1¢$34
Ohio19.2¢$47
Oklahoma14.3¢$35
Oregon16.3¢$40
Pennsylvania21.7¢$53
Rhode Island29.2¢$71
South Carolina15.6¢$38
South Dakota15.4¢$37
Tennessee14.1¢$34
Texas15.9¢$39
Utah13.4¢$32
Vermont24.4¢$59
Virginia17.2¢$42
Washington14.9¢$36
West Virginia15.4¢$38
Wisconsin19.6¢$48
Wyoming15.2¢$37

Certified models closest in efficiency

compact refrigerators within reach of 243 kWh/yr
ModelkWh/yr$/yr (US avg)
Absocold ARD104AB21R/L242$44
FARBERWARE FW-UFR701US244$45
FARBERWARE FW-UFR702US244$45
Frigidaire FFUE0726AW244$45
Insignia NS-UZ70SS27244$45
Insignia NS-UZ70SS27-C244$45

Run your own numbers

Your rate, your numbers

Per day
12¢
Per month
$3.71
Per year
$45

243 kWh/yr × 18.3¢/kWh = $45/yr

Prefilled with this model's certified 243 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 Sub-Zero DEU2450B use?
ENERGY STAR certifies the Sub-Zero DEU2450B at 243 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 Sub-Zero DEU2450B cost to run per month?
About $3.71 a month at the U.S. average residential rate (18.3¢/kWh) — 12¢ a day, or $45 a year. Your state's rate moves this up or down; see the table above.
Is the Sub-Zero DEU2450B energy efficient?
It uses 1% less electricity than the median certified compact refrigerator.
What does the Sub-Zero DEU2450B cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $32 a year in Nevada (13.1¢/kWh) and $128 in Hawaii (52.7¢/kWh).
How many watts does the Sub-Zero DEU2450B draw on average?
Spread over a year of continuous operation, 243 kWh works out to an average draw of about 28 watts — like leaving a 28-watt bulb on 24/7.

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