WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

Sub-Zero ID-24R

The Sub-Zero ID-24R never switches off, and its certified 213 kWh a year works out to about $39 on a U.S.-average electric bill — roughly $3.26 a month for an average continuous draw of 24 watts. Compared with the median certified compact refrigerator, it uses 13% less electricity — rank 329 out of 1645. The same unit costs $28 a year in Nevada but $112 in Hawaii — electricity rates, not the appliance, make the difference.

Uses 28% less energy than the U.S. federal minimum

Dimensions 34.5" H × 24" W

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

$39/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$3.26
Per day
11¢
Certified use
213 kWh/yr
Configuration
Compact Refrigerator
Total capacity
4 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the Sub-Zero ID-24R (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

Sub-Zero ID-24R: 213 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$35
Alaska28.2¢$60
Arizona15.2¢$32
Arkansas14.1¢$30
California34.7¢$74
Colorado17.1¢$36
Connecticut24.3¢$52
Delaware19.3¢$41
District of Columbia24.4¢$52
Florida15.1¢$32
Georgia16.4¢$35
Hawaiipriciest52.7¢$112
Idaho14.4¢$31
Illinois19.9¢$42
Indiana17.5¢$37
Iowa15.9¢$34
Kansas15.7¢$33
Kentucky14.3¢$30
Louisiana13.5¢$29
Maine29.6¢$63
Maryland21.8¢$47
Massachusetts29.6¢$63
Michigan23.0¢$49
Minnesota17.5¢$37
Mississippi14.9¢$32
Missouri16.2¢$35
Montana15.1¢$32
Nebraska13.3¢$28
Nevadacheapest13.1¢$28
New Hampshire27.0¢$58
New Jersey24.9¢$53
New Mexico15.1¢$32
New York29.5¢$63
North Carolina14.7¢$31
North Dakota14.1¢$30
Ohio19.2¢$41
Oklahoma14.3¢$31
Oregon16.3¢$35
Pennsylvania21.7¢$46
Rhode Island29.2¢$62
South Carolina15.6¢$33
South Dakota15.4¢$33
Tennessee14.1¢$30
Texas15.9¢$34
Utah13.4¢$28
Vermont24.4¢$52
Virginia17.2¢$37
Washington14.9¢$32
West Virginia15.4¢$33
Wisconsin19.6¢$42
Wyoming15.2¢$32

Certified models closest in efficiency

compact refrigerators within reach of 213 kWh/yr
ModelkWh/yr$/yr (US avg)
Arctic King ARM24S4AWW213$39
Emerson CR0026213$39
Galanz GLR25M**R10213$39
Galanz GLR25M**R27213$39
Galanz GLR25MBKE02213$39
Galanz GLR25MS1E02213$39

Run your own numbers

Your rate, your numbers

Per day
11¢
Per month
$3.26
Per year
$39

213 kWh/yr × 18.3¢/kWh = $39/yr

Prefilled with this model's certified 213 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 ID-24R use?
ENERGY STAR certifies the Sub-Zero ID-24R at 213 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 ID-24R cost to run per month?
About $3.26 a month at the U.S. average residential rate (18.3¢/kWh) — 11¢ a day, or $39 a year. Your state's rate moves this up or down; see the table above.
Is the Sub-Zero ID-24R energy efficient?
It uses 13% less electricity than the median certified compact refrigerator, placing it in the efficient third of certified models.
What does the Sub-Zero ID-24R cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $28 a year in Nevada (13.1¢/kWh) and $112 in Hawaii (52.7¢/kWh).
How many watts does the Sub-Zero ID-24R draw on average?
Spread over a year of continuous operation, 213 kWh works out to an average draw of about 24 watts — like leaving a 24-watt bulb on 24/7.

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