WattCost

Data through April 2026

Running cost · Freezers · ENERGY STAR certified

Sub-Zero ID-24F

Running around the clock, the Sub-Zero ID-24F uses a certified 377 kWh per year — about $71 at the U.S. average rate, or $5.92 a month, the equivalent of a steady 43-watt draw. Even among certified models it's on the thirsty end: 54% more electricity than the median compact freezer, ranked 118 of 128. The same unit costs $47 a year in North Dakota but $176 in Hawaii — electricity rates, not the appliance, make the difference.

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

$71/yr

$26 · cheapest certified freezers$122 · priciest
Per month
$5.92
Per day
19¢
Certified use
377 kWh/yr
Configuration
Compact
Total capacity
3.8 cu ft
Defrost
Automatic
Compact
Yes
137 kWh649 kWh
Where the Sub-Zero ID-24F (▮) sits among all 568 certified freezers, by annual kWh

What it costs in every state

Sub-Zero ID-24F: 377 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$66
Alaska27.4¢$103
Arizona15.5¢$58
Arkansas14.2¢$53
California35.3¢$133
Colorado16.5¢$62
Connecticut32.2¢$122
Delaware18.8¢$71
District of Columbia25.4¢$96
Florida15.4¢$58
Georgia15.4¢$58
Hawaiipriciest46.6¢$176
Idaho12.7¢$48
Illinois20.5¢$77
Indiana17.9¢$67
Iowa13.9¢$52
Kansas15.8¢$59
Kentucky15.0¢$57
Louisiana14.4¢$54
Maine28.4¢$107
Maryland22.1¢$83
Massachusetts29.4¢$111
Michigan21.4¢$81
Minnesota16.4¢$62
Mississippi16.8¢$63
Missouri14.0¢$53
Montana13.9¢$52
Nebraska13.3¢$50
Nevada14.3¢$54
New Hampshire27.2¢$103
New Jersey23.5¢$89
New Mexico15.2¢$57
New York29.4¢$111
North Carolina16.3¢$61
North Dakotacheapest12.3¢$47
Ohio19.5¢$73
Oklahoma13.3¢$50
Oregon15.8¢$59
Pennsylvania21.5¢$81
Rhode Island28.3¢$107
South Carolina17.1¢$64
South Dakota14.5¢$55
Tennessee14.9¢$56
Texas17.0¢$64
Utah13.3¢$50
Vermont24.6¢$93
Virginia17.4¢$66
Washington14.4¢$54
West Virginia16.1¢$61
Wisconsin19.2¢$72
Wyoming14.7¢$55

Certified models closest in efficiency

compact freezers within reach of 377 kWh/yr
ModelkWh/yr$/yr (US avg)
Sub-Zero ID-24FI377$71
True Refrigeration TUF-24-*-**-C384$72
Marvel MLFZ*24-IS*1A369$69
Marvel MLFZ*24-SS*1A369$69
Marvel MOFZ*24-SS*1A369$69
Marvel MPFZ*24-IS*1A369$69

Run your own numbers

Your rate, your numbers

Per day
19¢
Per month
$5.92
Per year
$71

377 kWh/yr × 18.8¢/kWh = $71/yr

Prefilled with this model's certified 377 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.

Questions, answered with the data

How much electricity does the Sub-Zero ID-24F use?
ENERGY STAR certifies the Sub-Zero ID-24F at 377 kWh per year. The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures.
How much does the Sub-Zero ID-24F cost to run per month?
About $5.92 a month at the U.S. average residential rate (18.8¢/kWh) — 19¢ a day, or $71 a year. Your state's rate moves this up or down; see the table above.
Is the Sub-Zero ID-24F energy efficient?
It uses 54% more electricity than the median certified compact freezer, which puts it among the least efficient certified models.
What does the Sub-Zero ID-24F cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $47 a year in North Dakota (12.3¢/kWh) and $176 in Hawaii (46.6¢/kWh).
How many watts does the Sub-Zero ID-24F draw on average?
Spread over a year of continuous operation, 377 kWh works out to an average draw of about 43 watts — like leaving a 43-watt bulb on 24/7.

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