WattCost

Data through June 2026

Running cost · Freezers · ENERGY STAR certified

Sub-Zero ID-30F

Running around the clock, the Sub-Zero ID-30F uses a certified 356 kWh per year — about $65 at the U.S. average rate, or $5.44 a month, the equivalent of a steady 41-watt draw. Even among certified models it's on the thirsty end: 43% more electricity than the median compact freezer, ranked 117 of 134. Where you live moves the bill from $47 a year in Nevada to $188 in Hawaii.

Uses 20% less energy than the U.S. federal minimum

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

$65/yr

$25 · cheapest certified freezers$119 · priciest
Per month
$5.44
Per day
18¢
Certified use
356 kWh/yr
Configuration
Compact
Total capacity
5.1 cu ft
Defrost
Automatic
Compact
Yes
137 kWh649 kWh
Where the Sub-Zero ID-30F (▮) sits among all 594 certified freezers, by annual kWh

What it costs in every state

Sub-Zero ID-30F: 356 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$58
Alaska28.2¢$100
Arizona15.2¢$54
Arkansas14.1¢$50
California34.7¢$124
Colorado17.1¢$61
Connecticut24.3¢$87
Delaware19.3¢$69
District of Columbia24.4¢$87
Florida15.1¢$54
Georgia16.4¢$58
Hawaiipriciest52.7¢$188
Idaho14.4¢$51
Illinois19.9¢$71
Indiana17.5¢$62
Iowa15.9¢$57
Kansas15.7¢$56
Kentucky14.3¢$51
Louisiana13.5¢$48
Maine29.6¢$105
Maryland21.8¢$78
Massachusetts29.6¢$105
Michigan23.0¢$82
Minnesota17.5¢$62
Mississippi14.9¢$53
Missouri16.2¢$58
Montana15.1¢$54
Nebraska13.3¢$47
Nevadacheapest13.1¢$47
New Hampshire27.0¢$96
New Jersey24.9¢$89
New Mexico15.1¢$54
New York29.5¢$105
North Carolina14.7¢$52
North Dakota14.1¢$50
Ohio19.2¢$68
Oklahoma14.3¢$51
Oregon16.3¢$58
Pennsylvania21.7¢$77
Rhode Island29.2¢$104
South Carolina15.6¢$55
South Dakota15.4¢$55
Tennessee14.1¢$50
Texas15.9¢$57
Utah13.4¢$48
Vermont24.4¢$87
Virginia17.2¢$61
Washington14.9¢$53
West Virginia15.4¢$55
Wisconsin19.6¢$70
Wyoming15.2¢$54

Certified models closest in efficiency

compact freezers within reach of 356 kWh/yr
ModelkWh/yr$/yr (US avg)
Summit ADFD2D24355$65
Liebherr SIF5181most efficient350$64
Miele FNS 7794 Emost efficient350$64
Marvel MLFZ*24-IS*1A369$68
Marvel MLFZ*24-SS*1A369$68
Marvel MOFZ*24-SS*1A369$68

Run your own numbers

Your rate, your numbers

Per day
18¢
Per month
$5.44
Per year
$65

356 kWh/yr × 18.3¢/kWh = $65/yr

Prefilled with this model's certified 356 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-30F use?
ENERGY STAR certifies the Sub-Zero ID-30F at 356 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-30F cost to run per month?
About $5.44 a month at the U.S. average residential rate (18.3¢/kWh) — 18¢ a day, or $65 a year. Your state's rate moves this up or down; see the table above.
Is the Sub-Zero ID-30F energy efficient?
It uses 43% more electricity than the median certified compact freezer, which puts it among the least efficient certified models.
What does the Sub-Zero ID-30F cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $47 a year in Nevada (13.1¢/kWh) and $188 in Hawaii (52.7¢/kWh).
How many watts does the Sub-Zero ID-30F draw on average?
Spread over a year of continuous operation, 356 kWh works out to an average draw of about 41 watts — like leaving a 41-watt bulb on 24/7.

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