WattCost

Data through April 2026

Running cost · Freezers · ENERGY STAR certified

Thermador T36IF900SP

The Thermador T36IF900SP never switches off, and its certified 543 kWh a year works out to about $102 on a U.S.-average electric bill — roughly $8.52 a month for an average continuous draw of 62 watts. It sits near the bottom of the certified table — using 24% more than the median upright freezer (rank 392 of 431) — so the state you live in matters more than usual. The same unit costs $67 a year in North Dakota but $253 in Hawaii — electricity rates, not the appliance, make the difference.

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

$102/yr

$26 · cheapest certified freezers$122 · priciest
Per month
$8.52
Per day
28¢
Certified use
543 kWh/yr
Configuration
Upright Freezer
Total capacity
19.4 cu ft
Defrost
Automatic
Compact
No
137 kWh649 kWh
Where the Thermador T36IF900SP (▮) sits among all 568 certified freezers, by annual kWh

What it costs in every state

Thermador T36IF900SP: 543 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$95
Alaska27.4¢$149
Arizona15.5¢$84
Arkansas14.2¢$77
California35.3¢$191
Colorado16.5¢$90
Connecticut32.2¢$175
Delaware18.8¢$102
District of Columbia25.4¢$138
Florida15.4¢$84
Georgia15.4¢$83
Hawaiipriciest46.6¢$253
Idaho12.7¢$69
Illinois20.5¢$111
Indiana17.9¢$97
Iowa13.9¢$75
Kansas15.8¢$86
Kentucky15.0¢$82
Louisiana14.4¢$78
Maine28.4¢$154
Maryland22.1¢$120
Massachusetts29.4¢$160
Michigan21.4¢$116
Minnesota16.4¢$89
Mississippi16.8¢$91
Missouri14.0¢$76
Montana13.9¢$75
Nebraska13.3¢$72
Nevada14.3¢$78
New Hampshire27.2¢$148
New Jersey23.5¢$128
New Mexico15.2¢$82
New York29.4¢$160
North Carolina16.3¢$88
North Dakotacheapest12.3¢$67
Ohio19.5¢$106
Oklahoma13.3¢$72
Oregon15.8¢$86
Pennsylvania21.5¢$117
Rhode Island28.3¢$154
South Carolina17.1¢$93
South Dakota14.5¢$79
Tennessee14.9¢$81
Texas17.0¢$92
Utah13.3¢$72
Vermont24.6¢$133
Virginia17.4¢$94
Washington14.4¢$78
West Virginia16.1¢$87
Wisconsin19.2¢$104
Wyoming14.7¢$80

Certified models closest in efficiency

upright freezers within reach of 543 kWh/yr
ModelkWh/yr$/yr (US avg)
Gaggenau RF491704543$102
Miele F 2901 Vi543$102
Miele F 2911 SF543$102
Miele F 2911 Vi543$102
Frigidaire GRDF1911A545$103
Dacor DRZ30980550$104

Run your own numbers

Your rate, your numbers

Per day
28¢
Per month
$8.52
Per year
$102

543 kWh/yr × 18.8¢/kWh = $102/yr

Prefilled with this model's certified 543 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 Thermador T36IF900SP use?
ENERGY STAR certifies the Thermador T36IF900SP at 543 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 Thermador T36IF900SP cost to run per month?
About $8.52 a month at the U.S. average residential rate (18.8¢/kWh) — 28¢ a day, or $102 a year. Your state's rate moves this up or down; see the table above.
Is the Thermador T36IF900SP energy efficient?
It uses 24% more electricity than the median certified upright freezer, which puts it among the least efficient certified models.
What does the Thermador T36IF900SP cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $67 a year in North Dakota (12.3¢/kWh) and $253 in Hawaii (46.6¢/kWh).
How many watts does the Thermador T36IF900SP draw on average?
Spread over a year of continuous operation, 543 kWh works out to an average draw of about 62 watts — like leaving a 62-watt bulb on 24/7.

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