WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

Thermador T36IB905SP

Running around the clock, the Thermador T36IB905SP uses a certified 504 kWh per year — about $95 at the U.S. average rate, or $7.91 a month, the equivalent of a steady 58-watt draw. Compared with the median certified bottom-freezer refrigerator, it uses 10% less electricity — rank 455 out of 1458. Where you live moves the bill from $62 a year in North Dakota to $235 in Hawaii.

Uses 25% less energy than the U.S. federal minimum

Dimensions 83.7" H × 36" W

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

$95/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$7.91
Per day
26¢
Certified use
504 kWh/yr
Configuration
Bottom Freezer
Total capacity
19.5 cu ft
Defrost
Automatic
Ice maker
Yes
Through-door dispenser
No
42 kWh805 kWh
Where the Thermador T36IB905SP (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

Thermador T36IB905SP: 504 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$88
Alaska27.4¢$138
Arizona15.5¢$78
Arkansas14.2¢$71
California35.3¢$178
Colorado16.5¢$83
Connecticut32.2¢$162
Delaware18.8¢$95
District of Columbia25.4¢$128
Florida15.4¢$78
Georgia15.4¢$77
Hawaiipriciest46.6¢$235
Idaho12.7¢$64
Illinois20.5¢$103
Indiana17.9¢$90
Iowa13.9¢$70
Kansas15.8¢$80
Kentucky15.0¢$76
Louisiana14.4¢$73
Maine28.4¢$143
Maryland22.1¢$111
Massachusetts29.4¢$148
Michigan21.4¢$108
Minnesota16.4¢$83
Mississippi16.8¢$84
Missouri14.0¢$71
Montana13.9¢$70
Nebraska13.3¢$67
Nevada14.3¢$72
New Hampshire27.2¢$137
New Jersey23.5¢$119
New Mexico15.2¢$76
New York29.4¢$148
North Carolina16.3¢$82
North Dakotacheapest12.3¢$62
Ohio19.5¢$98
Oklahoma13.3¢$67
Oregon15.8¢$80
Pennsylvania21.5¢$108
Rhode Island28.3¢$143
South Carolina17.1¢$86
South Dakota14.5¢$73
Tennessee14.9¢$75
Texas17.0¢$86
Utah13.3¢$67
Vermont24.6¢$124
Virginia17.4¢$88
Washington14.4¢$72
West Virginia16.1¢$81
Wisconsin19.2¢$97
Wyoming14.7¢$74

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 504 kWh/yr
ModelkWh/yr$/yr (US avg)
Gaggenau RB492705504$95
Miele KF 2902 Vi504$95
Verona VEFFD3316RISL504$95
VITARA VFFR1700ESBE504$95
VITARA VFFR1700ESE504$95
VITARA VFFR1700ESSE504$95

Run your own numbers

Your rate, your numbers

Per day
26¢
Per month
$7.91
Per year
$95

504 kWh/yr × 18.8¢/kWh = $95/yr

Prefilled with this model's certified 504 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 Thermador T36IB905SP use?
ENERGY STAR certifies the Thermador T36IB905SP at 504 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 Thermador T36IB905SP cost to run per month?
About $7.91 a month at the U.S. average residential rate (18.8¢/kWh) — 26¢ a day, or $95 a year. Your state's rate moves this up or down; see the table above.
Is the Thermador T36IB905SP energy efficient?
It uses 10% less electricity than the median certified bottom-freezer refrigerator, placing it in the efficient third of certified models.
What does the Thermador T36IB905SP cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $62 a year in North Dakota (12.3¢/kWh) and $235 in Hawaii (46.6¢/kWh).
How many watts does the Thermador T36IB905SP draw on average?
Spread over a year of continuous operation, 504 kWh works out to an average draw of about 58 watts — like leaving a 58-watt bulb on 24/7.

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