WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

Thermador T23IR905SP

The Thermador T23IR905SP never switches off, and its certified 270 kWh a year works out to about $51 on a U.S.-average electric bill — roughly $4.24 a month for an average continuous draw of 31 watts. That's close to the middle of the certified pack — about 7% under the median freezerless-and-single-door refrigerator, ranked 92 of 259. Where you live moves the bill from $33 a year in North Dakota to $126 in Hawaii.

Uses 19% less energy than the U.S. federal minimum

Dimensions 83.7" H × 23.5" W

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

$51/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$4.24
Per day
14¢
Certified use
270 kWh/yr
Configuration
Freezerless and Single Door
Total capacity
13 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the Thermador T23IR905SP (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

Thermador T23IR905SP: 270 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$47
Alaska27.4¢$74
Arizona15.5¢$42
Arkansas14.2¢$38
California35.3¢$95
Colorado16.5¢$45
Connecticut32.2¢$87
Delaware18.8¢$51
District of Columbia25.4¢$69
Florida15.4¢$42
Georgia15.4¢$41
Hawaiipriciest46.6¢$126
Idaho12.7¢$34
Illinois20.5¢$55
Indiana17.9¢$48
Iowa13.9¢$37
Kansas15.8¢$43
Kentucky15.0¢$41
Louisiana14.4¢$39
Maine28.4¢$77
Maryland22.1¢$60
Massachusetts29.4¢$80
Michigan21.4¢$58
Minnesota16.4¢$44
Mississippi16.8¢$45
Missouri14.0¢$38
Montana13.9¢$38
Nebraska13.3¢$36
Nevada14.3¢$39
New Hampshire27.2¢$74
New Jersey23.5¢$64
New Mexico15.2¢$41
New York29.4¢$80
North Carolina16.3¢$44
North Dakotacheapest12.3¢$33
Ohio19.5¢$53
Oklahoma13.3¢$36
Oregon15.8¢$43
Pennsylvania21.5¢$58
Rhode Island28.3¢$76
South Carolina17.1¢$46
South Dakota14.5¢$39
Tennessee14.9¢$40
Texas17.0¢$46
Utah13.3¢$36
Vermont24.6¢$66
Virginia17.4¢$47
Washington14.4¢$39
West Virginia16.1¢$43
Wisconsin19.2¢$52
Wyoming14.7¢$40

Certified models closest in efficiency

freezerless-and-single-door refrigerators within reach of 270 kWh/yr
ModelkWh/yr$/yr (US avg)
BLACK+DECKER BUC1400XB270$51
BLACK+DECKER BUC1400XS270$51
BLACK+DECKER BUC1400XW270$51
Danby DUF140A1WDB270$51
ELEMENT EUF14CEES270$51
ELEMENT EUF14CEEW270$51

Run your own numbers

Your rate, your numbers

Per day
14¢
Per month
$4.24
Per year
$51

270 kWh/yr × 18.8¢/kWh = $51/yr

Prefilled with this model's certified 270 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 T23IR905SP use?
ENERGY STAR certifies the Thermador T23IR905SP at 270 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 T23IR905SP cost to run per month?
About $4.24 a month at the U.S. average residential rate (18.8¢/kWh) — 14¢ a day, or $51 a year. Your state's rate moves this up or down; see the table above.
Is the Thermador T23IR905SP energy efficient?
It uses 7% less electricity than the median certified freezerless-and-single-door refrigerator.
What does the Thermador T23IR905SP cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $33 a year in North Dakota (12.3¢/kWh) and $126 in Hawaii (46.6¢/kWh).
How many watts does the Thermador T23IR905SP draw on average?
Spread over a year of continuous operation, 270 kWh works out to an average draw of about 31 watts — like leaving a 31-watt bulb on 24/7.

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