WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

Whirlpool WHR31TS4E

The Whirlpool WHR31TS4E never switches off, and its certified 320 kWh a year works out to about $60 on a U.S.-average electric bill — roughly $5.02 a month for an average continuous draw of 37 watts. It sits near the bottom of the certified table — using 30% more than the median compact refrigerator (rank 1291 of 1589) — so the state you live in matters more than usual. The same unit costs $40 a year in North Dakota but $149 in Hawaii — electricity rates, not the appliance, make the difference.

Uses 11% less energy than the U.S. federal minimum

Dimensions 33" H × 19.1" W

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

$60/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$5.02
Per day
17¢
Certified use
320 kWh/yr
Configuration
Compact Refrigerator
Total capacity
3 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the Whirlpool WHR31TS4E (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

Whirlpool WHR31TS4E: 320 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$56
Alaska27.4¢$88
Arizona15.5¢$50
Arkansas14.2¢$45
California35.3¢$113
Colorado16.5¢$53
Connecticut32.2¢$103
Delaware18.8¢$60
District of Columbia25.4¢$81
Florida15.4¢$49
Georgia15.4¢$49
Hawaiipriciest46.6¢$149
Idaho12.7¢$41
Illinois20.5¢$66
Indiana17.9¢$57
Iowa13.9¢$44
Kansas15.8¢$50
Kentucky15.0¢$48
Louisiana14.4¢$46
Maine28.4¢$91
Maryland22.1¢$71
Massachusetts29.4¢$94
Michigan21.4¢$68
Minnesota16.4¢$52
Mississippi16.8¢$54
Missouri14.0¢$45
Montana13.9¢$44
Nebraska13.3¢$42
Nevada14.3¢$46
New Hampshire27.2¢$87
New Jersey23.5¢$75
New Mexico15.2¢$48
New York29.4¢$94
North Carolina16.3¢$52
North Dakotacheapest12.3¢$40
Ohio19.5¢$62
Oklahoma13.3¢$43
Oregon15.8¢$50
Pennsylvania21.5¢$69
Rhode Island28.3¢$91
South Carolina17.1¢$55
South Dakota14.5¢$46
Tennessee14.9¢$48
Texas17.0¢$54
Utah13.3¢$43
Vermont24.6¢$79
Virginia17.4¢$56
Washington14.4¢$46
West Virginia16.1¢$51
Wisconsin19.2¢$61
Wyoming14.7¢$47

Certified models closest in efficiency

compact refrigerators within reach of 320 kWh/yr
ModelkWh/yr$/yr (US avg)
Amana AMA31**E320$60
Amana AMA31S5E320$60
Amana AMAR31T**E320$60
ARCTIC CHEF ACFR834-6COM320$60
Avanti RA31B320$60
Avanti RA31B0W320$60

Run your own numbers

Your rate, your numbers

Per day
17¢
Per month
$5.02
Per year
$60

320 kWh/yr × 18.8¢/kWh = $60/yr

Prefilled with this model's certified 320 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 Whirlpool WHR31TS4E use?
ENERGY STAR certifies the Whirlpool WHR31TS4E at 320 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 Whirlpool WHR31TS4E cost to run per month?
About $5.02 a month at the U.S. average residential rate (18.8¢/kWh) — 17¢ a day, or $60 a year. Your state's rate moves this up or down; see the table above.
Is the Whirlpool WHR31TS4E energy efficient?
It uses 30% more electricity than the median certified compact refrigerator, which puts it among the least efficient certified models.
What does the Whirlpool WHR31TS4E cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $40 a year in North Dakota (12.3¢/kWh) and $149 in Hawaii (46.6¢/kWh).
How many watts does the Whirlpool WHR31TS4E draw on average?
Spread over a year of continuous operation, 320 kWh works out to an average draw of about 37 watts — like leaving a 37-watt bulb on 24/7.

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