WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

Bertazzoni REF31BMFXNV

Running around the clock, the Bertazzoni REF31BMFXNV uses a certified 458 kWh per year — about $84 at the U.S. average rate, or $7.00 a month, the equivalent of a steady 52-watt draw. That's 19% less than the median certified bottom-freezer refrigerator, placing it comfortably in the efficient third of the field (307 of 1478). The same unit costs $60 a year in Nevada but $241 in Hawaii — electricity rates, not the appliance, make the difference.

Uses 10% less energy than the U.S. federal minimum

Dimensions 67.9" H × 31.3" W

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

$84/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$7.00
Per day
23¢
Certified use
458 kWh/yr
Configuration
Bottom Freezer
Total capacity
17.8 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the Bertazzoni REF31BMFXNV (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

Bertazzoni REF31BMFXNV: 458 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$75
Alaska28.2¢$129
Arizona15.2¢$70
Arkansas14.1¢$65
California34.7¢$159
Colorado17.1¢$78
Connecticut24.3¢$111
Delaware19.3¢$88
District of Columbia24.4¢$112
Florida15.1¢$69
Georgia16.4¢$75
Hawaiipriciest52.7¢$241
Idaho14.4¢$66
Illinois19.9¢$91
Indiana17.5¢$80
Iowa15.9¢$73
Kansas15.7¢$72
Kentucky14.3¢$65
Louisiana13.5¢$62
Maine29.6¢$136
Maryland21.8¢$100
Massachusetts29.6¢$136
Michigan23.0¢$105
Minnesota17.5¢$80
Mississippi14.9¢$68
Missouri16.2¢$74
Montana15.1¢$69
Nebraska13.3¢$61
Nevadacheapest13.1¢$60
New Hampshire27.0¢$124
New Jersey24.9¢$114
New Mexico15.1¢$69
New York29.5¢$135
North Carolina14.7¢$68
North Dakota14.1¢$65
Ohio19.2¢$88
Oklahoma14.3¢$66
Oregon16.3¢$75
Pennsylvania21.7¢$100
Rhode Island29.2¢$134
South Carolina15.6¢$71
South Dakota15.4¢$70
Tennessee14.1¢$64
Texas15.9¢$73
Utah13.4¢$61
Vermont24.4¢$112
Virginia17.2¢$79
Washington14.9¢$68
West Virginia15.4¢$71
Wisconsin19.6¢$90
Wyoming15.2¢$70

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 458 kWh/yr
ModelkWh/yr$/yr (US avg)
Frigidaire FRFG1813A458$84
Hisense RB18A2CSE458$84
Kenmore KKFDR32.3X20-SS458$84
FARBERWARE FW-MRF171US-TU-I6A457$84
FARBERWARE FW-MRF172US-TU-I6A457$84
FARBERWARE FW-MRF179US-TU-I6A457$84

Run your own numbers

Your rate, your numbers

Per day
23¢
Per month
$7.00
Per year
$84

458 kWh/yr × 18.3¢/kWh = $84/yr

Prefilled with this model's certified 458 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 Bertazzoni REF31BMFXNV use?
ENERGY STAR certifies the Bertazzoni REF31BMFXNV at 458 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 Bertazzoni REF31BMFXNV cost to run per month?
About $7.00 a month at the U.S. average residential rate (18.3¢/kWh) — 23¢ a day, or $84 a year. Your state's rate moves this up or down; see the table above.
Is the Bertazzoni REF31BMFXNV energy efficient?
It uses 19% less electricity than the median certified bottom-freezer refrigerator, placing it in the efficient third of certified models.
What does the Bertazzoni REF31BMFXNV cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $60 a year in Nevada (13.1¢/kWh) and $241 in Hawaii (52.7¢/kWh).
How many watts does the Bertazzoni REF31BMFXNV draw on average?
Spread over a year of continuous operation, 458 kWh works out to an average draw of about 52 watts — like leaving a 52-watt bulb on 24/7.

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