WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

KOOLMORE KM-PRTM-22

The KOOLMORE KM-PRTM-22 never switches off, and its certified 464 kWh a year works out to about $85 on a U.S.-average electric bill — roughly $7.09 a month for an average continuous draw of 53 watts. That's 18% less than the median certified bottom-freezer refrigerator, placing it comfortably in the efficient third of the field (333 of 1478). Where you live moves the bill from $61 a year in Nevada to $245 in Hawaii.

Uses 12% less energy than the U.S. federal minimum

Dimensions 69.7" H × 21.3" W

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

$85/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$7.09
Per day
23¢
Certified use
464 kWh/yr
Configuration
Bottom Freezer
Total capacity
8.4 cu ft
Defrost
Automatic
Ice maker
Yes
Through-door dispenser
No
42 kWh805 kWh
Where the KOOLMORE KM-PRTM-22 (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

KOOLMORE KM-PRTM-22: 464 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$76
Alaska28.2¢$131
Arizona15.2¢$70
Arkansas14.1¢$66
California34.7¢$161
Colorado17.1¢$79
Connecticut24.3¢$113
Delaware19.3¢$90
District of Columbia24.4¢$113
Florida15.1¢$70
Georgia16.4¢$76
Hawaiipriciest52.7¢$245
Idaho14.4¢$67
Illinois19.9¢$92
Indiana17.5¢$81
Iowa15.9¢$74
Kansas15.7¢$73
Kentucky14.3¢$66
Louisiana13.5¢$63
Maine29.6¢$137
Maryland21.8¢$101
Massachusetts29.6¢$137
Michigan23.0¢$107
Minnesota17.5¢$81
Mississippi14.9¢$69
Missouri16.2¢$75
Montana15.1¢$70
Nebraska13.3¢$61
Nevadacheapest13.1¢$61
New Hampshire27.0¢$125
New Jersey24.9¢$116
New Mexico15.1¢$70
New York29.5¢$137
North Carolina14.7¢$68
North Dakota14.1¢$66
Ohio19.2¢$89
Oklahoma14.3¢$66
Oregon16.3¢$76
Pennsylvania21.7¢$101
Rhode Island29.2¢$136
South Carolina15.6¢$72
South Dakota15.4¢$71
Tennessee14.1¢$65
Texas15.9¢$74
Utah13.4¢$62
Vermont24.4¢$113
Virginia17.2¢$80
Washington14.9¢$69
West Virginia15.4¢$72
Wisconsin19.6¢$91
Wyoming15.2¢$71

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 464 kWh/yr
ModelkWh/yr$/yr (US avg)
Bertazzoni REF24BMBIPNV464$85
Forno FFRBI1704-21464$85
FORTE F9BFRESIC450PR464$85
FULGOR MILANO FM4BM22IFBI464$85
ILVE URBM22SIWPRY464$85
VITARA VBBM0840EWEI464$85

Run your own numbers

Your rate, your numbers

Per day
23¢
Per month
$7.09
Per year
$85

464 kWh/yr × 18.3¢/kWh = $85/yr

Prefilled with this model's certified 464 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 KOOLMORE KM-PRTM-22 use?
ENERGY STAR certifies the KOOLMORE KM-PRTM-22 at 464 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 KOOLMORE KM-PRTM-22 cost to run per month?
About $7.09 a month at the U.S. average residential rate (18.3¢/kWh) — 23¢ a day, or $85 a year. Your state's rate moves this up or down; see the table above.
Is the KOOLMORE KM-PRTM-22 energy efficient?
It uses 18% less electricity than the median certified bottom-freezer refrigerator, placing it in the efficient third of certified models.
What does the KOOLMORE KM-PRTM-22 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $61 a year in Nevada (13.1¢/kWh) and $245 in Hawaii (52.7¢/kWh).
How many watts does the KOOLMORE KM-PRTM-22 draw on average?
Spread over a year of continuous operation, 464 kWh works out to an average draw of about 53 watts — like leaving a 53-watt bulb on 24/7.

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