WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

KOOLMORE KM-TMR-20-W

Running around the clock, the KOOLMORE KM-TMR-20-W uses a certified 390 kWh per year — about $72 at the U.S. average rate, or $5.96 a month, the equivalent of a steady 45-watt draw. Efficiency-wise it's unremarkable in a good way: within 7% of the median certified top-freezer refrigerator (rank 522 of 713). Where you live moves the bill from $51 a year in Nevada to $206 in Hawaii. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

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

Dimensions 67" H × 30" W

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

$72/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$5.96
Per day
20¢
Certified use
390 kWh/yr
Configuration
Top Freezer
Total capacity
20.5 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the KOOLMORE KM-TMR-20-W (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

KOOLMORE KM-TMR-20-W: 390 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$64
Alaska28.2¢$110
Arizona15.2¢$59
Arkansas14.1¢$55
California34.7¢$135
Colorado17.1¢$67
Connecticut24.3¢$95
Delaware19.3¢$75
District of Columbia24.4¢$95
Florida15.1¢$59
Georgia16.4¢$64
Hawaiipriciest52.7¢$206
Idaho14.4¢$56
Illinois19.9¢$78
Indiana17.5¢$68
Iowa15.9¢$62
Kansas15.7¢$61
Kentucky14.3¢$56
Louisiana13.5¢$53
Maine29.6¢$115
Maryland21.8¢$85
Massachusetts29.6¢$115
Michigan23.0¢$90
Minnesota17.5¢$68
Mississippi14.9¢$58
Missouri16.2¢$63
Montana15.1¢$59
Nebraska13.3¢$52
Nevadacheapest13.1¢$51
New Hampshire27.0¢$105
New Jersey24.9¢$97
New Mexico15.1¢$59
New York29.5¢$115
North Carolina14.7¢$57
North Dakota14.1¢$55
Ohio19.2¢$75
Oklahoma14.3¢$56
Oregon16.3¢$64
Pennsylvania21.7¢$85
Rhode Island29.2¢$114
South Carolina15.6¢$61
South Dakota15.4¢$60
Tennessee14.1¢$55
Texas15.9¢$62
Utah13.4¢$52
Vermont24.4¢$95
Virginia17.2¢$67
Washington14.9¢$58
West Virginia15.4¢$60
Wisconsin19.6¢$76
Wyoming15.2¢$59

Certified models closest in efficiency

top-freezer refrigerators within reach of 390 kWh/yr
ModelkWh/yr$/yr (US avg)
Criterion CTMR205Mmost efficient390$72
Criterion CTMR205M1most efficient390$72
Crosley CRMH203Amost efficient390$72
ELEMENT ERT21CSmost efficient390$72
HOUSE KOBO UR-BCD572WX-SQ-WZmost efficient390$72
Insignia NS-RTM20most efficient390$72

Run your own numbers

Your rate, your numbers

Per day
20¢
Per month
$5.96
Per year
$72

390 kWh/yr × 18.3¢/kWh = $72/yr

Prefilled with this model's certified 390 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-TMR-20-W use?
ENERGY STAR certifies the KOOLMORE KM-TMR-20-W at 390 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-TMR-20-W cost to run per month?
About $5.96 a month at the U.S. average residential rate (18.3¢/kWh) — 20¢ a day, or $72 a year. Your state's rate moves this up or down; see the table above.
Is the KOOLMORE KM-TMR-20-W energy efficient?
It uses 7% more electricity than the median certified top-freezer refrigerator. It also meets ENERGY STAR's Most Efficient criteria.
What does the KOOLMORE KM-TMR-20-W cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $51 a year in Nevada (13.1¢/kWh) and $206 in Hawaii (52.7¢/kWh).
How many watts does the KOOLMORE KM-TMR-20-W draw on average?
Spread over a year of continuous operation, 390 kWh works out to an average draw of about 45 watts — like leaving a 45-watt bulb on 24/7.

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