WattCost

Data through April 2026

Running cost · Freezers · ENERGY STAR certified

Comfee CERU07B0

The Comfee CERU07B0 never switches off, and its certified 300 kWh a year works out to about $56 on a U.S.-average electric bill — roughly $4.71 a month for an average continuous draw of 34 watts. Even among certified models it's on the thirsty end: 22% more electricity than the median compact freezer, ranked 102 of 128. Where you live moves the bill from $37 a year in North Dakota to $140 in Hawaii.

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

$56/yr

$26 · cheapest certified freezers$122 · priciest
Per month
$4.71
Per day
15¢
Certified use
300 kWh/yr
Configuration
Compact
Total capacity
7.2 cu ft
Defrost
Manual
Compact
Yes
137 kWh649 kWh
Where the Comfee CERU07B0 (▮) sits among all 568 certified freezers, by annual kWh

What it costs in every state

Comfee CERU07B0: 300 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$52
Alaska27.4¢$82
Arizona15.5¢$46
Arkansas14.2¢$42
California35.3¢$106
Colorado16.5¢$50
Connecticut32.2¢$97
Delaware18.8¢$56
District of Columbia25.4¢$76
Florida15.4¢$46
Georgia15.4¢$46
Hawaiipriciest46.6¢$140
Idaho12.7¢$38
Illinois20.5¢$61
Indiana17.9¢$54
Iowa13.9¢$42
Kansas15.8¢$47
Kentucky15.0¢$45
Louisiana14.4¢$43
Maine28.4¢$85
Maryland22.1¢$66
Massachusetts29.4¢$88
Michigan21.4¢$64
Minnesota16.4¢$49
Mississippi16.8¢$50
Missouri14.0¢$42
Montana13.9¢$42
Nebraska13.3¢$40
Nevada14.3¢$43
New Hampshire27.2¢$82
New Jersey23.5¢$71
New Mexico15.2¢$45
New York29.4¢$88
North Carolina16.3¢$49
North Dakotacheapest12.3¢$37
Ohio19.5¢$58
Oklahoma13.3¢$40
Oregon15.8¢$47
Pennsylvania21.5¢$64
Rhode Island28.3¢$85
South Carolina17.1¢$51
South Dakota14.5¢$44
Tennessee14.9¢$45
Texas17.0¢$51
Utah13.3¢$40
Vermont24.6¢$74
Virginia17.4¢$52
Washington14.4¢$43
West Virginia16.1¢$48
Wisconsin19.2¢$58
Wyoming14.7¢$44

Certified models closest in efficiency

compact freezers within reach of 300 kWh/yr
ModelkWh/yr$/yr (US avg)
Fisher & Paykel RB36Smost efficient300$56
Frigidaire FFUE0736AW300$56
Avanti AV701VFB0W299$56
Westbend AV701VFB0W299$56
Danby DUF071A3298$56
Liebherr UF501most efficient302$57

Run your own numbers

Your rate, your numbers

Per day
15¢
Per month
$4.71
Per year
$56

300 kWh/yr × 18.8¢/kWh = $56/yr

Prefilled with this model's certified 300 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.

Questions, answered with the data

How much electricity does the Comfee CERU07B0 use?
ENERGY STAR certifies the Comfee CERU07B0 at 300 kWh per year. The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures.
How much does the Comfee CERU07B0 cost to run per month?
About $4.71 a month at the U.S. average residential rate (18.8¢/kWh) — 15¢ a day, or $56 a year. Your state's rate moves this up or down; see the table above.
Is the Comfee CERU07B0 energy efficient?
It uses 22% more electricity than the median certified compact freezer, which puts it among the least efficient certified models.
What does the Comfee CERU07B0 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $37 a year in North Dakota (12.3¢/kWh) and $140 in Hawaii (46.6¢/kWh).
How many watts does the Comfee CERU07B0 draw on average?
Spread over a year of continuous operation, 300 kWh works out to an average draw of about 34 watts — like leaving a 34-watt bulb on 24/7.

Keep digging