JuiceTab
GuidesRates by stateMost efficient

DOMETIC C40S1

ENERGY STAR certifiedMeets ENERGY STAR Most Efficient criteria

Compact refrigerator · 1.1 cu ft

Inthis refrigerator costs

about $2 a month

$19 a year

An estimate at your state's average rate — not a guarantee of your bill.

Estimated yearly cost

$15

a year

The yellow sticker says $15 a year.

You'll pay $4 more.

Sticker uses 14¢ per kWh. The U.S. average is 18.0¢ per kWh.

Energy use

106 kWh a year

vs similar compact refrigerator

-57%

Cheaper refrigerators, same size

ENERGY STAR lists one other certified model at the same 106 kWh a year, size and type, so everything on this page applies to it too.

Cheaper to run, same size

A year at the U.S. average residential rate.

Compare all 4878 refrigerators under 10 cu ft

Cost in every state

106 kWh a year × each state's average residential rate (EIA 12-month average through July 2026).

StateRatePer yearPer month
Hawaii43.7¢$46about $4 a month
California33.1¢$35about $3 a month
Massachusetts30.4¢$32about $3 a month
Rhode Island29.4¢$31about $3 a month
Maine29.3¢$31about $3 a month
New York28.4¢$30about $3 a month
Connecticut28.2¢$30about $2 a month
Alaska27.0¢$29about $2 a month
New Hampshire26.8¢$28about $2 a month
District of Columbia24.2¢$26about $2 a month
Show all 52 states
Vermont23.9¢$25about $2 a month
New Jersey23.6¢$25about $2 a month
Maryland22.3¢$24about $2 a month
Michigan21.0¢$22about $2 a month
Pennsylvania20.8¢$22about $2 a month
Illinois19.0¢$20about $2 a month
Wisconsin18.8¢$20about $2 a month
Ohio18.3¢$19about $2 a month
U.S. average18.0¢$19about $2 a month
Delaware18.0¢$19about $2 a month
Indiana17.1¢$18about $2 a month
Virginia16.6¢$18about $1 a month
Colorado16.6¢$18about $1 a month
Alabama16.5¢$17about $1 a month
Minnesota16.2¢$17about $1 a month
Texas16.0¢$17about $1 a month
South Carolina15.7¢$17about $1 a month
West Virginia15.7¢$17about $1 a month
Oregon15.6¢$17about $1 a month
Arizona15.5¢$16about $1 a month
Florida15.4¢$16about $1 a month
New Mexico15.2¢$16about $1 a month
Kansas15.1¢$16about $1 a month
Georgia15.1¢$16about $1 a month
Mississippi14.9¢$16about $1 a month
North Carolina14.9¢$16about $1 a month
South Dakota14.3¢$15about $1 a month
Washington14.2¢$15about $1 a month
Wyoming14.2¢$15about $1 a month
Iowa14.1¢$15about $1 a month
Kentucky14.0¢$15about $1 a month
Montana13.9¢$15about $1 a month
Missouri13.9¢$15about $1 a month
Tennessee13.7¢$14about $1 a month
Oklahoma13.6¢$14about $1 a month
Nevada13.6¢$14about $1 a month
Arkansas13.5¢$14about $1 a month
Utah13.3¢$14about $1 a month
Louisiana13.1¢$14about $1 a month
Nebraska12.9¢$14about $1 a month
Idaho12.7¢$13about $1 a month
North Dakota12.5¢$13about $1 a month

What the DOMETIC C40S1 costs where electricity is expensive

At Hawaii's average residential rate of 43.7¢ per kWh, the DOMETIC C40S1 costs $46 a year — $31 more a year than the label says. The EnergyGuide label estimates $15 a year, because every label in the country is calculated at 14¢ per kWh. At the U.S. average of 18.0¢ per kWh this refrigerator costs $19 a year, and in North Dakota, the cheapest state, $13 a year.

Estimated annual running cost for the DOMETIC C40S1 in the highest-rate states and the lowest-rate state
WhereRateCost a yearvs the label
Hawaii43.7¢ per kWh$46+$31
California33.1¢ per kWh$35+$20
Massachusetts30.4¢ per kWh$32+$17
Rhode Island29.4¢ per kWh$31+$16
Maine29.3¢ per kWh$31+$16
North Dakota12.5¢ per kWh$13−$2

Electricity prices: EIA 12-month average through July 2026, residential sector, average revenue per kWh. Label figure calculated at 14¢ per kWh, the rate the FTC requires on labels.

Full specs

At the U.S. average residential rate this one costs $19 a year — about 57% cheaper to run than the average compact refrigerator ($44 a year across 4,805 certified models).

$19
Most efficient $13Least efficient $104

Every model on this scale is ENERGY STAR certified. Range across 4805 compact refrigerators, priced a year at the U.S. average residential rate.

Federal limit for this size and configuration: 269 kWh a year ($49 a year). This model uses 106 kWh a year.

Brand
DOMETIC
Model number
C40S1
Type
Compact refrigerator
Capacity
1.1 cu ft
Annual energy use
106 kWh a year
Better than the federal standard
61% less energy
ENERGY STAR Most Efficient
Yes
On the market since
October 2022
Certified
May 2022
UPC
6951220000000
Defrost
Automatic
Ice maker
No
Through-the-door dispenser
No
Counter depth
Yes
Built-in
No
Height (in)
21.7
Width (in)
15.9
Adjusted volume (cu ft)
1.1
Refrigerant
R-600a
Connected features
No
Where to buy

We do not sell appliances. These open a search on the retailer's own site.

Search AmazonSearch Home DepotSearch Lowe'sSearch Best Buy
Common questions
+How much does the DOMETIC C40S1 cost to run per month?

about $2 a month at the U.S. average residential rate of 18.0¢ per kWh, or $19 a year. Your cost depends on your state's rate — see the table above.

+How many kWh does the DOMETIC C40S1 use?

106 kWh a year, as the manufacturer filed it with the EPA, in the ENERGY STAR certified product database.

+Is the DOMETIC C40S1 energy efficient?

It is listed as ENERGY STAR certified, and it meets the ENERGY STAR Most Efficient criteria. It uses about 57% less electricity than the average compact refrigerator (average: 246 kWh a year).

+How does the DOMETIC C40S1 compare to the average refrigerator?

The average compact refrigerator in our database uses 246 kWh a year, costing $44 a year at the U.S. average residential rate. The DOMETIC C40S1 uses 106 kWh a year, costing $19 a year.

How we calculate this

Annual energy use (106 kWh a year) is the figure the manufacturer filed for this model with the EPA, in the ENERGY STAR certified product database. Running cost is that figure multiplied by a state's average residential electricity price from the U.S. Energy Information Administration (12-month average through July 2026, average revenue per kWh).

Sources: EPA ENERGY STAR certified product data, updated weekly · U.S. EIA electricity prices, 12-month average through July 2026.