ApplianceRanked

DOMETIC C40S1

Compact Refrigerator · 1.1

ENERGY STAR Most Efficient

Summary

The DOMETIC C40S1 is a compact refrigerator with 1.1 capacity that uses 106 kWh per year, costing approximately $16.96annually to run at the US average electricity rate. Over 10 years, that's $169.60 in energy costs alone. It uses 61% less energy than the federal minimum standard, earning ENERGY STAR's "Most Efficient" designation — the top tier of certified products. This is an exceptionally efficient model.

Ranked #19 out of 4363 refrigerators by annual running cost, it costs $45.04 less per year than the category average of $62. At 15.9" wide, it fits in tight spaces where a full-size unit won't.

$16.96
per year to run
100
efficiency score /100
$169.60
10-year energy cost

How This Compares to Other Refrigerators

Ranked #19 out of 4363 in the refrigerators category (by lowest annual cost).

Annual Cost
$16.96 vs avg $62
$45.04/yr cheaper
Energy Use
106 kWh vs avg 385
279 kWh less
Efficiency Score
100 vs avg 63
Above average

Energy Details

Annual Energy Use106 kWh/year
Federal Standard269 kWh/year
Better Than Standard61%
Annual Cost (at $0.16/kWh)$16.96
Monthly Cost (estimated)$1.41
Capacity1.1
Width15.9"
Height21.7"
BrandDOMETIC
TypeCompact Refrigerator
Date Certified2022-05-16

Running Cost Breakdown

Estimated electricity costs at different time horizons (based on $0.16/kWh US average rate):

Monthly
$1.41
1 Year
$16.96
5 Years
$84.80
10 Years
$169.60

Actual costs vary by location. States like Hawaii ($0.43/kWh) pay significantly more while Idaho ($0.11/kWh) pays less. Use our energy calculator to estimate costs at your local rate.

What This Means for You

The DOMETIC C40S1 is cheaper to run than the average refrigerator in its category. At $16.96/year, you'll save approximately $450.40 over 10 years compared to a typical model in this category.

With a high efficiency score, this model is one of the better options if minimizing long-term energy costs is a priority.

Energy costs are just one factor in choosing a refrigerator. Consider the purchase price, features, reliability, and how the total cost of ownership (purchase price + energy costs over its expected lifespan) compares to alternatives.

Energy cost estimated at $0.16/kWh (US national average). Your actual cost depends on your local electricity rate and usage patterns. Data from ENERGY STAR certified product database.