What the DOMETIC C40S1 costs to run
The DOMETIC C40S1 is certified by ENERGY STAR at 106 kWh a year, one of the cheaper models in its category to run among refrigerators currently certified.
The $20 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
DOMETIC C40S1 against the category
That's 72.5% below the refrigerator category average of 386 kWh/yr, and ranks 32 of 4,704 certified refrigerators for annual running cost, 1 being cheapest. The category average comes from every refrigerator ENERGY STAR currently certifies (4,704 models), not an outside benchmark, about $53/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
DOMETIC C40S2 ($20/yr, 106 kWh/yr) costs a little more to run than the DOMETIC C40S1. Liebherr HWgb 1803 ($20/yr, 105 kWh/yr) costs a little less.
Within the DOMETIC lineup
DOMETIC sells 15 certified refrigerators; this one runs cheapest of them, $30/year under the EA24D, its priciest.
Cost over its typical lifespan
Over the 13-year service life NAHB reports for this category, running the DOMETIC C40S1 costs roughly $259 in electricity, separate from the purchase price.
Shopping for a new one
The DOMETIC C40S1 is already efficient for its category at $20/year. If you're shopping and comparing options, this is roughly what a well-chosen new refrigerator costs to run.
Compare current ENERGY STAR certified refrigerators before buying.
Protecting what you have
At $20/year just to run, a refrigerator is worth protecting against an unplanned repair bill on top of that.
Sourcing
At rank 32 of 4,704 for running cost, see the refrigerator category page for the rest of the field, or the guide to how much your state matters. The 106 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.