Sub-Zero DEC1850FI/*: running cost
At 455 kWh/yr, the Sub-Zero DEC1850FI/*'s ENERGY STAR certification puts it more expensive than most models in its category to run against every other certified refrigerator.
The $86 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Where this ranks
That's 17.9% above the refrigerator category average of 386 kWh/yr, and ranks 3,236 of 4,704 certified refrigerators for annual running cost, 1 being cheapest. Every one of the 4,704 currently-certified refrigerators feeds that average, putting this model about $13/year over it. See how it's calculated on the how it is calculated page.
The closest alternatives by cost
Sorted by running cost among refrigerators, one step cheaper is Ikea IRT138FD*0* ($86/yr, 455 kWh/yr), and one step pricier is Whirlpool WRT148FZD* ($86/yr, 455 kWh/yr).
Within the Sub-Zero lineup
Sub-Zero makes 26 ENERGY STAR certified refrigerators; this one ranks 19 of 26 for running cost, between the brand's cheapest, the DEU2450R/ADA/* at $30/yr, and its priciest, the CL4850S/S/* at $140/yr.
Cost over its typical lifespan
Over the 13-year service life NAHB reports for this category, running the Sub-Zero DEC1850FI/* costs roughly $1,112 in electricity, separate from the purchase price.
Shopping for a new one
The Sub-Zero DEC1850FI/* runs above its category average. If the refrigerator you actually own is older still, likely well past ENERGY STAR's efficiency baseline when it was made, a current certified model could cost meaningfully less than this model's $86/year every year.
See what else is certified in this category before you decide.
Protecting what you have
At $86/year just to run, a refrigerator is worth protecting against an unplanned repair bill on top of that.
The data behind this page
The full Refrigerator category page shows all 4,704 refrigerators ranked by cost; the state-rate guide covers the half of this number that isn't the appliance. The 455 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.