What the Sub-Zero DEU2450B*/* costs to run
The Sub-Zero DEU2450B*/* is certified by ENERGY STAR at 243 kWh a year, one of the cheaper models in its category to run among refrigerators currently certified.
The $46 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Where this ranks
That's 37% below the refrigerator category average of 386 kWh/yr, and ranks 994 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 $27/year under 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 Hisense FV10C7HSE ($46/yr, 243 kWh/yr), and one step pricier is ELEMENT EUF17CE** ($46/yr, 244 kWh/yr).
Comparing Sub-Zero's own models
Sub-Zero makes 26 ENERGY STAR certified refrigerators; this one ranks 10 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
NAHB's Study of Life Expectancy of Home Components puts a typical refrigerator's service life at 13 years; run the Sub-Zero DEU2450B*/* that long and it costs about $594 in electricity, on top of whatever it cost to buy.
Weighing a replacement
The Sub-Zero DEU2450B*/* is already efficient for its category at $46/year. If you're shopping and comparing options, this is roughly what a well-chosen new refrigerator costs to run.
Worth comparing a few current certified models before deciding.
Protecting what you have
Whether or not the Sub-Zero DEU2450B*/* ever needs replacing, a repair is the more common failure for a refrigerator, one a protection plan budgets for ahead of time.
The data behind this page
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. At rank 994 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.