What the Sub-Zero DEU2450R/* costs to run
The Sub-Zero DEU2450R/* is certified by ENERGY STAR at 168 kWh a year, one of the cheaper models in its category to run among refrigerators currently certified.
The $32 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Where this ranks
That's 56.5% below the refrigerator category average of 386 kWh/yr, and ranks 172 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 $41/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 Arctic King AU83ETWBR1RCM ($31/yr, 167 kWh/yr), and one step pricier is Sub-Zero DEU2450RO/* ($32/yr, 168 kWh/yr).
Comparing Sub-Zero's own models
Sub-Zero makes 26 ENERGY STAR certified refrigerators; this one ranks 2 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 DEU2450R/* costs roughly $411 in electricity, separate from the purchase price.
Shopping for a new one
The Sub-Zero DEU2450R/* is already efficient for its category at $32/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 DEU2450R/* 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
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 168 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.