Sub-Zero DET3050R**/*: running cost
ENERGY STAR certifies the Sub-Zero DET3050R**/* at 324 kWh/yr, cheaper than most models in its category to run for its category.
The $61 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Sub-Zero DET3050R**/* against the category
That's 16.1% below the refrigerator category average of 386 kWh/yr, and ranks 2,041 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 $12/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
Amana AMAR46TS1E ($61/yr, 325 kWh/yr) costs a little more to run than the Sub-Zero DET3050R**/*. Commercial Cool CCRR4LB ($61/yr, 324 kWh/yr) costs a little less.
Same brand, different models
Sub-Zero makes 26 ENERGY STAR certified refrigerators; this one ranks 12 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.
What this adds up to over time
13 years is NAHB's typical service life for this category; at $61/year, the Sub-Zero DET3050R**/* adds up to about $792 in electricity over that span.
Weighing a replacement
The Sub-Zero DET3050R**/* is already efficient for its category at $61/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
$61/year to run is the predictable cost of the Sub-Zero DET3050R**/*; a protection plan covers the unpredictable one, a repair bill.
Sourcing
Nothing here is estimated from a nameplate wattage; the 324 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 2,041 of 4,704, the Sub-Zero DET3050R**/* sits in the middle of the refrigerator category, see the guide to why your state changes this number for the other half of the math.