Professional Series PS-CRF979US-IN: running cost
ENERGY STAR certifies the Professional Series PS-CRF979US-IN at 328 kWh/yr, cheaper than most models in its category to run for its category.
That $62 is priced at 18.8¢/kWh, the average of all 51 state rates this site tracks. Your own state's rate is one click away.
Efficient, or not, for a refrigerator
Against the category average of 386 kWh/yr, this model uses 15% less, ranking 2,134 of 4,704 refrigerators tracked here for running cost. That average is drawn from all 4,704 refrigerators ENERGY STAR currently certifies, not an outside number, a $11/year gap from this model at the national rate. Full sourcing is in the sourcing notes.
Right next to it on the list
A rank or two either side of the Professional Series PS-CRF979US-IN: Professional Series PS-CRF972US-IN ($62/yr, 328 kWh/yr), then Arctic King ARM45D5*** ($62/yr, 329 kWh/yr).
Comparing Professional Series's own models
Ranked 17 of Professional Series's 21 certified refrigerators, this sits between the PS-CRF901US-IN ($38/yr, the brand's cheapest) and the PS-FRF192 ($118/yr, its priciest).
Professional Series PS-CRF979US-IN over 13 years
NAHB's Study of Life Expectancy of Home Components puts a typical refrigerator's service life at 13 years; run the Professional Series PS-CRF979US-IN that long and it costs about $802 in electricity, on top of whatever it cost to buy.
Is it worth replacing?
Efficient as certified refrigerators go, $62/year is a reasonable baseline if you're comparing what else is on the market.
See what else is certified in this category before you decide.
If you're keeping it
Whether or not the Professional Series PS-CRF979US-IN ever needs replacing, a repair is the more common failure for a refrigerator, one a protection plan budgets for ahead of time.
Where this number comes from
Ranked 2,134 of 4,704, the Professional Series PS-CRF979US-IN 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. The 328 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.