Running cost for the Stirling S4-100SS
ENERGY STAR certifies the Stirling S4-100SS at 134 kWh/yr, one of the cheaper models in its category to run for its category.
That $25 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.
How the Stirling S4-100SS compares to other refrigerators
Against the category average of 386 kWh/yr, this model uses 65.3% less, ranking 73 of 4,704 refrigerators tracked here for running cost. 4,704 certified refrigerators, one average, about $47/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Stirling S4-100SS on that list: Stirling S4-100PANR ($25/yr, 134 kWh/yr) runs slightly less, while Stirling S4-125PANR ($25/yr, 134 kWh/yr) runs slightly more.
Within the Stirling lineup
Ranked 2 of Stirling's 11 certified refrigerators, this sits between the S4-100PANR ($25/yr, the brand's cheapest) and the S4-D250SS ($25/yr, its priciest).
Stirling S4-100SS over 13 years
Over the 13-year service life NAHB reports for this category, running the Stirling S4-100SS costs roughly $327 in electricity, separate from the purchase price.
Is it worth replacing?
Efficient as certified refrigerators go, $25/year is a reasonable baseline if you're comparing what else is on the market.
Compare current ENERGY STAR certified refrigerators before buying.
If you're keeping it
At $25/year just to run, a refrigerator is worth protecting against an unplanned repair bill on top of that.
How this was checked
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 134 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.