Running cost for the Whirlpool WRFF3136SZ
At 645 kWh/yr, the Whirlpool WRFF3136SZ's ENERGY STAR certification puts it one of the more expensive models in its category to run against every other certified refrigerator.
That $121 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 Whirlpool WRFF3136SZ compares to other refrigerators
The category average is 386 kWh/yr; this model runs 67.1% above it, ranking 4,269 of 4,704 refrigerators tracked here for running cost. 4,704 certified refrigerators, one average, about $49/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Whirlpool WRFF3136SZ on that list: Whirlpool WRFF3136SW ($121/yr, 645 kWh/yr) runs slightly less, while Whirlpool WRFF3336SB ($121/yr, 645 kWh/yr) runs slightly more.
Comparing Whirlpool's own models
Ranked 108 of Whirlpool's 156 certified refrigerators, this sits between the AMA27S1E ($40/yr, the brand's cheapest) and the WRF995FIF*** ($142/yr, its priciest).
What this adds up to over time
NAHB's Study of Life Expectancy of Home Components puts a typical refrigerator's service life at 13 years; run the Whirlpool WRFF3136SZ that long and it costs about $1,576 in electricity, on top of whatever it cost to buy.
Is it worth replacing?
The Whirlpool WRFF3136SZ runs above its category average. If the refrigerator you actually own is older still, likely well past ENERGY STAR's efficiency baseline when it was made, a current certified model could cost meaningfully less than this model's $121/year every year.
Compare current ENERGY STAR certified refrigerators before buying.
If you're keeping it
$121/year to run is the predictable cost of the Whirlpool WRFF3136SZ; a protection plan covers the unpredictable one, a repair bill.
How this was checked
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. 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.