Whirlpool WRTX5421T***: running cost
The Whirlpool WRTX5421T*** is certified by ENERGY STAR at 398 kWh a year, about average for its category to run among refrigerators currently certified.
That $75 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 WRTX5421T*** compares to other refrigerators
The category average is 386 kWh/yr; this model runs 3.1% above it, ranking 2,923 of 4,704 refrigerators tracked here for running cost. 4,704 certified refrigerators, one average, about $2/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Whirlpool WRTX5421T*** on that list: GE GPE12FSZ**** ($75/yr, 398 kWh/yr) runs slightly less, while Whirlpool WRTX7421T*** ($75/yr, 398 kWh/yr) runs slightly more.
Same brand, different models
Ranked 50 of Whirlpool's 156 certified refrigerators, this sits between the AMA27S1E ($40/yr, the brand's cheapest) and the WRF995FIF*** ($142/yr, its priciest).
Cost over its typical lifespan
NAHB's Study of Life Expectancy of Home Components puts a typical refrigerator's service life at 13 years; run the Whirlpool WRTX5421T*** that long and it costs about $973 in electricity, on top of whatever it cost to buy.
Weighing a replacement
Efficient as certified refrigerators go, $75/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
The Whirlpool WRTX5421T*** already costs $75/year to run; a repair bill on top of that is the kind of expense a protection plan exists to smooth out.
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. Ranked 2,923 of 4,704, the Whirlpool WRTX5421T*** 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.