Marathon MFF122W: running cost
At 315 kWh/yr, the Marathon MFF122W's ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified refrigerator.
That $59 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 Marathon MFF122W compares to other refrigerators
Against the category average of 386 kWh/yr, this model uses 18.4% less, ranking 1,912 of 4,704 refrigerators tracked here for running cost. 4,704 certified refrigerators, one average, about $13/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Marathon MFF122W on that list: Marathon MFF122SS ($59/yr, 315 kWh/yr) runs slightly less, while Marathon MFF122WLH ($59/yr, 315 kWh/yr) runs slightly more.
Same brand, different models
Ranked 27 of Marathon's 57 certified refrigerators, this sits between the M4-100BLS ($25/yr, the brand's cheapest) and the MFF208WFD-2 ($87/yr, its priciest).
What this adds up to over time
13 years is NAHB's typical service life for this category; at $59/year, the Marathon MFF122W adds up to about $770 in electricity over that span.
Is it worth replacing?
Efficient as certified refrigerators go, $59/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
The Marathon MFF122W already costs $59/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
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 315 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.