What the U-Line UHFZ124-WS01B costs to run
The U-Line UHFZ124-WS01B is certified by ENERGY STAR at 390 kWh a year, about average for its category to run among freezers currently certified.
That $73 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 freezer
Against the category average of 401 kWh/yr, this model uses 2.7% less, ranking 219 of 658 freezers tracked here for running cost. That average is drawn from all 658 freezers ENERGY STAR currently certifies, not an outside number, a $2/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 U-Line UHFZ124-WS01B: U-Line UHFZ124-SS01B ($73/yr, 390 kWh/yr), then U-Line UOFZ124-SS01B ($73/yr, 390 kWh/yr).
Comparing U-Line's own models
Ranked 6 of U-Line's 7 certified freezers, this sits between the 1224FZRA ($73/yr, the brand's cheapest) and the UOFZ124-SS01B ($73/yr, its priciest).
Lifespan
NAHB's Study of Life Expectancy of Home Components does not publish a figure for freezers, so no lifetime cost is shown here rather than a guessed one. The annual and monthly figures above stand on their own.
Is it worth replacing?
Efficient as certified freezers go, $73/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 U-Line UHFZ124-WS01B ever needs replacing, a repair is the more common failure for a freezer, one a protection plan budgets for ahead of time.
Where this number comes from
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. At rank 219 of 658 for running cost, see the freezer category page for the rest of the field, or the guide to how much your state matters.