What the Insignia NS-UZ70WH27 costs to run
At 296 kWh/yr, the Insignia NS-UZ70WH27's ENERGY STAR certification puts it one of the cheaper models in its category to run against every other certified freezer.
That $56 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 26.2% less, ranking 135 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 $20/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 Insignia NS-UZ70WH27: Insignia NS-UZ70SS4-C ($56/yr, 296 kWh/yr), then Insignia NS-UZ70WH27-C ($56/yr, 296 kWh/yr).
Within the Insignia lineup
Ranked 4 of Insignia's 27 certified freezers, this sits between the NS-UZ70SS27 ($56/yr, the brand's cheapest) and the NS-UZ21WH0* ($93/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, $56/year is a reasonable baseline if you're comparing what else is on the market.
Worth comparing a few current certified models before deciding.
If you're keeping it
Whether or not the Insignia NS-UZ70WH27 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
The full Freezer category page shows all 658 freezers ranked by cost; the state-rate guide covers the half of this number that isn't the appliance. The 296 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.