Running cost for the Insignia NS-UZ70WH27-C
The Insignia NS-UZ70WH27-C is certified by ENERGY STAR at 296 kWh a year, one of the cheaper models in its category to run among freezers currently certified.
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 136 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-C: Insignia NS-UZ70WH27 ($56/yr, 296 kWh/yr), then Insignia NS-UZ70WH4 ($56/yr, 296 kWh/yr).
Within the Insignia lineup
Ranked 5 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.
Compare current ENERGY STAR certified freezers before buying.
If you're keeping it
At $56/year just to run, a freezer is worth protecting against an unplanned repair bill on top of that.
Where this number comes from
Nothing here is estimated from a nameplate wattage; the 296 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 136 of 658, the Insignia NS-UZ70WH27-C sits in the middle of the freezer category, see the guide to why your state changes this number for the other half of the math.