Sub-Zero ID-24FI Running Cost (Freezer)
What the Sub-Zero ID-24FI costs to run
At 377 kWh/yr, the Sub-Zero ID-24FI's ENERGY STAR certification puts it about average for its category to run against every other certified freezer.
That $71 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 Sub-Zero ID-24FI compares to other freezers
Against the category average of 401 kWh/yr, this model uses 6% less, ranking 207 of 658 freezers tracked here for running cost. 658 certified freezers, one average, about $5/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Sub-Zero ID-24FI on that list: Sub-Zero ID-24F ($71/yr, 377 kWh/yr) runs slightly less, while Fisher & Paykel RS2474F3# ($71/yr, 379 kWh/yr) runs slightly more.
Same brand, different models
Ranked 3 of Sub-Zero's 8 certified freezers, this sits between the ID-30F ($67/yr, the brand's cheapest) and the CL3650F/S// ($120/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.
Shopping for a new one
Efficient as certified freezers go, $71/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
$71/year to run is the predictable cost of the Sub-Zero ID-24FI; a protection plan covers the unpredictable one, a repair bill.
How this was checked
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 377 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.