Sub-Zero ID-24F Running Cost (Freezer)
What the Sub-Zero ID-24F costs to run
The Sub-Zero ID-24F is certified by ENERGY STAR at 377 kWh a year, about average for its category to run among freezers currently certified.
The $71 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Sub-Zero ID-24F against the category
That's 6% below the freezer category average of 401 kWh/yr, and ranks 206 of 658 certified freezers for annual running cost, 1 being cheapest. The category average comes from every freezer ENERGY STAR currently certifies (658 models), not an outside benchmark, about $5/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
Sub-Zero ID-24FI ($71/yr, 377 kWh/yr) costs a little more to run than the Sub-Zero ID-24F. Marvel MPFZ24-SS1A ($69/yr, 369 kWh/yr) costs a little less.
Within the Sub-Zero lineup
Sub-Zero makes 8 ENERGY STAR certified freezers; this one ranks 2 of 8 for running cost, between the brand's cheapest, the ID-30F at $67/yr, and its priciest, the CL3650F/S// at $120/yr.
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.
Weighing a replacement
The Sub-Zero ID-24F is already efficient for its category at $71/year. If you're shopping and comparing options, this is roughly what a well-chosen new freezer costs to run.
Compare current ENERGY STAR certified freezers before buying.
Protecting what you have
$71/year to run is the predictable cost of the Sub-Zero ID-24F; a protection plan covers the unpredictable one, a repair bill.
Sourcing
Ranked 206 of 658, the Sub-Zero ID-24F 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. The 377 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.