Sub-Zero ID-30FI Running Cost (Freezer)
Sub-Zero ID-30FI: running cost
The Sub-Zero ID-30FI is certified by ENERGY STAR at 399 kWh a year, about average for its category to run among freezers currently certified.
The $75 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Sub-Zero ID-30FI against the category
That's 0.5% below the freezer category average of 401 kWh/yr, and ranks 321 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 $0/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
GE FUF14DZR ($75/yr, 400 kWh/yr) costs a little more to run than the Sub-Zero ID-30FI. Wood's WUF140W ($75/yr, 398 kWh/yr) costs a little less.
Comparing Sub-Zero's own models
Sub-Zero makes 8 ENERGY STAR certified freezers; this one ranks 4 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.
Is it worth replacing?
The Sub-Zero ID-30FI is already efficient for its category at $75/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
The Sub-Zero ID-30FI already costs $75/year to run; a repair bill on top of that is the kind of expense a protection plan exists to smooth out.
Sourcing
Nothing here is estimated from a nameplate wattage; the 399 kWh/yr is ENERGY STAR's own certified figure for this model. At rank 321 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.