Sub-Zero CL3650F/S// Running Cost (Freezer)
Sub-Zero CL3650F/S//: running cost
The Sub-Zero CL3650F/S// is certified by ENERGY STAR at 640 kWh a year, one of the more expensive models in its category to run among freezers currently certified.
That $120 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 CL3650F/S// compares to other freezers
The category average is 401 kWh/yr; this model runs 59.6% above it, ranking 656 of 658 freezers tracked here for running cost. 658 certified freezers, one average, about $45/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Sub-Zero CL3650F/S// on that list: VIKING RANGE,LLC FDFZIC7360R ($119/yr, 632 kWh/yr) runs slightly less, while Monogram ZIF361NBR ($122/yr, 649 kWh/yr) runs slightly more.
Same brand, different models
Of the 8 ENERGY STAR certified freezers Sub-Zero makes, the CL3650F/S// costs the most to run, $53/year more than Sub-Zero's cheapest, the ID-30F.
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?
At $120/year, this is on the expensive side for a freezer; the cheapest certified model in this category runs about $26/year, worth knowing before buying either the Sub-Zero CL3650F/S// or its replacement.
See what else is certified in this category before you decide.
If you're keeping it
A freezer like the Sub-Zero CL3650F/S// is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
How this was checked
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. The Sub-Zero CL3650F/S// is among the most expensive freezers tracked here to run, see the full Freezer category page for cheaper alternatives. Before assuming a swap is worth it, the guide to when replacing one actually pays off covers the payback math.