WattCost

Data through April 2026

Freezers · 8 certified models

Sub-Zero

This data covers 8 certified Sub-Zero — annual running costs span $67 to $121 at national-average rates (median $86; the whole-category median is $79).

All certified models

Sub-Zero, ranked by certified annual kWh
#ModelkWh/yr$/yr (US avg)
1Sub-Zero ID-30F356$67
2Sub-Zero ID-24F377$71
3Sub-Zero ID-24FI377$71
4Sub-Zero ID-30FI399$75
5Sub-Zero DEC2450FI512$96
6Sub-Zero DEC3050FI561$106
7Sub-Zero DEC3650FI621$117
8Sub-Zero CL3650F/S640$121

Other brand facets

Questions, answered with the data

How much does it cost to run Sub-Zero freezers?
Among 8 certified models in this data, Sub-Zero freezers cost $67 to $121 a year to run at the U.S. average electricity rate (18.8¢/kWh) — a median of $86.
Do Sub-Zero freezers cost more or less than the average freezer?
The median model here runs $86 a year, 9% more than the $79 median across all certified freezers.
What's the cheapest model among Sub-Zero freezers?
The Sub-Zero ID-30F costs about $67 a year at the U.S. average rate (356 kWh/yr) — the lowest certified figure in this group.
What does the certified annual-kWh figure assume for freezers?
The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures.

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