Appliances / Refrigerators / Sub-Zero
Sub-Zero CL3650U**/S/*/* family: $108 a year to run
This refrigerator uses 596 kWh of electricity a year. At the U.S. average price that is $108 a year and $1,301 over a typical 12-year life. It ranks #894 of 1422 bottom freezer models for running cost.
- Price. Check what it costs at the store (links below).
- Plus running cost. Add $1,301 of electricity over 12 years. That is the part the price tag hides.
- Compare. Pick your state to see your real number, then check the cheaper-to-run models of the same size.
Where to buy
Compare the price, then add the running cost below to get the true cost.
Cost to run where you live
596 kWh a year (ENERGY STAR test figure) × 18.19¢ per kWh, the average residential price in the U.S. for Jan–Aug 2026 (EIA). Your bill depends on your utility and how you use it.
Cheaper to run, same type and size
Or see every medium (18 to 23 cu ft) model ranked.
| Fisher & Paykel RF178WRNX1 | 18.2 cu ft | $68/yr | saves $489 |
| Fisher & Paykel RF178ANX1 | 18 cu ft | $75/yr | saves $402 |
| Summit FFBF151W | 19.1 cu ft | $78/yr | saves $365 |
| Summit FFBF152PL | 19.1 cu ft | $78/yr | saves $365 |
Specs
| Brand | Sub-Zero |
| Model | CL3650U**/S/*/* |
| Type | Bottom Freezer |
| Energy use | 596 kWh / year |
| Federal maximum for this type | 653 kWh / year |
| Width | 36 in |
| Features | Ice maker, Counter depth |
Specs and energy use from the ENERGY STAR certified products list (U.S. EPA). An asterisk in a model number stands for colour or finish codes. HouseholdLeak is not affiliated with ENERGY STAR or the EPA.
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