Sub-Zero CL3650F/S/*/*: $135 a year to run
This model (Freezers) uses 640 kWh of electricity a year, which costs about $135 a year and $1,345 over 10 years at 21.0¢/kWh.
Energy use
640 kWh
per year
Running cost per year
$135
21.0¢/kWh
Running cost over 10 years
$1,345
Efficiency rank
660 / 662
10 % less energy than the federal minimum standard.
Product details
| Type | Upright Freezer |
|---|---|
| Total volume (cu ft) | 20.6 |
| Adjusted volume (cu ft) | 36.2 |
| Refrigerant | R-600a |
| Federal standard (kWh/year) | 702 |
| ENERGY STAR Most Efficient | No |
| Available since | November 4, 2022 |
Compared with the average model (Freezers), this one costs about $50 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Fhiaba S360FZ3IU | 632 | $133 |
| Fhiaba S360FZ6IU | 632 | $133 |
| VIKING RANGE,LLC FDFZIC7360L | 632 | $133 |
| VIKING RANGE,LLC FDFZIC7360R | 632 | $133 |
| Bertazzoni REF36FCBIPNP | 630 | $132 |
| Elica EC36SLA20IPR | 630 | $132 |
| FULGOR MILANO FM6CF36IFBI | 630 | $132 |
| FULGOR MILANO FM7CF36IFBI | 630 | $132 |
- Refrigerators
- Washing machines
- Dishwashers
- Tumble dryers
- Room air conditioners
- Dehumidifiers
- Water heaters
- Electric cooktops and ranges
- Televisions
- Computers
- Air purifiers
Source: ENERGY STAR (U.S. EPA) · 21.0¢/kWh (August 2026) · Methodology