Sub-Zero CL3650U**/S/*/*: $125 a year to run
This model (Refrigerators) uses 596 kWh of electricity a year, which costs about $125 a year and $1,253 over 10 years at 21.0¢/kWh.
Energy use
596 kWh
per year
Running cost per year
$125
21.0¢/kWh
Running cost over 10 years
$1,253
Efficiency rank
3,997 / 4,667
10 % less energy than the federal minimum standard.
Product details
| Type | Bottom Freezer |
|---|---|
| Total volume (cu ft) | 20.8 |
| Adjusted volume (cu ft) | 24.7 |
| Refrigerant | R-600a |
| Federal standard (kWh/year) | 653 |
| ENERGY STAR Most Efficient | No |
| Available since | November 4, 2022 |
Compared with the average model (Refrigerators), this one costs about $45 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Gaggenau RVB497790 | 595 | $125 |
| Miele KFMC 3642 L | 595 | $125 |
| Miele KFMC 3642 R | 595 | $125 |
| KOOLMORE KM-RERFDSSI-22 | 593 | $125 |
| Sub-Zero DET3650CI**/* | 593 | $125 |
| Avanti FFFD22IWR3S | 590 | $124 |
| COSMO COS-FDR223GWSS | 590 | $124 |
| Crosley CFDNH2216AS | 590 | $124 |
- Freezers
- 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