Sub-Zero DEU2450CI/*: $86 a year to run
This model (Refrigerators) uses 408 kWh of electricity a year, which costs about $86 a year and $857 over 10 years at 21.0¢/kWh.
Energy use
408 kWh
per year
Running cost per year
$86
21.0¢/kWh
Running cost over 10 years
$857
Efficiency rank
2,997 / 4,667
21 % less energy than the federal minimum standard.
Product details
| Type | Compact Refrigerator |
|---|---|
| Total volume (cu ft) | 4.8 |
| Adjusted volume (cu ft) | 6.1 |
| Refrigerant | R-600a |
| Federal standard (kWh/year) | 495 |
| ENERGY STAR Most Efficient | No |
| Available since | May 1, 2021 |
Compared with the average model (Refrigerators), this one costs about $5 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Avanti FF7B0W | 393 | $83 |
| Avanti FF7B3S | 393 | $83 |
| upstreman TM71-*** | 393 | $83 |
| Avanti FF7B** | 391 | $82 |
| Danby DFF070B2BSLDB-6 | 391 | $82 |
| Premium Levella PRN7105HW | 391 | $82 |
| Premium Levella PRN7106HS | 391 | $82 |
| Summit FF8*** | 391 | $82 |
- 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