Sub-Zero DEU2450R/ADA/*: $33 a year to run
This model (Refrigerators) uses 159 kWh of electricity a year, which costs about $33 a year and $334 over 10 years at 21.0¢/kWh.
Energy use
159 kWh
per year
Running cost per year
$33
21.0¢/kWh
Running cost over 10 years
$334
Efficiency rank
163 / 4,667
48 % less energy than the federal minimum standard.
Product details
| Type | Compact Refrigerator |
|---|---|
| Total volume (cu ft) | 5.0 |
| Adjusted volume (cu ft) | 5.0 |
| Refrigerant | R-600a |
| Federal standard (kWh/year) | 305 |
| ENERGY STAR Most Efficient | Yes |
| Available since | January 2, 2022 |
Compared with the average model (Refrigerators), this one saves about $47 a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Frigidaire EFR107-B-WHITE | 158 | $33 |
| Frigidaire EFR107-WHITE | 158 | $33 |
| Frigidaire EFR115-B-BLACK | 158 | $33 |
| Frigidaire EFR115-B-RED | 158 | $33 |
| Frigidaire EFR115-C-RED-COM | 158 | $33 |
| Frigidaire EFR177-B-BLUE | 158 | $33 |
| Frigidaire EFR177-B-RED | 158 | $33 |
| Frigidaire EFR180 | 158 | $33 |
- 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