Sub-Zero DEU2450RO/*: $35 a year to run
This model (Refrigerators) uses 168 kWh of electricity a year, which costs about $35 a year and $353 over 10 years at 21.0¢/kWh.
Energy use
168 kWh
per year
Running cost per year
$35
21.0¢/kWh
Running cost over 10 years
$353
Efficiency rank
174 / 4,667
46 % less energy than the federal minimum standard.
Product details
| Type | Compact Refrigerator |
|---|---|
| Total volume (cu ft) | 5.4 |
| Adjusted volume (cu ft) | 5.4 |
| Refrigerant | R-600a |
| Federal standard (kWh/year) | 309 |
| ENERGY STAR Most Efficient | Yes |
| Available since | May 1, 2021 |
Compared with the average model (Refrigerators), this one saves about $45 a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Arctic King AU83ETWBR1RCM | 167 | $35 |
| DOMETIC C40G1 | 162 | $34 |
| DOMETIC C40G2 | 162 | $34 |
| Sub-Zero DEU2450R/ADA/* | 159 | $33 |
| Frigidaire EFR107-B-WHITE | 158 | $33 |
| Frigidaire EFR107-WHITE | 158 | $33 |
| Frigidaire EFR115-B-BLACK | 158 | $33 |
| Frigidaire EFR115-B-RED | 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