Sub-Zero DET3650R**/*: $74 a year to run
This model (Refrigerators) uses 353 kWh of electricity a year, which costs about $74 a year and $742 over 10 years at 21.0¢/kWh.
Energy use
353 kWh
per year
Running cost per year
$74
21.0¢/kWh
Running cost over 10 years
$742
Efficiency rank
2,466 / 4,667
10 % less energy than the federal minimum standard.
Product details
| Type | Freezerless and Single Door |
|---|---|
| Total volume (cu ft) | 20.4 |
| Adjusted volume (cu ft) | 20.4 |
| Refrigerant | R-600a |
| Federal standard (kWh/year) | 392 |
| ENERGY STAR Most Efficient | No |
| Available since | November 18, 2022 |
Compared with the average model (Refrigerators), this one saves about $7 a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| BENESSI BKR36P | 345 | $73 |
| Bertazzoni REF36RCBPNP | 345 | $73 |
| Elica EC36SRN20IPR | 345 | $73 |
| FULGOR MILANO FM6CR36FBI | 345 | $73 |
| FULGOR MILANO FM7CR36FBI | 345 | $73 |
| HALLMAN HRBIAR36PR | 345 | $73 |
| HESTAN KRCR36 | 345 | $73 |
| ILVE URFC36SNWPRY | 345 | $73 |
- 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