Sub-Zero DEC3650R**/*: $76 a year to run
This model (Refrigerators) uses 362 kWh of electricity a year, which costs about $76 a year and $761 over 10 years at 21.0¢/kWh.
Energy use
362 kWh
per year
Running cost per year
$76
21.0¢/kWh
Running cost over 10 years
$761
Efficiency rank
2,544 / 4,667
10 % less energy than the federal minimum standard.
Product details
| Type | Freezerless and Single Door |
|---|---|
| Total volume (cu ft) | 21.7 |
| Adjusted volume (cu ft) | 21.7 |
| Refrigerant | R-600a |
| Federal standard (kWh/year) | 403 |
| ENERGY STAR Most Efficient | No |
| Available since | September 26, 2022 |
Compared with the average model (Refrigerators), this one saves about $5 a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Jenn-Air JBRF*36IGX** | 360 | $76 |
| Monogram ZIR361NBR**** | 358 | $75 |
| Monogram ZIR361NPR**** | 358 | $75 |
| Fhiaba S360FR3DU | 355 | $75 |
| Fhiaba S360FR6DU | 355 | $75 |
| VIKING RANGE,LLC FDREIC7360L | 355 | $75 |
| VIKING RANGE,LLC FDREIC7360R | 355 | $75 |
| Sub-Zero DET3650R**/* | 353 | $74 |
- 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