Sub-Zero DEC3050FI/*: $118 a year to run
This model (Freezers) uses 561 kWh of electricity a year, which costs about $118 a year and $1,179 over 10 years at 21.0¢/kWh.
Energy use
561 kWh
per year
Running cost per year
$118
21.0¢/kWh
Running cost over 10 years
$1,179
Efficiency rank
628 / 662
10 % less energy than the federal minimum standard.
Product details
| Type | Upright Freezer |
|---|---|
| Total volume (cu ft) | 15.5 |
| Adjusted volume (cu ft) | 27.3 |
| Refrigerant | R-600a |
| Federal standard (kWh/year) | 614 |
| ENERGY STAR Most Efficient | No |
| Available since | September 26, 2022 |
Compared with the average model (Freezers), this one costs about $34 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Dacor DRZ30980*** | 550 | $116 |
| Signature Kitchen Suite SKSCF3001* | 550 | $116 |
| SKS SKSCF3001* | 550 | $116 |
| Cafe CME19LB*Z*** | 549 | $115 |
| GE Profile PME19LB*Z*** | 549 | $115 |
| Gaggenau RF491704 | 543 | $114 |
| Miele F 2901 Vi | 543 | $114 |
| Miele F 2911 SF | 543 | $114 |
- Refrigerators
- 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