Sub-Zero ID-30C: $79 a year to run
This model (Refrigerators) uses 374 kWh of electricity a year, which costs about $79 a year and $786 over 10 years at 21.0¢/kWh.
Energy use
374 kWh
per year
Running cost per year
$79
21.0¢/kWh
Running cost over 10 years
$786
Efficiency rank
2,762 / 4,667
10 % less energy than the federal minimum standard.
Product details
| Type | Compact Refrigerator |
|---|---|
| Total volume (cu ft) | 5.0 |
| Adjusted volume (cu ft) | 6.5 |
| Refrigerant | R-600a |
| Federal standard (kWh/year) | 416 |
| ENERGY STAR Most Efficient | No |
| Available since | September 1, 2013 |
Compared with the average model (Refrigerators), this one saves about $2 a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Summit FF712W | 359 | $75 |
| Summit FF713B | 359 | $75 |
| Summit FF714SS | 359 | $75 |
| Summit LRF712W | 359 | $75 |
| Summit LRF713B | 359 | $75 |
| Summit LRF714SS | 359 | $75 |
| Galanz GLR74BRDR12 | 354 | $74 |
| Galanz GLR74B**E04 | 350 | $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