Sub-Zero CL4850S/S/*: $157 a year to run
This model (Refrigerators) uses 746 kWh of electricity a year, which costs about $157 a year and $1,568 over 10 years at 21.0¢/kWh.
Energy use
746 kWh
per year
Running cost per year
$157
21.0¢/kWh
Running cost over 10 years
$1,568
Efficiency rank
4,566 / 4,667
10 % less energy than the federal minimum standard.
Product details
| Type | Side-by-Side |
|---|---|
| Total volume (cu ft) | 29.1 |
| Adjusted volume (cu ft) | 37.0 |
| Refrigerant | R-600a |
| Federal standard (kWh/year) | 820 |
| ENERGY STAR Most Efficient | No |
| Available since | July 1, 2024 |
Compared with the average model (Refrigerators), this one costs about $76 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| VIKING FDSB5483***** | 715 | $150 |
| VIKING VCSB5483***** | 715 | $150 |
| VIKING FDSB5423***** | 706 | $148 |
| VIKING VCSB5423***** | 706 | $148 |
| LG LHSXS2706* | 694 | $146 |
| LG LRSOS2706* | 694 | $146 |
| LG LRSVS2706* | 694 | $146 |
| Samsung RS27T5561** | 691 | $145 |
- 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