Samsung RT18DG6700**: $94 a year to run
This model (Refrigerators) uses 446 kWh of electricity a year, which costs about $94 a year and $937 over 10 years at 21.0¢/kWh.
Energy use
446 kWh
per year
Running cost per year
$94
21.0¢/kWh
Running cost over 10 years
$937
Efficiency rank
3,164 / 4,667
10 % less energy than the federal minimum standard.
Product details
| Type | Top Freezer |
|---|---|
| Total volume (cu ft) | 17.5 |
| Adjusted volume (cu ft) | 21.0 |
| Refrigerant | R-600a |
| Federal standard (kWh/year) | 487 |
| ENERGY STAR Most Efficient | Yes |
| Available since | June 7, 2024 |
Compared with the average model (Refrigerators), this one costs about $13 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| GE GIE18DTN**** | 443 | $93 |
| GE GIE18GCN**** | 443 | $93 |
| GE GIE18GSN**** | 443 | $93 |
| GE GIE18GTN**** | 443 | $93 |
| LG LT18S1200* | 440 | $92 |
| GE GIE17GSN**** | 436 | $92 |
| GE GTE16DTN**** | 429 | $90 |
| GE GTE16GTN**** | 429 | $90 |
- 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