Whirlpool WRTX4518T*: $95 a year to run
This model (Refrigerators) uses 450 kWh of electricity a year, which costs about $95 a year and $946 over 10 years at 21.0¢/kWh.
Energy use
450 kWh
per year
Running cost per year
$95
21.0¢/kWh
Running cost over 10 years
$946
Efficiency rank
3,182 / 4,667
11 % less energy than the federal minimum standard.
Product details
| Type | Top Freezer |
|---|---|
| Total volume (cu ft) | 18.2 |
| Adjusted volume (cu ft) | 21.7 |
| Federal standard (kWh/year) | 493 |
| ENERGY STAR Most Efficient | Yes |
| Available since | September 15, 2026 |
Compared with the average model (Refrigerators), this one costs about $14 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Conserv TMRI 180S | 448 | $94 |
| Kenmore 7231# | 448 | $94 |
| Kenmore 899.7231#32# | 448 | $94 |
| Premium Levella PRNIM18***** | 448 | $94 |
| Samsung RT18M62*5** | 448 | $94 |
| VITARA VTFR1802EI*E | 448 | $94 |
| Frigidaire FFHI1832T* | 447 | $94 |
| Bevoi BVIREF18W | 446 | $94 |
- 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