Hisense RT21N3**E: $100 a year to run
This model (Refrigerators) uses 478 kWh of electricity a year, which costs about $100 a year and $1,005 over 10 years at 21.0¢/kWh.
Energy use
478 kWh
per year
Running cost per year
$100
21.0¢/kWh
Running cost over 10 years
$1,005
Efficiency rank
3,425 / 4,667
10 % less energy than the federal minimum standard.
Product details
| Type | Top Freezer |
|---|---|
| Total volume (cu ft) | 21.2 |
| Adjusted volume (cu ft) | 25.3 |
| Federal standard (kWh/year) | 522 |
| ENERGY STAR Most Efficient | Yes |
| Available since | February 28, 2026 |
Compared with the average model (Refrigerators), this one costs about $20 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| BLACK DECKER BR2010JIMB | 473 | $99 |
| BLACK DECKER BR2010JIMS | 473 | $99 |
| BLACK DECKER BR2010JIMW | 473 | $99 |
| LG LTCS20030 | 471 | $99 |
| Kenmore 7133# | 469 | $99 |
| Kenmore 899.7133#32# | 469 | $99 |
| Premium Levella PRNIM20***** | 469 | $99 |
| VITARA VTFR2101EI*E | 469 | $99 |
- 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