SANCO2 Water heaters: energy use and running cost
The average model uses 1,080 kWh a year, which costs $227 a year at 21.0¢/kWh.
Most efficient models
| Model | kWh/year | Cost/year |
|---|---|---|
| SANCO2 GS5-45HPC HP + ECO-43SSAQB | 868 | $182 |
| SANCO2 GS5-45HPC-D HP + ECO-43SSAQB | 868 | $182 |
| SANCO2 GS5-45HPC HP + ECO-83SSAQB | 1,313 | $276 |
| SANCO2 GS5-45HPC-D HP + ECO-83SSAQB | 1,313 | $276 |
| SANCO2 GS5-45HPC HP + ECO-119GLBK | 1,333 | $280 |
| SANCO2 GS5-45HPC-D HP + ECO-119GLBK | 1,333 | $280 |
- Refrigerators
- Freezers
- Washing machines
- Dishwashers
- Tumble dryers
- Room air conditioners
- Dehumidifiers
- Electric cooktops and ranges
- Televisions
- Computers
- Air purifiers
Source: ENERGY STAR (U.S. EPA) · 21.0¢/kWh (August 2026) · Methodology