Noritz 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 |
|---|---|---|
| Noritz NHP-50-240 | 844 | $177 |
| Noritz NHP50 | 938 | $197 |
| Noritz NHP65 | 974 | $205 |
| Noritz NHP-80-240 | 1,148 | $241 |
| Noritz NHP80 | 1,424 | $299 |
| Noritz NHP120 | 1,467 | $308 |
- 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