Lochinvar 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 |
|---|---|---|
| Lochinvar HPSA050KD 2** | 831 | $175 |
| Lochinvar CHPA-50 2** | 883 | $186 |
| Lochinvar HPPA050KD 2** | 883 | $186 |
| Lochinvar CHPA-40 2** | 902 | $190 |
| Lochinvar HPA052KD 1** | 902 | $190 |
| Lochinvar HPPA040KD 2** | 902 | $190 |
| Lochinvar LHPCO-45 1**+LXST-50LBTTP 1** | 915 | $192 |
| Lochinvar LHPCO-45 1**+LXST-50S 1** | 923 | $194 |
| Lochinvar LHPCO-45 1**+LXST-50STTP 1** | 923 | $194 |
| Lochinvar LHPCO-45 1**+LXST-50T 1** | 923 | $194 |
| Lochinvar LHPCO-45 1**+LXST-50TTTP 1** | 923 | $194 |
| Lochinvar HPSA065KD 2** | 1,233 | $259 |
| Lochinvar CHPA-80 2** | 1,279 | $269 |
| Lochinvar HPPA080KD 2** | 1,279 | $269 |
| Lochinvar HPSA080KD 2** | 1,279 | $269 |
| Lochinvar CHPA-66 2** | 1,292 | $272 |
| Lochinvar HPPA065KD 2** | 1,292 | $272 |
| Lochinvar LHPCO-45 1**+LXST-80 1** | 1,306 | $274 |
| Lochinvar LHPCO-45 1**+LXST-80TTP 1** | 1,306 | $274 |
| Lochinvar LHPCO-45 1**+LXST-66 1** | 1,341 | $282 |
| Lochinvar LHPCO-45 1**+LXST-66TTP 1** | 1,341 | $282 |
| Lochinvar HPA068KD 1** | 1,381 | $290 |
| Lochinvar HPA082KD 1** | 1,387 | $291 |
| Lochinvar HPV050KD 2** | 1,550 | $326 |
| Lochinvar HPV065KD 2** | 1,550 | $326 |
| Lochinvar HPV080KD 2** | 1,654 | $348 |
- 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