Navien NWP500 65-Gallon vs Richmond Heat Pump 80-Gallon (10E80-HP5US30)
The Richmond Heat Pump 80-Gallon (10E80-HP5US30) is the more efficient unit: UEF 4.07 versus 4.03 — about 1% less energy for the same hot water. At national average rates that works out to about $206/year for the Richmond Heat Pump 80-Gallon (10E80-HP5US30) against $212/year for the Navien NWP500 65-Gallon — a $6 annual difference. The Richmond Heat Pump 80-Gallon (10E80-HP5US30) delivers more hot water in the peak hour (87 gal first-hour rating vs 80 gal).
| Navien NWP500 65-Gallon | Richmond Heat Pump 80-Gallon (10E80-HP5US30) | |
|---|---|---|
| Uniform Energy Factor (UEF) | 4.03 | 4.07 |
| Fuel | Electric | Electric |
| First-hour rating | 80 gal | 87 gal |
| Rated storage volume | 61 gal | 72 gal |
| Draw pattern | High | High |
| Annual electricity use | 1245 kWh/yr | 1213 kWh/yr |
| Heat pump type | 240 Volt Integrated HPWH | 240 Volt Integrated HPWH |
| Input voltage | 240 | 240 |
| Max current draw | 23 A | 21 A |
| Recovery efficiency | 433 % | 447 % |
| Smart / connected capable | No | No |
| Refrigerant (GWP) | R-134a (GWP:1430) | R-134a (GWP:1430) |
| Compressor low-temp cutoff | 41 °F | 37 °F |
| Height | 63 in | 74.2 in |
| Diameter | 25 in | 24.3 in |
| ENERGY STAR certified | Yes | Yes |
Frequently asked questions
Which costs less to run, the Navien NWP500 65-Gallon or the Richmond Heat Pump 80-Gallon (10E80-HP5US30)?
The Richmond Heat Pump 80-Gallon (10E80-HP5US30): about $206/year versus $212/year for the Navien NWP500 65-Gallon at national average rates — a $6 annual difference.
Are the Navien NWP500 65-Gallon and Richmond Heat Pump 80-Gallon (10E80-HP5US30) both ENERGY STAR certified?
Yes — every water heater in this database is drawn from the U.S. EPA ENERGY STAR certified water heater datasets.