Noritz ME120HPT-CN 80-Gallon vs Noritz ME50HPT-CN 50-Gallon
The Noritz ME50HPT-CN 50-Gallon is the more efficient unit: UEF 3.46 versus 3.38 — about 2% less energy for the same hot water. At national average rates that works out to about $159/year for the Noritz ME50HPT-CN 50-Gallon against $249/year for the Noritz ME120HPT-CN 80-Gallon — a $90 annual difference. The Noritz ME120HPT-CN 80-Gallon delivers more hot water in the peak hour (105 gal first-hour rating vs 58 gal).
| Noritz ME120HPT-CN 80-Gallon | Noritz ME50HPT-CN 50-Gallon | |
|---|---|---|
| Uniform Energy Factor (UEF) | 3.38 | 3.46 |
| Fuel | Electric | Electric |
| First-hour rating | 105 gal | 58 gal |
| Rated storage volume | 109 gal | 47 gal |
| Draw pattern | High | Medium |
| Annual electricity use | 1467 kWh/yr | 938 kWh/yr |
| Heat pump type | 240 Volt Integrated HPWH | 240 Volt Integrated HPWH |
| Input voltage | 240 | 240 |
| Max current draw | 23 A | 23 A |
| Recovery efficiency | 355 % | 373 % |
| Smart / connected capable | No | No |
| Refrigerant (GWP) | R-134a (GWP:1430) | R-134a (GWP:1430) |
| Compressor low-temp cutoff | 35 °F | 35 °F |
| Height | 84.5 in | 58.3 in |
| Diameter | 30 in | 28 in |
| ENERGY STAR certified | Yes | Yes |
Frequently asked questions
Which costs less to run, the Noritz ME120HPT-CN 80-Gallon or the Noritz ME50HPT-CN 50-Gallon?
The Noritz ME50HPT-CN 50-Gallon: about $159/year versus $249/year for the Noritz ME120HPT-CN 80-Gallon at national average rates — a $90 annual difference.
Are the Noritz ME120HPT-CN 80-Gallon and Noritz ME50HPT-CN 50-Gallon both ENERGY STAR certified?
Yes — every water heater in this database is drawn from the U.S. EPA ENERGY STAR certified water heater datasets.