Bosch Greentherm (T9900 SE 160) vs Rheem ECOHS160IP
The Rheem ECOHS160IP is the more efficient unit: UEF 0.96 versus 0.95 — about 1% less energy for the same hot water. At national average rates that works out to about $258/year for the Bosch Greentherm (T9900 SE 160) against $519/year for the Rheem ECOHS160IP — a $261 annual difference.
| Bosch Greentherm (T9900 SE 160) | Rheem ECOHS160IP | |
|---|---|---|
| Uniform Energy Factor (UEF) | 0.95 | 0.96 |
| Fuel | Natural Gas, Propane | Propane |
| Max flow rate | 4.6 GPM | 4.6 GPM |
| Draw pattern | High | High |
| Annual gas use (natural gas) | 178 therms/yr | 176 therms/yr |
| Gas input rate | 160 kBTU/h | 157 kBTU/h |
| Max current draw | 2.7 A | 2 A |
| Vent type | Direct Vent | Direct Vent |
| Recovery efficiency | — | 97 % |
| Smart / connected capable | No | No |
| Minimum activation flow | 0.5 GPM | 0.4 GPM |
| Annual propane use | 194.53 gal/yr | 192.35 gal/yr |
| Vent size | 2 | 2 |
| Height | 32 in | — |
| Width | 19 in | 18.1 in |
| Depth | 10 in | 13.6 in |
| ENERGY STAR certified | Yes | Yes |
Frequently asked questions
Which costs less to run, the Bosch Greentherm (T9900 SE 160) or the Rheem ECOHS160IP?
The Bosch Greentherm (T9900 SE 160): about $258/year versus $519/year for the Rheem ECOHS160IP at national average rates — a $261 annual difference.
Are the Bosch Greentherm (T9900 SE 160) and Rheem ECOHS160IP both ENERGY STAR certified?
Yes — every water heater in this database is drawn from the U.S. EPA ENERGY STAR certified water heater datasets.