Rheem ECOHS160IN vs Takagi T-H3-OS-N 1

The Rheem ECOHS160IN 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 $255/year for the Rheem ECOHS160IN against $258/year for the Takagi T-H3-OS-N 1 — a $3 annual difference. The Takagi T-H3-OS-N 1 sustains the higher flow (5.8 GPM vs 4.6 GPM under the DOE test).

Rheem ECOHS160IN Takagi T-H3-OS-N 1
Uniform Energy Factor (UEF) 0.96 0.95
Fuel Natural Gas Natural Gas
Max flow rate 4.6 GPM 5.8 GPM
Draw pattern High High
Annual gas use (natural gas) 176 therms/yr 178 therms/yr
Gas input rate 157 kBTU/h 199 kBTU/h
Max current draw 2 A 5 A
Vent type Direct Vent Power Vent
Recovery efficiency 97 %
Smart / connected capable No No
Minimum activation flow 0.4 GPM 1 GPM
Annual propane use 192.35 gal/yr 194.53 gal/yr
Vent size 2 3
Height 22 in
Width 18.1 in 18 in
Depth 13.6 in 11 in
ENERGY STAR certified Yes Yes

Frequently asked questions

Which costs less to run, the Rheem ECOHS160IN or the Takagi T-H3-OS-N 1?

The Rheem ECOHS160IN: about $255/year versus $258/year for the Takagi T-H3-OS-N 1 at national average rates — a $3 annual difference.

Are the Rheem ECOHS160IN and Takagi T-H3-OS-N 1 both ENERGY STAR certified?

Yes — every water heater in this database is drawn from the U.S. EPA ENERGY STAR certified water heater datasets.