Find and Compare Products

API, Data Set or  Excel File
Languages: English | Français

1 Select a product category of interest to you.

2 Get details on specific qualifying models.

3 Make informed purchasing decisions.

Find product models that have earned the ENERGY STAR and compare features, savings and more to optimize your purchase.

Water Heaters

Visit the Water Heaters page for usage tips and buying guidelines.
Efficiency and performance for ENERGY STAR certified water heaters may be evaluated using two different methods. The results of testing from these methods are not directly comparable. Solar water heater products have requirements for Solar Energy Factor (SEF), not Uniform Energy Factor (UEF).

American - GT 340PIH 101 : GT 340NEH 100

Specificationsdownload pdf open pdf

ENERGY STAR PartnerField details: A.O. Smith Corporation
TypeField details: Gas Tankless
FuelField details: Natural Gas
Storage Volume (gallons)Field details: 1.0
Water Heater Depth (inches)Field details: 11.0
Water Heater Height (inches)Field details: 22.0
Water Heater Width (inches)Field details: 18.0
Vent Size (inches)Field details: 3
Input Rate (BTU/hr)Field details: 180000
Uniform Energy Factor (UEF)Field details: 0.94
Therms Per Year at 125°F outlet tempField details: 159
Maximum Gallons Per Minute over 67°F riseField details: 5.3
Minimum Gallons Per Minute over 67°F riseField details: 5.3
Recovery Efficiency per UEF test method (%)Field details: 97
Date CertifiedField details: 04/10/2019
MarketsField details: United States, Canada
ENERGY STAR CertifiedField details: Yes

Additional Product Information

No additional information provided

Rebate Finder

Rebate Finder Icon

ENERGY STAR partners sponsor rebates on certified products. Enter a zip code below to find deals near you!

Learn More
About Products

Looking for more information about how to save with ENERGY STAR products?