Tankless gas water heaters are rated at their flow rate based on total output using Gallons per Minute (GPM). This is a factor you should put in mind, especially if you are looking for tankless ...

A.O. Smith Signature Series 240-Volt 14-KW 2.7-GPM Tankless Electric Water Heater. DO NOT BUY from this company. Installed by plumber and thru codes for air in system. Spent over an hour with my ...

Uniform Energy Factor refers to a water heater's efficiency when run under simulated heavy use conditions for a 24-hour period. Gas Tankless is part of the Water Heaters test program at Consumer ...