A. O. Smith was selected by DOE and TIAX because the firm can manufacture a glass-lined, steel helical coil, which is at the heart of the water heater's heat exchange. The company had been making a ...

A.0. Smith's 100-gallon, 150,000 Btu Cyclone XHE water heater provides 260 gallon peak demand output (the amount of hot water available during the first hour of concentrated use). Cyclone output was ...