A large percent of espresso in the US is drunk iced. Iced Americanos, iced lattes, iced shaken espressos. If you don't need to heat the water before cooling it

A large percent of espresso in the US is drunk iced. Iced Americanos, iced lattes, iced shaken espressos. If you don't need to heat the water before cooling it down it would be an enegy savings.