Have you ever stood under the shower on a frosty winter morning waiting patiently, as precious minutes tick away, for the water to heat up? Or perhaps you’ve run a generous bathtub only to have the hot water supply abruptly run cold? It's not a pleasing scenario, is it? Traditional hot water heaters, with their tank storage system, can frequently lead to such exasperating situations. The question at hand, though, is whether there is a better, more efficient way to heat water