My 12-year-old Rheem tankless water heater had stopped putting out hot water the night before, so I called into the help desk ON A SATURDAY. My call was immediately picked up by a man (I believe ...

I was expecting something akin to the amount of time it takes for the tank water heater in my home to deliver hot water but ...

The Rheem Performance Electric Water Heater ... which warm the water as it passes through the unit rather than storing hot water in a large tank. The U.S. Department of Energy says these types ...