In this episode of Energy Green Grandpa, Dr. George Potts “sings in the shower” and offers up some good tips on how to save energy and money by keeping showers short, using an efficient shower head, and choosing a good hot water heater (preferably an Energy Star certified one).
All About Water Heaters (This Old House)
How to Maintain an Electric Water Heater (This Old House)
How to Flush a Water Heater (This Old House)
Thermostat Settings for Water Heaters (This Old House)
Shower (Wikipedia)
Water heating (Wikipedia)

