In “newer” parts of the country, tankless water heaters, ultra-high-efficiency toilets, waterless urinals, rain collections systems, recycled graywater systems, state tax incentives for graywater programs and on-demand everything are the norm.
Sure, a small percentage of these newer areas are older homes, but for the most part, newer parts of the country were built with these systems installed from day one and are part of the culture. For the rest of the country, which deals with houses built during the time of George Washington, it can be the opposite.
Swapping a tankless water heater out in a newer Arizona home is different
