Ordinary shower heads flood the bather with much
more water than is needed for efficient bathing. Figure 1
shows an example.
A variety of “high-efficiency” shower heads are
available that you can use to limit water flow. These
reduce water consumption by three methods: using
smaller orifices, narrowing the discharge pattern, and
mixing air with the water to increase the sensation of
flow.
The sensation provided by the shower head is an
important subjective factor for bathers. Experience
shows that a particular shower head may be pleasing to
one person and annoying to another. A partial solution
to this problem is to select shower heads that let the
bather change the spray pattern. However, this also
forfeits part of the potential saving