As energy costs rise and as achieving energy efficiency
becomes more and more important in the
operation of HVAC systems, continuing attention
by equipment suppliers and operators will center on maximizing
the efficiency of the system components in order
to conserve energy and reduce operating expenses.
In designing a hydronic heating or cooling system, we
should certainly look at the efficiency of the pumps to
achieve a certain amount of energy savings. However, system
pumps are only one element of the many components
in a system that will determine the overall efficiency of
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