This generation of variable-speed pumps can internally sense how many valves are open or closed and adjust speed accordingly. Variable speed pumps have been around for years. As I mentioned in last ...

One of the most recent trends in the pool-equipment industry is to go “green,” that is, to provide consumers with energy-saving devices that can do the job at a reduced cost over a period of time.

In a previous article I promised that we would venture into the word of light commercial pump sizing using variable speed pumps (July, p. 36). How many times have we been called upon to work on a ...

LONG BEACH, Calif. - Pumps are responsible for a significant part of the world’s electrical energy consumption, but their impact can be by using variable-speed pump control, especially in hydronic ...