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Standards
Standards provide guidance and recommendations on a variety of pump and pump systems.
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Featured Case Study
June 2, 2026
Installing Multiple Pumps to Reduce the Life Cycle Cost of an Air Conditioning System
A new air-conditioning system was required to meet variable chilled water demand. Three system configurations were evaluated: A single pump with a bypass line, a single pump with a flow control valve, a three-pump system with variable frequency drives (VFDs).
HI Data Tool
The comprehensive guide for pump users, manufacturers and engineers seeking references for pump principles, calculations and unit conversions. The Data Tool is updated frequently with new information.