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Perhaps you’ve heard about mandates for higher energy efficiency and the innovations that have emerged to meet these requirements. Integrated control functionality for some HVAC equipment is among these innovations. Fan manufacturers were the first….
Read MoreIn our last blog we introduced the new HI Energy Rating System for clean water pumps. The HI Rating System not only helps engineers pick a more efficient pump, it also makes it easy for utilities to develop incentives that rewards owners for using HI Rated equipment. Several US utilities are already onboard…
Read MoreComparing pump efficiency just got a whole lot easier thanks to a new rating system developed by the Hydraulic Institute (HI). For the first time ever, pump specifiers or purchasers can go directly to an online tool where they can compare the numerical efficiency scores of any pump….
Read MoreHow does RPM (revolutions per minute) impact pump operation? And what RPM is best suited for hydronic applications? A pump’s RPM or “synchronous speed” is determined by the number of magnetic poles in the motor winding as they interact with...
Read MoreIn our last two blogs, we discussed Part Load Efficiency Value (PLEV) from Bell & Gossett. Today we will discuss how using PLEV as the only criteria for selection can lead to HVAC pump selections that aren’t necessarily the best choice...
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