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By Chris Edmondson
Gone are the days of optional air or waterside economizing. Gone also are the days of waterside economizers piped in parallel. In other words, the “either/or” operation of the chillers and economizers that we’re all accustomed to will soon be a thing of the past.
Bell & Gossett’s System Syzer does all the piping calculations necessary to meet ASHRAE 90.1 and 189.1 requirements. JMP is committed to getting all our customers up-to-speed on ASHRAE 90.1 – 2010. We’ve already covered some of these topics in previous blogs, including changes to pressure booster design. Today’s blog focuses on the portions of 90.1 - 2010 that dramatically impact the selection of pumps and associated piping.
Read MoreBy Chris Edmondson
It’s time we all start economizing – and no, we’re not talking about budget.
ASHRAE 90.1 – 2010, which officially becomes part of U.S. commercial building codes in less than one year dictates that henceforth all cooling systems shall include either an air or water economizer per Sections 6.5.1.1 through 6.5.1.4. The only areas in the U.S. where this will not apply are the southernmost tip of Florida and south/southwest portions of Arizona where the respective climates do not favor economizing.
Read MoreBy Chad Edmondson
It’s hard to believe the end of summer is only a few weeks away. It’s a stark reminder of how quickly time passes – and how quickly October 18, 2013 will also be here.
(What? That date doesn’t ring a bell?)
It should. October 18, 2013 is the official date by which all states are required to certify that they have updated their commercial building codes to meet or exceed the new energy efficiency of ASHRAE 90.1 – 2010.
This is BIG
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