ASHRAE (and DOE) Get More Specific About Economizer Requirements

By 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 through 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.

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Are YOU Ready for ASHRAE 90.1 – 2010?

By 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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