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Updated Publications, September 2018

Updated Publications, September 2018

From eSociety, September 2018

ANSI/ASHRAE Standard 41.9-2018, Standard Methods for Refrigerant Mass Flow Measurements Using Calorimeters


ASHRAE Standard 41.9 prescribes methods for measuring mass flow rates for refrigerants and refrigerant/lubricant mixtures using calorimeters. The 2018 version updates the last edition, which was published in 2011.

ANSI/ASHRAE Standard 174-2018, Method of Test for Rating Desiccant-Based Dehumidification Equipment


ASHRAE Standard 174 provides test methods for rating the performance of desiccant-based dehumidification equipment. The updated version replaces the 2009 version.


ASHRAE Guideline 32-2018, Management for Sustainable High-Performance Operations and Maintenance


ASHRAE Guideline 32 provides guidance for achieving and maintaining sustainable, high-performance building systems and assemblies through cost-efficient, environmentally conscious operations and maintenance. The 2018 edition updates the 2012 version of the guideline.