Historical
ANSI/ASHRAE Standard 143-2015
Method of Test for Rating Indirect Evaporative Coolers
Covers testing under steady-state conditions for rating of indirect evaporative coolers that a. sensibly cool a primary airstream through heat exchangers by the evaporation of water into a secondary airstream and b. are self-contained or are components of packaged systems.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]
