Historical
ANSI/ASHRAE Standard 84-2008
Method of Testing Air-to-Air Heat Exchangers
Establishes a uniform method of testing for obtaining performance data, specifies data required, calculations to be used, report procedures for rating the performance of an air-to-air heat exchanger, and specifies types of test equipment for performing such tests. Dual units of measurement only.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]