Historical
ANSI/ASHRAE Standard 58-1986 (R 2009)
Method of Testing for Rating Room Air Conditioner and Packaged Terminal Air Conditioner Heating Capacity
This standard establishes a uniform method of testing for obtaining rating data, specifies test equipment for performing such tests, specifies data required and calculations to be used, and lists and defines the terms used in testing.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]