Historical
ANSI/ASHRAE Standard 40-2014
Methods of Testing for Rating Heat Operated Unitary Air-Conditioning and Heat-Pump Equipment
This standard applies to heat-operated unitary air conditioners and heat pumps consisting of one or more assemblies, including engine-driven systems. Where such equipment is provided in more than one assembly, the separate assemblies are designed to be used together.
Content Provider
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]