Historical
ANSI/ARI/ASHRAE/ISO 13256-1-1998
Water-source Heat Pumps - Testing and Rating for Performance - Part 1: Water-to-air and Brine-to-air Heat Pumps
This part of ISO 13256 establishes performance testing and rating criteria for factory-made residential, commercial and industrial, electrically-driven, mechanical-compression type, water-to-air and brine-to-air heat pumps. The requirements for testing and rating contained in this part of ISO 13256 are based on the use of matched assemblies.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]