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Methods of Testing for Rating Electrically Driven Unitary Air-Conditioning and Heat-Pump Equipment (ANSI Approved)
ANSI/ASHRAE Standard 37 provides test methods and calculations for steady-state, cyclic, and part-load performance and methods for establishing seasonal performance for unitary air-conditioning and heat pump equipment, including single capacity, multiple capacity, variable capacity, unloading, or multiple compressors for ducted and ductless systems.
The 2024 edition of Standard 37 comprises a major revision of Standard 37-2009 (RA 2019). Applicable sections of ANSI/ASHRAE Standard 116 have been added to provide an inclusive testing and rating method.
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