AHRI 1140: Sound Quality Evaluation Procedures For Air-Conditioning and Refrigeration Equipment (Withdrawn 2021)
Standard Scope
This standard applies to factory-made, residential and commercial air conditioning and transport refrigeration equipment.
It has been withdrawn because the terms and values produced by using it have not been widely accepted and are no longer supported by AHRI member companies.
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© 2012, by Air-Conditioning, Heating and Refrigeration Institute