AHRI 1140: Sound Quality Evaluation Procedures For Air-Conditioning and Refrigeration Equipment (Withdrawn 2021)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.
AHRI 1140-2012 has been withdrawn because the terms and values produced by using the standard have not been widely accepted and are no longer supported by the member companies.
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© 2012, by Air-Conditioning, Heating and Refrigeration Institute