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About This Item

 

Full Description

The purpose of this standard is to establish, for commercial and industrial humidifiers: definitions and classifications; requirements for testing and rating; minimum data requirements for published data; marking and nameplate data; and conformance conditions.

This standard applies to factory-made commercial and industrial humidifiers, as defined and classified in Sections 3 and 4 of this standard.

 

Document History

  1. AHRI 640-2005


    Performance Rating of Commercial and Industrial Humidifiers

    • Most Recent
  2. AHRI 640-96

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    Commercial and Industrial Humidifers

    • Historical Version