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AHRI 840-1998: Unit Ventilators

Standard Scope
This standard establishes a single set of requirements for the testing and rating of cooling and heating capacities, power input, efficiency, standard air flow, fluid flow, and pressure drop for unit ventilators; whereby, equipment performance ratings can be compared from product to product.

Free Download: AHRI Standard 840-1998

© 1998, by Air-Conditioning, Heating, and Refrigeration Institute