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ANSI/ASHRAE 139-2019

Method of Testing for Rating Desiccant Dehumidifiers Utilizing Heat for the Regeneration Process

Provides test methods for determining the moisture removal capacity of heat-regenerated desiccant dehumidifiers, as well as the coincident thermal energy performance, so that comparative evaluations of capacity and performance can be made irrespective of the type or make of the device. Dual units of measurement.

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American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ASHRAE]


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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