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ANSI/ASHRAE Standard 139-2025

Standard 139-2025 -- Method of Testing for Rating Desiccant Dehumidifiers Utilizing Heat for the Regeneration Process

Standard Details

Full Description

Standard 139 provides uniform test methods for rating desiccant dehumidifiers that use heat for the regeneration process. It addresses the test methods, apparatus, and instruments to be used, data to be obtained, and calculations needed to confirm valid test results.

The 2025 edition of Standard 139 updates normative references.

General Information

Status : ACTIVE
Standard Type: Main
Document No: ANSI/ASHRAE Standard 139-2025
Document Year: 2025
Pages: 22

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ANSI/ASHRAE Standard 139-2025
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