Standard for the Efficient Use of Water in Building Mechanical Systems
ASHRAE
Standard
Project Committee
191
Member Roster
Current as of 12/15/2025
| Name | Voting Status | Committee Position |
|---|---|---|
| Fred Betz | Voting | Chair; PcvM-User |
| John Koeller | Voting | CO-Vice Chair/awwa; PcvM-General |
| Jerrell Scott | Voting | CO-Vice Chair/aspe; PcvM-General |
| Michael Patton | Voting | Secretary; PcvM-Producer |
| Daryn Cline | Voting | PcvM-Supplier |
| Jon Cohen | Voting | PcvM-Supplier |
| Herman Hoffman | Voting | PcvM-General |
| James Lutz | Voting | PcvM-General |
| Leon Shapiro | Voting | PcvM-Producer |
| John Swift | Voting | PcvM-User |
| Allyn Troisi | Voting | PcvM-Supplier |
| Kavita Vallabhaneni | Voting | PcvM-Producer |
| Gary Klein | Non-voting | NvM-General |
| Drake Erbe | Non-voting | Spls Liaison |
| Mark Weber | Non-voting | Staff Liaison |
©2025 This website describes the activities of the ASHRAE Project Committee 191, Standard for the Efficient Use of Water in Building Mechanical Systems.
It does not present official positions of the Society nor reflect Society policy.
ASHRAE is not responsible for this site’s content. To learn more about ASHRAE activities on an international level,
visit the ASHRAE home page at https://www.ashrae.org.
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