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Solar Thermal Standard Consensus Committee
(IS-STSC)

ICC/SRCC Solar Thermal Standards

Committee Description: Development and maintenance activities for ICC's family of solar thermal consensus standards is assigned to the Solar Thermal Standard Consensus Committee (IS-STSC). The committee is convened as required for maintenance of existing standards and to develop new standards as needed. It operates under ICC's ANSI-approved standard development procedures.

Project Description: The IS-STSC is currently ACTIVE and is working to review and update the ICC 900/SRCC 300, Solar Thermal System Standard, ICC 901/SRCC 100, Solar Thermal Collector Standard, ICC 902/PHTA 902/SRCC 400, Solar Pool & Spa Heating Standard, and ICC 903/SRCC 500, Solar Hot Water Storage Tank Standard.

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Committee Overview

STATUS
Active

MEETING INFO
IS-STSC Meeting Notices

MEMBERSHIP
IS-STSC Roster

DOCUMENTS
IS-STSC Documents

SECRETARIAT
Lisa Reiheld

Committee News
2026.01.29 | February meetings of the Committee scheduled for February 6, 2026 from 2:00-3:30pm ET and February 19, 2026 from 4:00-5:30pm ET. 

The meetings are open to the public and interested parties may participate on any work groups created by the committee to develop the technical content of the standard.  Please contact the secretariat if you wish to be added to the interested party list to receive future meeting invites and notices of public review postings.

2025.12.18 | January meetings of the Committee scheduled for January 8 and 22, 2026 at 4:00pm ET. 

The meetings are open to the public and interested parties may participate on any work groups created by the committee to develop the technical content of the standard.  Please contact the secretariat if you wish to be added to the interested party list to receive future meeting invites and notices of public review postings.

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