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.
Committee Overview
STATUS
Active
MEETING INFO
IS-STSC Meeting Notices
MEMBERSHIP
IS-STSC Roster
DOCUMENTS
IS-STSC Documents
SECRETARIAT
Lisa Reiheld
Committee News
2026.04.02 | Public Draft #1 for ICC 903/SRCC 500 Posted for Comment
Public Comment Draft #2 is posted in the Documents link as part of the second ANSI public review period for public review of the first draft. Notice is also provided in the April 10, 2026 edition of ANSI Standards Action. The deadline to receive comments is May 25, 2026. Comments should be sent to Jennifer Hess at jhess@iccsafe.org. Comments will be arranged into a public input agenda for consideration by the committee in upcoming meetings to create Public Comment ICC 903 Draft #2. (See "Documents" >> "Resources" >> "ICC 903 Public Draft 02" folder.)
2026.04.02 | Public Draft #1 for ICC 902/PHTA 902/SRCC 400 Posted for Comment
Public Comment Draft #1 is posted in the Documents link as part of the first ANSI public review period for public review of the first draft. Notice is also provided in the April 10, 2026 edition of ANSI Standards Action. The deadline to receive comments is May 25, 2026. Comments should be sent to Jennifer Hess at jhess@iccsafe.org. Comments will be arranged into a public input agenda for consideration by the committee in upcoming meetings to create Public Comment ICC 902 Draft #1. (See "Documents" >> "Resources" >> "ICC 902 Public Draft 01" folder.)
2026.02.10 | March, April, May meetings of the Committee scheduled for March 5 and 19, 2026, April 9 and 23, 2026 and May 7, 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.
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.
Apply
Published Editions
FAQs