Ontario, Calif. — The International Association of Plumbing and Mechanical Officials (IAPMO®), developer of the Uniform Solar, Hydronics and Geothermal Code (USHGC) and Uniform Swimming Pool, Spa and Hot Tub Code (USPSHTC), has posted online the 2023 Report on Comments (ROC) for the 2024 editions of these prospective American National Standard- designated model codes. The ROC is the technical committee report on the actions taken by the technical committee accompanied by a ballot statement and one or more comments resulting from public review of the Report on Proposals(ROP).
Interested parties are encouraged to download these documents at the following URLs:
USHGC: https://codes.iapmo.org/docs/2024/USHGC/2023 USHGC Report on Comments.pdf
USPSHTC: https://codes.iapmo.org/docs/2024/USPSHTC/2023 USPSHTC Report on Comments.pdf
The USHGC and USPSHTC are model codes developed by IAPMO to govern the installation and inspection of solar energy, hydronics and geothermal energy systems, as well as swimming pool, spa, and hot tub systems, respectively, as a means of promoting the public’s health, safety, and welfare. The 2024 edition of each code, scheduled for publication early next year, is being developed through a process accredited by the American National Standards Institute (ANSI). The notification of the ROC availability will also be posted in the ANSI Standards Action for public review. The public review deadline is Oct.27. Please send any comments to codes-dept@iapmo.org.
Anyone may appeal to the Executive Committee of the USHGC/USPSHTC in accordance with Section 9.0 of IAPMO’s Regulations Governing Consensus Development of the USHGC and USPSHTC.
The notification of intent to file a written appeal deadline is Oct. 27.
For questions regarding submitting comments to the USHGC, please contact Taylor Duran at (909) 218-8126 or taylor.duran@iapmo.org. For questions regarding submitting comments for to USPSHTC, please contact Enrique Gonzalez at (909) 230-5535 or Enrique.gonzalez@iapmo.org.
IAPMO® is proud to announce that Dain Hansen, executive vice president of Government Relations, has been named one of The Hill’s Top 100 Lobbyists of 2025. This marks Hansen’s fourth consecutive year on this prestigious list, highlighting his continued leadership and IAPMO’s influence on public policy affecting codes, standards, and the built environment.
IAPMO®, developer of the Uniform Plumbing Code (UPC®) and Uniform Mechanical Code (UMC®), has posted online the timeline for the development of the 2030 editions of these prospective American National Standards.
IAPMO® is seeking volunteers to participate on two technical committees working toward the development of the 2030 editions of the Uniform Plumbing Code (UPC®) and Uniform Mechanical Code (UMC®). The deadline to submit an application is Jan. 30, 2026.