Ontario, California — IAPMO®, developer of the Uniform Solar, Hydronics and Geothermal Code®
(USHGC®) and Uniform Swimming Pool, Spa and Hot Tub Code® (USPSHTC®), and Water Efficiency and Sanitation Standard® (WE•Stand®) has posted online the 2026 Report on Comments (ROC) for the 2027 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/2027/USHGC/2026%20USHGC%20Report%20on%20Comments.pdf
USPSHTC: https://codes.iapmo.org/docs/2027/USPSHTC/2026%20USPSHTC%20Report%20on%20Comments.pdf
WE•Stand: https://iapmo.org/media/lhxak4u5/2026_westand_report_on_-comments.pdf
The USHGC, USPSHTC, and WE•Stand 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 2027 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. 30. Please send any comments to codes-dept@iapmo.org.
Anyone may appeal to the Executive Committee of the USHGC/USPSHTC/WE•Stand in accordance with Section 9.0 of both IAPMO’S Regulations Governing Consensus Development of the USHGC and USPSHTC and IAPMO’S Regulations Governing Consensus Development of the WE•Stand.
The notification of intent to file a written appeal deadline is Oct. 30.
For questions regarding submitting comments to the USHGC or WE•Stand, 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 pleased to announce the publication of IAPMO/ANSI/CAN Z1403-2026, Water Demand Calculator®, a new American National Standard and National Standard of Canada that provides a modern, statistically based method for estimating peak water demand in single-family and multifamily residential buildings.
IAPMO’s Systems Certification Body (SCB) has issued the first certificates under the Aluminum Anodizers Council (AAC) Certification Program, providing independent third-party verification of conformity with established performance requirements for anodized aluminum finishes and products.
IAPMO® is pleased to announce that Shirley Dewi has been promoted to executive vice president of IAPMO R&T, where she will provide strategic leadership and oversight for the organization’s certification and compliance operations, including Product Certification, the Systems Certification Body (SCB) and Continuous Compliance.