The International Association of Plumbing and Mechanical Officials (IAPMO®) has published the 2024 editions of the Uniform Solar, Hydronics and Geothermal Code® (USHGC) and Uniform Swimming Pool, Spa and Hot Tub Code® (USPSHTC) in both hardcopy and electronic versions, completing a three-year consensus development cycle accredited by the American National Standards Institute (ANSI). These publications may be purchased through the IAPMO web store here.
The USHGC is a model code developed by IAPMO to govern the installation and inspection of solar, hydronic, and geothermal energy systems as a means of promoting the public’s health, safety and welfare. The 2024 USHGC addresses the latest provisions and technology paving the road to zero net energy and for the safe installation of solar, hydronics and geothermal energy systems.
Key provisions of the 2024 USHGC and changes from the 2021 edition include:
The USPSHTC is a model code developed by IAPMO to govern the installation and inspection of both public and private swimming pools, spas, and hot tubs to increase the safety of their operation. The 2024 USPSHTC addresses the latest provisions and technology for the safe installation of swimming pools, spas and hot tubs.
Key provisions of the 2024 USPSHTC and changes from the 2021 edition include:
IAPMO first developed the USPSHTC in March 1967 and the USEHC in September 1976. The provisions of these codes apply to the erection, installation, alteration, repair, relocation, replacement, addition to or maintenance of any solar energy, hydronic heating/cooling, swimming pool, spa or hot tub system.
For questions about the USHGC, please contact Taylor Duran at (909) 218-8126 or taylor.duran@iapmo.org. For questions about the USPSHTC, please contact Enrique Gonzalez at (909) 230-5535 or enrique.gonzalez@iapmo.org.
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