Subscribe to our newsletters & stay updated
The International Association of Plumbing and Mechanical Officials (IAPMO) has released hardcopy and digital versions of its 2021 editions of the Uniform Solar, Hydronics and Geothermal Code (USHGC) and Uniform Swimming Pool, Spa and Hot Tub Code (USPSHTC). Hardcopy and eBook (viewable on computers, tablets and smart phones) versions can be purchased and downloaded via the IAPMO web store at the following URLs:
These codes will be available on the “IAPMO Codes” mobile app soon.
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 2021 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 2021 USHGC and changes from the 2018 edition include the following:
IAPMO first developed and published the Uniform Solar Energy Code in 1976 in response to a growing interest in residential and commercial solar energy systems. Just like the 2009, 2012, 2015 and 2018 editions of this code, the 2021 USHGC was developed using the American National Standards Institute (ANSI)-accredited open consensus process.
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 2021 USPSHTC addresses the latest provisions and technology for the safe installation of swimming pools, spas and hot tubs.
Key provisions of the 2021 USPSHTC and changes from the 2018 edition include the following:
For questions about the USHGC or the USPSHTC, contact Taylor Costea by phone at 909-218-8126 or by email at email@example.com.