Nelson was instrumental in incorporating additional hydronics code language and the new sections of geothermal into the Uniform Solar Energy Code, making it the Uniform Solar, Hydronics and Geothermal Code it is today. 

All individuals anticipating an active role in the ANSI-accredited consensus development of the Uniform Codes at the Technical Committee Teleconference Meetings, May 18-19, can download the USHGC documents and the USPSHTC documents in Adobe PDF format online.

IAPMO published the 2021 Uniform Plumbing Code (UPC) and the 2021 Uniform Mechanical Code (UMC) in March. The codes were improved with safety provisions for the protection from legionellosis, safe installation of alkaline water treatment devices, and protecting homes with the inclusion of requirements for leak detection, just to list a few.