Mechanical Systems Codes and Standards Activities

Mechanical Systems Codes and Standards Activities

Uniform Solar, Hydronics and Geothermal Model Code

The USHGC is a model code developed by IAPMO. Jim Kendzel, ASA VP of Advocacy serves as a voting member on the Technical Committee.

There is no revision activity at this time. 

International Code Council

ICC 2021-2022 Code Development Cycle Schedule

ICC Hearings are completed. The ICC Technical Committees have completed the first round of public meetings to review the proposed changes to their model codes impacting mechanical systems. Below are ASA reports on the outcome of the meetings:


International Association of Plumbing and Mechanical Officials

IAPMO 2021-2022 Code Development Cycle Schedule

IAPMO Hearings are completed. The IAPMO Uniform Plumbing Code and Uniform Mechanical Code Technical Committee recently completed their first round of meetings to review the proposed changes to the 2021 model codes. Below are the results of the meetings related to mechanical systems:


ASA Headquarters and Education Foundation
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