Revit: ASHRAE Tables Not Populating After Installing ASHRAE Registry Cleanup for Revit

Issue:

  •         Users reported that they can no longer see ASHRAE table lookup settings when clicking "Loss Method Settings" in all Revit versions after installing ASHRAE Registry Cleanup for add-on.
  •         Users have reported that they are on Revit version 2025.4
  •       ASHRAE Registry Cleanup for add-on was installed on a prior Revit version (2025.1)

Causes:

  • Uknown Causes.

Solution:

  •      Uninstall the Registry Cleaner: Completely remove the ASHRAE registry cleaner tool from your system.
  •       Reinstall the Registry Cleaner: Install the same tool again.

About the Author

Ahmed Abdalla

Senior Applications Expert at IMAGINiT Technologies, I help clients leverage Building Information Modeling (BIM) to optimize their design, construction, and management processes. I have a passion for technology and innovation, and I enjoy exploring new possibilities with Unreal Engine, Unity 3D, Virtual and Augmented Reality, and Machine Learning. In my free time, I often grab my ipad and start doodling and sketching.

Follow on Linkedin More Content by Ahmed Abdalla

No Previous Articles

Next Video
Recap: What’s New in Clarity 2026
Recap: What’s New in Clarity 2026

In this update, we cover key new features including support for Revit 2026, predefined reports, Power BI in...

Revit Classes Now Available

Check Schedule