A Demo of Common BIM to BEM Workflows Using gbXML and the New gbXML Validator


gbXML.org and IBPSA-USA


May 19, 2021

gbXML.org and IBPSA-USA are both sponsoring the next gbXML webinar on Wednesday, May 19, 10:00 AM - 11:00 AM PDT where we will be presenting a "Demo of Common BIM to BEM Workflows Using gbXML and the New gbXML Validator."

Please register here:


This webinar is targeted toward energy modelers, energy auditors, engineers, architects, software vendors, and generally anyone who is interested in learning about Building Information Modeling (BIM) to Building Energy Modeling (BEM) workflows utilizing gbXML and the new gbXML validator.

The agenda will be as follows:

  • Overview of gbXML by Stephen Roth
  • Presentation by Greg Collins of Zero Envy who will discuss his successes and struggles with BIM to BEM workflows using gbXML.
  • Presentation and demo by Krishnan Gowri of Intertek who will discuss the new gbXML validator that was developed as part of an ASHRAE research project (RP-1810). 
  • Q&A


Reproduction and/or publication of this article and its contents in no way implies that IBPSA-USA endorses the products/services mentioned.