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OpenStudio is getting there and now has Standard 90.1 2004, 2007, and 2010 Components available on the BCL to generate baseline schedules, constructions, and loads relatively quickly. However, BCL Measures to create Appendix G HVAC systems are not available yet, although I'm guessing there are plans for them.

A motivated user could write Measures to automate the entire process of generating a baseline model complying with 90.1 Appendix G from a proposed model - i.e. overwriting the proposed components with the appropriate baseline ones and then changing the HVAC system(s). For example, my company has been developing some of the pieces to do this as time/projects allow - e.g. add Appendix G System # to the model and then set the VAV fan power coefficients.

OpenStudio is getting there and now has Standard 90.1 2004, 2007, and 2010 Components available on the BCL to generate baseline schedules, constructions, and loads relatively quickly. However, BCL Measures to create Appendix G HVAC systems are not available yet, although I'm guessing there are plans for them.

A motivated user could write Measures to automate the entire process of generating a baseline model complying with 90.1 Appendix G from a proposed model - i.e. overwriting the proposed components with the appropriate baseline ones and then changing the HVAC system(s). For example, my company has been developing some of the pieces to do this as time/projects allow - e.g. add Appendix G System # to the model and then set the VAV fan power coefficients.


Update: October 2016

OpenStudio now has a measure called Create Baseline Model available on the BCL.