This can be done manually for existing models from the Regions tab at site level, or for new models, follow the instructions in the next step. The default climate zone loaded will have been loaded from the Locations template and that value was originally derived from the value shown on the Hourly weather data dialog which in turn was derived by analysing the. In this case simply select the correct ASHRAE climate zone at site level and the baseline constructions and glazing will be automatically updated to reflect the new climate zone. This loads some appropriate model data settings such as Detailed HVAC and 6 timesteps per hour to the building model.
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Standard Get Ahead of the Curve for It is being released ahead of the standard to provide designers, program developers, and software developers an advance look at changes to the Performance Rating Method for the purposes of program and software planning and development. Users are cautioned that the full edition of the standard will likely contain additional changes to Appendix G. This document does not constitute the final version. Changes to the edition include the following: Appendix G can now be used as a path for compliance with the standard.
The baseline building design is now fixed at a certain level of performance. Modelers are now directed to use the default assemblies in Appendix A for baseline opaque envelope assemblies. The hierarchy of the decision-making process for selecting baseline HVAC systems is reestablished. New detail is provided on the simulation of baseline building heat pumps.
Clarification is provided for when baseline HVAC systems should be modeled with preheat coils. Changes are made to the baseline lighting power allowances in Appendix G.
Using Standard 90.1-2010 to Meet LEED Requirements (Dual), 3.0 PDHs (AIA)
Standard 90.1 Appendix G 2013: Performance Rating Method
LEED v4.1 & ASHRAE 90.1-2016
ASHRAE 90.1 Modelling