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Visualize Peak Loads for HVAC Sizing

This grasshopper resource is by Chris Mackey and was posted by Sean Facebook, last updated 5 year ago.

Extract the loads from the design day simulation that EnergyPlus runs to autosize HVAC equipment.

These loads are then exported to excel to be visualized on a cumulative area chart that shows the relative contribution of different heat sources to the peak cooling condition.

Such sizing visualizations are a great way to understand and illustrate the main heat sources that are contributing to HVAC size, which will help you develop strategies to keep this size down.

Note that this example file relies on Excel to produce the output chart visualization as well as TTToolbox to export results to the excel file.

Revisions

We keep track of versions and changes so that you can ensure you have access to resources that work with your workflow as things change.

  • v1 - April 23 This is the original version of this resource.
  • v2 - September 5 Adds support for Rhino 6 (by Sean Facebook)
    • Honeybee Ladybug OpenStudio TTToolbox Autosize Cost Energy EnergyPlus Grasshopper HBExampleFiles Honyebee HVAC Load OpenStudio Peak Savings Sizing Visualization