Modify HVAC Main Branch
- Last UpdatedJan 07, 2026
- 1 minute read
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To Modify a existing HVAC Main Branch element, first select an existing HVAC Main Branch element in the Design Explorer.

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Using the HVAC Window select HVAC/Branches in the Categories pull-down and select Main Branch Element in the Available Type dropdown list to display the HVAC Main Branch window.
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Change the dropdown list in the top left of the HVAC Main Branch window from Create to Modify.

The HVAC Main Branch window will be populated with the attributes of the currently selected HVAC Main Branch element.

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You can now type in new attribute dimensions for the HVAC Main Branch element or reset the attributes to the Defaults.
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Select OK to commit the change.