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Nancy - Ductulator
by e-verseAutodeskFree
Automates HVAC duct sizing and transitions inside Revit while preserving specified airflow.
PRICINGFree
DEPLOYMENTDesktop
CATEGORYDesign & Engineering
UPDATED ON MARKETPLACE
What it does
Nancy analyzes airflow in connected ducts and generates transitions between circular and rectangular ducts. It calculates equivalent diameters and dimensions when duct shape or size changes, maintaining the specified air volume. The add-in automates duct adjustments and standardizes results across Revit models.
Key capabilities
from the Autodesk App Store listingAirflow preservation
Calculates equivalent diameters and dimensions to maintain air volume when converting between round and rectangular ducts.
Duct transitions
Generates transitions between circular and rectangular ducts.
Automatic duct sizing
Analyzes connected duct airflow and calculates sizing changes when a duct branch is resized.
Model consistency
Produces standardized ductulation results across models.
Use cases
- Supports ductwork modeling for hospitals, laboratories, office buildings, and large mechanical systems.
- Supports HVAC workflows for MEP engineers, BIM coordinators, and designers.
Who it's for
MEP engineers, BIM coordinators, and designers.
How it compares
Nancy calculates duct dimensions and generates transitions while preserving specified airflow. Greater BIM focuses on bending ducts, pipes, cable trays, and conduits at standard angles and in multiple directions. Builder Work creates openings in structural and architectural elements for MEP components rather than sizing or transitioning ducts.
| Name | Pricing | Deployment | Updated |
|---|---|---|---|
| this plugin | Free | Desktop | |
| Greater BIM | Paid | Desktop | |
| Builder Work | Paid | Desktop |
In the catalog
72 plugins in Revit · Design & Engineering
Price distribution: 22 free, 2 freemium, 48 paid
Pricing & deployment
Platform
Autodesk
Product
Revit
Deployment
Desktop
Pricing
Free
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What the vendor says
«Nancy is a Autodesk® Revit® add-in designed to simplify and automate one of the most repetitive and error-prone tasks in HVAC design: duct sizing and transitions. By focusing on maintaining airflow consistency, Nancy ensures that your ductwork is not only geometrically accurate but also aligned with engineering …»