Knowledgebase: General
How can I convert dxf or dwg CAD files to EnergyPlus?
Posted by Michael J. Witte, Last modified by Linda Lawrie on 20 April 2010 04:20 PM
If you have a dxf file, then several of the EnergyPlus interfaces allow you to import the dxf drawing and trace over it to create EnergyPlus geometry.
As of February 2009, DesignBuilder, and OpenStudio (plugin for Google SketchUp) offer this capability, and possibly other interfaces.

If you have the full AutoCAD 3-D dwg model (more than just dxf), then you might be able to export to EnergyPlus using one of the availble utilities that work with AutoCAD, but only if the model was created in the correct way to support these tools.
As of February 2009, Green Building Studio and EnergyPlugged (a plugin to AutoCAD) supported export to EnergyPlus.

For more information about current tools which support EnergyPlus, please see
http://www.energyplus.gov/interfaces_tools.cfm
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