SoftDraft HVAC-RD2DS Imperial

SoftDraft HVAC-RD2DS Imperial

Win32 and 64, English

SoftDraft, LLC
HVAC Round Duct 2D version is a quick input parametric 2D drafting program for the creation of HVAC Round Duct and Fittings. Also draws flexible duct run-outs to registers.

General Usage Instructions

From the main HVAC Round Duct dialog box select a fitting for placement. Most fitting selections will display an additional dialog box with more fitting selections options for different types of fittings.

Select done of these fittings and the final fitting dialog is displayed with the options available for setting.

After entering the requested dimensional data for the fitting select OK and the fitting is parametrically created and ready for insertion into the drawing.

After placing the fitting in the drawing the fitting size text is placed on the fitting.

Text height is controlled by the RD2DTEXTHT command and can be set from the main dialog. Once set in a drawing it remains the default text height for all fitting placement.  



Ribbon/Toolbar Icon Command Command Description


This opens the main HVAC Round Duct dialog box. Select a fitting for placement and fill in the requested dimensional data. Click the OK button and the fitting is attached to the cursor for placement. You are then prompted for the rotation angle.


The installer that ran when you downloaded this app/plug-in from Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin. You may need to restart the Autodesk product to activate the app/plug-in. To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 7/8.1/10/11) and uninstall as you would any other application from your system.

Additional Information

You have 15-days to activate the software. When running in non-activated mode this dialog will only appear once the first time the program is executed in a new or existing drawing which indicates the number of Days Remaining before the program stops. Until you are ready to activate the software, you can run the software in the Non-Activated mode before it expires.

To activate the software, when you open a new or existing drawing and a dialog appears prompting you to press "OK" button to Activate Now. This takes you to the SoftDraft Activation dialog showing your License Code and an edit box for you to enter the License Key.

To receive your License Key, click on the License Code edit box, then copy the License Code. To avoid mistakes, we suggest that you copy it from this dialog and paste it into an email, instead of entering it with the keyboard, then send it to 

Please include the name the app was purchased under and company name. After we receive the email we will send the License Key back, usually within 24 hours, for you to enter into the dialog. Copy the License Key from the email into the License Key edit box area of the Activation dialog, then click "OK" to close the dialog.

Known Issues

Not for use with Autodesk® AutoCAD LT® Versions.


Company Name: SoftDraft, LLC
Support Contact:

Author/Company Information

SoftDraft, LLC

Support Information

SoftDraft Software Support Policy


The purchase price of a new SoftDraft Software product includes:

Free technical support during the course of Subscription. 

Each computer requires a separate Product license to be purchased for that computer.

The SoftDraft Software Subscription includes upgrades when available.

All updates/upgrades are electronically downloadable. 


Version History

Version Number Version Description


Update for subscription version
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