Download – Archived Versions

Coal Mine HeatThis page contains a list of links to older versions of Ventsim™.

Older versions may be required to maintain full use if:

  • Your maintenance period has expired and you do not wish to renew.
  • If the latest version is not fully compatible or working correctly with your system.

View Ventsim™ Update Log »

Ventsim™ – Version 4

Product Version Minimum Maintenance
Date Allowed
File Size
Ventsim™ 4.0.9.9 December 2015 48.9 MB Download
Ventsim™ 4.0.7.5 December 2015 51.2 MB Download

Ventsim™ – Version 3

Product Version Minimum Maintenance
Date Allowed
File Size
Ventsim™ 3.8.7.2 April 2014 59 MB Download
Ventsim™ 3.7.0.3 April 2014 58 MB Download
Ventsim™ 3.6.1.1 January 2014 58 MB Download
Ventsim™ 3.2.9.9 June 2013 57.1 MB Download
Ventsim™ 3.2.4.0 February 2013 56.2 MB Download

Ventsim™ – Version 2

Product Version Minimum Maintenance
Date Allowed
File Size
Ventsim™ 2.6.5.0 September 2012 33.2 MB Download
Ventsim™ 2.6.2.7 September 2011 31 MB Download
Ventsim™ 2.4.5.0 July 2011 34.3 MB Download
Ventsim™ 2.0.5.5 April 2011 34.4 MB Download
Ventsim™ 2.0.5.1 March 2011 34.4 MB Download
Ventsim™ 2.0.1.0 February 2011 29.2 MB Download
Ventsim™ 2.0.0.4 January 2011 29.2 MB Download

Ventsim™ – Version 1

Product Version Minimum Maintenance
Date Allowed
File Size
Ventsim™ 1.8.5.6 November 2010 29 MB Download
Ventsim™ 1.8.5.3 September 2010 28.9 MB Download
Ventsim™ 1.8.2.1 July 2010 34 MB Download
Ventsim™ 1.5.2.1 May 2010 30.6 MB Download
Ventsim™ 1.3.6.3 March 2010 39.2 MB Download

Ventsim Classic

Product Version File Size  
Ventsim Classic Professional 3.9 4.4 MB Download
Ventsim Classic Student (1000 airways – free) 3.9 4.4 MB Download