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Upcoming! Ventsim 5.4!

Florian Michelin

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Howden's Ventsim has been busy working on a new version of Ventsim. Focused on key improvment to help the every day ventilation engineer and the expert engineer, Ventsim 5.4 will be released soon including the following features:

  • Duct calculator
  • Dynamic simulation rewind
  • Advanced message boxes
  • Overpass builder
  • And much more

To find out more, go to: https://ventsim.com/?p=3779 

If you would like to try the Beta, contact me at florian.michelin@howden.com .

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Hi Neil, 

Ventsim 5.4 should be available to you. Sometimes, the automatic updater in Ventsim can not get around security restrictions on your computer. Sometimes it just takes a really long time. 

If the updater is not working for you, the best way to get the new version is to download and install directly from our website. You can do so here: 


Please let us know if you have any problems.


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