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Is it possible to convert a newer EnergyPlus IDF to an older version of EnergyPlus?

I would like to convert an idf that is EnergyPlus version 8.5 to an idf that is EnergyPlus 8.1 or older. Is this possible? I would like to take a model I created in OpenStudio 1.11 (EnergyPlus 8.5) and open the idf in Simergy which uses EnergyPlus 8.1.

asked 2016-06-17 10:18:29 -0600

updated 2016-06-17 12:46:29 -0600

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I know this is ~4 years too late, but I believe that the process you're looking for is explained in this post.

Aaron Boranian (2020-07-13 18:40:53 -0600) edit

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Yes, but generally with losses: e.g. if you have old(er) version of Google Sketchup (8) installed, you can use the IDF import function to retrieve objects such as the geometry and schedules; everything that cannot be imported is lost. This also works with the Legacy OpenStudio plugin.

answered 2016-06-17 10:43:43 -0600

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