5.2.2 Mass Shading Devices

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Mass Shading devices (such as vertical fins or horizontal canopies) may be added in Detailed Models.  This may be a quick way to test results as the shade is adjusted.  These objects will affect the Solar results when they are placed adjacent to windows or curtain walls.

FenestraPro should be closed before you add a mass object such as a simulated shading device, since a new Energy Model will need to be created each time the model is modified. When FenestraPro is opened again, the Solar Loads should be recalculated in the Building Manager with Calculate Shading Factors checked.  The results on the Dashboard and Charts will be different compared to the model without any shading objects included.  If you find that the results are not updating on the Dashboard, please close the application and relaunch the Add-in.

Note: When using Spatial Elements, shading calculations may take longer than Building Elements since there are more surfaces assigned.

Mass Shading Devices will affect the results for Solar Loads and Daylighting

Note: Vertical Fins modeled as mass objects on a Mass Model will currently NOT affect the Daylighting results (due to the method for vertical sky angle calculation).  Changing the the depth of the shade devices will effect the Heat Gain/Solar Load results.


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