Edge of Glass Boundary Condition error

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Greg Collins

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Jul 22, 2026, 11:07:57 AM (4 days ago) Jul 22
to THERM
I've created my frame components in Therm. When importing them into the Frame Library of Window I get the message "There is no Edge of Glass boundary condition defined." 

I have simulated several windows but have never gotten this error message. 

I would appreciate any direction on how to address this error. 

Therm ver 7.8.74.0
Window ver 7.8.74.0

The files are listed below. 

Robin Mitchell

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Jul 22, 2026, 12:03:21 PM (4 days ago) Jul 22
to Greg Collins, THERM
It's not really an error, it's a warning that you haven't set the U-factor surface tags in the THERM file.

See this doc, page 3-13.

Robin

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Robin Mitchell
Windows & Envelope Materials Group
Lawrence Berkeley National Laboratory

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