[Trace-users] Specify Window Frame Type

Richard Ellison REllison at southlandind.com
Wed Apr 2 14:22:20 PDT 2014

Build the window assembles in windows from LBNL and then put those assemblies into your Trace libraries.  Put them into your model and explain to the reviewer how you did it.

On Apr 2, 2014, at 5:17 PM, "Ben Hollon" <bhollon at antella-inc.com<mailto:bhollon at antella-inc.com>> wrote:


Working on a LEED energy model in Trace. I typically use HAP, which allows the input of a window frame type, and it then calculates the entire window assembly U-value and SC, rather than just the glass.

I’ve had LEED reviewers come back and ask me for my window assembly calcs and I was able to show how HAP was doing that calc based on the frame type as well. However, I can’t find anything similar in Trace, and I’m getting nervous about how to show assembly calculations to a LEED reviewer. I’ve had terrible luck in the past getting assembly values from the manufacturer as well.

I spoke with CDS and they recommended modeling a small sliver of wall that is representative of the frame, which seems quite tedious.

Has anyone either experienced this issue, and figured out a work around?


Ben Hollon,

Antella Consulting Engineers, inc.

1600 Genessee, Suite 260 • Kansas City, MO 64102 • Tele: (816) 421-0950 • Fax: (816) 249-2439 • www.antella-inc.com<http://www.antella-inc.com>

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