[Equest-users] Integrated Window Blinds in Dual Pane Windows
cj at enersave.ca
Wed Dec 26 20:25:13 PST 2012
Window6 can model complex glazing like Venetian blinds between the glass panes.
At 08:51 PM 22/12/2012, Peter Baumstark wrote:
>Ok. . . I have a situation where I'm modeling a facility relative
>to ASHRAE 90.1 baseline. The customer is using dual pane, low-e
>windows, with integrated venetian blinds between the two panes of
>glass. One pane is low-e and the other is clear. Air gap between
>the two (not Argon or anything like that).
>I use the LBNL Windows tool, with blinds set at 45 deg, and the
>blinds increase the window assembly U value and SHGC significantly.
>So for performance relative to 90.1, would it be acceptable to
>simply utilize the U & SHGC from with Windows tool? Are there any
>restrictions on the angle of the blinds, or whether the angle should
>be different for winter vs summer?
>I'd appreciate any guidance on how to best model this scenario.
>San Jose, CA
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Christopher Jones, P.Eng.
Suite 1801, 1 Yonge Street
Toronto, ON M5E1W7
email cj at enersave.ca
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