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<div class="moz-cite-prefix">The WINDOW 5/6 program from LBNL will
calculate the overall U-factor and Solar Heat Gain Coefficient
(SHGC) of the window assembly, but you will need to describe the
window in some detail, i.e., number of panes, glass optical
characteristics, gap width, frame conductance, etc. <br>
<br>
However, once you've done this, I would recommend that you just
import the WINDOW output file to eQUEST, rather than model the
window using the U-factor and SHGC. These (U-factor, SHGC) are
bulk properties meant mainly as a rating system for fenestration,
such as NFRC in the US, and are for standard atmospheric
conditions and window size. If you do use them in eQUEST, you
will be modeling the window with the SIMPLE WINDOW model where the
angular properties and U-factor dependence with temperature are
based on single-pane clear glass. If you do not have sufficient
information on the window to do a WINDOW 5/6 calculation, a
better alternative to using the SIMPLE WINDOW model would be to
search through the eQUEST window library and find the closest
match to the known bulk properties.<br>
<br>
Joe<br>
Joe Huang <br>
White Box Technologies, Inc.<br>
346 Rheem Blvd., Suite 108D<br>
Moraga CA 94556<br>
<a class="moz-txt-link-abbreviated" href="mailto:yjhuang@whiteboxtechnologies.com">yjhuang@whiteboxtechnologies.com</a><br>
<a class="moz-txt-link-freetext" href="http://weather.whiteboxtechnologies.com">http://weather.whiteboxtechnologies.com</a><br>
<a class="moz-txt-link-freetext" href="http://www.whiteboxtechnologies.com">http://www.whiteboxtechnologies.com</a><br>
(o) (925)388-0265<br>
(c) (510)928-2683<br>
"building energy simulations at your fingertips"<br>
<br>
<br>
On 6/5/2013 9:55 AM, Sami, Vikram wrote:<br>
</div>
<blockquote
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<p class="MsoNormal"><span>You can try LBNLs window software.
</span></p>
<p class="MsoNormal"><span> </span></p>
<table class="MsoNormalTable">
<tbody>
<tr>
<td>
<p class="MsoNormal"><b><span>Vikram Sami</span></b><span><br>
</span><span>Associate Partner</span><span></span></p>
</td>
<td width="16">
<p class="MsoNormal"><span> </span></p>
</td>
<td>
<p class="MsoNormal"><span>ZGF ARCHITECTS LLP</span><span><br>
</span><b><span>T
</span></b><span>206.521.3509
</span><b><span>E
</span></b><span><a class="moz-txt-link-abbreviated" href="mailto:vikram.sami@zgf.com">vikram.sami@zgf.com</a></span><span><br>
</span><span>925 Fourth Avenue, Suite 2400
<br>
Seattle, WA 98104</span><span></span></p>
</td>
</tr>
</tbody>
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<p class="MsoNormal"><span> </span></p>
<p class="MsoNormal"><b><span>From:</span></b><span>
<a class="moz-txt-link-abbreviated" href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>
[<a class="moz-txt-link-freetext" href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Sambhav Tiwari<br>
<b>Sent:</b> Wednesday, June 05, 2013 2:52 AM<br>
<b>To:</b> equest-users<br>
<b>Subject:</b> [Equest-users] U value of Glass</span></p>
<p class="MsoNormal"> </p>
<div>
<p class="MsoNormal">Hi All,</p>
</div>
<div>
<p class="MsoNormal"> how can i get the U value of
combined assembly which includes glass as well as frame and
how to model it in equest..</p>
</div>
<div>
<p class="MsoNormal"> </p>
</div>
<div>
<p class="MsoNormal">Regards</p>
</div>
<div>
<p class="MsoNormal">Sambhav</p>
</div>
</div>
<br>
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