<span style="font-size:8.5pt;line-height:115%;
font-family:"Verdana","sans-serif";mso-fareast-font-family:"Times New Roman";
mso-bidi-font-family:"Times New Roman";mso-ansi-language:EN-US;mso-fareast-language:
EN-US;mso-bidi-language:AR-SA"><div><span class="Apple-style-span" style="font-size: small;"><font class="Apple-style-span" face="verdana, sans-serif">I have received the follow Technical Advice/review comment regarding window U-values</font></span></div>
<div><span style="line-height: 115%; "><span class="Apple-style-span" style="font-size: small;"><font class="Apple-style-span" face="verdana, sans-serif"><br></font></span></span></div><span class="Apple-style-span" style="font-size: small;"><font class="Apple-style-span" face="verdana, sans-serif">"It is unclear whether the window U-value of 0.40
used for the Proposed Case accounts for the impact of the window frames on the
whole assembly as required by ASHRAE modeling protocol. Please provide
additional information to confirm that the framed assembly U-value was used for
the Proposed Case windows (e.g. showing that the whole window assembly has been
tested by NFRC, or verifying that LBNL Window5 calculations have been provided
for the whole assembly, or verifying that the frame effects are captured within
the energy modeling software), or revise the model referencing ASHRAE 90.1-2004
Table A8.2 if needed."</font></span></span><div><font class="Apple-style-span" face="verdana, sans-serif"><span class="Apple-style-span" style="line-height: 12px;"><br></span></font></div><div><span style="font-size: 8.5pt; "><span class="Apple-style-span" style="font-size: small;"></span></span><font class="Apple-style-span" face="verdana, sans-serif"><span class="Apple-style-span" style="line-height: 12px;">Therefore, I plan to run Window5 for each window type. Then I will go into eQuest, remove the frames from the windows, and enter the Window5 calculated parameters for each widows. The ASHRAE 90.1-2004 Table A8.2 are terrible windows, often worse than Table 5.5.<br>
</span></font><div><font class="Apple-style-span" face="Verdana, sans-serif" size="3"><span class="Apple-style-span" style="font-size: 11px; line-height: 12px;"><br></span></font></div><div><font class="Apple-style-span" face="Verdana, sans-serif" size="3"><span class="Apple-style-span" style="font-size: 11px; line-height: 12px;"><br>
</span></font></div><div><font class="Apple-style-span" face="Verdana, sans-serif" size="3"><span class="Apple-style-span" style="font-size: 11px; line-height: 12px;"><br></span></font><br><div class="gmail_quote">On Tue, Sep 28, 2010 at 10:38 AM, Scott Meader <span dir="ltr"><<a href="mailto:smeaderequest@gmail.com">smeaderequest@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">I have recently inherited the task of finishing an eQuest model (and I have never used eQuest) that someone else has started for LEED EAc1. We have received comments form the LEED reviewer, one being:<br>
<br><span>1.
Windows and skylights for the Proposed Case were modeled with a U-value
of 0.32, which does not appear to account for the impact of the window
frames on the whole assembly as required by ASHRAE modeling protocol.
Please provide additional information to confirm that the framed
assembly U-value was used, or revise the model to reflect framed
assembly U-values as shown in ASHRAE 90.1-2004 Table A-8.2.<br><br>I have looked through the "Modeling Procedures Quick Reference Guide" and while it states you can edit or add window types in detailed mode, it skips over how to edit them. Can anyone give me some direction on how to proceed?<br>
<br>Thanks for the help.<br><br>Scott<br></span>
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<br></blockquote></div><br><br clear="all"><br>-- <br><span style="font-size:large">Brett Fero</span>, P.E., CEM, LEED-AP<div><b><span style="background-color:rgb(255, 255, 255)"><span style="font-size:large"><font face="georgia, serif"><font class="Apple-style-span" color="#990000">RobsonWoese, Inc</font></font></span></span></b></div>
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