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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>David,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>It’s possible that the sources you
referenced are looking at two different situations.<span
style='mso-spacerun:yes'> </span>The ASHRAE section 5.4.3.2 addresses
only fenestration and door products, whereas the eQuest defaults are probably
for the entire wall. <span style='mso-spacerun:yes'> </span>A standard sheet-rocked
walls air permeance rate is around 0.004 cfm/s.f., while the Section 5.4.3.2
rate for fenestration products is 0.4 cfm/s.f. (100 times greater.) <span
style='mso-spacerun:yes'> </span>It would make sense that the entire wall
(after average weighting these surfaces) might be around 0.04 cfm/s.f.<span
style='mso-spacerun:yes'> </span>I don’t believe that ASHRAE 90.1
addresses the entire wall infiltration rate (just joint sealing and
fenestration products.)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>LOD<o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=2 color=navy face="Comic Sans MS"><span
style='font-size:10.0pt;font-family:"Comic Sans MS";color:navy;mso-no-proof:
yes'>================================================</span></font><font
color=navy><span style='color:navy;mso-no-proof:yes'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Comic Sans MS"><span
style='font-size:10.0pt;font-family:"Comic Sans MS";color:navy;mso-no-proof:
yes'>Larry O. Degelman,
P.E. </span></font><font
color=navy><span style='color:navy;mso-no-proof:yes'><a
href="mailto:ldegelman@suddenlink.net"><font size=2 face="Comic Sans MS"><span
style='font-size:10.0pt;font-family:"Comic Sans MS"'>ldegelman@suddenlink.net</span></font></a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Comic Sans MS"><span
style='font-size:10.0pt;font-family:"Comic Sans MS";color:navy;mso-no-proof:
yes'>Professor Emeritus of Architecture 1-979-696-2506</span></font><font
color=navy><span style='color:navy;mso-no-proof:yes'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Comic Sans MS"><span
style='font-size:10.0pt;font-family:"Comic Sans MS";color:navy;mso-no-proof:
yes'>Texas A&M University</span></font><font color=navy><span
style='color:navy;mso-no-proof:yes'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Comic Sans MS"><span
style='font-size:10.0pt;font-family:"Comic Sans MS";color:navy;mso-no-proof:
yes'>===============================================</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> BLDG-SIM@gard.com
[mailto:BLDG-SIM@gard.com] <b><span style='font-weight:bold'>On Behalf Of </span></b>Zhen
Tian<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, June 13, 2007
1:30 AM<br>
<b><span style='font-weight:bold'>To:</span></b> BLDG-SIM@gard.com<br>
<b><span style='font-weight:bold'>Subject:</span></b> [BLDG-SIM] Infiltration
rate in ASHRAE 90.1-2004</span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Dear all,<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>I have a question about the infiltration rate in the
ASHRAE 90.1-2004. As we simulate the base case building energy use, we try to
find out what is the reference infiltration rate setup up by ASHRAE 90.1-2004.
However, we only find in section 5.4.3.2 (page 180) value is "2.0 L/s.m2
for other products". When we use e-QUEST to simulate the building energy
use, we found that the default infiltration rate is set as 0.038 CFM/ft2 for
exterior wall area, which is about 0.2 L/s.m2 per exterior wall area.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Could somebody tell me what is the reference
infiltration rate per square exterior wall area based on ASHRAE 90.1-2004.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Thank you very much for your help in advance.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Regards,<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>David<o:p></o:p></span></font></p>
</div>
<p style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><span style='mso-spacerun:yes'> </span><o:p></o:p></span></font></p>
<div class=MsoNormal align=center style='margin-left:.5in;text-align:center'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=1 width="100%" align=center>
</span></font></div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Looking for a deal? <a
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