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<DIV dir=ltr align=left><SPAN class=641363515-13062007><FONT
color=#000080>Tianzhen,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=641363515-13062007><FONT
color=#000080></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=641363515-13062007><FONT
color=#000080>ASHRAE 90.1-2004 doesn't address the infiltration rate in terms of
infiltration rate per square foot of exterior wall area. The default value
of 0.038 cfm/sf of exterior wall area in eQUEST may be derived from
the old ASHRAE Standard 1989 version. It is always a challenge to
define the infiltration rate in the commercial buildings. It is worthy to
read a field test report by NIST, titled as <EM>Analysis of Ventilation
Data from the U.S. Environmental Protection Agency Building Assessment Survey
and Evaluation (BASE) Study.</EM> Here is the link to this report: <A
href="http://fire.nist.gov/bfrlpubs/build04/PDF/b04043.pdf">http://fire.nist.gov/bfrlpubs/build04/PDF/b04043.pdf</A></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=641363515-13062007><FONT
color=#000080></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=641363515-13062007><FONT
color=#000080>PNNL's Technical Support Document for the Development of the
Advanced Energy Design Guides also documented the infiltration rate assumptions
for both the baseline building (900.1-1999 version) and the advanced cases.
</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=641363515-13062007><FONT color=#000080><A
href="http://www.pnl.gov/main/publications/external/technical_reports/PNNL-16031.pdf">http://www.pnl.gov/main/publications/external/technical_reports/PNNL-16031.pdf</A></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=641363515-13062007><FONT color=#000080><A
href="http://www.pnl.gov/main/publications/external/technical_reports/PNNL-16250.pdf">http://www.pnl.gov/main/publications/external/technical_reports/PNNL-16250.pdf</A></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=641363515-13062007></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=641363515-13062007> </SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=641363515-13062007></SPAN><SPAN
class=641363515-13062007></SPAN><SPAN class=641363515-13062007><FONT
color=#000080>Hope it helps. </FONT></SPAN></DIV><!-- Converted from text/rtf format -->
<P><SPAN lang=en-us><FONT face="Comic Sans MS"
color=#008000>Bing</FONT><U></U><U></U></SPAN> <BR><SPAN lang=en-us><U><FONT
face=Arial
size=2>
</FONT></U></SPAN><BR><SPAN lang=en-us><I><FONT face="Times New Roman"
color=#008080>Bing Liu, PE, CEM, LEED AP</FONT></I></SPAN> <BR><SPAN
lang=en-us><FONT face="Times New Roman" color=#008080 size=2>Senior Research
Engineer</FONT></SPAN> <BR><SPAN lang=en-us><FONT face="Times New Roman"
color=#008080 size=2>Pacific Northwest National Laboratory</FONT></SPAN>
<BR><SPAN lang=en-us><FONT face="Times New Roman" color=#008080 size=2>902
Battelle Blvd, MSIN:K5-16</FONT></SPAN> <BR><SPAN lang=en-us><FONT
face="Times New Roman" color=#008080 size=2>Richland, WA 99352</FONT></SPAN>
<BR><SPAN lang=en-us><FONT face="Times New Roman" color=#008080
size=2>Tel: (509) 375-3710</FONT></SPAN> <BR><SPAN lang=en-us><FONT
face="Times New Roman" color=#008080 size=2>Fax: (509) 375-3614</FONT></SPAN>
</P>
<DIV><FONT color=#000080></FONT> </DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> BLDG-SIM@gard.com
[mailto:BLDG-SIM@gard.com] <B>On Behalf Of </B>Zhen Tian<BR><B>Sent:</B>
Tuesday, June 12, 2007 11:30 PM<BR><B>To:</B>
BLDG-SIM@gard.com<BR><B>Subject:</B> [BLDG-SIM] Infiltration rate in ASHRAE
90.1-2004<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV>Dear all,</DIV>
<DIV> </DIV>
<DIV>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.</DIV>
<DIV> </DIV>
<DIV>Could somebody tell me what is the reference infiltration rate per square
exterior wall area based on ASHRAE 90.1-2004.</DIV>
<DIV> </DIV>
<DIV>Thank you very much for your help in advance.</DIV>
<DIV> </DIV>
<DIV>Regards,</DIV>
<DIV> </DIV>
<DIV>David</DIV>
<P>
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