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<p class=MsoNormal><b><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;font-weight:bold'>Brian,<o:p></o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;font-weight:bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;font-weight:bold'>Duct
energy loss due to leakage is a real, significant problem that is well
documented. Check out <a href="http://epb1.lbl.gov/aerosol/index.html">http://epb1.lbl.gov/aerosol/index.html</a>
for more publications on duct leakage and aerosol sealing. You might want to
contact Dr. Mark Modera for his experience with the duct sealing technologies (<a
href="mailto:mpmodera@lbl.gov">mpmodera@lbl.gov</a>; </span></font></b><b><font
size=2 color=black face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:black;font-weight:bold'>mark</span></font></b><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>.<b><span
style='font-weight:bold'><a href="mailto:modera@carrier.utc.com">modera<span
style='font-weight:normal'>@</span>carrier<span style='font-weight:normal'>.utc.com</span></a></span></b>).
</span></font><b><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy;font-weight:bold'> <o:p></o:p></span></font></b></p>
<div>
<div>
<p style='margin:0in;margin-bottom:.0001pt'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'>___________________________________________</span></font><font
size=2 color=navy face=Verdana><span style='font-size:10.0pt;font-family:Verdana;
color:navy'>__________</span></font><font color=navy><span style='color:navy'> <br>
</span></font><font size=2 color=navy face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:navy'>Tengfang (Tim)
Xu, Ph.D., PE</span></font><font color=navy><span style='color:navy'> <br>
</span></font><font size=2 color=navy face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:navy'>Building
Technologies Department</span></font><font color=navy><span style='color:navy'>
<br>
</span></font><font size=2 color=navy face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:navy'>Environmental
Energy Technologies Division</span></font><font color=navy><span
style='color:navy'> <br>
</span></font><font size=2 color=navy face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:navy'>Lawrence Berkeley
National Laboratory</span></font><font color=navy><span style='color:navy'> <br>
</span></font><font size=2 color=navy face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:navy'>One Cyclotron
Road
Tel: (510) 486-7810</span></font><font color=navy><span style='color:navy'> <br>
</span></font><font size=2 color=navy face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:navy'>BLDG
90R3111
Fax: (510) 486-4089</span></font><font color=navy><span style='color:navy'> <br>
</span></font><st1:place w:st="on"><st1:City w:st="on"><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'>Berkeley</span></font></st1:City><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'>, <st1:State w:st="on">CA</st1:State> <st1:PostalCode w:st="on">94720-8134</st1:PostalCode></span></font></st1:place><font
size=2 color=navy face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:navy'> Email: <st1:PersonName
w:st="on">ttxu@lbl.gov</st1:PersonName> http://eetd.lbl.gov/Staff/XuTT<o:p></o:p></span></font></p>
<p style='margin:0in;margin-bottom:.0001pt'><font size=2 color=navy
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:navy'>_________________________________________________________</span></font><font
color=navy><span style='color:navy'> <o:p></o:p></span></font></p>
</div>
</div>
<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>
<div>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
BLDG-SIM@gard.com [mailto:BLDG-SIM@gard.com] <b><span style='font-weight:bold'>On
Behalf Of </span></b>Brian Thornton<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, May 29, 2007 8:14
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] HVAC duct
losses and energy impact</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><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'>1) Any real world data on new and older
building HVAC duct losses, or anecdotal evidence or opinions about significance
of duct losses on energy usage?<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'>2) There are commercial retrofit and new
duct sealing technologies that go beyond standard seam sealing. Any
experience or opinions about the effectiveness and energy savings benefit of
any of those? <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 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Brian Thornton PE<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoAutoSig><st1:place w:st="on"><st1:City w:st="on"><font size=2
face=Arial><span style='font-size:11.0pt;font-family:Arial'>Thornton</span></font></st1:City></st1:place><font
size=2 face=Arial><span style='font-size:11.0pt;font-family:Arial'> Energy
Consulting<o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=2 face=Arial><span style='font-size:11.0pt;
font-family:Arial'>p. 503-231-6600 f. 503-231-3555<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face=Arial><span style='font-size:11.0pt;
font-family:Arial'>thorntonenergy@comcast.net<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<pre><font size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>==================<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>You received this e-mail because you are subscribed <o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>to the BLDG-SIM@GARD.COM mailing list. To unsubscribe <o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>from this mailing list send a blank message to <o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>BLDG-SIM-UNSUBSCRIBE@GARD.COM<o:p></o:p></span></font></pre></div>
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