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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'>Hey folks:<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'>We have done similar things to control
outside air and create positive pressure then look at the losses in a variety
of ways and have seen reports of work done by various labs and even reports on
whole buildings with the giant tractor trailer blower unit. They always
see much much higher than predicted/designed infiltration and higher energy
cost/comfort issues but not always significantly (5% is significant to me but
not to all) higher cost in heavy cooling areas due to what seems to be both the
infiltration that occurs when the conditioned air is cooler/less humid on the
interior and the comparatively low cost to cool. <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'>We have very limited experience in
industrial but in office, commercial, retail, and similar have seen from James
numbers (his range is mostly the low end we have seen) to 5 times them and even
more. The numbers tend to go completely crazy when we have tried to
look at real world effects and apply parameters such as actual in use
conditions for office, commercial or retail buildings. We have never seen
an existing building that was at the ‘design parameters’. I
am not saying that as a negative toward anyone who did or does design nor about
the assumptions in the models but am saying that it needs to be looked at as we
need to end up saving most of our energy, carbon, cost, whatever all you care
about through work on existing structures. We can not build our way to
enough savings of any type particularly in a 10 to 30 year horizon. <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'>I would not presume no infiltration at
plenums (2 years after a building is up seal up an area, pressurize it and see
what you get) and would assume significant infiltration at penthouses, elevator
rooms, and so on. <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'>Eric, my thought would be that if you are
going to apply a number across the board, so to speak, you may want to go to .20
bare minimum and I would suggest .25. My bet is James does a lot of .4 to
.5 in design work with very tight structures.<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'>We have not yet done anything specifically
following the letter of the newer large building standards/suggestions for
testing from ASTM/ASHRAE et al.<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'>Thanks,<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'>Andy <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>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Andy Hoover</span></font><font color=navy><span
style='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'>Principal<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'>The BEST Consultant, Inc.<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'>Office: 678-200-7648<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'>Fax:678-827-0574<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'>Cell: 678-793-1159<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=Calibri><span style='font-size:
11.0pt;color:navy'><a href="http://www.thebestconsultant.com">www.thebestconsultant.com</a></span></font><font
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face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'>
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</span></font></div>
<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-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>James V. Dirkes II P.E.<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, February 09, 2009
9:12 AM<br>
<b><span style='font-weight:bold'>To:</span></b> 'Doug Maddox'; 'Eric Studer';
bldg-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Bldg-sim]
Infiltration Schedule</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>You don't really do blower door testing on
100,000 - 1,000,000 sq.ft factory buildings, however we did something that
was roughly equivalent. My company's air handler product normally used a
control loop that monitored differential pressure between the building and the
outdoors, and then controlled the outdoor air amount to maintain a slight
(0.01") positive pressure. Since the controls were very often
digital and we could obtain data from the AHU performance, we knew what the
outdoor air control was doing over the course of a day, or weeks, or months.</span></font><font
size=3 face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>From that information, we created some
"rules of thumb" that were applied to new projects.</span></font><font
size=3 face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'> <o:p></o:p></span></font></p>
</div>
<p class=MsoNormal align=center style='text-align:center'><b><font size=4
face=Calibri><span style='font-size:13.5pt;font-weight:bold'>The Building
Performance Team<br>
</span></font>James V. Dirkes II, P.E., LEED AP<br>
</b><st1:Street w:st="on"><st1:address w:st="on">1631 Acacia Drive NW</st1:address></st1:Street><br>
<st1:place w:st="on"><st1:City w:st="on">Grand Rapids</st1:City>, <st1:State
w:st="on">MI</st1:State> <st1:PostalCode w:st="on">49504</st1:PostalCode></st1:place><br>
616 450 8653<o:p></o:p></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'> <o:p></o:p></span></font></p>
</div>
<blockquote style='margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'><o:p> </o:p></span></font></p>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'>
<hr size=3 width="100%" align=center tabIndex=-1>
</span></font></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><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'> Doug
Maddox [mailto:DougM@TWGI.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, February 09, 2009
8:59 AM<br>
<b><span style='font-weight:bold'>To:</span></b> James V. Dirkes II P.E.; Eric
Studer; bldg-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [Bldg-sim]
Infiltration Schedule</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><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'>Is the 0.2 to 0.5 ACH based on blower door
testing? Did you apply some sort of conversion to get from the blower
door pressure differential to a typical real world pressure?<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>
<div>
<p><font size=1 color=navy face=Arial><span style='font-size:9.0pt;font-family:
Arial;color:navy'>Doug Maddox<o:p></o:p></span></font></p>
<p><font size=1 color=navy face=Arial><span style='font-size:9.0pt;font-family:
Arial;color:navy'>The Weidt Group</span></font><o:p></o:p></p>
</div>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'>
<hr size=2 width="100%" align=center tabIndex=-1>
</span></font></div>
<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-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>James V. Dirkes II P.E.<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, February 09, 2009
7:30 AM<br>
<b><span style='font-weight:bold'>To:</span></b> 'Eric Studer';
bldg-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Bldg-sim]
Infiltration Schedule</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Dear Andy and Eric,</span></font><font
size=3 face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>My past experience with industrial
buildings (manufacturing, assembly, warehouses, etc) indicates that a good
building has an AVERAGE winter AC/hr of ~0.2. Poor buildings are on the
order of 0.5 (or more!) </span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>This doesn't address residences (which
often have much higher infiltration rates) offices or high rises, but it may be
helpful. Most of the literature I'm familiar with indicates that
infiltration is normally a lot higher than is generally assumed. My
experience confirms that.</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'> <o:p></o:p></span></font></p>
</div>
<p class=MsoNormal align=center style='text-align:center'><b><font size=4
face=Calibri><span style='font-size:13.5pt;font-weight:bold'>The Building
Performance Team<br>
</span></font>James V. Dirkes II, P.E., LEED AP<br>
</b><st1:Street w:st="on"><st1:address w:st="on">1631 Acacia Drive NW</st1:address></st1:Street><br>
<st1:place w:st="on"><st1:City w:st="on">Grand Rapids</st1:City>, <st1:State
w:st="on">MI</st1:State> <st1:PostalCode w:st="on">49504</st1:PostalCode></st1:place><br>
616 450 8653<o:p></o:p></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'> <o:p></o:p></span></font></p>
</div>
<blockquote style='margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'><o:p> </o:p></span></font></p>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'>
<hr size=2 width="100%" align=center tabIndex=-1>
</span></font></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><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-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Eric Studer<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, February 09, 2009
6:42 AM<br>
<b><span style='font-weight:bold'>To:</span></b> bldg-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Bldg-sim]
Infiltration Schedule</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><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'>I tend to model an air exchange rate of
0.15 ACH in perimeter spaces during unoccupied hours (e.g. outside air fans are
off with dampers closed) for new buildings (even if they have air
barriers). Vestibules, conditioned loading docks, etc usually get higher
air change rates. Zones with no exterior exposure should not be modeled
as having any infiltration since there is not a way for air at outside
conditions to make it to these zones. I assume no infiltration into
plenum zones. <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'>I am curious to know whether or not this
seems reasonable based on real world experience. Andy, any thoughts?<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'>Thanks,<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'>Eric<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>
<div>
<p class=MsoNormal><font size=2 color=navy face=Calibri><span style='font-size:
10.0pt;color:navy'>Ph: (781) 431-1100 ext 12<br>
Fax: (781) 431-1109</span></font><font color=navy><span
style='color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Calibri><span style='font-size:
11.0pt;color:navy'> </span></font><o:p></o:p></p>
</div>
<div>
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face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'>
<hr size=2 width="100%" align=center tabIndex=-1>
</span></font></div>
<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-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Andy hoover<br>
<b><span style='font-weight:bold'>Sent:</span></b> Friday, February 06, 2009
5:07 PM<br>
<b><span style='font-weight:bold'>To:</span></b> 'Talbert, Joshua';
bldg-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Bldg-sim]
Infiltration Schedule</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><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'>Hi all:<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'>We do building envelope consulting and are
very curious as to what folks do and what rates they use whatever
approach. When looking at buildings we find that most infiltrate
much more in the real world than designers estimate and that the fluctuations
are far greater than predicted. We would also love it if anyone has any
experiences which can be shared.<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'>Thanks,<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'>Andy <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>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Andy Hoover</span></font><font color=navy><span
style='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'>Principal<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'>The BEST Consultant, Inc.<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'>Office: 678-200-7648<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'>Fax:678-827-0574<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'>Cell: 678-793-1159<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=Calibri><span style='font-size:
11.0pt;color:navy'><a href="http://www.thebestconsultant.com">www.thebestconsultant.com</a></span></font><font
size=3 color=navy face="Times New Roman"><span style='font-size:12.0pt;
font-family:"Times New Roman";color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Calibri><span style='font-size:
11.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Calibri><span style='font-size:
11.0pt;color:navy'><o:p> </o:p></span></font></p>
<div class=MsoNormal align=center style='text-align:center'><font size=2
color=navy face=Calibri><span style='font-size:10.0pt;color:navy'>
<hr size=3 width="100%" align=center>
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<p><font size=1 color=gray face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:gray'>This message may contain confidential and/or privileged
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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-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Talbert, Joshua<br>
<b><span style='font-weight:bold'>Sent:</span></b> Friday, February 06, 2009
10:30 AM<br>
<b><span style='font-weight:bold'>To:</span></b> bldg-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [Bldg-sim] Infiltration
Schedule</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>Howdy
Bldg Sim peers!<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>While
working on LEED Equest simulations I find that in an effort to simplify I end
up deleting the P-Inf and C-Inf Infiltration Schedules all of the time and end
just use "<i><span style='font-style:italic'>undefined"</span></i> to
simulate a constant infiltration rate. I was curious to know if anyone
uses the actual Infiltrations schedules, to emulate winds and or building
pressurization, and if so do you typically achieve more energy savings, and do
you find it worth the extra effort?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>Thanks
all and be well.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>Josh<o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 color="#003366" face=Papyrus><span
style='font-size:12.0pt;font-family:Papyrus;color:#003366'>Joshua W. Talbert </span></font><font
size=2 color="#003366" face="Times New Roman"><span style='font-size:10.0pt;
font-family:"Times New Roman";color:#003366'>P.E., LEED-AP</span></font><font
size=3 color="#003366" face=Papyrus><span style='font-size:12.0pt;font-family:
Papyrus;color:#003366'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color="#003366" face=Papyrus><span
style='font-size:12.0pt;font-family:Papyrus;color:#003366'>Mechanical Engineer<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=5 color="#003366" face=Arial><span
style='font-size:16.0pt;font-family:Arial;color:#003366'>Hallam</span></font><b><font
size=5 color="#cc3300" face="Arial Black"><span style='font-size:16.0pt;
font-family:"Arial Black";color:#CC3300;position:relative;top:-1.0pt;
mso-text-raise:1.0pt;font-weight:bold'>///</span></font></b><font size=5
color="#003366" face=Arial><span style='font-size:16.0pt;font-family:Arial;
color:#003366'>ICS<o:p></o:p></span></font></p>
<p class=MsoNormal><st1:Street w:st="on"><st1:address w:st="on"><font size=2
color="#003366" face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:#003366'>38 Eastwood Dr. Suite 200</span></font></st1:address></st1:Street><font
size=2 color="#003366" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#003366'><o:p></o:p></span></font></p>
<p class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><font size=2
color="#003366" face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:#003366'>S. Burlington</span></font></st1:City><font size=2
color="#003366" face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:#003366'>, <st1:State w:st="on">VT</st1:State> <st1:PostalCode w:st="on">05403</st1:PostalCode></span></font></st1:place><font
size=2 color="#003366" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#003366'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#003366" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#003366'>P: (802) 658-4891<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#003366" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#003366'>F: (802) 658-1457<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#003366" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#003366'><o:p> </o:p></span></font></p>
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