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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'>Cyrus,<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'>If your building is in <st1:City w:st="on"><st1:place
w:st="on">Columbus</st1:place></st1:City>, you will have relatively mild
cooling seasons. If you request hourly output for your baseline and
retrofit runs and subtract to obtain hourly “savings”, you will
find that when the outside temperature is well below the indoor temperature,
you will see negative “savings” due to the reduction in “free
cooling” through the roof system. If these negative “savings”
more than offset the positive savings, you will obtain a net negative “savings”
overall.<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'>Glenn<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>
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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'>
equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Cyrus Grimes<br>
<b><span style='font-weight:bold'>Sent:</span></b> Friday, December 19, 2008
10:34 AM<br>
<b><span style='font-weight:bold'>To:</span></b> equest-users@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [Equest-users] Increase
in roof insulation increases cooling load.</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'>In
a parametric run the roofing insulation was increased from U= 0.063 to U=0.033.
by increasing the thickness of the “Insul Bd 2in (HF-B3)” of the
built up roof from 0.28 to 0.64.<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'>In
my results the HVAC cooling load increased by 4% and my heating load decreased
by 4%. Overall the net change was -1% energy savings.<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'>Is
this reasonable?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'> Any
suggestions?<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<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 color=white face=Arial><span style='font-size:
11.0pt;font-family:Arial;color:white;background:black'>
Cyrus Grimes, LEED<sup>®</sup>
AP
</span></font><font color=white face=Arial><span style='font-family:Arial;
color:white'>. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=red face=Arial><span style='font-size:
11.0pt;font-family:Arial;color:red'>
Mechanical Engineer<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span style='font-size:5.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><b><font size=1 face=Arial><span style='font-size:8.0pt;
font-family:Arial;font-weight:bold'>Corporate Office<o:p></o:p></span></font></b></p>
<p class=MsoNormal><st1:Street w:st="on"><st1:address w:st="on"><font size=1
face=Arial><span style='font-size:8.0pt;font-family:Arial'>1108 City Park
Avenue</span></font></st1:address></st1:Street><font size=1 face=Arial><span
style='font-size:8.0pt;font-family:Arial'>, 3<sup>rd</sup> Floor<o:p></o:p></span></font></p>
<p class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><font size=1
face=Arial><span style='font-size:8.0pt;font-family:Arial'>Columbus</span></font></st1:City><font
size=1 face=Arial><span style='font-size:8.0pt;font-family:Arial'>, <st1:State
w:st="on">Ohio</st1:State> <st1:PostalCode w:st="on">43206</st1:PostalCode></span></font></st1:place><font
size=1 face=Arial><span style='font-size:8.0pt;font-family:Arial'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span style='font-size:5.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span style='font-size:8.0pt;
font-family:Arial'>Phone (614) 443-1178 ext. 274<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span style='font-size:8.0pt;
font-family:Arial'>Fax: (614) 443-1594<o:p></o:p></span></font></p>
<p class=MsoNormal><i><font size=1 face=Arial><span style='font-size:6.0pt;
font-family:Arial;font-style:italic'>e-mail: cgrimes@dynamix-ltd.com<o:p></o:p></span></font></i></p>
<p class=MsoNormal><font size=1 face=Arial><span style='font-size:5.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=red face=Arial><span style='font-size:
11.0pt;font-family:Arial;color:red;letter-spacing:5.5pt'> www.dynamix-ltd.com<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=5 color="#007f00" face=Webdings><span
style='font-size:20.0pt;font-family:Webdings;color:#007F00'>P</span></font><font
color="#00007b" face=Arial><span style='font-family:Arial;color:#00007B'> </span></font><font
size=1 color="#007f00"><span style='font-size:7.5pt;color:#007F00'>Please
consider the environment before printing this e-mail note</span></font><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>
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