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<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'>Previous posts have confirmed my suspicions that increasing
the R-value of walls and roofs has little to no effect on energy performance,
due to the outside air requirements. <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'>This raises a few questions:<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 style='text-indent:.25in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>1. What is the most effective
way to use CO2 sensors to dramatically reduce the outside air requirements?<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>
<ol style='margin-top:0in' start=2 type=1>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Is it permissible to vary the
CFM between the base case and design case in the ASHRAE 90.1-2004 Appendix
G model, and consequently in the LEED template?</span></font> <font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></li>
</ol>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<ol style='margin-top:0in' start=3 type=1>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>What is the most effective way
to use CO2 monitoring in a building with 40 classrooms and other large
spaces. If one sensor is triggered, won’t the entire zone get
fresh air and defeat the energy savings?</span></font> <font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></li>
</ol>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<ol style='margin-top:0in' start=4 type=1>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>If every classroom has a
sensor, does any one have experience with the replaceable / Mail in
sensors to assure their accuracy.</span></font> <font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></li>
</ol>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<ol style='margin-top:0in' start=5 type=1>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>If I model this in Equest, do I
need a zone for every classroom.</span></font> <font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></li>
</ol>
<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'>Thank you for any feed back.<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 style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=4 color=navy face=Tahoma><span style='font-size:13.5pt;font-family:Tahoma;
color:navy'>James F. Geers</span></font><font face=Tahoma><span
style='font-family:Tahoma'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>Registered Architect</span></font></b><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>LEED Accredited Professional<o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=3 face=Tahoma><span style='font-size:12.0pt;font-family:Tahoma;font-weight:
bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>SFA Architects</span></font></b><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><st1:Street
w:st="on"><st1:address w:st="on"><b><font size=2 color=navy face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;color:navy;font-weight:bold'>300 West
Fourth Street</span></font></b></st1:address></st1:Street><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><st1:place
w:st="on"><st1:City w:st="on"><b><font size=2 color=navy face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;color:navy;font-weight:bold'>Cincinnati</span></font></b></st1:City><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>, <st1:State w:st="on">Ohio</st1:State> <st1:PostalCode
w:st="on">45202</st1:PostalCode></span></font></b></st1:place><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>513.721.0600</span></font></b><b><font color=navy
face=Tahoma><span style='font-family:Tahoma;color:navy;font-weight:bold'>
</span></font></b><b><font face=Tahoma><span style='font-family:Tahoma;
font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>513.721.0611 (fax)</span></font></b><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></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 style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=4 color=navy face=Tahoma><span style='font-size:13.5pt;font-family:Tahoma;
color:navy'>James F. Geers</span></font><font face=Tahoma><span
style='font-family:Tahoma'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>Registered Architect</span></font></b><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>LEED Accredited Professional<o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=3 face=Tahoma><span style='font-size:12.0pt;font-family:Tahoma;font-weight:
bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>SFA Architects</span></font></b><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><st1:Street
w:st="on"><st1:address w:st="on"><b><font size=2 color=navy face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;color:navy;font-weight:bold'>300
West Fourth Street</span></font></b></st1:address></st1:Street><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><st1:place
w:st="on"><st1:City w:st="on"><b><font size=2 color=navy face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;color:navy;font-weight:bold'>Cincinnati</span></font></b></st1:City><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>, <st1:State w:st="on">Ohio</st1:State> <st1:PostalCode
w:st="on">45202</st1:PostalCode></span></font></b></st1:place><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>513.721.0600</span></font></b><b><font color=navy
face=Tahoma><span style='font-family:Tahoma;color:navy;font-weight:bold'>
</span></font></b><b><font face=Tahoma><span style='font-family:Tahoma;
font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>513.721.0611 (fax)</span></font></b><b><font
face=Tahoma><span style='font-family:Tahoma;font-weight:bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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