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<DIV dir=ltr align=left><SPAN class=967003803-16052008><FONT face=Tahoma
size=2>Allan,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=967003803-16052008><FONT face=Tahoma
size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=967003803-16052008><FONT face=Tahoma
size=2>No. There are no requirements in ASHRAE 90.1-2004 Appendix G for
cooling space thermostat settings; therefore you are allowed to set the
cooling thermostat to any temperature that you choose as long as the settings
are the same for both the baseline and proposed models. You did not
mention whether or not your models are being used for LEED certification, but
this method of setting cooling thermostat setpoints high enough to eliminate
cooling energy has been accepted by USGBC Energy and Atmosphere TAG and LEED
reviewers on other LEED projects. Note that this is my personal opinion
and should not be taken as an official ruling from ASHRAE or
USGBC.</FONT></SPAN></DIV>
<DIV><SPAN class=967003803-16052008><FONT face=Tahoma
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=967003803-16052008><FONT face=Tahoma
size=2>Dan</FONT></SPAN></DIV>
<DIV><SPAN class=967003803-16052008><FONT face=Tahoma color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=967003803-16052008>
<DIV align=left>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=497424915-14032008>
<DIV dir=ltr align=left><SPAN class=993394115-28112007><FONT color=#000000><FONT
face=Tahoma>Daniel A. Katzenberger,<SPAN class=967003803-16052008>
Principal,</SPAN> P.E., CEM, LEED-AP<SPAN class=497424915-14032008>
</SPAN></FONT></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=993394115-28112007><SPAN
class=446495221-05122007><SPAN class=967003803-16052008><FONT
face=Tahoma></FONT></SPAN></SPAN></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=993394115-28112007><SPAN
class=446495221-05122007><SPAN class=967003803-16052008></SPAN></SPAN><FONT
face=Tahoma color=#000000>Certified Energy Star Green Building
Engineer</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=993394115-28112007><SPAN
class=967003803-16052008><FONT face=Tahoma color=#000000>V.P. Minnesota Chapter
of the Association of Energy Engineers</FONT></SPAN></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=993394115-28112007><SPAN
class=967003803-16052008><FONT face=Tahoma color=#000000>Voting Member USGBC
Energy and Atmosphere Technical Advisory Group (EA
TAG)</FONT></SPAN></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=993394115-28112007><FONT
color=#0000ff></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=993394115-28112007><FONT face="Maiandra GD"
color=#000000><STRONG>Engineering, Energy, and the Environment,
LLC</STRONG></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=993394115-28112007><FONT face="Maiandra GD"
color=#000000>"<FONT color=#008000>The Green Group</FONT>"</FONT></SPAN></DIV>
<DIV dir=ltr align=left><FONT color=#000000><FONT face=Tahoma><SPAN
class=993394115-28112007><FONT size=1>420 North 5th Street, Suite 305,
</FONT></SPAN><SPAN class=993394115-28112007><FONT size=1>Minneapolis, MN
55401-1348</FONT></SPAN></FONT></FONT></DIV>
<DIV dir=ltr align=left><SPAN class=993394115-28112007><FONT size=1><FONT
color=#000000><FONT face=Tahoma><SPAN class=868411520-05032008>p. </SPAN>(612)
327-4210<SPAN class=069110020-03032008> <SPAN
class=868411520-05032008>f. (612)
338-5280</SPAN></SPAN></FONT></FONT></FONT></SPAN></DIV></SPAN></FONT></DIV></DIV></SPAN></DIV>
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<FONT face=Tahoma size=2><B>From:</B> bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <B>On Behalf Of </B>Allan
Fox<BR><B>Sent:</B> Thursday, May 15, 2008 2:48 PM<BR><B>To:</B>
bldg-sim@lists.onebuilding.org<BR><B>Subject:</B> [Bldg-sim] Appendix G
Baseline System for un-air conditioned zoobuilding<BR></FONT><BR></DIV>
<DIV></DIV>I am currently modeling a zoo building that is heated and
ventilated only. According to ASHRAE 90.1 Appendix G, I have to model
both heating and air conditioning even if no air conditioning exists. For this
size building I have to model a System 3 - rooftop air conditioner with gas
heat for both the base building and the proposed building. Is there anything
in Appendix G that would prevent me from setting the cooling thermostat
setpoint up to 90 degrees to prevent cooling energy from being included in the
simulation as long as I use the same setting for both proposed and base
models? <BR>
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<P align=left><B><FONT face=ArialMT
color=#002d56>———————————————————————————<BR></FONT><FONT face=ArialMT
color=#002d56 size=2>Allan Fox, P.E. CBCP, LEED AP</FONT></B><FONT
face=ArialMT color=#002d56 size=2><BR>Senior Mechanical Engineer <BR><A
href="mailto:afox@osborn-eng.com">afox@osborn-eng.com</A></FONT></P>
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