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<p class=MsoNormal><span style='color:#1F497D'>Peter,<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>This is the exact reason I’ve
come to really enjoy energy modeling. Anytime you get results that you
don’t expect, whether your preconceptions are right or wrong, you’re
bound to learn something – sometime profound!<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>You must make the call on
whether this makes sense ultimately, but there are probably reasonable
explanations for what you’re seeing. It would help us help you if
you shared more, like what climate the building is in, what systems you’re
using… etc. You will want to come up with explanations, then
investigate the model results to see if that syncs with the behavior modeled.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>As a start: R-27 is a high wall
value – Note that walls/roofs can be both over- and under-insulated. Likely,
you’re seeing gas savings from losing less heat in the winter and thus
having less heating load, while simultaneously trapping heat inside your
building during the cooling months, increasing your cooling equipment
loads. Hard to make more specific guesses without more information.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Sidenote – take care that
you’re not skewing results by wiping out the effects of wall studs when
comparing a new baseline insulation value (Re: Table A9.2.B, 90.1-2004/2007).<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>~Nick<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><span style='color:#1F497D'><img width=119 height=37
id="_x0000_i1027" src="cid:image001.jpg@01CB07C2.5FA50050"
alt="cid:489575314@22072009-0ABB"></span><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><b><span style='font-size:12.0pt;
font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:7.5pt;color:#CC9900'>PROJECT ENGINEER</span><span
style='font-size:7.5pt;font-family:"Times New Roman","serif";color:#CC9900'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>25501 west
valley parkway<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>olathe ks 66061<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>direct 913
344.0036<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>fax 913
345.0617<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;color:#2D4D5E'>Check out
our new web-site @ </span></i><span style='color:#1F497D'><a
href="www.smithboucher.com" title="blocked::www.smithboucher.com"><span
style='font-size:10.0pt'>www.smithboucher.com</span></a></span><u><span
style='font-size:10.0pt;color:blue'> </span></u><span style='color:#1F497D'><o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org]
<b>On Behalf Of </b>Peter Hillermann<br>
<b>Sent:</b> Wednesday, June 09, 2010 10:48 AM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] U-Values<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>To All,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I seem to be having some issues with my baseline design and
my first parametric run. (I am working in detail mode with INP file) When I
make my baseline wall value R-13 and change it in my run to R-27 my heating
(MBTU) load goes down by 4% however my electric rate (kWh) goes up 1%. I
don’t really understand because I thought both would have gone down. Am I
doing something wrong?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><b><span lang=DE style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk";
letter-spacing:1.0pt'>PETER HILLERMANN<o:p></o:p></span></b></p>
<p class=MsoNormal><span lang=DE style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk";
letter-spacing:1.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=DE style='font-size:8.0pt;font-family:"ITC Avant Garde Gothic Demi";
letter-spacing:1.0pt'><a href="mailto:peterh@westallarchitects.com">peterh@westallarchitects.com</a><o:p></o:p></span></p>
<p class=MsoNormal><span lang=DE style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk";
letter-spacing:1.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal style='line-height:75%'><b><span lang=DE style='font-size:
14.0pt;line-height:75%;font-family:"ITC Avant Garde Std Md";letter-spacing:
1.0pt'>westall</span></b><span lang=DE style='font-size:14.0pt;line-height:
75%;font-family:"Times New Roman","serif";letter-spacing:1.0pt'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:4.0pt;line-height:75%'><b><span
style='font-size:14.0pt;line-height:75%;font-family:"ITC Avant Garde Std Md";
letter-spacing:1.0pt'>architects</span></b><span style='font-size:14.0pt;
line-height:75%;letter-spacing:1.0pt'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk";
letter-spacing:1.0pt'>3404 pierce drive<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk";
letter-spacing:1.0pt'>chamblee, georgia 30341<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk";
letter-spacing:1.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk";
letter-spacing:1.0pt'>o 770.458.4113<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk";
letter-spacing:1.0pt'>f 770.458.5352<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk";
letter-spacing:1.0pt'>c 678.898.2936<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk";
letter-spacing:1.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Gothic Demi";
letter-spacing:1.0pt'>westallarchitects.com</span><span style='font-size:12.0pt;
font-family:"Times New Roman","serif";letter-spacing:1.0pt'><o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
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