<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:large;color:#073763">Let's nail down this problem to E+ because DesignBuilder gives you just an interface to translate everything to E+ language. Would you mind sharing your IDFs?</div></div><br><div class="gmail_quote"><div dir="ltr">On Thu, Sep 6, 2018 at 10:31 AM Kiran Ghosh via Bldg-sim <<a href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div dir="ltr">Hi,</div><div dir="ltr"><br></div><div dir="ltr">I have checked the inputs and schedule for each IDF file. It is literally the same model with just the U-value for external walls edited. Could the heat gain through the walls effect the electricity consumption for lighting and equipment in any way (since that is the only thing changing because of a different u value)?</div><div dir="ltr"><br></div><div dir="ltr">Kiran K Ghosh</div><div dir="ltr">Research Associate</div><div dir="ltr">TERI</div><div dir="ltr"><br><br>---------- Forwarded message ----------<br>From: Jim Dirkes <<a href="mailto:jim@buildingperformanceteam.com" target="_blank">jim@buildingperformanceteam.com</a>><br>To: Kiran Ghosh <<a href="mailto:kirankghosh31@gmail.com" target="_blank">kirankghosh31@gmail.com</a>><br>Cc: BLDG-SIM <<a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a>><br>Bcc: <br>Date: Wed, 5 Sep 2018 16:06:19 -0400<br>Subject: Re: [Bldg-sim] Reg: Query For DesignBuilder<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div style="font-size:large">All lighting and equipment values are within 1% of each other. That's probably close enough to be considered "the same", considering the complex E+ calculations and some rounding errors, but it is less close than seems reasonable. Have you compared inputs and schedules for each of those in each IDF?</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Sep 5, 2018 at 8:56 AM, Kiran Ghosh via Bldg-sim <span dir="ltr"><<a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi,<div><br></div><div>I am currently modelling a simple HVAC model on DesignBuilder. I need to run the simulation to obtain annual electricity consumption due to Cooling, Lighting and Interior Equipment for different construction materials. For some reason, while all the input is the same apart from the U value for the external wall, the electricity end-use for lighting and interior equipment changes as follows:</div><div><br></div><div><table width="203" style="border-collapse:collapse;width:152pt" border="0" cellspacing="0" cellpadding="0">
<colgroup><col width="64" style="width:48pt" span="2">
<col width="75" style="width:56pt">
</colgroup><tbody><tr height="20" style="height:15pt">
<td width="64" height="20" class="m_-3686583919017267511m_-1809514537248042637m_-3019716534421661106gmail-xl63" style="height:15pt;width:48pt;text-align:center;vertical-align:middle;border:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;white-space:nowrap">U value</td>
<td width="64" class="m_-3686583919017267511m_-1809514537248042637m_-3019716534421661106gmail-xl63" style="border-left:none;width:48pt;text-align:center;vertical-align:middle;border-top:0.5pt solid windowtext;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;white-space:nowrap">Lighting</td>
<td width="75" class="m_-3686583919017267511m_-1809514537248042637m_-3019716534421661106gmail-xl63" style="border-left:none;width:56pt;text-align:center;vertical-align:middle;border-top:0.5pt solid windowtext;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;white-space:nowrap">Equipment</td>
</tr>
<tr height="20" style="height:15pt">
<td height="20" class="m_-3686583919017267511m_-1809514537248042637m_-3019716534421661106gmail-xl63" style="height:15pt;border-top:none;text-align:center;vertical-align:middle;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;border-left:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;white-space:nowrap">2.04</td>
<td class="m_-3686583919017267511m_-1809514537248042637m_-3019716534421661106gmail-xl63" style="border-top:none;border-left:none;text-align:center;vertical-align:middle;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;white-space:nowrap">496.38</td>
<td class="m_-3686583919017267511m_-1809514537248042637m_-3019716534421661106gmail-xl63" style="border-top:none;border-left:none;text-align:center;vertical-align:middle;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;white-space:nowrap">885.89</td>
</tr>
<tr height="20" style="height:15pt">
<td height="20" class="m_-3686583919017267511m_-1809514537248042637m_-3019716534421661106gmail-xl63" style="height:15pt;border-top:none;text-align:center;vertical-align:middle;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;border-left:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;white-space:nowrap">2</td>
<td class="m_-3686583919017267511m_-1809514537248042637m_-3019716534421661106gmail-xl63" style="border-top:none;border-left:none;text-align:center;vertical-align:middle;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;white-space:nowrap">494.72</td>
<td class="m_-3686583919017267511m_-1809514537248042637m_-3019716534421661106gmail-xl63" style="border-top:none;border-left:none;text-align:center;vertical-align:middle;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;white-space:nowrap">880.84</td>
</tr>
<tr height="20" style="height:15pt">
<td height="20" class="m_-3686583919017267511m_-1809514537248042637m_-3019716534421661106gmail-xl63" style="height:15pt;border-top:none;text-align:center;vertical-align:middle;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;border-left:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;white-space:nowrap">1.85</td>
<td class="m_-3686583919017267511m_-1809514537248042637m_-3019716534421661106gmail-xl63" style="border-top:none;border-left:none;text-align:center;vertical-align:middle;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;white-space:nowrap">487.9</td>
<td class="m_-3686583919017267511m_-1809514537248042637m_-3019716534421661106gmail-xl63" style="border-top:none;border-left:none;text-align:center;vertical-align:middle;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;white-space:nowrap">860.3</td>
</tr>
</tbody></table></div><div><br></div><div><div>The LPD and Equipment Power Density remains the same with the same schedule, why is the annual electricity consumption changing? </div>--<br><div class="m_-3686583919017267511m_-1809514537248042637m_-3019716534421661106gmail_signature" dir="ltr" data-smartmail="gmail_signature"><div dir="ltr"><div style="font-size:small">Thanks and Regards</div><div style="font-size:small"><font color="#444444" face="tahoma, sans-serif" size="1">Kiran K Ghosh</font></div><div style="font-size:small"><font color="#444444" face="tahoma, sans-serif" size="1">+919582904515</font></div><div style="font-size:small"><font color="#444444" face="tahoma, sans-serif" size="1">+918152036434</font></div><div style="font-size:small"><font color="#444444" face="tahoma, sans-serif" size="1"><a href="mailto:kirankghosh31@gmail.com" target="_blank">kirankghosh31@gmail.com</a></font></div></div></div></div></div>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="m_-3686583919017267511m_-1809514537248042637gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><p><span style="font-size:10pt;font-family:Arial,sans-serif;color:black;background-image:initial;background-repeat:initial"></span></p>James V Dirkes II, CEO / President<br>The Building Performance Team Inc.<br>1631 Acacia Dr, Grand Rapids, MI 49504</div><div dir="ltr"><br></div><div dir="ltr">(alphabet soup of efforts for greater understanding: PE, BEMP, BCxP, LEED AP)<br><br>Direct / Mobile: 616.450.8653<br><a href="mailto:jim@buildingperformanceteam.com" target="_blank">jim@buildingperformanceteam.com</a><br><br><a href="http://buildingperformanceteam.com" target="_blank">Website </a>l <a href="https://www.linkedin.com/pub/jim-dirkes/7/444/413" target="_blank">LinkedIn</a><p align="center" style="margin-bottom:0in;margin-bottom:.0001pt;text-align:center"><b><i><span style="font-size:14.0pt;line-height:115%;font-family:"MS Reference Sans Serif","sans-serif""> </span></i></b><span style="font-family:"MS Reference Sans Serif","sans-serif""></span></p><p style="vertical-align:middle">
</p><p style="margin-bottom:6.0pt;text-autospace:none"><span style="font-family:Calibri,sans-serif"><font color="#0000ff" size="4"></font></span></p><pre style="white-space:pre-wrap"><p style="margin-bottom:6.0pt;text-autospace:none"><b><font face="Calibri, sans-serif"><span style="font-size:13.3333px">Coffee conversation:</span></font></b></p><p style="margin-bottom:6.0pt;text-autospace:none"><span style="color:rgb(51,51,51);font-family:Calibri,sans-serif;font-size:10pt">Former gang member counseling a </span><span style="color:rgb(51,51,51);font-family:Calibri,sans-serif;font-size:10pt">friend about how to improve his public speaking: "You have to pepper your talk </span><span style="color:rgb(51,51,51);font-family:Calibri,sans-serif;font-size:10pt">with self-defecating humor. "</span></p><p style="margin-bottom:6.0pt;text-autospace:none"><span style="font-size:10pt;font-family:Calibri,sans-serif;color:rgb(51,51,51);background-image:initial;background-position:initial;background-repeat:initial">Friend: "No shit."</span></p></pre></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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</blockquote></div><br clear="all"><br>-- <br><div class="m_-3686583919017267511gmail_signature" dir="ltr" data-smartmail="gmail_signature"><div dir="ltr"><div style="font-size:small">Thanks and Regards</div><div style="font-size:small"><font color="#444444" face="tahoma, sans-serif" size="1">Kiran K Ghosh</font></div><div style="font-size:small"><font color="#444444" face="tahoma, sans-serif" size="1">+919582904515</font></div><div style="font-size:small"><font color="#444444" face="tahoma, sans-serif" size="1">+918152036434</font></div><div style="font-size:small"><font color="#444444" face="tahoma, sans-serif" size="1"><a href="mailto:kirankghosh31@gmail.com" target="_blank">kirankghosh31@gmail.com</a></font></div></div></div></div>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><font face="arial, helvetica, sans-serif"><div style="font-size:large;font-style:italic"><i><font color="#0b5394"><br></font></i></div><font color="#073763" size="2">Javed Iqbal, LEED AP, CEA<br>Sr. Energy Analyst</font></font></div><div dir="ltr"><font size="2"><font face="arial, helvetica, sans-serif" color="#000000"><br></font></font></div><div dir="ltr"><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>