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<p class="MsoNormal"><span style="font-family:"Arial Narrow","sans-serif";color:#1F497D">Ok here goes – copying the group in case anyone else has better feedback<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial Narrow","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial Narrow","sans-serif";color:#1F497D">At first glance here’s a couple of impression. I don’t do too many single family homes, so my mental validation might be off.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial Narrow","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol;color:#1F497D"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-family:"Arial Narrow","sans-serif";color:#1F497D">The fan load is high compared to everything else. Partly because everything else is really low. Your annual EUI is 13.2 KBTU/ft2-yr – that’s very low – even for
a house. This makes sense with a GSHP. <o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol;color:#1F497D"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-family:"Arial Narrow","sans-serif";color:#1F497D">1” static pressure on your fans might be high for a residential terminal unit that’s not ducted.
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol;color:#1F497D"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-family:"Arial Narrow","sans-serif";color:#1F497D">PVVT might not be the best system choice to go with a ground loop – try a water loop heat pump. You will still have fan energy, but with a terminal unit (as opposed
to a ducted one) you should see that go down. <o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol;color:#1F497D"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-family:"Arial Narrow","sans-serif";color:#1F497D">The heat recovery system for the ventilator is a more complex matter that will require you to go well beyond the SD wizard. You will need to model a DOAS with
energy recovery. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial Narrow","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial Narrow","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial Narrow","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="line-height:12.0pt"><b><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#E33B45">Vikram Sami</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><br>
</span><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666">Associate Partner</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.0pt"><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666">ZGF ARCHITECTS LLP</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><br>
</span><b><span style="font-size:7.5pt;font-family:"Futura LT Book";color:#E33B45">T
</span></b><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666">206.521.3509
</span><b><span style="font-size:7.5pt;font-family:"Futura LT Book";color:#E33B45">E
</span></b><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666">vikram.sami@zgf.com</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><br>
</span><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666">925 Fourth Avenue, Suite 2400
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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>Sami, Vikram<br>
<b>Sent:</b> Tuesday, September 17, 2013 3:17 PM<br>
<b>To:</b> James Mathias; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] One question about eQUEST<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Arial Narrow","sans-serif";color:#1F497D">James,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial Narrow","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial Narrow","sans-serif";color:#1F497D">What is your system selection? Also – could you attach your inp file?
<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.0pt"><b><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#E33B45">Vikram Sami</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><br>
</span><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666">Associate Partner</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.0pt"><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666">ZGF ARCHITECTS LLP</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><br>
</span><b><span style="font-size:7.5pt;font-family:"Futura LT Book";color:#E33B45">T
</span></b><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666">206.521.3509
</span><b><span style="font-size:7.5pt;font-family:"Futura LT Book";color:#E33B45">E
</span></b><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666"><a href="mailto:vikram.sami@zgf.com">vikram.sami@zgf.com</a></span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><br>
</span><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666">925 Fourth Avenue, Suite 2400
<br>
Seattle, WA 98104</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";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"">
<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a> [<a href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>James Mathias<br>
<b>Sent:</b> Monday, September 16, 2013 3:04 PM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> [Equest-users] One question about eQUEST<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">I have one, I think fairly simple questions about eQUEST.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">1. My simulation shows quite a bit of energy used by ventilation fans but it is for a simulation of a house that does not have ventilation fans. Where can I tell eQUEST
there are no ventilation fans? I do actually have an heat recovery ventilation system but it runs for about only 2 hours each day. Does eQUEST have the ability to simulate that also?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">James Mathias, Ph.D., P.E.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Associate Professor<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Mechanical Engineering and Energy Processes<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Mailcode 6603<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">ENGR E-024, 1230 Lincoln Drive<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Carbondale, IL 62901<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">618-453-7016, -7658 fax</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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