<div dir="ltr"><div class="gmail_default" style="color:rgb(0,0,102);font-family:tahoma,sans-serif">Hey Anthony,</div><div class="gmail_default" style="color:rgb(0,0,102);font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="color:rgb(0,0,102);font-family:tahoma,sans-serif">I believe you're absolutely right. Because of this confusion I posted in the forum!</div><div class="gmail_default" style="color:rgb(0,0,102);font-family:tahoma,sans-serif">In my case, this is climate zone 5A. Supply Air is more than 5000 cfm per fan. And the proposed system is on 100% OA with HR wheel. It's for a car-repair bay/garage. </div><div class="gmail_default" style="color:rgb(0,0,102);font-family:tahoma,sans-serif">So you think the Baseline won't need an Heat Recovery Wheel? Should I be modeling it as even 100% OA?</div><div class="gmail_extra"><br></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div><font color="#073763" face="tahoma, sans-serif">Best,</font></div><div><font color="#073763" face="tahoma, sans-serif">Aru Sau</font><font color="#38761d" face="Georgia, serif"><i><br></i></font></div><span style="border-collapse:collapse"><span style="background-color:rgb(255,255,255)"><div><div><font color="#38761d" face="garamond, serif" size="2"><b>Architectural Sustainability | Energy Analyst</b></font></div><div><font color="#38761d" size="2"><font face="garamond, serif"><div><font color="#38761d"><span style="font-family:garamond,serif;font-size:small"><i><u>analyzing the ROI of your sustainable initiatives... </u></i></span><font face="garamond, serif" size="2"><b><br></b></font></font></div></font></font></div><div><font color="#38761d" size="2"><font face="garamond, serif"><b>c: 678-467-7934, </b></font><b style="font-family:garamond,serif">Ann Arbor, MI</b></font></div><div><br></div><p></p></div></span><div></div></span><div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On Tue, Nov 29, 2016 at 4:44 PM, Anthony <span dir="ltr"><<a href="mailto:Anthony@greenengineer.com" target="_blank">Anthony@greenengineer.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div lang="EN-US" vlink="purple" link="blue"><div class="m_145872483632545963WordSection1"><p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri","sans-serif";font-size:11pt">Aru,<u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri","sans-serif";font-size:11pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri","sans-serif";font-size:11pt">I may be reading the question wrong but the proposed case system does NOT dictate baseline case ERV requirements. If the autosized baseline case systems meet the characteristics outlined in 90.1-2007(?) Section G3.1.2.10, then an ERV must be included on that system unless one of the exceptions apply. <u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri","sans-serif";font-size:11pt"><u></u> <u></u></span></p><p class="MsoNormal"><b><span style="color:black;font-family:"Calibri","sans-serif";font-size:11pt">Anthony Hardman, </span></b><b><span style="color:black;font-family:"Calibri","sans-serif";font-size:10pt">PE, BEAP, LEED AP BD+C<u></u><u></u></span></b></p><p class="MsoNormal"><span style="color:black;font-family:"Calibri","sans-serif";font-size:10pt">Senior Building Performance Analyst</span><span style="color:black;font-family:"Calibri","sans-serif";font-size:11pt"><u></u><u></u></span></p><p class="MsoNormal"><b><span style="color:rgb(0,176,80);font-family:"Calibri","sans-serif";font-size:11pt">The Green Engineer, Inc.<u></u><u></u></span></b></p><p class="MsoNormal"><span style="color:black;font-family:"Calibri","sans-serif";font-size:10pt"><a href="tel:(978)%20610-2801" target="_blank" value="+19786102801">(978) 610-2801</a><u></u><u></u></span></p><p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri","sans-serif";font-size:11pt"><u></u> <u></u></span></p><p class="MsoNormal"><b><span style="font-family:"Tahoma","sans-serif";font-size:10pt">From:</span></b><span style="font-family:"Tahoma","sans-serif";font-size:10pt"> Darryl Kasun via Equest-users [mailto:<a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.<wbr>onebuilding.org</a>] <br><b>Sent:</b> Monday, November 28, 2016 10:12 PM<br><b>To:</b> Arunabha Sau<br><b>Cc:</b> <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.<wbr>onebuilding.org</a><br><b>Subject:</b> Re: [Equest-users] ER Wheel in Baseline<u></u><u></u></span></p><div><div class="h5"><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal">Hi Aru,<u></u><u></u></p><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">Yes you are correct - you have to create an exhaust air heat recovery with at least 50% effectiveness in your baseline bldg. Check out section 6.5.6.1 of ASHRAE 90.1 for further guidance. <u></u><u></u></p><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">Darryl Kasun, P. Eng, <u></u><u></u></p></div><div><p class="MsoNormal">Interior Engineering<u></u><u></u></p></div></div></div><div><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal">On Mon, Nov 28, 2016 at 6:58 PM, Arunabha Sau via Equest-users <<a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.<wbr>onebuilding.org</a>> wrote:<u></u><u></u></p><div><div><p class="MsoNormal"><span style="color:rgb(0,0,102);font-family:"Tahoma","sans-serif"">Hello there,<u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="color:rgb(0,0,102);font-family:"Tahoma","sans-serif""><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span style="color:rgb(0,0,102);font-family:"Tahoma","sans-serif""><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span style="color:rgb(0,0,102);font-family:"Tahoma","sans-serif"">In a 5A climate zone, I am working with a Proposed model with a RTU (30,000 CFM, 100% OA) with exhaust air ER wheel in it. I am kinda sure that I've to create a ER wheel for the 90.1 Baseline (as per G3.1.2.10). Just want to make sure if I am correct? <u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="color:rgb(0,0,102);font-family:"Tahoma","sans-serif""><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span style="color:rgb(0,0,102);font-family:"Tahoma","sans-serif"">Help please. Thanks<u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="color:rgb(0,0,102);font-family:"Tahoma","sans-serif""><u></u> <u></u></span></p></div><div><p class="MsoNormal"><br clear="all"><u></u><u></u></p><div><div><div><div><div><div><div><p class="MsoNormal"><span style="color:rgb(7,55,99);font-family:"Tahoma","sans-serif"">Best,</span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="color:rgb(7,55,99);font-family:"Tahoma","sans-serif"">Aru Sau</span><u></u><u></u></p></div><div><div><p class="MsoNormal"><b><span style="background:white;color:rgb(56,118,29);font-family:"Garamond","serif";font-size:10pt">Architectural Sustainability | Energy Analyst</span></b><span style="background:white"><u></u><u></u></span></p></div><div><div><p class="MsoNormal"><i><u><span style="background:white;color:rgb(56,118,29);font-family:"Garamond","serif"">analyzing the ROI of your sustainable initiatives... </span></u></i><span style="background:white;color:rgb(56,118,29);font-family:"Garamond","serif";font-size:10pt"><u></u><u></u></span></p></div></div><div><p class="MsoNormal"><b><span style="background:white;color:rgb(56,118,29);font-family:"Garamond","serif";font-size:10pt">c: <a href="tel:678-467-7934" target="_blank">678-467-7934</a>, Ann Arbor, MI</span></b><span style="background:white"><u></u><u></u></span></p></div></div></div></div></div></div></div></div></div></div><p class="MsoNormal" style="margin-bottom:12pt"><br>______________________________<wbr>_________________<br>Equest-users mailing list<br><a href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org" target="_blank">http://lists.onebuilding.org/<wbr>listinfo.cgi/equest-users-<wbr>onebuilding.org</a><br>To unsubscribe from this mailing list send a blank message to <a href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG" target="_blank">EQUEST-USERS-UNSUBSCRIBE@<wbr>ONEBUILDING.ORG</a><u></u><u></u></p></div><p class="MsoNormal"><u></u> <u></u></p></div></div></div></div></div></blockquote></div><br></div></div>