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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Aru,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>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. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>Anthony Hardman, </span></b><b><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:black'>PE, BEAP, LEED AP BD+C<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:black'>Senior Building Performance Analyst</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'><o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#00B050'>The Green Engineer, Inc.<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:black'>(978) 610-2801<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><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"'> Darryl Kasun via Equest-users [mailto:equest-users@lists.onebuilding.org] <br><b>Sent:</b> Monday, November 28, 2016 10:12 PM<br><b>To:</b> Arunabha Sau<br><b>Cc:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> Re: [Equest-users] ER Wheel in Baseline<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hi Aru,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></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. <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Darryl Kasun, P. Eng, <o:p></o:p></p></div><div><p class=MsoNormal>Interior Engineering<o:p></o:p></p></div></div></div><div><p class=MsoNormal><o:p> </o:p></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.onebuilding.org</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#000066'>Hello there,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#000066'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#000066'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#000066'>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? <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#000066'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#000066'>Help please. Thanks<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#000066'><o:p> </o:p></span></p></div><div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><div><div><div><div><div><div><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#073763'>Best,</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#073763'>Aru Sau</span><o:p></o:p></p></div><div><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Garamond","serif";color:#38761D;background:white'>Architectural Sustainability | Energy Analyst</span></b><span style='background:white'><o:p></o:p></span></p></div><div><div><p class=MsoNormal><i><u><span style='font-family:"Garamond","serif";color:#38761D;background:white'>analyzing the ROI of your sustainable initiatives... </span></u></i><span style='font-size:10.0pt;font-family:"Garamond","serif";color:#38761D;background:white'><o:p></o:p></span></p></div></div><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Garamond","serif";color:#38761D;background:white'>c: <a href="tel:678-467-7934" target="_blank">678-467-7934</a>, Ann Arbor, MI</span></b><span style='background:white'><o:p></o:p></span></p></div></div></div></div></div></div></div></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>Equest-users mailing list<br><a href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org" target="_blank">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a><br>To unsubscribe from this mailing list send a blank message to <a href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG">EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>