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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-family:"Arial Narrow","sans-serif";color:#0070C0'>How many stories does your building have?<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial Narrow","sans-serif";color:#0070C0'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial Narrow","sans-serif";color:#0070C0'>Also – you might want to try reducing it down to R 10 or something lower – just to see what the sensitivity is – you might be into diminishing returns for the added insulation. <o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial Narrow","sans-serif";color:#0070C0'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial Narrow","sans-serif";color:#0070C0'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial Narrow","sans-serif";color:#0070C0'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial Narrow","sans-serif";color:#0070C0'><o:p> </o:p></span></p><div><p class=MsoNormal style='text-autospace:none'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#DCAA2C'><o:p> </o:p></span></b></p><p class=MsoNormal style='text-autospace:none'><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:gray'>Vikram Sami</span></b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:gray'>, LEED AP BD+C<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:gray'>Sustainable Design Analyst<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:gray'>1315 Peachtree St. NE, Atlanta, GA 30309<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:gray'>t: 404-443-7462 f: </span><span lang=ES style='font-size:9.0pt;font-family:"Arial","sans-serif";color:gray'>404.892.5823 </span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:gray'> e: vikram.sami@perkinswill.com </span><span style='color:#0070C0'><a href="http://www.perkinswill.com/"><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:gray;text-decoration:none'>www.perkinswill.com</span></a></span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:gray'><o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:3.0pt;text-autospace:none'><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:gray'>Perkins+Will.</span></b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:gray'> </span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#ADD425'>Ideas + buildings that honor the broader goals of society</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:green'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'><o:p> </o:p></span></p></div><p class=MsoNormal><span style='font-family:"Arial Narrow","sans-serif";color:#0070C0'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><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>David Eldridge<br><b>Sent:</b> Monday, February 25, 2013 6:52 PM<br><b>To:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> Re: [Equest-users] EEM neglible change in different Runs<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#1F497D'>I think the results are probably as eQUEST intended then.<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'>Heat gain would be transferred directly to the conditioned zones if there was no plenum zone, and heat would be transferred to the AHU airstream if the system was plenum return.<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'>With a plenum combined with ducted return, eQUEST is going to model the heat as moving through an insulation value to enter the conditioned spaces, so you will definitely see a diminishing return on roof insulation.<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'>I believe there are some variables to allow a higher percentage of heat transfer through the return ductwork. There probably isn’t a lot of insulation value to tweak in terms of allowing heat to conduct from the plenum space into the occupied zone space, although you might review your assumptions in case the heat transfer coefficients might be adjusted to allow more connection between plenum zone and conditioned zone if you think it to be more accurate.<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'>David<o:p></o:p></span></p><div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><u><span style='color:black'> </span></u><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;color:black'> </span><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>David S. Eldridge, Jr., P.E., LEED AP BD+C, BEMP, BEAP, HBDP<o:p></o:p></span></p><p class=MsoNormal><b><span style='color:#244061'>Grumman/Butkus Associates</span></b><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><u><span style='color:black'> </span></u><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:black'> </span><span style='color:#1F497D'><o:p></o:p></span></p></div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><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"'> Mike Raiva [mailto:mraiva@williamsengineering.com] <br><b>Sent:</b> Monday, February 25, 2013 4:52 PM<br><b>To:</b> David Eldridge; equest-users@lists.onebuilding.org<br><b>Subject:</b> RE: EEM neglible change in different Runs<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#1F497D'>Yes I have both a plenum zone and ducted return.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#545861'>MICHAEL RAIVA, </span></b><b><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#545861'>P.Eng., LEED<sup>®</sup> AP, CCGD<sup>®</sup> <o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#545861'>Mechanical Engineer<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#D52B1E'>Williams Engineering Canada Inc.<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#545861'>T:</span></b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#545861'> 778.484.2983 <b>F:</b> 778.484.3901<o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#545861'>W:</span></b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#545861'> </span><span style='font-family:"Arial","sans-serif";color:#1F497D'><a href="http://www.williamsengineering.com"><span style='font-size:7.5pt;color:#545861'>williamsengineering.com</span></a></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:.75pt'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#4C3327'><o:p> </o:p></span></b></p><p class=MsoNormal style='margin-bottom:.75pt'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#4C3327'>Engage. Innovate. Inspire.<o:p></o:p></span></b></p><p class=MsoNormal style='margin-bottom:.75pt'><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#7AB800'><o:p> </o:p></span></b></p><p class=MsoNormal style='margin-bottom:.75pt'><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#7AB800'>Please consider the environment before printing this email.<o:p></o:p></span></b></p><p class=MsoNormal style='margin-bottom:.75pt'><span style='font-family:"Arial","sans-serif";color:#1F497D'><a href="http://www.williamsengineering.com/legal"><b><span style='font-size:7.5pt;color:#545861'>Email Transmission Policy</span></b></a></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p></o:p></span></p></div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><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>David Eldridge<br><b>Sent:</b> Monday, February 25, 2013 2:45 PM<br><b>To:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> Re: [Equest-users] EEM neglible change in different Runs<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#1F497D'>Is there a plenum zone, while you are also using ducted return?<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'>David<o:p></o:p></span></p><div><p class=MsoNormal><u><span style='color:black'> </span></u><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;color:black'> </span><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>David S. Eldridge, Jr., P.E., LEED AP BD+C, BEMP, BEAP, HBDP<o:p></o:p></span></p><p class=MsoNormal><b><span style='color:#244061'>Grumman/Butkus Associates</span></b><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><u><span style='color:black'> </span></u><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:black'> </span><span style='color:#1F497D'><o:p></o:p></span></p></div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><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>Mike Raiva<br><b>Sent:</b> Monday, February 25, 2013 4:42 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] EEM neglible change in different Runs<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am running an EEM wizard where I changing the Roof R-Value from R-42 to R-24.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Here are my results. (almost the same) Am I missing something.<o:p></o:p></p><p class=MsoNormal>Base Results:<o:p></o:p></p><p class=MsoNormal><img border=0 width=735 height=455 id="Picture_x0020_2" src="cid:image001.jpg@01CE140E.050C4170"><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>EEM with Roof R-24.<o:p></o:p></p><p class=MsoNormal><img border=0 width=735 height=455 id="Picture_x0020_1" src="cid:image002.jpg@01CE140E.050C4170"><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#545861'>MICHAEL RAIVA, </span></b><b><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#545861'>P.Eng., LEED<sup>®</sup> AP, CCGD<sup>®</sup> <o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#545861'>Mechanical Engineer<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#D52B1E'>Williams Engineering Canada Inc.<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#545861'>T:</span></b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#545861'> 778.484.2983 <b>F:</b> 778.484.3901<o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#545861'>W:</span></b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#545861'> </span><span style='font-family:"Arial","sans-serif"'><a href="http://www.williamsengineering.com"><span style='font-size:7.5pt;color:#545861'>williamsengineering.com</span></a></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:.75pt'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#4C3327'><o:p> </o:p></span></b></p><p class=MsoNormal style='margin-bottom:.75pt'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#4C3327'>Engage. Innovate. Inspire.<o:p></o:p></span></b></p><p class=MsoNormal style='margin-bottom:.75pt'><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#7AB800'><o:p> </o:p></span></b></p><p class=MsoNormal style='margin-bottom:.75pt'><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#7AB800'>Please consider the environment before printing this email.<o:p></o:p></span></b></p><p class=MsoNormal style='margin-bottom:.75pt'><span style='font-family:"Arial","sans-serif"'><a href="http://www.williamsengineering.com/legal"><b><span style='font-size:7.5pt;color:#545861'>Email Transmission Policy</span></b></a></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>