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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:10.0pt;font-family:"Arial","sans-serif";color:#0033CC'>Did you use capacity control and make-up air temperature control? If not you will be over heating and over cooling in some conditions as the air will always be going through the heat recovery device.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#0033CC'><o:p> </o:p></span></p><div><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'>Timothy Howe, MS, LEEDŽ AP BD+C</span></b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'><br>Mechanical Engineer<br>Stantec<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:gray'>61 Commercial Street<br>Rochester NY 14614<br>Ph: (585) 413-5347<br>Fx: (585) 272-1814<br>Cell: (585) 281-3223<o:p></o:p></span></p><p class=MsoNormal><span style='color:#0033CC'><a href="http://www.stantec.com/"><b><span style='font-size:13.0pt;font-family:"Arial Narrow","sans-serif";color:#993333;text-decoration:none'>stantec</span></b><span style='font-size:13.0pt;font-family:"Arial Narrow","sans-serif";color:#003F6E;text-decoration:none'>.com</span></a></span><span style='font-size:13.0pt;font-family:"Arial Narrow","sans-serif";color:blue'> </span><span style='font-size:13.0pt;font-family:"Arial Narrow","sans-serif";color:blue'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'>The content of this email is the confidential property of Stantec and should not be copied, modified, retransmitted, or used for any purpose except with Stantec's written authorization. If you are not the intended recipient, please delete all copies and notify us immediately.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:13.5pt;font-family:Webdings;color:#008040'>ü</span><span style='color:blue'> </span><span style='font-size:10.0pt;font-family:"Arial Narrow","sans-serif";color:#008040'>Please consider the environment before printing this email.</span><span style='color:blue'> </span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'><o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#0033CC'><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>Andrew Clagett<br><b>Sent:</b> Friday, November 30, 2012 3:00 PM<br><b>To:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> [Equest-users] ERV Impact<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hello all. After finalizing my building and obtaining what appeared to be reasonable output, I removed the ERV devices (modeled at 85% efficient cross-flow air to air heat exchangers) from the model to ascertain the energy savings attributable to those devices.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>And my total energy consumption went <b>DOWN</b> over 6%! Inexplicably, ‘space cooling’ and ‘pumps & aux.’ energy consumption has decreased by a far larger amount than ‘space heating’ increased. I would have expected both of those values to increase along with the ‘space heating’ energy consumption (which did increase).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Anyone have any idea why that might be?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><b><span style='font-size:11.5pt;color:#244061'>Andrew Clagett, </span></b><span style='font-size:9.0pt;color:gray'>PE, LEED AP <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:gray'>Mechanical <o:p></o:p></span></p></div><p class=MsoNormal><span style='color:gray'>d | 206.436.0494 </span><span style='font-size:9.0pt;font-family:"Times New Roman","serif";color:gray'> </span><span style='color:gray'>o | 206.448.3376 </span><span style='font-size:9.0pt;font-family:"Times New Roman","serif";color:gray'> </span><span style='color:gray'>e | <a href="mailto:andrewc@hargis.biz">andrewc@hargis.biz</a></span><span style='font-size:9.0pt;font-family:"Times New Roman","serif";color:gray'> </span><span style='color:gray'> <a href="http://www.hargis.biz/vcards/Andrew%20Clagett.vcf"><span style='color:gray'>v-card</span></a></span><span style='font-size:9.0pt;font-family:"Times New Roman","serif";color:gray'> <o:p></o:p></span></p><div><p class=MsoNormal style='background:white'><span style='font-size:4.5pt;font-family:"Times New Roman","serif";color:gray'> <o:p></o:p></span></p></div><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0><tr><td style='padding:0in 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:13.5pt;font-family:"Century Gothic","sans-serif";color:#244061;letter-spacing:6.0pt'>HARGIS</span></b><b><span style='font-size:6.0pt;font-family:"Century Gothic","sans-serif";letter-spacing:6.0pt'> </span></b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p></td><td style='padding:0in 0in 0in 0in'><p class=MsoNormal><span style='font-size:10.5pt;color:#EEEEEE;background:#244061'> mechanical • electrical • telecommunications • security </span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p></td></tr></table><p class=MsoNormal><o:p> </o:p></p></div></body></html>