<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:"Century Gothic";
panose-1:2 11 5 2 2 2 2 2 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri","sans-serif";}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><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 | andrewc@hargis.biz</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>