<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 12 (filtered medium)">
<style>
<!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 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;}
@page Section1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.Section1
{page:Section1;}
-->
</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=Section1>
<p class=MsoNormal>Hello eQuest Users,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I am modeling an apartment complex that has a central gas
boiler system serving in-unit heat pumps. The baseline building has code
minimum EER and COP for heating and cooling. The first measure I
performed was increasing the EER and COP, and this produced accurate results. Upon
adding a variable speed drive to the heat pump loop as an improved measure,
there is a significant increase in the amount of therms being used for space
heating, but as expected the electrical consumption and peak decrease
significantly. Does anyone have an explanation as to why this increase in
therms is happening?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks, <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Jay<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:black'>Jay A. Kaiser </span><span
style='font-family:"Arial","sans-serif";color:black'>| </span><span
style='color:black'>Energy Engineer<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:black'>Focus on Energy - New Construction<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:black'>211 S. Paterson Street, Suites 170</span><span
style='font-family:"Arial","sans-serif";color:black'>|</span><span
style='color:black'> Madison, WI 53703<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:black'>608-310-6910 Phone </span><span
style='font-family:"Arial","sans-serif";color:black'>|</span><span
style='color:black'> 414-217-4903 Cell | 608-310-6909 Fax </span><span
style='font-family:"Arial","sans-serif";color:black'>|</span><span
style='color:#1F497D'> </span><a
href="http://www.focusonenergy.com/multifamilyprograms"><b>www.focusonenergy.com</b></a><o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
</div>
</body>
</html>