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<DIV dir=ltr align=left><SPAN class=761024520-21102011><FONT color=#0000ff
size=2 face=Arial>Hi Justin,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=761024520-21102011><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=761024520-21102011><FONT color=#0000ff
size=2 face=Arial>The effectiveness of the low-e ceiling depends on the length
of your ice-making season (low-e is, of course, more effective in the summer)
and on the insulation level in the roof.</FONT></SPAN></DIV>
<DIV><FONT color=#0000ff size=2 face=Arial></FONT> </DIV>
<DIV><SPAN class=761024520-21102011><FONT color=#0000ff size=2 face=Arial>Adding
a low-e ceiling reduces the load on the plant, so you get the same savings
regardless of whether there is heat recovery. If you add heat recovery in
a building with a low-e ceiling it stretches out the heat recovery payback.
</FONT></SPAN></DIV><FONT color=#0000ff size=2 face=Arial></FONT><FONT
color=#0000ff size=2 face=Arial></FONT><FONT color=#0000ff size=2
face=Arial></FONT><FONT color=#0000ff size=2 face=Arial></FONT>
<DIV><BR><SPAN class=761024520-21102011><FONT color=#0000ff size=2
face=Arial>Shaun</FONT></SPAN></DIV>
<DIV><SPAN class=761024520-21102011></SPAN> </DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left>
<HR tabIndex=-1>
<FONT size=2 face=Tahoma><B>From:</B> equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <B>On Behalf Of </B>Justin
Elkin<BR><B>Sent:</B> Friday, October 21, 2011 12:21 PM<BR><B>To:</B>
equest-users@lists.onebuilding.org<BR><B>Subject:</B> [Equest-users] Full Heat
Recovery and low-e ceiling in an Ice Rink<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Happy Friday,
<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">I have an energy model of a
community center constructed in EQUEST. The community center has an ice rink
incorporated into it which contains a low-e ceiling
as<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">well as full heat recovery. We were
playing around with some combinations of having a low-e ceiling in our model and
as it turns out, there is not much savings<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">between having a low-e ceiling and
not having one (about $1,000 a year in savings with the low-e) in our model.
<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Has anyone else played around with
this and noticed it as well? We are suspecting that you cannot gain much savings
through the use of low-e when full heat <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">recovery is present. Can anyone
confirm this or give any comments? <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Thank
you,<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P style="MARGIN-LEFT: 27pt" class=MsoNormal><FONT size=3
face="Times New Roman"><SPAN
style="FONT-SIZE: 12pt"> </SPAN></FONT><B><FONT size=1 face=Verdana><SPAN
style="FONT-FAMILY: Verdana; FONT-SIZE: 9pt; FONT-WEIGHT: bold"> Justin Elkin,
</SPAN></FONT></B><I><FONT color=gray size=2 face=Verdana><SPAN
style="FONT-STYLE: italic; FONT-FAMILY: Verdana; COLOR: gray; FONT-SIZE: 10pt">LEED®
Green Associate</SPAN></FONT></I><B><FONT size=1 face=Verdana><SPAN
style="FONT-FAMILY: Verdana; FONT-SIZE: 9pt; FONT-WEIGHT: bold"><o:p></o:p></SPAN></FONT></B></P>
<P style="TEXT-INDENT: 27pt" class=MsoNormal><I><FONT color=gray size=1
face=Verdana><SPAN
style="FONT-STYLE: italic; FONT-FAMILY: Verdana; COLOR: gray; FONT-SIZE: 9pt">
Mechanical Engineer-In-Training<o:p></o:p></SPAN></FONT></I></P>
<P class=MsoNormal><FONT size=1 face=Verdana><SPAN
style="FONT-FAMILY: Verdana; FONT-SIZE: 9pt"><IMG id=_x0000_i1025
src="cid:761024520@21102011-315F" width=170
height=35><o:p></o:p></SPAN></FONT></P>
<P style="TEXT-INDENT: 27pt" class=MsoNormal><FONT color=gray size=1
face=Verdana><SPAN
style="FONT-FAMILY: Verdana; COLOR: gray; FONT-SIZE: 9pt"> t: (902)
422-7393</SPAN></FONT><FONT color=gray size=1 face=Verdana><SPAN
style="FONT-FAMILY: Verdana; COLOR: gray; FONT-SIZE: 9pt"><o:p></o:p></SPAN></FONT></P>
<P style="TEXT-INDENT: 27pt" class=MsoNormal><FONT color=gray size=1
face=Verdana><SPAN
style="FONT-FAMILY: Verdana; COLOR: gray; FONT-SIZE: 9pt"> f: (902)
423-4945</SPAN></FONT><FONT color=gray size=1 face=Verdana><SPAN
style="FONT-FAMILY: Verdana; COLOR: gray; FONT-SIZE: 9pt"><o:p></o:p></SPAN></FONT></P>
<P style="TEXT-INDENT: 27pt" class=MsoNormal><FONT color=gray size=1
face=Verdana><SPAN
style="FONT-FAMILY: Verdana; COLOR: gray; FONT-SIZE: 9pt">
e:</SPAN></FONT><FONT size=1 face=Verdana><SPAN
style="FONT-FAMILY: Verdana; FONT-SIZE: 9pt"> <A
href="mailto:jelkin@mreng.ca">jelkin@mreng.ca</A></SPAN></FONT><FONT size=1
face=Verdana><SPAN
style="FONT-FAMILY: Verdana; FONT-SIZE: 9pt"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=3 face="Times New Roman"><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P></DIV></BODY></HTML>