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<DIV dir=ltr align=left><SPAN class=421312920-17092007><FONT face=Arial
color=#0000ff size=2>Kevin,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=421312920-17092007></SPAN><SPAN
class=421312920-17092007><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=421312920-17092007><FONT face=Arial
color=#0000ff size=2>ASHRAE 90.1 defines the window performance of the entire
window assembly which includes both the frame and glass. DOE2.2 requires
that you enter glass performance and frame performance
separately. DOE 2.2 has libraries of GLASS performance
which means you still have to define the frame performance. The
WINDOW software does not export frame performance into DOE2.2 only
the glass performance. You would input any frame performance you
calculate using THERM directly into DOE2.2 as FRAME-CONDUCTANCE and
FRAME-WIDTH.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=421312920-17092007><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=421312920-17092007><FONT face=Arial
color=#0000ff size=2>There is no library of baseline glass because every window
assembly has different performance based on the differences in frame and glass
area. The best you can do is select baseline glass performance and
baseline frame performance so that the area-weighted performance of all the
window assemblies in your project equals the baseline window performance
criteria (ie U-value and SHGC) from whatever code (ie. ASHRAE
90.1) your modeling. </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=421312920-17092007><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=421312920-17092007><FONT face=Arial
color=#0000ff size=2>Charlie,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=421312920-17092007><FONT face=Arial
color=#0000ff size=2>Does Energy Plus allow you to import FRAME performance from
the WINDOW software? </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=421312920-17092007><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=421312920-17092007><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=421312920-17092007><FONT face=Arial
color=#0000ff size=2>Mike</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=421312920-17092007><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=421312920-17092007><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=421312920-17092007>
<DIV align=left><FONT face="Arial Black" size=2>Michael Tillou, PE,
LEED</FONT></DIV>
<DIV align=left><FONT face="Arial Black" size=2>Tillou Engineering,
LLC</FONT></DIV>
<DIV align=left><FONT face="Arial Black" size=1>Williamstown, MA
01267</FONT></DIV>
<DIV align=left><FONT face="Arial Black" size=1>P:
413-458-9870</FONT> <FONT face="Arial Black" size=1>C:
413-652-1087</FONT></DIV></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> BLDG-SIM@gard.com
[mailto:BLDG-SIM@gard.com] <B>On Behalf Of </B>Kevin Kyte<BR><B>Sent:</B>
Monday, September 17, 2007 11:38 AM<BR><B>To:</B>
BLDG-SIM@gard.com<BR><B>Subject:</B> [BLDG-SIM] Simplied windows and glass
libraries<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Is
there a library of baseline windows available? Perhaps one that may
compare a performance window to an ASHRAE standard. This sounds like
something that would be very useful. Instead of using inaccurate baseline
models for government incentive programs and LEED certifications.
<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<DIV>
<DIV
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; PADDING-TOP: 3pt; BORDER-BOTTOM: medium none">
<P class=MsoNormal><B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">From:</SPAN></B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'"> D. Charlie Curcija
[mailto:curcija@ecs.umass.edu] <BR><B>Sent:</B> Wednesday, April 25, 2007 9:22
AM<BR><B>To:</B> kkyte@robsonwoese.com; BLDG-SIM@gard.com<BR><B>Subject:</B> RE:
[BLDG-SIM] Simplied windows and glass
libraries<o:p></o:p></SPAN></P></DIV></DIV>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal><SPAN
style="COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">Kevin,</SPAN><o:p></o:p></P>
<P class=MsoNormal> <o:p></o:p></P>
<P class=MsoNormal><SPAN
style="COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">The best way to
accurately model windows is with WINDOW and THERM software
(windows.lbl.gov). These tools are also used for NFRC (National
Fenestration Rating Council) certifications. However, you will need all of
the details of frame and glazing design to be able to utilize these tools.
WINDOW program is used to model glazing system and THERM program is used to
model frame and edge of glass sections. The whole product is then
assembled again in WINDOW program, so WINDOW has dual role. While WINDOW
program is easy to learn and can be accomplished in half a day, THERM program
requires 2-3 days of training for novice users. Several companies
offer training and our company (<A
href="http://www.designbuildersoftware.com">www.designbuildersoftware.com</A>)
is one of them. WINDOW program creates DOE2 report file, which can be used
with DOE 2.2 to assign windows. That provides the most accurate way to
model windows energy performance in a building.</SPAN><o:p></o:p></P>
<P class=MsoNormal> <o:p></o:p></P>
<P class=MsoNormal><SPAN
style="COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">If you don't have all of
the details and wish to get estimated performance, you can use one of the
predefined windows in DOE 2.2, closest to what you have. You should not
use simplified way (i.e., by assigning simple U-factor, SHGC and VT as single
number), because that produces gross errors. EnergyPlus
program, which is newer generation energy simulation engine from DOE does
not even have an option to specify windows and doors that way. You have to
have WINDOW EnergyPlus report file (equivalent to DOE2 report file) or use one
of predefined windows in EnergyPlus. Our tool DesignBuilder uses
EnergyPlus simulation engine, so you can try it out.</SPAN><o:p></o:p></P>
<P class=MsoNormal> <o:p></o:p></P>
<P class=MsoNormal><SPAN
style="COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">If you have further
questions, you can contact us directly.</SPAN><o:p></o:p></P>
<P class=MsoNormal> <o:p></o:p></P>
<P class=MsoNormal><SPAN
style="COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">Regards,</SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style="COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">Charlie
Curcija</SPAN><o:p></o:p></P>
<P class=MsoNormal> <o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center>
<HR align=center width="100%" SIZE=2>
</DIV>
<P class=MsoNormal style="MARGIN-BOTTOM: 12pt"><B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">From:</SPAN></B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'"> BLDG-SIM@gard.com
[mailto:BLDG-SIM@gard.com] <B>On Behalf Of </B>Kevin J. Kyte<BR><B>Sent:</B>
Tuesday, April 24, 2007 11:05 AM<BR><B>To:</B>
BLDG-SIM@gard.com<BR><B>Subject:</B> [BLDG-SIM] Simplied windows and glass
libraries</SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN class=EmailStyle22><SPAN style="FONT-SIZE: 10pt">Can
anyone offer advice on the most accurate route to model window
performance?<o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal><SPAN class=EmailStyle22><SPAN style="FONT-SIZE: 10pt">There
are discrepancies between modeling glazing from doe library and then modeling
those values in simplified mode.<o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal><SPAN class=EmailStyle22><SPAN style="FONT-SIZE: 10pt">Is
this steady state vs. transient heat transfer? I am not familiar and I
could use a lesson in thermo.<o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal><SPAN class=EmailStyle22><SPAN style="FONT-SIZE: 10pt">Is
this discussed in the Engineer’s Manual? How about if I used Window5? Will
I be able to import Window files into Doe2.2?<o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal><SPAN class=EmailStyle22><SPAN
style="FONT-SIZE: 10pt"> <o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal><SPAN class=EmailStyle22><SPAN
style="FONT-SIZE: 10pt"> <o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal><SPAN class=EmailStyle22><SPAN
style="FONT-SIZE: 10pt"> <o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal><SPAN class=EmailStyle22><SPAN style="FONT-SIZE: 10pt">I
would be grateful of any assistance.<o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal><SPAN class=EmailStyle22><SPAN
style="FONT-SIZE: 10pt"> <o:p></o:p></SPAN></SPAN></P>
<P class=MsoAutoSig><SPAN class=EmailStyle22><SPAN
style="FONT-SIZE: 10pt">Kevin</SPAN></SPAN><o:p></o:p></P>
<P class=MsoNormal
style="MARGIN-BOTTOM: 12pt; MARGIN-LEFT: 1in; MARGIN-RIGHT: 0.5in; mso-margin-top-alt: 0in"><SPAN
style="COLOR: black"> </SPAN><o:p></o:p></P>
<P class=MsoNormal
style="MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 1in; MARGIN-RIGHT: 0.5in; mso-margin-top-alt: 0in"><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Tahoma','sans-serif'"> </SPAN><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'"><o:p></o:p></SPAN></P><PRE style="MARGIN-LEFT: 0.5in"><o:p> </o:p></PRE><PRE><o:p> </o:p></PRE><PRE>==================<o:p></o:p></PRE><PRE>You received this e-mail because you are subscribed <o:p></o:p></PRE><PRE>to the BLDG-SIM@GARD.COM mailing list. To unsubscribe <o:p></o:p></PRE><PRE>from this mailing list send a blank message to <o:p></o:p></PRE><PRE>BLDG-SIM-UNSUBSCRIBE@GARD.COM<o:p></o:p></PRE></DIV><PRE>
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