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<div class=Section1>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hi Bruce,</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>The project is in Lebanon, and there are pretty much no standards relating to energy whatsoever!</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>The LEED Review I got is the following:</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal style='margin-left:36.0pt;text-autospace:none'><i><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy;font-style:italic'>“It is It is unclear whether the window
U-value of 0.26 and SHGC of 0.28 used for the Proposed case accounts for the
impact of the window frames on the whole assembly as required by ASHRAE modeling
protocol. Please provide additional information to confirm that the framed
assembly U-value was used for the Proposed case windows (e.g. showing that the
whole window assembly has been tested by NFRC, or verifying that LBNL Window5
calculations have been provided for the whole assembly, or <u>verifying that
the frame effects are captured within the energy modeling software</u>), or revise
the model referencing ASHRAE 90.1-2007 Table A8.2 if needed.”</span></font></i></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Can we argue that the frame effects are
captured within eQUEST, as per the underlined phrase?</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Do you recommend using table A8.2, or are its
U-values too high?</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Best regards,</span></font></p>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Omar</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>___________________________</span></font> </p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Omar Katanani</span></font><br>
<font size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:navy'>Sustainable Design Engineer</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Email: <a
href="mailto:omar@ecoconsulting.net">omar@ecoconsulting.net</a></span></font></p>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy'> </span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>EcoConsulting (Lebanon)</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Nahas</span></font><font
size=1 color=navy face=Arial><span lang=EN-US style='font-size:7.5pt;
font-family:Arial;color:navy'> Building</span></font><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:7.5pt;font-family:Arial;
color:navy'>, 4<sup>th</sup> floor</span></font></p>
<p class=MsoNormal><font
size=1 color=navy face=Arial><span lang=EN-US style='font-size:7.5pt;
font-family:Arial;color:navy'>4 St-Maron Street</span></font><font size=1
color=navy face=Arial><span lang=EN-US style='font-size:7.5pt;font-family:Arial;
color:navy'> / Georges Haddad Avenue</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Postal Code: 2028 5806
SAIFI</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Beirut</span></font><font
size=1 color=navy face=Arial><span lang=EN-US style='font-size:7.5pt;
font-family:Arial;color:navy'>, Lebanon</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Tel: </span></font><font
size=1 color=navy face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:navy'>+961 (0) 1 971 266<br>
Mobile: +961 (0) 3 045 045</span></font></p>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy'> </span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:navy'>EcoConsulting (UK) Ltd<br>
28 Marshalsea Road<br>
London, SE1 1HF<br>
Tel: +44 (0) 207 939 0989<br>
Fax: +44 (0) 207 939 0981</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:navy'>Website: <a
href="http://www.ecoconsulting.net/">www.ecoconsulting.net</a></span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> </span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'> <img border=0
width=870 height=102 src="cid:image001.jpg@01CC4D50.708E7B10"></span></font></p>
</div>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
color=black face="Times New Roman"><span lang=EN-US style='font-size:12.0pt;
color:windowtext'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 color=black face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;color:windowtext;font-weight:bold'>From:</span></font></b><font
size=2 color=black face=Tahoma><span lang=EN-US style='font-size:10.0pt;
font-family:Tahoma;color:windowtext'> Bruce Easterbrook
[mailto:bruce5@bellnet.ca] <br>
<b><span style='font-weight:bold'>Sent:</span></b> 28 July 2011 17:36<br>
<b><span style='font-weight:bold'>To:</span></b> Omar Katanani<br>
<b><span style='font-weight:bold'>Cc:</span></b> Robby Oylear; Brad Robinson;
equest-users@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Equest-users]
URGENT: Window U-values: Total window assembly v/s Glass only</span></font></p>
</div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> </span></font></p>
<p class=MsoNormal><font size=4 color=black face="Times New Roman"><span
style='font-size:13.5pt'>Hi Omar,<br>
This is where LEED and eQuest can get complicated. As
you are outside the US the NFRC test results won't apply to you. This is
a US window test standard. Being from Canada we have CSA test
requirements for windows, we don't use NFRC. Basically you need to use
the base standard for your country for your baseline. LEED Canada has
adjusted the LEED documents in this area to reflect our testing agency and what
we consider a base window. Has the country you are building in done the
same?<br>
So to get you going I would assume a base window in eQuest
for the baseline. Use 6mm clear glass, 1/2" air space, 6mm glass,
metal spacer. Also pick a base frame as well, this would depend on the
type of building you are doing, so select a plain frame in common use, if metal
choose a frame without a thermal break. This should be easy to defend on
a LEED review. If there is a specific country version of LEED for your
location then you could adjust for this later once you get the required
information. For your proposed you would build the window you are
considering using the window manufacturers specs. All manufacturers will
not offer all glass types. In the window industry there are the glass
manufacturers, they make the glass. Window manufacturers buy the glass and
make the frames. Now you can see the reasoning behind the NFRC testing
and testing the total window, glass and frame, it is window manufacturer
specific. But it does make a conflict with eQuest and the way it was
programmed and the way windows are input. Realistically the frame it not
going to make much difference except if it is metal and there is a thermal
break. The glass being the overwhelming area of the window is going to
have the largest impact. This is what you want to be playing with in eQuest,
determining the cost effectiveness of different types of glass and the
payouts. As long as you operate from a realistic baseline which is the
current standard construction used in the country of the build then you can
evaluate your proposed glass because you are looking at differential costs and
savings. If your baseline changes it won't make very much difference, you
have already been able to select your window, it will just effect the payback
period and it will be a minor difference. This does let you get 98% of
the window work done.<br>
Bruce Easterbrook P.Eng.<br>
Abode Engineering<br>
</span></font><br>
On 28/07/2011 08:40 AM, Omar Katanani wrote: </p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Dear all,</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Thank you for your responses.</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<ol style='margin-top:0cm' start=1 type=1>
<li class=MsoNormal style='color:navy'><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Are the NFRC testing and the
values in table A8.2 used for the Baseline, Proposed, or both scenarios?</span></font></li>
</ol>
<p class=MsoNormal style='margin-left:18.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> </span></font></p>
<ol style='margin-top:0cm' start=2 type=1>
<li class=MsoNormal style='color:navy'><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Let’s say I do not have
NFRC test results and decide to use the values in table A8.2. For a clear
double glazed and metal frame type, I get an assembly U-factor of 5.1. How
can I input this into eQUEST? As far as I know, I can enter the glass
properties and the frame properties. Do I have to play with the glass
properties and check the LV-D report for the calculated Assembly u-value?</span></font></li>
</ol>
<p class=MsoNormal style='text-indent:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>Similarly,
for the baseline, Tables 5.5-1 to 5.5-8 of ASHRAE 90.1 provide the assembly
u-values for vertical glazing. How can I enter these values into eQUEST?</span></font></p>
<p class=MsoNormal style='margin-left:18.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> </span></font></p>
<ol style='margin-top:0cm' start=3 type=1>
<li class=MsoNormal style='color:navy'><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial'>I am attaching the specs of the
proposed glazing. These numbers are for the glass only (note that the
u-values reported are NFRC ones). Additionally, I know that the frame will
be aluminium. Do I still need NFRC U-values for the whole assembly, or is
the NFRC usually for the glass only? If yes, how can I calculate the whole
assembly U-value (given that eQUEST doesn’t have the ability to
calculate this)</span></font></li>
</ol>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Thanks for clarifying this, as my project
is outside the US and we are not too familiar with standards such as NFRC.</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Best regards,</span></font></p>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Omar</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>___________________________</span></font><font
color=navy><span style='color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Omar Katanani</span></font><font
color=navy><span style='color:navy'><br>
</span></font><font size=2 color=navy face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:navy'>Sustainable Design Engineer</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Email: <a
href="mailto:omar@ecoconsulting.net" moz-do-not-send=true>omar@ecoconsulting.net</a></span></font></p>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy'> </span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>EcoConsulting (Lebanon)</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Nahas</span></font><font
size=1 color=navy face=Arial><span lang=EN-US style='font-size:7.5pt;
font-family:Arial;color:navy'> Building</span></font><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:7.5pt;font-family:Arial;
color:navy'>, 4<sup>th</sup> floor</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>4 St-Maron Street</span></font><font
size=1 color=navy face=Arial><span lang=EN-US style='font-size:7.5pt;
font-family:Arial;color:navy'> / Georges Haddad Avenue</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Postal Code: 2028 5806
SAIFI</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Beirut</span></font><font
size=1 color=navy face=Arial><span lang=EN-US style='font-size:7.5pt;
font-family:Arial;color:navy'>, Lebanon</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Tel:
</span></font><font size=1 color=navy face=Arial><span style='font-size:7.5pt;
font-family:Arial;color:navy'>+961 (0) 1 971 266<br>
Mobile: +961 (0) 3 045 045</span></font></p>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy'> </span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:navy'>EcoConsulting (UK) Ltd<br>
28 Marshalsea Road<br>
London, SE1 1HF<br>
Tel: +44 (0) 207 939 0989<br>
Fax: +44 (0) 207 939 0981</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:navy'>Website: <a
href="http://www.ecoconsulting.net/" moz-do-not-send=true>www.ecoconsulting.net</a></span></font></p>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy'> </span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'> <img border=0
width=870 height=102 src="cid:image001.jpg@01CC4D50.708E7B10"></span></font></p>
</div>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
color=black face="Times New Roman"><span lang=EN-US style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 color=black face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span lang=EN-US style='font-size:10.0pt;font-family:Tahoma'>
Robby Oylear [<a href="mailto:robbyoylear@gmail.com">mailto:robbyoylear@gmail.com</a>]
<br>
<b><span style='font-weight:bold'>Sent:</span></b> 28 July 2011 00:53<br>
<b><span style='font-weight:bold'>To:</span></b> Omar Katanani<br>
<b><span style='font-weight:bold'>Cc:</span></b> Brad Robinson; <a
href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Equest-users]
URGENT: Window U-values: Total window assembly v/s Glass only</span></font></p>
</div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> </span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>Omar,</span></font></p>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>To directly answer your question:</span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>"</span></font><span class=apple-style-span><font
size=1 color=navy face=Arial><span style='font-size:9.0pt;font-family:Arial;
color:navy'>I’m assuming that, given that I entered the u-values for the
glass only, and then I entered information about the frame, then I need not
worry about any conversions in U-values, <u>since eQUEST has all the
necessary information to calculate the equivalent u-value of the whole pane +
frame assembly,</u>right?</span></font></span>"</p>
</div>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>No. Your method will result in an assembly
U-value based on your input glass conductance and whatever default frame
properties that the eQUEST wizard will use. I have never tried to let
eQUEST determine an assembly value, as NFRC values are required for LEED and
code compliance studies. I would not be surprised if the values eQUEST is
calculating (shown in LV-D and LV-E reports like previously mentioned) are much
different than what you'll actually see in the test results.</span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>Again, NFRC values are a LEED requirement, so unless
you're just doing preliminary analysis for a client, you need to receive NFRC
simulation reports or certified product directory numbers in accordance with
NFRC 100.</span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-top:1.0pt'><b><span style='mso-fareast-theme-font:minor-fareast'><font
size=2 color="#632423" face=Verdana><span style='font-size:10.0pt;font-family:
Verdana;color:#632423;font-weight:bold'>Robby Oylear, LEED<sup>®</sup><span
style='mso-fareast-theme-font:
minor-fareast'> AP BD+C</span></span></font></span></b></p>
<p class=MsoNormal><i><span style='mso-fareast-theme-font:minor-fareast'><font
size=1 color=black face=Verdana><span style='font-size:8.0pt;font-family:Verdana;
font-style:italic'>Mechanical Project Engineer</span></span></font></i></p>
<p class=MsoNormal><i><span style='mso-fareast-theme-font:minor-fareast'><font
size=1 color=black face=Verdana><span style='font-size:8.0pt;font-family:Verdana;
font-style:italic'>Energy Analyst</span></span></font></i></p>
<p class=MsoNormal><i><span style='mso-fareast-theme-font:minor-fareast'><font
size=1 color=black face=Verdana><span style='font-size:8.0pt;font-family:Verdana;
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size=1 color="#632423" face=Verdana><span style='font-size:8.0pt;line-height:
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size=1 color="#1f497d" face=Verdana><span style='font-size:8.0pt;line-height:
115%;font-family:Verdana;color:#1F497D'><span style='mso-fareast-theme-font:minor-fareast'>
</span></font><font size=1 face=Verdana><span style='font-size:7.5pt;
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</span></font><b><font size=1 color="#632423" face=Verdana><span
style='font-size:8.0pt;line-height:115%;font-family:Verdana;color:#632423;
font-weight:bold'></span>C</span></font></b><font size=1 color="#a50021"
face=Verdana><span style='font-size:8.0pt;line-height:115%;font-family:Verdana;
color:#A50021'><span style='mso-fareast-theme-font:minor-fareast'> </span></font><font
size=1 face=Verdana><span style='font-size:7.5pt;line-height:115%;font-family:
Verdana'>206-354-2721</span></span></font></p>
<p class=MsoNormal style='line-height:115%'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;line-height:115%'><a
href="http://www.rushingco.com/" moz-do-not-send=true><b><i><span
style='mso-fareast-theme-font:
minor-fareast'><font
size=1 color="#632423" face=Verdana><span style='font-size:8.0pt;line-height:
115%;font-family:Verdana;color:#632423;font-weight:bold;font-style:italic'>www.rushingco.com</span></span></font></i></b></a></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> </span></font></p>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>On Wed, Jul 27, 2011 at 2:44 PM, <<a
href="mailto:omar@ecoconsulting.net" moz-do-not-send=true>omar@ecoconsulting.net</a>>
wrote:</span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>Dear Robby,<br>
<br>
Yes, I am modeling for LEED purposes.<br>
I'll look into A8.2. But at least, is my method correct for the proposed
scenario?<br>
<br>
Brad: I think you need to enter the center of glass u-value in the "Glass
Type", and then enter the frame properties in the "Window"
properties...<br>
<br>
Best,<br>
Omar</span></font></p>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt'><br>
<br>
Quoting Brad Robinson <<a href="mailto:brad.robinson@yahoo.com"
target="_blank" moz-do-not-send=true>brad.robinson@yahoo.com</a>>:</span></font></p>
</div>
<blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;
margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'><br>
<br>
Is the u-value listed for a manufacturer and specific model on the NRCAN
website centre of glass or overall assembly? Many windows are custom made
to suit so I am unclear if each individual custom window would need to be tested.<br>
<br>
<br>
<br>
In eQuest, when entering the window, if the u-value represents the whole
window, including frame, do you need to enter a frame width, conductance etc as
well under the Window Frame section under Window Properties? Thanks.<br>
<br>
<br>
Brad Robinson<br>
<br>
<br>
<br>
________________________________<br>
From: Robby Oylear <<a href="mailto:robbyoylear@gmail.com" target="_blank"
moz-do-not-send=true>robbyoylear@gmail.com</a>><br>
To: Omar Katanani <<a href="mailto:omar@ecoconsulting.net" target="_blank"
moz-do-not-send=true>omar@ecoconsulting.net</a>><br>
Cc: <a href="mailto:equest-users@lists.onebuilding.org" target="_blank"
moz-do-not-send=true>equest-users@lists.onebuilding.org</a><br>
Sent: Wednesday, July 27, 2011 12:32:08 PM<br>
Subject: Re: [Equest-users] URGENT: Window U-values: Total window assembly v/s
Glass only<br>
<br>
<br>
Omar,<br>
<br>
The answer depends on the purpose of your study. If you're trying to get
results for a client on the impact of the glazing on their energy performance,
this may be adequate. Make sure you've entered in the framing information
properly (metal vs. non-metal).<br>
<br>
I'd recommend opening up your simulation output results file (xxxx.SIM) and
going to the either the last page of the LV-D report or sort through your LV-E
report to see what value eQUEST has calculated. Compare these values to
the ASHRAE Fundamentals results for overall assembly values including frame to
see how close you've come. I would not blindly trust that eQUEST will
give you an appropriate overall assembly value based on entering only the
center of glass number.<br>
<br>
However, if this is for a LEED study, this is not adequate. This an
excerpt from an e-mail I sent out recently regarding LEED and NFRC
requirements.<br>
<br>
In order to meet LEED EAp2 Minimum Energy Performance, the project must comply
with all mandatory provisions of ASHRAE 90.1-2007. Section 5.4.2
Fenestration and Doors requires that fenestration performance be determined per
section 5.8.2. Section 5.8.2.4 U-factor requires that the U-factor for
the overall fenestration area (including framing) be determined in accordance
with NFRC 100. If you do not have NFRC data available, values from section A8.2
are the only acceptable alternative.<br>
<br>
Robby Oylear, LEED®AP BD+C<br>
Mechanical Project Engineer<br>
Energy Analyst<br>
</span></font></p>
</div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>D206-788-4571 |C206-354-2721</span></font></p>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'><br>
<a href="http://www.rushingco.com" target="_blank" moz-do-not-send=true>www.rushingco.com</a><br>
<br>
<br>
<br>
<br>
<br>
On Wed, Jul 27, 2011 at 8:14 AM, Omar Katanani <<a
href="mailto:omar@ecoconsulting.net" target="_blank" moz-do-not-send=true>omar@ecoconsulting.net</a>>
wrote:<br>
<br>
Dear all,</span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> <br>
I have a small question regarding entering</span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>window properties to eQUEST:</span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> <br>
I have read a lot of emails in the forum</span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>discussing NFRC testing, LBNL Window 5 import, and
other topics that I haven?t<br>
paid attention to before.</span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> <br>
The way I modelled my windows is the</span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>following:</span></font></p>
</div>
<blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;
margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> <br>
1. I have manufacturer?s specifications listing the
glass U-values, not the total assembly.<br>
2. In the ?Glass Types? (eQUEST Detailed Mode), I
created glass types, and entered the glass conductance, visible transmittance,
SC, and emissivity from the manufacturer?s details I have.<br>
3. When creating windows, I specify which glass type
(from the ones I created in step 2), in addition to the frame width and
conductance.</span></font></p>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'><br>
<br>
I?m assuming that, given that I</span></font></p>
</div>
</blockquote>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>entered the u-values for the glass only, and then I
entered information about<br>
the frame, then I need not worry about any conversions in U-values, since<br>
eQUEST has all the necessary information to calculate the equivalent u-value of<br>
the whole pane + frame assembly, right?</span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> <br>
I appreciate your feedback / comments</span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>today if possible, as this has become really urgent!</span></font></p>
</div>
<blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;
margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'>
<div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> <br>
Many thanks,<br>
Omar<br>
___________________________<br>
Omar Katanani<br>
Sustainable Design Engineer<br>
Email: <a href="mailto:omar@ecoconsulting.net" target="_blank"
moz-do-not-send=true>omar@ecoconsulting.net</a><br>
<br>
EcoConsulting (Lebanon)</span></font></p>
</div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>NahasBuilding, 4th floor</span></font></p>
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<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
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<fieldset class="mimeAttachmentHeader"></fieldset></span></font></p>
<pre><font size=2 color=black face="Courier New"><span style='font-size:10.0pt'>_______________________________________________</span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>Equest-users mailing list</span></font></pre><pre><font
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href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a></span></font></pre><pre><font
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