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<p class=MsoNormal><a name="_MailEndCompose"><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'>Thanks Jeff for the great
references for this ‘overview’ information. I thought you (or
someone) might also be able to point to some overview reading regarding
schematic energy analysis tools and M&V as a service.<o:p></o:p></span></a></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I’m assuming that the mid-sized firm where I work is not
unique regarding our challenge to learn more about actual building performance
(signed the 2030 carbon challenge). We consult with engineers and in house focus
primarily on architecture and landscape. So we use tools like Vasari, Revit,
and Green Building Studio to approximate EUI at a massing level, then hand off
the energy analysis to the pros (our engineers tend to use HAP or Trace). Our
goal with these tools is to understand the relative energy performance of different
massing and fenestration designs. While they are nice and simple for us
architects, they don’t seem to produce detailed reports that we can share
with our engineers to accomplish a sense of confidence in the model. However,
we are also concerned that learning more sophisticated software (IES, Ecotect,
EnergyPlus, eQuest) might not actually improve our design. My question is if there
is a relatively recent summary of energy analysis tools available and how they
relate to schematic design? Bigger picture, what really needs to occur in the
AEC industry to execute competent energy design?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The second question is similar, but regarding M&V. We have
seen how third-party commissioning can have a huge impact on performance. We
have also started to collect utility information from some of our clients with
the intent to better understand actual performance. While we specify numerous meters
to track energy consumption, we have not actually had a client follow through
with M&V at the level of IPMVP (due to the cost of this service). So we are
struggling to gain experience with calibrated energy models and what they can
tell us about our initial design assumptions. Is M&V a service that really
helps someone operating a 30,000 sf building, or is it more a way to close the
loop on design in the hope of doing better next time? Is there a summary of the
rationale for M&V, and best practices for delivering this service?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I appreciate that these are pretty broad questions – any reading
suggestions are greatly appreciated.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Trebuchet MS","sans-serif";color:black'>Stuart Shell, AIA, CDT</span><span
style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:#006000'><o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:8.0pt;
font-family:"Trebuchet MS","sans-serif";color:#006000'>LEED AP BD+C</span><span
style='font-size:10.0pt;font-family:"Trebuchet MS","sans-serif";color:#8F8F8F'><o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Trebuchet MS","sans-serif";color:#8F8F8F'>---------------------------------------<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Trebuchet MS","sans-serif";color:#8F8F8F'>RDG</span><span
style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:#8F8F8F'>
Planning & Design<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:8.0pt;
font-family:"Trebuchet MS","sans-serif";color:#8F8F8F'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:8.0pt;
font-family:"Trebuchet MS","sans-serif";color:#8F8F8F'>900 Farnam on the Mall <o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:8.0pt;
font-family:"Trebuchet MS","sans-serif";color:#8F8F8F'>Suite 100 <o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:8.0pt;
font-family:"Trebuchet MS","sans-serif";color:#8F8F8F'>Omaha, Nebraska
68102-5089 <o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:8.0pt;
font-family:"Trebuchet MS","sans-serif";color:#8F8F8F'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:8.0pt;
font-family:"Trebuchet MS","sans-serif";color:#8F8F8F'>Tel: 402.392.0133 <o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:8.0pt;
font-family:"Trebuchet MS","sans-serif";color:#8F8F8F'>Dir: 402.449.0816 <o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:8.0pt;
font-family:"Trebuchet MS","sans-serif";color:#8F8F8F'>Cell: 402.216.1235 <o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><u><span style='font-size:8.0pt;
font-family:"Trebuchet MS","sans-serif";color:#FF421E'><o:p><span
style='text-decoration:none'> </span></o:p></span></u></p>
<p class=MsoNormal style='text-autospace:none'><a href="http://www.rdgusa.com/_"><span
style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:#FF421E'>www.rdgusa.com</span></a><span
style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:#8F8F8F'><o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:8.0pt;
font-family:"Trebuchet MS","sans-serif";color:#8F8F8F'>RDG Schutte Wilscam
Birge, Inc. <o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Jeff Haberl
[mailto:jhaberl@tamu.edu] <br>
<b>Sent:</b> Friday, April 08, 2011 11:16 PM<br>
<b>To:</b> Richard M Sapwell; bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] Existing building thermal performance assessment
methodology?<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Richard,<o:p></o:p></span></p>
<p><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <o:p></o:p></span></p>
<p><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>The
most current publication that covers all aspects of how to rate a building's
performance would be the ASHRAE Performance Metric Protocols or PMP. The PMP
has three levels of evaluating the energy, water, IEQ (thermal comfort and
IAQ), acoustics and lighting performance. In the PMP special emphasis was given
to references for both North American and European Standards where the reader
could go to learn more.<o:p></o:p></span></p>
<p><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <o:p></o:p></span></p>
<p><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Unfortunately,
assessing the thermal performance of a real building is a bit more difficult
because of the compounding errors that occur when one tries to unravel the
performance of the various heat transfer pathways, (i.e., the windows, walls,
roof, occupants, infiltration, internal loads, etc. Furthermore, to make
matters worse, the smaller the building (i.e., residential), the worse it
is to decompose the thermal components, i.e., the window SHGC from the U-value,
or the infiltration.<o:p></o:p></span></p>
<p><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <o:p></o:p></span></p>
<p><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>There
have been some worthy attempts that have shown certain things can be
coaxed out of the data. The earliest one that I'm aware of was the PSTAR by
Kris Subbarao in the early 80s. This was later picked up by folks at SERI, now
NREL and carried into newer analysis, for example, the recent work with BESTEST
EX by Judkoff and Neymark for residential. There was also the mid 90s work by
Manke and Hittle that demonstrated the use of empirical parameters, sometimes
that were physically unreasonable but gave the best fit. There was also a bit
of work done by Palmiter on black and gray box methods, and the
"test-hut" work published by Yaeger in the late 1980s. Other works
include Mazzucchi, and Kaplan, and of course the work by Hsieh et al. at
Princeton. You can pick up the thread on these by reading the literature
searches in one or more of the thesis on our web site by Bronson, Bou Saada,
Abbas, Song, Kim and others on calibrated simulation.<o:p></o:p></span></p>
<p><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <o:p></o:p></span></p>
<p><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Hope
this helps.<o:p></o:p></span></p>
<p><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <o:p></o:p></span></p>
<p><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>jeff<o:p></o:p></span></p>
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<p><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <o:p></o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:blue'>8=! 8=) :=) 8=) ;=) 8=)
8=( 8=) 8=() 8=) 8=| 8=) :=') 8=)8=?<br>
<br>
Jeff S. Haberl, Ph.D.,P.E., <a
href="mailto:FASHRAE..............jhaberl@tamu.edu">FASHRAE..............jhaberl@tamu.edu</a><br>
<br>
Professor............................................................Office Ph:
979-845-6507<br>
<br>
Department of Architecture.............................Lab Ph:979-845-6065<br>
<br>
Energy Systems Laboratory.............................FAX: 979-862-2457<br>
<br>
Texas A&M University.....................................77843-3581<br>
<br>
College Station, Texas, USA, 77843..................URL:www.esl.tamu.edu<br>
<br>
8=/ 8=) :=) 8=) ;=) 8=) 8=()
8=) :=) 8=) 8=! 8=) 8=? 8=)8=0</span><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p></o:p></span></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>
bldg-sim-bounces@lists.onebuilding.org [bldg-sim-bounces@lists.onebuilding.org]
on behalf of Richard M Sapwell [ecodesigns@tpg.com.au]<br>
<b>Sent:</b> Friday, April 08, 2011 9:26 PM<br>
<b>To:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> [Bldg-sim] Existing building thermal performance assessment
methodology?</span><span style='color:black'><o:p></o:p></span></p>
</div>
<div>
<div>
<p class=MsoNormal><span lang=EN-AU style='font-size:9.0pt;font-family:"Arial","sans-serif";
color:black'>G'day,</span><span style='color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p>
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<p class=MsoNormal><span lang=EN-AU style='font-size:9.0pt;font-family:"Arial","sans-serif";
color:black'>Can anyone suggest other then a software program a
'methodology' for the assessment of the thermal performance of existing
commercial buildings?</span><span style='color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p>
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<p class=MsoNormal><span lang=EN-AU style='font-size:9.0pt;font-family:"Arial","sans-serif";
color:black'>Determining the occupants thermal comfort levels and the air
indoor quality would be beneficial but not essential for the methodology.</span><span
style='color:black'><o:p></o:p></span></p>
</div>
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<p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p>
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<p class=MsoNormal><span lang=EN-AU style='font-size:9.0pt;font-family:"Arial","sans-serif";
color:black'>Thanks in advance.</span><span style='color:black'><o:p></o:p></span></p>
</div>
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<p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p>
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<p class=MsoNormal><span lang=EN-AU style='font-size:9.0pt;font-family:"Arial","sans-serif";
color:black'>Regards,<br>
Richard </span><span style='color:black'><o:p></o:p></span></p>
</div>
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<p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p>
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<p class=MsoNormal><span lang=EN-AU style='font-size:18.0pt;font-family:"Arial","sans-serif";
color:black'>eco</span><span lang=EN-AU style='font-size:18.0pt;font-family:
"Arial","sans-serif";color:green'>designs</span><span lang=EN-AU
style='font-size:9.0pt;font-family:"Arial","sans-serif";color:green'> </span><span
lang=EN-AU style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'>know
the elements, work with them</span><span style='color:black'><o:p></o:p></span></p>
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