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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I would echo Liam’s suggestions with some additional
thoughts...<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'>eQuest is powerful and flexible, but one thing it doesn’t particularly
excel at is modeling airflow between zones. You can certainly build an accurate
model for a small residential project with 1 zone, and over-zoning will only
make it a more difficult task. <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'>However, unless you have a pretty fancy HVAC system in mind, you’re
probably talking mechanically about a single-zone system anyway (1-thermostat)…
<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'>That said, even with 1 zone you can still define individual
spaces grouped under a zone if you wish to. You can “connect”
two or more such spaces thermally (as with say an open kitchen/dining/living
space) by redefining their partition walls as “air” instead of
frame walls (and maintaining the space relationships) in the detailed mode,
post-wizards. I may be misunderstanding, but I don’t think going
crazy with spaces will cause you any serious headaches if you’re mindful
to tie open spaces together (remembering many residential doorways stay open
90% of the time).<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'>Understanding the solar decathalon is a college-level
competition, I’ll stick my neck out and make the brash assumption that you
might be fairly new to energy modeling in general (please forgive me if this is
out of line)! Some potentially useful advice to that end may include a
few of these “wish I knew this when I started” items:<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The best/most accurate/time efficient energy models result from
good communication between all designers/disciplines involved. That’s
between the energy modeler and each other. It’s your job to stay
abreast of everyone’s progress. <o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Ask questions!<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Energy modeling to assist with optimizing design elements can
happen at various stages of building design – but take care to stay mindful
of the order of design. At a “preconceptual” level, you might
hammer out various building envelope massing/orientation/glazing/shading
layouts for rough comparative results (eQuest may not be the most
time-efficient tool for this… suggesting Sketchup + IES-VE plugin for a
free option) – doing so, you and all parties need to intimately understand
there will be a good deal of inaccuracy in such models, and that’s okay
for their purpose.<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>It’s more productive to shift optimizing design elements
such as HVAC control elements, load balancing through thermal massing options, and
daylight harvesting nuances to a later stage of design. Before such
systems are laid out, you have little capacity to obtain results accurate enough
to be meaningful to the final design.<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The phrase “comparative results” is a much more practical/manageable
goal than “accurate results” during early design phases. Seek
to make apples-to-apples comparisons to guide the design decisions in the right
direction, not to provide the final answers. <o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Sleep, 3 meals a day and regular exercise go a long way.<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Subscribe to bldg-sim and equest-users and bookmark the corresponding
archive search pages – these are fantastic resources for learning and
exploring.<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Saving your progress more often than is necessary is much better
than the alternative. Save excessively and in separate directories.
Really.<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Otherwise simple energy modeling tasks can become VERY hard when
the design team is not on the same page regarding the end-goals. “Saving
Energy” is something everyone can agree to… but is your metric in
dollars, EUI, % improvement, tons of CO2 and/or carbon footprint? Leaving
such end-goal priorities unanswered can create major friction, so address this
early!<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>If you pursue energy modeling seriously, you will inevitably and
necessarily learn a heck of a lot and fast. Never however assume you’re
the smartest head in the room – you can always learn and grow from others’
perspectives if you keep your eyes and ears open.<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'>Hope some of this helps, best of luck!<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'>~Nick<o:p></o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><img width=119 height=37 id="Picture_x0020_1"
src="cid:image001.jpg@01CADCC0.B1692510" alt="cid:489575314@22072009-0ABB"></span><b><span
style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Calibri","sans-serif";
color:#CC9900'>PROJECT ENGINEER</span><span style='font-size:7.5pt;color:#CC9900'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>25501 west valley parkway<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>olathe ks 66061<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>direct 913 344.0036<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>fax 913 345.0617<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>Check out our new web-site @ </span></i><span style='font-size:
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style='font-size:10.0pt'>www.smithboucher.com</span></a></span><u><span
style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:blue'> </span></u><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><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>
<div>
<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"'>
bldg-sim-bounces@lists.onebuilding.org [mailto:bldg-sim-bounces@lists.onebuilding.org]
<b>On Behalf Of </b>Liam O'Brien<br>
<b>Sent:</b> Thursday, April 15, 2010 3:03 PM<br>
<b>To:</b> jacobfaiola@yahoo.com; bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] zoning for a small single family dwelling<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;
font-family:"Verdana","sans-serif"'>Jacob,<br>
<br>
I have found performance of passive solar houses to be particularly sensitive
to zoning choices. If you "over-zone" your house, you'll find
that the direct gain areas overheat even if the other zones are cool, unless
you properly distribute the energy using mechanical or natural
circulation. For 1000 SF, I would consider going with two zones.
One for the direct gain zone, and one for non-direct gain zone, depending on
the interior layout. For houses of that size with minimal glazing one
zone would probably be enough. My belief is that unless you truly know
how the air flows between zones, you're not gaining anything by using an
excessive number of zones. Also, you might consider using a simulation
tool that accurately models thermal mass using the finite difference
method. <br>
<br>
Liam O'Brien<o:p></o:p></span></p>
<div class=MsoNormal align=center style='text-align:center'><span
style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>
<hr size=2 width="100%" align=center id=stopSpelling>
</span></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;
font-family:"Verdana","sans-serif"'>Date: Thu, 15 Apr 2010 12:44:51 -0700<br>
From: jacobfaiola@yahoo.com<br>
To: bldg-sim@lists.onebuilding.org<br>
Subject: [Bldg-sim] zoning for a small single family dwelling<o:p></o:p></span></p>
<div>
<div>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:#660000'>I
am modeling a 1000 sf single family dwelling for the Solar Decathlon, a net
zero home design competition.<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:#660000'>I
would like to maximize the accuracy of the model. Does it make sense to zone
each room individually so I can precisely assign activity areas?<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:#660000'>Or
should I just zone the whole house as single family residential and let eQUEST
figure that out?<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:#660000'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:#660000'>thanks,<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:#660000'>Jacob
Faiola<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;
font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p>
<div class=MsoNormal align=center style='text-align:center'><span
style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>
<hr size=2 width="100%" align=center>
</span></div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Live
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