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Nic,<br>
<br>
In addition to what others did mention, do not be surprised if (and
this is due to the increase of insulation) for internal load type of
the building actually you get higher energy use and, not the
savings, relate this explanation to the thermos: , higher R
(resistance) value, less heat transfer, smaller time lag
differential through envelope, more cooling internaly needed due to
thermostat set points.<br>
Note that your building location, climate data is very important as
always.<br>
<br>
Kind Regards,<br>
Fisnik<br>
<br>
<div style="margin-top: 1em; color: #000000; font-family: 'Arial
Narrow', Arial, sans-serif; font-style: normal; font-weight:
normal; font-size: 16px; line-height: 1.18; ">
<div style="font-size: 0.908em; line-height: 1.2;"><span
style="font-weight: bold;">Fisnik Rushiti, Dipl.Eng.Arch.<br>
<small>Energy Analyst</small><br>
</span></div>
<div style="font-size: 0.908em; line-height: 1.2;">608-232-4323</div>
<div style="font-size: 1.186em; line-height: 2;"><span
style="font-weight: bold;">Flad</span> Architects</div>
<div style="font-size: 0.698em; line-height: 1.2; color: #666666;
">644 Science Drive</div>
<div style="font-size: 0.698em; line-height: 1.2; color: #666666;
">PO Box 44977</div>
<div style="font-size: 0.698em; line-height: 1.2; color: #666666;
">Madison, WI 53711</div>
<div style="font-size: 0.698em; line-height: 1.2; color: #666666;
">P 608-238-2661</div>
<div style="font-size: 0.735em; line-height: 1.2; color: gray; ">F 608-238-6727<br>
<small>E <a class="moz-txt-link-abbreviated" href="mailto:frushiti@flad.com">frushiti@flad.com</a></small><br>
<small><a class="moz-txt-link-abbreviated" href="http://www.flad.com">www.flad.com</a></small><br>
<br>
</div>
<div style="font-family: Verdana, Tahoma, sans-serif; font-size:
0.735em; line-height: 2; color: green; "><small>please consider
the environment before printing this email</small></div>
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<br>
<br>
On 1/25/2012 3:34 PM, <a class="moz-txt-link-abbreviated" href="mailto:equest-users-request@lists.onebuilding.org">equest-users-request@lists.onebuilding.org</a>
wrote:
<blockquote
cite="mid:mailman.0.1327527285.11910.equest-users-onebuilding.org@lists.onebuilding.org"
type="cite">
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<div class="headerdisplayname" style="display:inline;">From:
</div>
nic <a class="moz-txt-link-rfc2396E" href="mailto:ffonics@gmail.com"><ffonics@gmail.com></a></td>
</tr>
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<td>
<div class="headerdisplayname" style="display:inline;">Date:
</div>
1/25/2012 3:00 PM</td>
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cellspacing="0" width="100%">
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<td>
<div class="headerdisplayname" style="display:inline;">To:
</div>
<a class="moz-txt-link-abbreviated" href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a></td>
</tr>
</tbody>
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<br>
<div class="moz-text-html" lang="x-western">I am attempting to
establish a few alternatives compared to an ASHRAE 90.1 Wall
construction. This much seems pretty straightforward with the
only change between alternatives being a different construction
applied to the exterior above grade walls. All alternatives are
modeled as delayed and with layered materials. The wall from
outside to inside is stucco(finish) R0.08 + Cont. Insulation
R-VARIES + Ext sheathing R0.56 + Framing/Insulation R-VARIES* +
Int. Sheating R0.56 (air films do not change, infiltration does
not change, etc.)<br>
<br>
*framing 16" Mtl OC taken into account<br>
<br>
<<< I should mention the building is very much internal
load dominant as an education building with a lot of laboratory
space >>><br>
<br>
<div>The problem described below has been input into eQuest
using material properties for all continuous insulation and a
representative R-value for framing/insulation.<br>
</div>
<div><br>
</div>
<br>
BASELINE - 90.1 - R6* + 7.5 ci na<br>
<br>
ALT1 - only ext insulation R0.9 + 12 ci -8% savings (% energy
under EUI - kBtu/sf/yr) <br>
<br>
ALT2 - improved ext insulation R6* + 12 ci +1% savings<br>
<br>
ALT3 - improved cavity insulation R7.1* + 7.5 ci +1% savings<br>
<br>
ALT4 - all insulation improved R7.1* + 12 ci +2% savings<br>
<div><br>
</div>
<div>I guess the question really is; does the issue lie within
the vav systems or the envelope or both?<br>
</div>
<div><br>
</div>
As a novice, I greatly appreciate any help.</div>
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