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<p class=MsoNormal>Good morning All.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>We are modeling a two-story college classroom building in
Fort Myers, Florida. Per ASHRAE 90.1-2004 App'x G, Table G3.1.1A, the
baseline building is modeled using System 4, PSZ-HP. The proposed design
is chilled water VAV with electric strip heat. We have completed numerous
models comparing these system types previously using VisualDOE with results, as
expected, showing the baseline building consuming approximately 1/3 (or
slightly less) of the energy used by the proposed design. However, as
modeled in eQUEST, when comparing the baseline building heating energy to the
proposed design, results show the baseline building using approximately 1/63rd
of the heating energy used by the proposed design. Internal loads are
almost identical in both the proposed and baseline models. The outdoor
air flow and humidity controls are identical in each model. Also, comparing
peak design conditions in the simulation output shows the baseline building
losing heat at approximately twice the rate of the proposed design. We
are at a loss trying to determine why the heating energy is virtually
non-existent in the baseline model.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Models are attached for reference. Any insight or
assistance is greatly appreciated. Thanks in advance and kind regards,<o:p></o:p></p>
<p class=MsoNormal><b>Lawrin T. Ellis, PE <o:p></o:p></b></p>
<p class=MsoNormal><span style='font-size:10.0pt'>LEED AP, CxA<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;color:#333333'>Associate,
Mechanical Project Engineer<o:p></o:p></span></i></p>
<p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal><b><span style='color:#006363'>TLC Engineering for
Architecture<br>
</span></b><b><span style='font-size:10.0pt;color:#006363'>Your Architecture
2030 Partner</span><span style='color:#006363'><o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt'>1400 Colonial Boulevard,
Suite 203<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt'>Ft. Myers, FL 33907<o:p></o:p></span></p>
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