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<font size="+1">Hi Ginnie,<br>
<font size="+1">IAQ costs money and bringing in fresh outside air
to improve it is the solution. Heat recovery depending on your
climate doesn't always <font size="+1">save money but typically
if you have hot hu<font size="+1">mid summers or cold winters
it will. I would first <font size="+1">take a look at your
ERV/HRV s<font size="+1">chedule to make sure it is<font
size="+1">n't running 24/7. <font size="+1">You
should also check it<font size="+1">'s relationship
with the economizers. It should be off and byp<font
size="+1">assed when they are running. You only
need fresh air for people when they are there
occupying the building.<br>
<font size="+1">Bruce Easterbrook P.Eng.<br>
<font size="+1">Abode Engineering<br>
<br>
</font></font></font></font></font></font></font></font></font></font></font></font>
<div class="moz-cite-prefix">On 05/06/2013 11:22 AM, Ginnie
Schofield wrote:<br>
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<p class="MsoNormal">Equest Users:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">In my school model, I have added the Heat
Recovery option to my VAVS system in the current model, and it
throws results clear out of line, increasing electric power
usage almost 3 times, with increased ventilation fan
operation and space cooling year round, which shouldn’t be
necessary in Wyoming.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Looking for methods to modify input and
correct these obviously errant results. There has been some
discussion here earlier this week, tried a couple of the
suggestions, without acceptable results. If adding another
system to handle the heat recovery or adding smaller heat
recover to each zone is the right answer, please share the
method for creating the new system in detailed edit mode.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thank you in advance for your time and
suggestions.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Arial","sans-serif";color:navy">G</span></b><b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:navy">INNIE
</span></b><b><span
style="font-size:12.0pt;font-family:"Arial","sans-serif";color:navy">S</span></b><b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:navy">CHOFIELD</span></b><b><span
style="font-size:12.0pt;font-family:"Arial","sans-serif";color:navy"><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Arial","sans-serif";color:navy">E</span></b><b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:navy">NGINEERING
</span></b><b><span
style="font-size:12.0pt;font-family:"Arial","sans-serif";color:navy">D</span></b><b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:navy">ESIGN
</span></b><b><span
style="font-size:12.0pt;font-family:"Arial","sans-serif";color:navy">A</span></b><b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:navy">SSOCIATES<o:p></o:p></span></b></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:navy">(Ph)
307-266-5033 (Fx) 307-234-3805<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Arial","sans-serif";color:navy"><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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