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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">David,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Summer steam loads, especially ones higher than average, are pretty typical for laboratory buildings. Older ones tend to have high minimum air change rates
that result in high reheat energy consumption. If lab plug loads were as high as many planners suggest then you’d be getting “free” warming of all that ventilation air, but the reality that we and others find when benchmarking lab facilities is that plug
loads are typically 50-80% lower than anticipated. So, this is likely your main culprit. You should also try to determine what process loads may be going on that require steam. Additionally, you might be sure that your building isn’t adding humidification
unexpectedly post dehumidification. Strange things can happen in real buildings.<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">Good luck.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><br>
Paul<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#660000;text-transform:uppercase">Paul Erickson</span></b><b><span style="font-size:9.0pt;font-family:"Calibri","sans-serif";color:#333333">
</span></b><span style="font-size:9.0pt;font-family:"Calibri","sans-serif";color:#333333">LEED®BD+C
<br>
</span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#333333;text-transform:uppercase">Practice leader Sustainable<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri","sans-serif";color:#333333"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:9.0pt;font-family:"Calibri","sans-serif";color:#660000">AEI</span></b><span style="font-size:9.0pt;font-family:"Calibri","sans-serif";color:#333333"> |
AFFILIATED ENGINEERS, INC. <br>
5802 Research Park Boulevard | Madison, WI 53719<br>
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</span><span style="font-size:9.0pt;font-family:"Calibri","sans-serif";color:#660000">P: 608.236.1112 | C: 303.859.7523</span><span style="font-size:9.0pt;font-family:"Calibri","sans-serif";color:#333333"> <br>
</span><span style="font-size:9.0pt;font-family:"Calibri","sans-serif";color:#660000"><a href="mailto:perickson@aeieng.com"><span style="color:#660000;text-decoration:none">perickson@aeieng.com</span></a> |
</span><b><span style="font-size:9.0pt;font-family:"Calibri","sans-serif";color:#660000"><a href="http://www.aeieng.com/"><span style="color:#660000;text-decoration:none">www.aeieng.com</span></a></span></b><span style="font-size:9.0pt;font-family:"Calibri","sans-serif";color:#333333">
<o:p></o:p></span></p>
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<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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<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>David Tamayo<br>
<b>Sent:</b> Wednesday, December 05, 2012 9:12 PM<br>
<b>To:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> [Bldg-sim] Laboratory Summer Heating Energy Usage<o:p></o:p></span></p>
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<p class="MsoNormal">I am in the midst of modeling and analyzing heating usage for a laboratory/classroom type of building. I am sizing everything similar to the actual building, and setting plug loads according to the standards for a laboratory; however, I
am having trouble capturing the summer steam usage. The current building has a great deal of summer heating, but I can't seem to capture the heating for the summer. Has anyone had this sort of trouble, and does anyone have any tips or advice?<o:p></o:p></p>
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<p class="MsoNormal">Thank you,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">David<o:p></o:p></p>
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