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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>A recent LEED MV plan review comment asked “please indicate the proposed calibration method to account for the local weather conditions during the performance period.”<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>This raises the question for me - are model results significantly impacted by the difference between historic weather data and performance-period data?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>When I’m engaged in Measurement and Verification, I can install a weather station that records data for performance period to allow for calibration. (<a href="http://www.gsd.harvard.edu/research/gsdsquare/Publications/BuildingSimulation2009.GundHallModel.pdf">http://www.gsd.harvard.edu/research/gsdsquare/Publications/BuildingSimulation2009.GundHallModel.pdf</a>)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>But for an investment-grade energy audit with historic bills, I’m not sure where to turn for all the variables needed to construct a weather file.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Anyone on this list have a recommendation? <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>(I’m specifically looking for NYC, 2009, weather data for an eQUEST model.)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal style='line-height:150%;text-autospace:none'><b><span style='font-size:9.0pt;line-height:150%;font-family:"Verdana","sans-serif";color:gray'>Aaron Dahlstrom , PE, LEED® AP</span></b><o:p></o:p></p><p class=MsoNormal style='line-height:150%;text-autospace:none'><b><span style='font-family:"AvantGarde Bk BT","sans-serif";color:#17365D'>In P</span></b><b><span style='font-family:"AvantGarde Bk BT","sans-serif";color:#619428'>o</span></b><b><span style='font-family:"AvantGarde Bk BT","sans-serif";color:#17365D'>sse</span></b><span style='font-size:9.0pt;line-height:150%;font-family:"Verdana","sans-serif";color:gray'> – </span><span style='font-size:8.0pt;line-height:150%;font-family:"Verdana","sans-serif";color:gray'>A subsidiary of</span><span style='font-size:9.0pt;line-height:150%;font-family:"Verdana","sans-serif";color:gray'> </span><b><span style='font-size:9.0pt;line-height:150%;font-family:"Verdana","sans-serif";color:#CC0000'>AKF</span></b><span style='font-size:9.0pt;line-height:150%;font-family:"Verdana","sans-serif";color:gray'>| 1500 Walnut Street, Suite 1414, Philadelphia, PA 19102 </span><o:p></o:p></p><p class=MsoNormal style='line-height:150%;text-autospace:none'><span style='font-size:9.0pt;line-height:150%;font-family:"Verdana","sans-serif";color:gray'>d: 215-282-6753| m: 267-507-5470| In Posse: 215-282-6800| AKF: 215-735-7290</span><o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:gray'>e: ADahlstrom@in-posse.com | in posse web: <a href="http://www.in-posse.com/"><span style='color:blue'>www.in-posse.com</span></a> | akf web: <a href="http://www.akfgroup.com/"><span style='color:blue'>www.akfgroup.com</span></a></span><o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:gray'> </span><o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:gray'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Times New Roman","serif";color:gray'> </span><o:p></o:p></p></div><br clear=all> This e-mail may contain information that is confidential, privileged or otherwise protected from disclosure. If you are not an intended recipient of this e-mail, do not duplicate or redistribute it by any means. Please delete it and any attachments and notify the sender that you have received it in error. Unintended recipients are prohibited from taking action on the basis of information in this e-mail. E-mail messages may contain computer viruses or other defects, may not be accurately replicated on other systems, or may be intercepted, deleted or interfered without the knowledge of the sender or the intended recipient. If you are not comfortable with the risks associated with e-mail messages, you may decide not to use e-mail to communicate with In Posse.
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