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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='color:#1F497D'>I have the same question as Josh. My value from the wizard is coming out different from the equation. Even when calculating EER to EIR.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Example:<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Wizard = EER 11 = 0.258<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Calculation = EER 11 =0 .31 (which actually is the default value in my model when I fire it up)<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Wizard = EER 12.5 =0.2223<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Calculation = EER 12.5 = 0.27<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Wizard = SEER 13 = 0.2507<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Calculation = SEER 13 = 0.296<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>However in my calculations there is a 0.05 difference from wizard to calculation. (Obviously missing something) Should I just use the wizard values and be done with it? <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=DE style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'>PETER HILLERMANN<o:p></o:p></span></b></p><p class=MsoNormal><span lang=DE style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:8.0pt;font-family:"ITC Avant Garde Gothic Demi";color:#1F497D;letter-spacing:1.0pt'><a href="mailto:peterh@westallarchitects.com">peterh@westallarchitects.com</a><o:p></o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'><o:p> </o:p></span></p><p class=MsoNormal style='line-height:75%'><b><span lang=DE style='font-size:14.0pt;line-height:75%;font-family:"ITC Avant Garde Std Md","sans-serif";color:#1F497D;letter-spacing:1.0pt'>westall</span></b><span lang=DE style='font-size:14.0pt;line-height:75%;font-family:"Times New Roman","serif";color:#1F497D;letter-spacing:1.0pt'><o:p></o:p></span></p><p class=MsoNormal style='margin-left:4.0pt;line-height:75%'><b><span style='font-size:14.0pt;line-height:75%;font-family:"ITC Avant Garde Std Md","sans-serif";color:#1F497D;letter-spacing:1.0pt'>architects</span></b><span style='font-size:14.0pt;line-height:75%;color:#1F497D;letter-spacing:1.0pt'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'>3404 pierce drive<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'>chamblee, georgia 30341<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'>o 770.458.4113<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'>f 770.458.5352<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'>c 678.898.2936<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Gothic Demi";color:#1F497D;letter-spacing:1.0pt'>westallarchitects.com</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D;letter-spacing:1.0pt'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><img border=0 width=160 height=87 id="_x0000_i1029" src="cid:image003.jpg@01CB0E0F.46A41D90" alt=e-signature><img border=0 width=92 height=90 id="Picture_x0020_2" src="cid:image004.gif@01CB0E0C.7555BA20" alt=USGBC-Logo><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><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"'> equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Josh Greenfield<br><b>Sent:</b> Tuesday, June 15, 2010 4:02 PM<br><b>To:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> [Equest-users] eQuest: SEER to EIR??<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sorry to be beating a dead horse…<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>the attached document has been floating around the boards for awhile in regards to how an entered EER value in the Wizard gets converted to the Cooling-EIR value in the Detailed Edit mode, and after doing a few EER value tests, I can confirm it works…<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’ve also found in various emails the conversions on the heat pump heating side of COP and HSPF to Heating-EIR, and those work too after testing various values in the Wizard…<o:p></o:p></p><p class=MsoNormal>Heating EIR = (1/(COP*3.413)-0.012167)/((1/3.413)-0.012167)<o:p></o:p></p><p class=MsoNormal>Heating EIR = (1/((HSPF*0.28+1.13)*3.413)-0.012167)/((1/3.413)-0.012167)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>But I just can’t get the SEER to EER conversion from the document (EER = SEER x 0.778 + 1.4) to work. I’m assuming that the converted SEER to EER value then gets put into the working equation from that PDF of Cooling-EIR = ((1/EER)-0.12167)/((1/3.413)+0.012167)).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>As an example…if you put in a 13 SEER into the Wizard, a 0.2507 Cooling-EIR value is calculated in the Detailed Edit mode, but if you use the SEER to EER (13 SEER would equal a 11.514 EER) and then the EER to EIR equations, it says EIR should be 0.2447.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any help/suggestions would be great…hopefully it’s just a math error on my part.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><br><b>Josh Greenfield</b>, </span><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>PE, REP, LEED AP</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><br>Energy Services Manager<br>Associate Vice President<br>312.242.6392 Direct<br></span><span style='font-size:10.0pt;color:#4F6228'><a href="blocked::mailto:jgreenfield@primerachicago.com" title="blocked::mailto:jgreenfield@primerachicago.com"><span style='font-family:"Arial","sans-serif";color:#4F6228'>jgreenfield@primerachicago.com</span></a></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><img border=0 width=144 height=29 id="Picture_x0020_1" src="cid:image005.jpg@01CB0E0C.7555BA20" alt=Logo-CMYK-Resume><br>Primera Engineers, Ltd.<br>100 S. Wacker Drive, Suite 700<br>Chicago, IL 60606<br>312.606.0910 Main<br>312.606.0415 Fax<br></span><span style='font-size:10.0pt;color:#4F6228'><a href="http://www.primerachicago.com" title="blocked::http://www.primerachicago.com/"><span style='font-family:"Arial","sans-serif";color:#4F6228'>http://www.primerachicago.com</span></a></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div class=MsoNormal align=center style='text-align:center'><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><hr size=2 width="100%" align=center></span></div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>This e-mail message has been scanned for Viruses and Content and cleared by <strong><span style='color:#400080'>MailMarshal </span></strong><o:p></o:p></span></p><div class=MsoNormal align=center style='text-align:center'><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><hr size=2 width="100%" align=center></span></div></div></body></html>