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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'>Mark,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I’d use HIR=1/EF and then zero out the tank losses by entering Tank UA=0.<sup><o:p></o:p></sup></span></p><p class=MsoNormal><span style='color:#1F497D'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Bill<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Franklin Gothic Medium Cond","sans-serif";color:black'>William Bishop, PE, BEMP, LEED<sup>®</sup> AP </span></b><b><span style='font-size:10.0pt;font-family:"Franklin Gothic Medium Cond","sans-serif";color:#006600'>|</span></b><b><span style='font-size:10.0pt;font-family:"Franklin Gothic Medium Cond","sans-serif";color:black'> </span></b><b><span style='font-size:10.0pt;font-family:"Franklin Gothic Medium Cond","sans-serif";color:black'>Pathfinder Engineers & Architects LLP</span></b><b><span style='font-size:10.0pt;font-family:"Franklin Gothic Medium Cond","sans-serif";color:black'><o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'>Mechanical Engineer<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:5.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><!--[if gte vml 1]><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f">
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</v:shapetype><v:shape id="Picture_x0020_7" o:spid="_x0000_s1026" type="#_x0000_t75" alt="Top 100 Rochester 2010" style='position:absolute;margin-left:275.35pt;margin-top:12.75pt;width:45.2pt;height:43.55pt;z-index:-1;visibility:visible;mso-wrap-style:square;mso-wrap-distance-left:9pt;mso-wrap-distance-top:0;mso-wrap-distance-right:9pt;mso-wrap-distance-bottom:0;mso-position-horizontal:absolute;mso-position-horizontal-relative:text;mso-position-vertical:absolute;mso-position-vertical-relative:text'>
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</v:shape><![endif]--><![if !vml]><span style='mso-ignore:vglayout;position:absolute;z-index:-1;margin-left:367px;margin-top:17px;width:60px;height:58px'><img width=60 height=58 src="cid:image002.jpg@01CBFF98.F10C7B30" alt="Top 100 Rochester 2010" v:shapes="Picture_x0020_7"></span><![endif]><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>134 South Fitzhugh Street</span><span style='font-size:9.0pt;font-family:"Times New Roman","serif";color:#1F497D'> </span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Rochester, NY 14608</span><span style='font-size:9.0pt;font-family:"Times New Roman","serif";color:#1F497D'><br></span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>T: (585) 325-6004 </span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'>Ext. 114</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D'> </span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'>F: (585) 325-6005</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'><a href="mailto:wbishop@pathfinder-ea.com">wbishop@pathfinder-ea.com</a> </span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'><a href="http://www.pathfinder-ea.com/">www.pathfinder-ea.com</a><o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:18.0pt;font-family:Webdings;color:green'>P</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:green'> </span><span style='font-size:7.5pt;font-family:"Times New Roman","serif";color:green'>Sustainability – the forest AND the trees.</span><span style='font-size:18.0pt;font-family:Webdings;color:green'> P </span><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>Mark Darrall<br><b>Sent:</b> Wednesday, April 20, 2011 7:55 PM<br><b>To:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> [Equest-users] Electric water heaters EF / EIR<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55","serif"'>I have a 6kw 40 gal electric DHW. The EF per 90.1 Table 7.8 is 0.87 (is that right?). What should I input for the EIR? The inverse of the EF? I’m better at moving air than electrons…<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55","serif"'>Thanks!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light","serif";color:#333333'>MARK DARRALL, AIA, LEED AP BD+C, NCARB<br>Senior Project Manager<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light","serif";color:#333333'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light","serif";color:#333333'><img border=0 width=136 height=55 id="Picture_x0020_1" src="cid:image003.jpg@01CBFF98.F10C7B30" alt=a2so4-email></span><span style='font-size:10.0pt;font-family:"Univers LT 45 Light","serif";color:#333333'><o:p></o:p></span></p><p class=MsoNormal style='text-indent:.5in'><span style='font-size:10.0pt;font-family:"Univers LT 45 Light","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light","serif"'>DESIGN ENRICHING LIFE // LIFE ENRICHING DESIGN<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light","serif";color:#333333'>A2SO4 Architecture, LLC<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light","serif";color:#333333'>Union Station</span><span style='font-size:8.0pt;font-family:"Univers LT 45 Light","serif"'><br><span style='color:#333333'>300 South Meridian Street / 250</span><br><span style='color:#333333'>Indianapolis</span>, <span style='color:#333333'>Indiana</span> <span style='color:#333333'>46225</span><br>TEL 317 388 8850<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light","serif"'>FAX 317 280 0692<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light","serif"'>MOB 765 749 0841<br><span style='color:#333333'><a href="www.a2so4.com">www.a2so4.com</a></span><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:8.0pt;color:green'>Please consider the environment before printing this e-mail</span></b><span style='color:green'>.</span><span style='color:navy'> </span><span style='color:#333333'> </span><span style='font-family:"Univers LT 45 Light","serif"'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:8.0pt;color:#333333'>CONFIDENTIALITY NOTICE: This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to which they are addressed. 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