<div dir="ltr"><div dir="ltr">Option B is indeed the correct answer. The detailed energy modeling guidelines for the MA Stretch Energy Code are about to be published. Till they are out, I recommend checking out the v<a href="https://www.mass.gov/doc/updated-guidelines-for-tedi-and-ashrae-app-g-modeling/download">ersion that was posted for the public comments</a>. Note that the modeling rules are quite different from Vancouver & Toronto versions.</div><div dir="ltr"><br></div><div>Thanks,</div><div dir="ltr"><br></div><div>Maria</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jul 27, 2023 at 7:07 PM Niknam via Bldg-sim <<a href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Hi,<div><br></div><div>TEDI should be calculated based on the heating/cooling load of the building. You can find that info on SS-D report.<br><br><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On Jul 27, 2023, at 6:59 PM, smartin--- via Bldg-sim <<a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a>> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div><p class="MsoNormal">Hi Madhav,<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">TEDI is a metric for the building envelope and ventilation load performance.  You can sum heating (ONLY) coil loads to determine the output.  This is a clip from the guideline we use in Canada (BC) that explains it.  M.F.Area is building area excluding unconditioned indoor parking area, but including all other partially and unconditioned areas. So yes, the answer is option B, excluding the cooling.  It is not the peak (A) and does not include heating system efficiency (C).<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><span></span></p><div><image003.png></div><u></u><u></u><p></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Shaun<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><span>Shaun Martin, BEMP, LEED-BD&C<u></u><u></u></span></p><p class="MsoNormal"><span>Principal<u></u><u></u></span></p><p class="MsoNormal"><span>Shaun Martin Consulting<u></u><u></u></span></p><p class="MsoNormal"><span><a href="mailto:smartin@shaunmartinconsulting.com" target="_blank"><span style="color:rgb(5,99,193)">smartin@shaunmartinconsulting.com</span></a><u></u><u></u></span></p><p class="MsoNormal"><span>+1-604-789-1095<u></u><u></u></span></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><u></u> <u></u></p><div><div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0in 0in"><p class="MsoNormal"><b><span>From:</span></b><span> Bldg-sim <<a href="mailto:bldg-sim-bounces@lists.onebuilding.org" target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>> <b>On Behalf Of </b>Madhav Munshi via Bldg-sim<br><b>Sent:</b> Thursday, July 27, 2023 2:14 PM<br><b>To:</b> <a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a><br><b>Subject:</b> [Bldg-sim] Mass Stretch Code: TEDI calcs<u></u><u></u></span></p></div></div><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">Hi group,  <u></u><u></u></span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">Hope everyone is doing well. We are working on a school building in MA and need to perform “TEDI” models. I’ve read through the documentation and am a little confused if it’s a load metric or an energy metric. The limits are expressed in kBtu/sf/year in the code language, but some of the supporting documentation about how to extract this from equest/IES/ energy plus makes me feel like it’s a load metric. It has to be one the three and it seems like its option B<u></u><u></u></span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif"><u></u> <u></u></span></p><ol style="margin-top:0in" start="1" type="A"><li style="margin-left:0in"><span style="font-family:Arial,sans-serif">Peak Heating and Cooling load per SF<u></u><u></u></span></li><li style="margin-left:0in"><span style="font-family:Arial,sans-serif">Sum of annual heating and cooling loads (annual) per SF – without efficiency accounting <u></u><u></u></span></li><li style="margin-left:0in"><span style="font-family:Arial,sans-serif">Sum of annual heating and cooling energy per SF – with efficiency accounting<u></u><u></u></span></li></ol><p class="MsoNormal"><span style="font-family:Arial,sans-serif"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif"><a href="https://www.mass.gov/doc/updated-guidelines-for-tedi-and-ashrae-app-g-modeling/download" target="_blank">https://www.mass.gov/doc/updated-guidelines-for-tedi-and-ashrae-app-g-modeling/download</a><u></u><u></u></span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif">Appreciate your responses! <u></u><u></u></span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif"><u></u> <u></u></span></p><p class="MsoNormal" style="margin-left:1.5in"><span style="font-family:Arial,sans-serif">Thank you <u></u><u></u></span></p><p class="MsoNormal" style="margin-left:1.5in"><span style="font-family:Arial,sans-serif"><u></u> <u></u></span></p><p class="MsoNormal" style="margin-left:1.5in"><span style="font-family:Arial,sans-serif">Madhav<u></u><u></u></span></p><p class="MsoNormal" style="margin-left:1.5in"><span style="font-family:Arial,sans-serif"><u></u> <u></u></span></p><p class="MsoNormal"><a href="https://kohlerronan.com/" target="_blank"><span style="font-size:10pt;font-family:Arial,sans-serif;color:rgb(47,47,47);text-decoration:none"></span></a></p><div><a href="https://kohlerronan.com/" target="_blank"><image004.png></a></div><b><span style="font-family:Arial,sans-serif;color:rgb(102,134,158)"><u></u><u></u></span></b><p></p><p class="MsoNormal" style="margin-left:1.5in"><b><span style="font-size:10pt;font-family:Arial,sans-serif;color:rgb(102,134,158)">MADHAV MUNSHI</span></b><span style="font-size:10pt;font-family:Arial,sans-serif;color:black"> BEMP</span><span><u></u><u></u></span></p><p class="MsoNormal" style="margin-left:1.5in"><span style="font-size:8pt;font-family:Arial,sans-serif;color:black">Senior Associate<u></u><u></u></span></p><p class="MsoNormal" style="margin-left:1.5in"><u><span style="font-size:8pt;font-family:Arial,sans-serif;color:black"><a href="mailto:mmunshi@kohlerronan.com" target="_blank"><span style="color:blue">mmunshi@kohlerronan.com</span></a> </span></u><span><u></u><u></u></span></p><p class="MsoNormal"><span><u></u> <u></u></span></p><p class="MsoNormal" style="margin-left:1.5in"><b><span style="font-size:10pt;font-family:Arial,sans-serif;color:rgb(102,134,158)">KOHLER RONAN</span></b><b><span style="font-size:10pt;font-family:Arial,sans-serif;color:black"> </span></b><span style="font-size:10pt;font-family:Arial,sans-serif;color:black">| Consulting Engineers</span><span><u></u><u></u></span></p><p class="MsoNormal" style="margin-left:1.5in"><span style="font-size:8pt;font-family:Arial,sans-serif;color:black">171 Madison Avenue, New York, NY 10016</span><span><u></u><u></u></span></p><p class="MsoNormal" style="margin-left:1.5in"><span style="font-size:8pt;font-family:Arial,sans-serif;color:black">212.695.2422 <u></u><u></u></span></p><p class="MsoNormal" style="margin-left:1.5in"><span style="font-size:8pt;font-family:Arial,sans-serif;color:black"><u></u> <u></u></span></p><p class="MsoNormal" style="margin-left:1.5in"><a href="http://kohlerronan.com/" target="_blank"><span style="color:rgb(31,73,125);text-decoration:none"></span></a></p><div><a href="http://kohlerronan.com/" target="_blank"><image011.jpg></a></div><a href="https://www.facebook.com/Kohler-Ronan-LLC-Consulting-Engineers-146070618769600/" target="_blank"><span style="color:blue;text-decoration:none"><div><image012.png></div></span></a><span style="color:black"> </span><a href="https://twitter.com/KohlerRonan" target="_blank"><span style="color:blue;text-decoration:none"><div><image013.png></div></span></a><span style="color:black"> </span><a href="https://www.linkedin.com/company/1672806?trk=hp-feed-company-name" target="_blank"><span style="color:black;text-decoration:none"><div><image014.png></div></span></a><span style="color:black"> </span><a href="https://www.instagram.com/kohler_ronan/" target="_blank"><span style="color:black;text-decoration:none"><div><image015.png></div></span></a><span style="color:black"><u></u><u></u></span><p></p><p class="MsoNormal"><u></u> <u></u></p></div><span>_______________________________________________</span><br><span>Bldg-sim mailing list</span><br><span><a href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org" target="_blank">http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org</a></span><br><span>To unsubscribe from this mailing list send  a blank message to <a href="mailto:BLDG-SIM-UNSUBSCRIBE@ONEBUILDING.ORG" target="_blank">BLDG-SIM-UNSUBSCRIBE@ONEBUILDING.ORG</a></span><br></div></blockquote></div></div>_______________________________________________<br>
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</blockquote></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><p><span style="color:rgb(31,73,125);font-family:Calibri,"sans-serif";font-size:11pt"><u></u><u><br></u></span></p><p><b><span style="color:rgb(102,102,102);font-family:Verdana,"sans-serif";font-size:11pt">Maria Karpman </span></b><span style="color:rgb(102,102,102);font-family:Verdana,"sans-serif";font-size:11pt">LEED AP, BEMP, CEM</span><span style="color:rgb(31,73,125);font-family:Calibri,"sans-serif";font-size:11pt"><u></u><u></u></span></p><p><span style="color:rgb(102,102,102);font-family:Verdana,"sans-serif";font-size:11pt">________________</span><span style="color:rgb(31,73,125);font-family:Calibri,"sans-serif";font-size:11pt"><u></u><u></u></span></p><p><span style="color:rgb(102,102,102);font-family:Verdana,"sans-serif";font-size:11pt">Karpman Consulting<u></u><u></u></span></p><p><span style="color:rgb(102,102,102);font-family:Verdana,"sans-serif";font-size:10pt"><a href="http://www.karpmanconsulting.net/" target="_blank"><font color="#1155cc">www.karpmanconsulting.net</font></a> </span><span style="color:rgb(31,73,125);font-family:Calibri,"sans-serif";font-size:10pt"><u></u><u></u></span></p><p><span style="color:rgb(102,102,102);font-family:Verdana,"sans-serif";font-size:7.5pt">Phone </span><span style="background:white;color:rgb(102,102,102);font-family:Helvetica,"sans-serif";font-size:7.5pt"><a href="tel:860.430.1909" value="+18604301909" target="_blank"><font color="#1155cc">860.430.1909</font></a> </span></p></div></div></div></div>