<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Dear Samuel and Leen,<div><br></div><div>Actually, when I found out such big differences I ve modelled a very simple 3-zone model and the differences persist. </div><div><br></div><div>I will try out with a simple box without ventilation and internal gains and I will let you know the results.<div><br></div><div>Thank you all for your help.</div><div><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Century Gothic'; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Century Gothic'; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Century Gothic'; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Century Gothic'; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Century Gothic'; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Century Gothic'; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div><span class="Apple-style-span" style="font-weight: bold; ">Felipe Durán Palma</span></div><div>Arquitecto PUC, MPhil. U. Cambridge</div><div>Director de Proyectos y Asesorías</div></span><span></span><span></span><br class="Apple-interchange-newline"><span><img height="76" width="56" src="cid:B9AD3F91-76F4-4F37-8A2C-7A559281C059"></span><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Century Gothic'; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Century Gothic'; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Century Gothic'; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div><br class="Apple-interchange-newline">Obispo Donoso 5 oficina 62 - Providencia - Santiago</div><div><a href="mailto:felipe@b-green.cl">felipe@b-green.cl</a> - <a href="http://www.b-green.cl">www.b-green.cl</a> - 56 (2) 3431868</div><div><br></div><div><br></div></span><br class="Apple-interchange-newline"></span><br class="Apple-interchange-newline"></span> </span></span></span></span></span></div><br><div><div>El 8 Sep 2009, a las 13:19, Aizaz Samuel escribió:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Try reducing your model complexity by modelling just one zone with minimal <br>information possible. Simulate for just one day. If the two softwares compare <br>well keep building up the model in complexity.<br><br>-Aizaz<br><br><br>On Tuesday 08 September 2009 17:41, Felipe Durán wrote:<br><blockquote type="cite">Dear All,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">I am modeling in both ESP-r and IES-VE and office building and the results<br></blockquote><blockquote type="cite">for heating and cooling loads are very different.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">ESP-r = 269 kW (heating); 237 kW (cooling)<br></blockquote><blockquote type="cite">IES-VE = 835 kW (Heating); 360 kW (cooling)<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Does anyone had a similar experience with such differences?<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Kind Regards,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Felipe Durán Palma<br></blockquote><blockquote type="cite">Arquitecto PUC, MPhil. U. Cambridge<br></blockquote><blockquote type="cite">Director de Proyectos y Asesorías<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">[<a href="cid:B9AD3F91-76F4-4F37-8A2C-7A559281C059">cid:B9AD3F91-76F4-4F37-8A2C-7A559281C059</a>]<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Obispo Donoso 5 oficina 62 - Providencia - Santiago<br></blockquote><blockquote type="cite">felipe@b-green.cl<<a href="mailto:felipe@b-green.cl">mailto:felipe@b-green.cl</a>> -<br></blockquote><blockquote type="cite">www.b-green.cl<<a href="http://www.b-green.cl">http://www.b-green.cl</a>> - 56 (2) 3431868<br></blockquote><br>_______________________________________________<br>esp-r mailing list<br><a href="mailto:esp-r@lists.strath.ac.uk">esp-r@lists.strath.ac.uk</a><br>http://lists.strath.ac.uk/mailman/listinfo/esp-r</div></blockquote></div><br></div></div></body></html>