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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText>Polysun is the only tool I'm aware of that can model WWHPs tied to a GHEX. There's some discussion on this topic in the eQUEST users <a href="http://lists.onebuilding.org/htdig.cgi/equest-users-onebuilding.org/2010-March/003436.html">archives</a>.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Anthony Hardman, PE<o:p></o:p></p><p class=MsoPlainText>The Green Engineer, LLP<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>-----Original Message-----<br>From: equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org] On Behalf Of Eurek, John S NWO<br>Sent: Tuesday, February 22, 2011 9:32 AM<br>To: equest-users@lists.onebuilding.org<br>Subject: [Equest-users] Geo Thermal (UNCLASSIFIED)</p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Classification: UNCLASSIFIED<o:p></o:p></p><p class=MsoPlainText>Caveats: NONE<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>The EER of WWHP can vary from 11.8 to 23.3 depending on the water temperature returning from the well field. Equest model this?<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>My group is currently using Trace and I'm looking for a good reason to use equest, this may be a big reason.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>(Also, I've designed a cascading system, so if the return ground water is cold, it goes to the WWHP making chilled water, then that water goes to the WWHP making hot water, and vice-versa if the if the return ground water is warm, can this also be modeled?) <o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Classification: UNCLASSIFIED<o:p></o:p></p><p class=MsoPlainText>Caveats: NONE<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>_______________________________________________<o:p></o:p></p><p class=MsoPlainText>Equest-users mailing list<o:p></o:p></p><p class=MsoPlainText><a href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org"><span style='color:windowtext;text-decoration:none'>http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</span></a><o:p></o:p></p><p class=MsoPlainText>To unsubscribe from this mailing list send a blank message to <a href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG"><span style='color:windowtext;text-decoration:none'>EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</span></a><o:p></o:p></p></div></body></html>