<DIV>Brian,</DIV>
<DIV>Search for “gfx” at <A href="http://www.eere.energy.gov/">http://www.eere.energy.gov/</A><BR>However, I do not know if documents referenced at this site include measured waste water temperature.<BR>Perhaps the inventor of GFX can guide you to this data.<BR>Dr. Carmine Vasile, CEO Voice: 516-758-6271 >WaterFilm Energy Inc. Fax: 516-758-0438 >P.O. Box 48 Email: gfx-ch at msn.com >Oakdale, NY 11769</DIV>
<DIV>Waste water heat exchange topics have appeared at the <A href="http://www.repp.org">http://www.repp.org</A> greenbuilding listserve.<BR>Please let me know what you find.</DIV>
<DIV> </DIV>
<DIV>John Porterfield<BR><A href="mailto:John@energydetectives.com">John@energydetectives.com</A><BR><BR><BR><B><I>Brian Thornton <thorntonenergy@comcast.net></I></B> wrote:</DIV>
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<P class=MsoNormal><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I am looking for information on the temperatures of the waste water leaving multi-family buildings.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">We have looked at drain heat recovery at individual showers and units, and found the space requirements (and placement of heat recovery equipment in some other tenant/owner spaces) to be too big an obstacle.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I am wondering if there is enough heat to consider central heat recovery off of the combined drain lines to pre-heat domestic hot water make-up.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Any one have history in trying such a heat recovery approach?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Brian<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoAutoSig><?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:City w:st="on"><st1:place w:st="on"><FONT face=Arial size=2><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Arial">Thornton</SPAN></FONT></st1:place></st1:City><FONT face=Arial size=2><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Arial"> Energy Consulting<o:p></o:p></SPAN></FONT></P>
<P class=MsoAutoSig><FONT face=Arial size=2><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Arial">p. 503-231-6600 f. 503-231-3555<o:p></o:p></SPAN></FONT></P>
<P class=MsoAutoSig><st1:PersonName w:st="on"><FONT face=Arial size=2><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Arial">thorntonenergy@comcast.net</SPAN></FONT></st1:PersonName><FONT face=Arial size=2><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Arial"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P></DIV><PRE>
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