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<DIV><SPAN class=729253612-09052011><FONT face=Calibri>We are working on a
school project where the clients wish to change their pneumatic controls to DDC.
It is a 20 year-old building.</FONT></SPAN></DIV>
<DIV><SPAN class=729253612-09052011><FONT face=Calibri>Can anybody comment
on </FONT></SPAN><SPAN class=729253612-09052011><FONT face=Calibri>what the
range of savings is? The existing system is a 2-pipe for most spaces, currently
being modified to a new 4-pipe.</FONT></SPAN></DIV>
<DIV><SPAN class=729253612-09052011><FONT face=Calibri>Is it even possible to
quantify the savings, if any, using eQUEST? </FONT></SPAN></DIV>
<DIV><SPAN class=729253612-09052011></SPAN><SPAN class=729253612-09052011><FONT
face=Calibri>Thanks,</FONT></SPAN></DIV>
<DIV><SPAN class=729253612-09052011><FONT
face=Calibri>Umesh</FONT></SPAN></DIV></BODY></HTML>