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<DIV>Fareed,</DIV>
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<DIV>I don't have any "good research data", but from my simulation experience the overall wall U-value is very important to the energy use related to the building envelope. The shading does not improve the U-value. If you are comparing to ASHRAE 90.1, then the maximum glazing percentage is 40%. Any glazing beyond this point in the proposed building would be compared to solid wall in the baseline. </DIV>
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<DIV>If this is the case, then the comparison of glazing to solid wall for the percentage over 40% glazing will definitely hurt your energy savings. The SHGC of solid wall is 0, and the U-value is 10 times better than insulated windows.</DIV>
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<DIV>Scott</DIV>
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<P class=MsoNormal><FONT face=Calibri><B><SPAN style="COLOR: #632423; FONT-SIZE: 10pt">SCOTT PARKER </SPAN></B><SPAN style="COLOR: #595959; FONT-SIZE: 10pt">PE, LEE</SPAN><SPAN style="COLOR: #1f497d; FONT-SIZE: 10pt">D </SPAN><SPAN style="COLOR: #595959; FONT-SIZE: 10pt">AP </SPAN></FONT><SPAN style="COLOR: #595959; FONT-SIZE: 10pt"><FONT face=Calibri>MECHANICAL SYSTEMS</FONT></SPAN></P></TD>
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<P class=MsoNormal><SPAN style="COLOR: #632423; FONT-SIZE: 9pt"><FONT size=2 face=Calibri><SPAN style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #632423; FONT-SIZE: 9pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">P: 919.419.9802 | </SPAN></FONT></SPAN><FONT face=Calibri><FONT size=2><SPAN style="COLOR: gray; FONT-SIZE: 9pt"><BR></SPAN><SPAN style="COLOR: #632423; FONT-SIZE: 9pt">sparker<A href="mailto:sparker@aeieng.com"><SPAN style="COLOR: #632423; TEXT-DECORATION: none">@aeieng.com</SPAN></A> | </SPAN><B><SPAN style="COLOR: gray; FONT-SIZE: 9pt"><A href="http://www.aeieng.com/">www.aeieng.com</A></SPAN></B><SPAN style="COLOR: gray; FONT-SIZE: 9pt"> <o:p></o:p></SPAN></FONT></FONT></P></TD></TR></TBODY></TABLE></DIV><BR><BR>>>> On 2/5/2010 at 3:52 PM, in message <ED7080B522E32144AAB0B0B3FFFFBB14BF65BF@exchange2.progressiveae.com>, "Fareed Syed" <syedf@progressiveae.com> wrote:<BR></DIV>
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<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt">Folks,<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt">Does anyone have good research data using simulations on the impact of overhangs and shadings for a typical building?<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt">I am having hard time convincing architects to reduce the glazing. They will make it a glass building if they are given a chance.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt">I want to show them that for a 2 or 3 storied building with ton of glazing and few feet of overhang will not help the cooling/heating loads at all.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt">I would appreciate your input.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt">Thanks much.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt">Fareed Syed EIT, LEED</SPAN><SUP><SPAN style="FONT-FAMILY: 'Comic Sans MS'; FONT-SIZE: 10pt">®</SPAN></SUP><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt"> AP<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 9pt">Mechanical Engineer</SPAN><B><SPAN style="FONT-FAMILY: 'Century Gothic','sans-serif'; FONT-SIZE: 12pt"> </SPAN></B><SPAN style="FONT-FAMILY: 'Comic Sans MS'; FONT-SIZE: 10pt"><BR></SPAN><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt"><IMG id=Picture_x0020_1 alt=cid:image001.png@01C9B834.C9D7E7F0 src="cid:ZJVYITMHQBER.IMAGE.png" width=200 height=40></SPAN><SPAN style="FONT-FAMILY: 'Comic Sans MS'; FONT-SIZE: 10pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 9pt">1811 4 Mile Rd NE<BR>Grand Rapids, MI 49525<o:p></o:p></SPAN></P>
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<P style="MARGIN-BOTTOM: 12pt" class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 9pt">Phone: 616.361.2664 ext. 3247<BR>Direct: 616.447.3447<BR>Fax: 616.361.1493</SPAN><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt"><o:p></o:p></SPAN></P>
<P style="MARGIN-BOTTOM: 12pt" class=MsoNormal><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 9pt"><A href="mailto:syedf@progressiveae.com"><SPAN style="COLOR: blue">syedf@progressiveae.com</SPAN></A><BR><A href="http://www.progressiveae.com/"><SPAN style="COLOR: blue">www.progressiveae.com</SPAN></A><BR><BR><BR> </SPAN><SPAN style="FONT-FAMILY: 'Segoe UI','sans-serif'; FONT-SIZE: 10pt"><o:p></o:p></SPAN></P>
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