<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial, helvetica, sans-serif;font-size:10pt"><DIV style="FONT-SIZE: 10pt; FONT-FAMILY: arial, helvetica, sans-serif">There is degree day data out there for a 55F basis.  But, I haven't used this type of data in a long time though (10 or 15 years?).  At that time at least, 55F was considered to be a more up to date balance point temperature.<BR></DIV>
<DIV style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman, new york, times, serif">----- Original Message ----<BR>From: "Bishop, Bill" <bbishop@PathfinderEngineers.com><BR>To: Abaza Hussein <ahussein@spsu.edu>; equest-users@lists.onebuilding.org; bldg-sim@lists.onebuilding.org<BR>Sent: Wednesday, May 7, 2008 9:29:04 AM<BR>Subject: Re: [Bldg-sim] Balance point temperature for houses<BR><BR>Hussein,<BR><BR>I'll admit that I didn't even know what the balance point temperature<BR>was.  I did some quick internet research and found this resource:<BR><BR><A href="http://arch.ced.berkeley.edu/vitalsigns/res/downloads/rp/balance_point/b" target=_blank>http://arch.ced.berkeley.edu/vitalsigns/res/downloads/rp/balance_point/b</A><BR>alance_point_big.pdf<BR><BR>There is a lot of information about building heat gains and losses and<BR>how degree days are calculated.  It mentions on p.55 that the 65F number<BR>was determined in the 1940s, and that
 newer, better insulated homes have<BR>a lower balance point, but it doesn't suggest a number.<BR><BR>William Bishop, EIT, LEED(r) AP | Pathfinder Engineers LLP<BR>Mechanical Engineer<BR><BR>3300 Monroe Ave., Suite 306 <BR>Rochester, NY  14618<BR>TEL (585) 218-0730 Ext. 114<BR>FAX (585) 218-0737 <BR><A href="mailto:bbishop@pathfinderengineers.com" ymailto="mailto:bbishop@pathfinderengineers.com">bbishop@pathfinderengineers.com</A><BR><BR>www.pathfinderengineers.com<BR>-----Original Message-----<BR>From: <A href="mailto:bldg-sim-bounces@lists.onebuilding.org" ymailto="mailto:bldg-sim-bounces@lists.onebuilding.org">bldg-sim-bounces@lists.onebuilding.org</A><BR>[mailto:<A href="mailto:bldg-sim-bounces@lists.onebuilding.org" ymailto="mailto:bldg-sim-bounces@lists.onebuilding.org">bldg-sim-bounces@lists.onebuilding.org</A>] On Behalf Of Abaza<BR>Hussein<BR>Sent: Tuesday, May 06, 2008 3:53 PM<BR>To: <A href="mailto:equest-users@lists.onebuilding.org"
 ymailto="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</A>; <A href="mailto:bldg-sim@lists.onebuilding.org" ymailto="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</A><BR>Subject: [Bldg-sim] Balance point temperature for houses<BR><BR>Could you please help. Is there any recent data or survey about the<BR>balance<BR>point temperature of homes in the US. Is the 65F still applicable?<BR>I appreciate any input.<BR>Dr. H. Abaza<BR>ECU<BR><BR><BR>_______________________________________________<BR>Bldg-sim mailing list<BR><A href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org" target=_blank>http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org</A><BR>To unsubscribe from this mailing list send  a blank message to<BR><A href="mailto:BLDG-SIM-UNSUBSCRIBE@ONEBUILDING.ORG"
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