[Equest-users] URGENT: Window U-values: Total window assembly v/s Glass only
Omar Katanani
omar at ecoconsulting.net
Wed Jul 27 08:14:00 PDT 2011
Dear all,
I have a small question regarding entering window properties to eQUEST:
I have read a lot of emails in the forum discussing NFRC testing, LBNL
Window 5 import, and other topics that I haven't paid attention to
before.
The way I modelled my windows is the following:
1. I have manufacturer's specifications listing the glass U-values,
not the total assembly.
2. In the "Glass Types" (eQUEST Detailed Mode), I created glass
types, and entered the glass conductance, visible transmittance, SC, and
emissivity from the manufacturer's details I have.
3. When creating windows, I specify which glass type (from the ones
I created in step 2), in addition to the frame width and conductance.
I'm assuming that, given that I entered the u-values for the glass only,
and then I entered information about the frame, then I need not worry
about any conversions in U-values, since eQUEST has all the necessary
information to calculate the equivalent u-value of the whole pane +
frame assembly, right?
I appreciate your feedback / comments today if possible, as this has
become really urgent!
Many thanks,
Omar
___________________________
Omar Katanani
Sustainable Design Engineer
Email: omar at ecoconsulting.net
EcoConsulting (Lebanon)
Nahas Building, 4th floor
4 St-Maron Street / Georges Haddad Avenue
Postal Code: 2028 5806 SAIFI
Beirut, Lebanon
Tel: +961 (0) 1 971 266
Mobile: +961 (0) 3 045 045
EcoConsulting (UK) Ltd
28 Marshalsea Road
London, SE1 1HF
Tel: +44 (0) 207 939 0989
Fax: +44 (0) 207 939 0981
Website: www.ecoconsulting.net <http://www.ecoconsulting.net/>
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