[Equest-users] R values

via Equest-users equest-users at lists.onebuilding.org
Fri Jun 10 15:28:51 PDT 2016


In detailed mode (or after hitting “complete” in the wizards), find your construction in the component tree under the “building shell” teab, and double click the construction for an overall U-value (inverse of R) and check out the layers tab for a comprehensive summary of the individual components’ thermal properties:

 

 

 

Regarding R-value units:  When in doubt, expect eQuest is using IP units, not SI.  In the USA we normally use R-values in the units ft2·°F·hr/Btu.  The conversion factor between IP and SI units for R-values is something between 5 and 6.  

 

Without knowing what material you’re referencing, I can almost guarantee something R-38 is in IP, since if it were in SI that would be something like R-200 to 240  in IP units (unlike any material I’m used to seeing in typical building constructions).

 

 

Nick Caton, P.E.

  Senior Energy Engineer
  Energy and Sustainability Services
  North America Operations
  Schneider Electric

D  913.564.6361 
M  785.410.3317 
E  nicholas.caton at schneider-electric.com <mailto:nicholas.caton at schneider-electric.com> 
F  913.564.6380

15200 Santa Fe Trail Drive
Suite 204
Lenexa, KS 66219
United States

 

 

 

From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Gül Nihal Gügül via Equest-users
Sent: Friday, June 10, 2016 8:17 AM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] R values

 

Hi all,

 

I need to know the R values of the constructions (doors, roof and Wall constructions) used in equest. How can I learn it?

 

Also, does a insulation material R-38 mean a insulation material with R=38 m2K/W?

 

Thank you

 

Kind Regards

 

Gul Nihal Gugul

 

 


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