[Equest-users] Exterior Air Film - glazing

[Jones, Christopher]

Nick,
Would you not agree that one should define the glazing Conductance in the eQuest input, not the glazing U-value?  That way the .sim file reported glazing U-value is closer to what is expected?

Christopher Jones, P.Eng.
Tel: 416.644.4226 • Toll Free: 1.888.425.7255 x 527

From: Nicholas Caton [mailto:ncaton at catonenergy.com]
Sent: Monday, December 22, 2014 4:46 PM
To: Jones, Christopher; Omar ElRawy; equest
Subject: RE: [Equest-users] Exterior Air Film

The LV-D reports (and others touching on windows/constructions) do indeed include an exterior air film.  I don’t know of a way to change that.

A quick screengrab of your (correct) inputs and a one-line explanation of that fact is probably your most expedient path forward for a LEED review response.

~Nick

NICK CATON, P.E.
Owner

Caton Energy Consulting
  1150 N. 192nd St., #4-202
  Shoreline, WA 98133
  office:  785.410.3317
www.catonenergy.com

From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org<mailto:equest-users-bounces at lists.onebuilding.org>] On Behalf Of Jones, Christopher
Sent: Monday, December 22, 2014 8:23 AM
To: Omar ElRawy; equest
Subject: Re: [Equest-users] Exterior Air Film

For glazing, you have to enter the GLASS-CONDUCTANCE into eQuest, not the glazing U-value.  See page 65 in the DOE22Vol2-Dictionary reference manual available for download at doe2.com<http://doe2.com>.


Christopher Jones, P.Eng.
Tel: 416.644.4226 • Toll Free: 1.888.425.7255 x 527

From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Omar ElRawy
Sent: Monday, December 22, 2014 7:28 AM
To: equest
Subject: [Equest-users] Exterior Air Film

Dear all,
            I have a problem reporting baseline case for LEED submission, where the exterior walls and windows U-values in Report LV-D appears less than the ASHRAE G 90.1 values that I did enter to the model, and this is (as I think) because eQuest adds the exterior air-film effect to the assembly during the run.

My question is that; can I disable this eQuest calculation to see my input directly in LV-D report or not?

Thanks,
Omar ElRawy, LEED AP BD+C
LEED Project Manager
EA Sustainable Building Consultants
http://www.ea-buildingconsultants.com/

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