[Equest-users] ASHRAE Baseline Wall/Window/Roof Constructions

[Supriya Goel]

> Hi Paul
>
> I can't answer all your questions but to answer a few-
>
> 2. Maybe you can't improve the U value, but can define a completely new
> construction through the parametric runs. For that, in the Detail Edit Mode,
> Tools-Parametric Runs window, you can create a new run with the component
> type -Construction.
> 3. Yes you can determine the U value of all constructions. Again in the
> Detail Edit Mode, open the properties box of the specific construction, it
> has a tab which mentions the Calculated U Value.
>
> Hope this helps :)
>
> Regards
> Supriya
>
> On Wed, Feb 3, 2010 at 1:41 PM, Skelton, Paul <pskelton at ids-troy.com>wrote:
>
>>  Fellow eQuest users,
>>
>>
>>
>> I am brand new to equest and I am attempting to model a baseline ASHRAE
>> building per the 2004 90.1 standard and am curious if there is any specific
>> wall, roof or window constructions that other users are entering as their
>> baseline constructions.  I have noticed several things:
>>
>>
>>
>> 1.  Simply entering a resistance (such as an R-value of 11.9) I get a
>> “WALL has no heat capacity. U-VALUE used” error (see attached)
>>
>> 2.  Defining a layer-by-layer construction does not allow any improvement
>> through EEMs.  In other words the options to increase the amount of
>> insulation are grayed out.
>>
>> 3.  It is impossible to determine the actual total U-value of one of the
>> “cookie-cutter” constructions provided by eQuest.
>>
>>
>>
>> As a side note, I’d be curious to know what computer specs others have to
>> run eQuest, as I have developed a model with over 3,000 components and it
>> takes about 6 minutes just to open the file on a computer with the following
>> specifications:
>>
>>
>>
>> ·         Intel Pentium D 2.99 GHz
>>
>> ·         1 GB RAM
>>
>> ·         ATI Radeon X600 – Video card
>>
>> ·         29 GB HDD
>>
>>
>>
>> The specs on this computer are terrible in my eyes, and it really shows
>> when I try to run eQuest but I’d like to see what other PCs run this program
>> effectively.
>>
>>
>>
>> Thanks,
>>
>>
>>
>> *Paul Skelton*
>>
>> *Integrated **Design Solutions
>> *Architecture, Engineering, Interiors & Technology
>> 888 West Big Beaver, Suite 200
>> Troy, Michigan 48084
>> tel:   248.823.2171
>> fax: 248.823.2200
>> www.ids-troy.com
>>
>>  *Celebrating **10 Years**.  Expect the Exceptional. *
>>
>>
>>
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>>
>
>
> --
> Graduate Student, MSBE
> School of Architecture and Landscape Architecture
> Arizona State University, Tempe
>
>
>
>


-- 
Graduate Student, MSBE
School of Architecture and Landscape Architecture
Arizona State University, Tempe
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