[Equest-users] [Bldg-sim] ASHRAE code multiplier?

[CleanTech Analytics]

Leonard,
Thank you you have answered my question.  I will just start with the 2010
version I have and buy the other standards if needed. The multiplier would
have been nice, but I understand the issue with it..
 You might be able to help me with this one value> Would you know
what envelope changes where most common from 90.1 2007 to 2010?

Thanks




*Jeremiah D. Crossett*
*CleanTech Analytics*
*503-688-8951*
*www.cleantechanalytics.com* <http://www.cleantechanalytics.com>


*

This document may contain valuable information proprietary to CleanTech
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On Fri, Jun 22, 2012 at 4:23 PM, Leonard Sciarra <
leonard_sciarra at gensler.com> wrote:

>  Jeremiah,
> Unfortunately, the envelope provisions, by construction class, did not
> increase in stringency linearly.  By year in some cases a particular
> assembly increased relative to another, in some cases it did not change at
> all.  So, unfortunatly,
> There is no easy ( accurate ) answer.   As for generalizations, most of
> the analysis, has been on the standard as a whole, and therefore includes
> all the chapters.
>
> It seems, if you are creating a backwards tool, there are not too many
> assemblies, and only 3 editions to enter in the data.
>
> As for purchasing the standard, its not a bad reference.
>
>
> Sent from my HTC on the Now Network fdsrom Sprint!
>
> ----- Reply message -----
> From: "CleanTech Analytics" <jeremiah at cleantechanalytics.com>
> Date: Fri, Jun 22, 2012 1:35 am
> Subject: [Bldg-sim] ASHRAE code multiplier?
> To: "bldg-sim at lists.onebuilding.org" <bldg-sim at lists.onebuilding.org>, "
> EnergyPlus_Support at yahoogroups.com" <EnergyPlus_Support at yahoogroups.com>,
> "equest-users at lists.onebuilding.org" <equest-users at lists.onebuilding.org>
>
>  Dear list,
> I am working on creating envelope libraries for ASHRAE 90.1 2010, 2007 &
> 2001 code vintages.
> I have a copy of ASHRAE 2010 standard and users guide, and am wondering if
> there might be a general multiplier that could be used to back the
> insulation levels as well as U values down to the 2007 and 2001 levels.
> When I purchased the ASHRAE 2010 standard and users guide the ASHRAE rep I
> spoke with mentioned that I might be able to use a multiplyer for this.
> From what I recall insulation levels where raised by 16% for ASHRAE 2010
> from ASHRAE 2007, but do not know if this 16% is actually the number or not
> and do not have any assumed numbers for other vintages or values.  My use
> of this is for PCM modeling, sort of conceptual massing preliminary
> modeling & climate studies so strict code compliance is not necessarily
> required but would be preferred. I would prefer not to buy all of the
> individual standards if possible so wonder if such a multiplier might be
> reasonable. I would like to also do space type lighting codes & DHW (for
> internal gains) as well.. If anyone has insight it would be appreciated,
> and I also could share my finished work (in excel, energy plus and design
> builder formats) with anyone who wanted it..
>
>  Best regards-
>
>
>
>
>
>  *Jeremiah D. Crossett*
> *CleanTech Analytics*
> *503-688-8951*
>  *www.cleantechanalytics.com* <http://www.cleantechanalytics.com>
>
>
>   *
>
> This document may contain valuable information proprietary to CleanTech
> Analytics which is private and confidential. It may not be shared, copied,
> stored or transmitted in any form without the prior written consent of
> CleanTech Analytics
> *
>
>
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