[Equest-users] High space heating values
Xavier García Casals
xavier.garcia at aiguasol.coop
Wed Sep 17 01:43:50 PDT 2008
Did you have a look at infiltration values, schedules and calculation
method (effects of outside T and V)?. Since Std.90.1 does not fix this
values both programes could be using different defaults with a
significant impact on heating demand.
En/na Eric O'Neill ha escrit:
>
> Good evening all,
>
>
>
> So we're beginning the transition from VDOE (DOEv2.1e) to eQuest
> (DOEv2.2), and we noticed that eQuest tended to result in higher space
> heating requirements. We have attempted to reconcile the difference,
> but even when we set two baseline buildings as closely as possible in
> their respective program - setting as many details the same as we
> could - we still couldn't get similar space heating results. Most of
> electric consumptions were close enough, however the space heating
> section results indicated about a 40% more heating in eQuest than in
> VDOE. The eQuest model is showing about 0.67 therms/square foot for
> something similar to an ASHRAE baseline (although it's not exactly)
> which seems high.
>
>
>
> In a similar fashion, I'm working on a NAPA autoparts store, which, as
> most know, are extremely simple. My output there is about 0.76
> therms/square foot. I built it to the dimensions that they gave me,
> however I set all the components to the ASHRAE 90.1 standard and left
> the remainder as defaults.
>
>
>
> Has anyone else experienced this?
>
> */Eric O'Neill/*
> Mechanical Engineer
> Energy Division - Michaels Engineering
>
> 811 Monitor St. Ste 100
> La Crosse, WI 54603
> v: 608-785-1900 x521
> f: 608-784-2270
> elo at michaelsengineering.com
> http://www.michaelsengineering.com
>
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>
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--
* *
*Xavier García Casals*
*Sistemas** Solares, Eficiencia Energética e Ingeniería Bioclimática** *
*AIGUASOL** INGENIERÍA*
* *
Sistemes Avançats d'Energia Solar Tèrmica SCCL
C/ Palermo, 17. Bajos dcha. 28043 Madrid
Tel: (+34) 91 142 27 88
C/ Roger de Llúria, 29 3r 2a 08009 Barcelona
Tel: (+34) 93 342 47 55 Fax: (+34) 93 342 47 56
Mobil: 660 22 94 45
xavier.garcia at aiguasol.coop <mailto:xavier.garcia at aiguasol.coop>
http://www.aiguasol.coop <http://www.aiguasol.coop/>
* *
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