[Equest-users] equest and energy plus outputs

[deepika khowal]

Thanks Joe
Even I realized the same thing. the total energy use in Energy plus was
almost 50% less than equest.
If this is the case, who would you know that you model is working fine?

On Wed, Apr 27, 2011 at 6:06 PM, Joe Huang <yjhuang at whiteboxtechnologies.com
> wrote:

> I was involved in a two year project 2005-2007 to convert the Calif. Energy
> Commission's Title-24 certification suite of building tests from DOE-2.1E to
> EnergyPlus.  There are some areas where it's difficult to get comparable
> inputs due to differences or limitations in the models. The differences
> between the two programs varied a lot depending on the building, weather,
> and HVAC system. For the CEC certification suite of 160 runs, cooling
> results were more consistent, within 10% in most cases, with EnergyPlus
> almost always on the high side; for heating, the differences were much
> greater, sometimes with EnergyPlus being 40-60% lower than DOE-2.1E.  I have
> a 120-page report on this comparison, but haven't bothered to put it on the
> Web.
>
> Joe
>
> Joe Huang
> White Box Technologies, Inc.
> 346 Rheem Blvd., Suite 108D
> Moraga CA 94556
> yjhuang at whiteboxtechnologies.com
> www.whiteboxtechnologies.com
> (o) (925)388-0265
> (c) (510)928-2683
> "building energy simulations at your fingertips"
>
>
>
> deepika khowal wrote:
>
>> HI All
>> I am trying to create same model in equest and energy plus to see whether
>> i see same results and just to validate my simulation files.
>> has anyone done this before?
>> I would like to know what is the % difference in both software outputs?
>> Thanks
>> Deepika
>> ------------------------------------------------------------------------
>>
>>
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