[Equest-users] [EXTERNAL] eQuest 7175 DOE2.3 Simulation Speed

[Christina LaPerle]

Thanks Cole but already doing that and still experiencing slow run times.

*Christina LaPerle* PE, BEMP, CEM, CBCP
Senior Energy Engineer
________________
Karpman Consulting
Phone 860.266.6220


On Thu, Dec 10, 2020 at 10:11 AM Jennings, Coles <
Coles.Jennings at masonandhanger.com> wrote:

> Christina,
>
>
>
> One quick fix we have found is to make sure to specify Design Days for
> both cooling and heating. On the “Project & Site” tab, right click the
> project name at the very top of the component tree and then select “Create
> Design Day” and enter the design temperature information. You’ll need to do
> this twice to cover cooling and heating design conditions. This reduces
> simulation time by a fair amount as it seems to cut down on the repeat load
> calculations that run in 7175 without design day conditions specified. We
> have still observed longer run times in general, but this helps.
>
>
>
> Thanks,
>
>
>
> *Coles Jennings* PE, BEMP, LEED AP BD+C
> Sr. Energy and Sustainability Engineer | Mason & Hanger
> A Day & Zimmermann Company
> *O *804.521.7045
> 4880 Sadler Road, Suite 300 | Glen Allen, VA 23060
> masonandhanger.com <http://www.masonandhanger.com/>
>
> An ISO 9001 Certified Company <https://www.masonandhanger.com/about/iso>
>
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> *From:* Equest-users <equest-users-bounces at lists.onebuilding.org> *On
> Behalf Of *Christina LaPerle via Equest-users
> *Sent:* Thursday, December 10, 2020 9:26 AM
> *To:* equest-users at lists.onebuilding.org
> *Subject:* [EXTERNAL] [Equest-users] eQuest 7175 DOE2.3 Simulation Speed
>
>
>
> Hi All,
>
> I always read everyone's posts but have never posted. Thank you for all of
> the informative exchanges over the years.
>
> I have been using the 7175 DOE2.3 version of eQuest since it was released
> and have found the simulation times to be significantly greater than the
> 7173 DOE2.2 build (even with creating the heating and cooling design days
> in detailed mode). I'm wondering if anyone else has experienced this, and,
> if so, if you have found a way to speed up simulation times. In smaller
> models (~50,000 sf) it is not a big deal but with larger models (~350,000
> sf+) I find that it impacts productivity greatly.
>
> Any input would be appreciated.
>
> Thanks!
>
> Christina
>
>
> *Christina LaPerle* PE, BEMP, CEM, CBCP
>
> Senior Energy Engineer
> ________________
> Karpman Consulting
>
> Phone 860.266.6220
>
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