[Equest-users] In case of not knowing building orientation, how we get a relatively accurate total energy consumption?

[Qi Jin]

Hi Nick,
Thanks for your prompt reply. You provided a great point! I will do per
your feedback! Really appreciate that!

Best,
Frank

On Sun, Dec 13, 2015 at 8:39 PM, Nicholas Caton <ncaton at catonenergy.com>
wrote:

> Assuming orientation is truly ‘unknowable:’
>
>
>
> For some building designs, orientation does not play a meaningful role
> using metrics like total annual energy costs/consumption. For other
> building designs, it is a bigger deal.  I would advise you to first perform
> a “sensitivity analysis” by comparing the results of a variety of
> orientation possibilities (after the rest of your model development is
> complete).
>
>
>
> Then, when you present your results you could for example present the
> lowest result and inform: “actual energy consumption may rise up to XX% if
> building orientation is not optimized.”
>
>
>
> ~Nick
>
>
>
> *NICK CATON, P.E.*
> *Owner*
>
>
>
> *Caton Energy Consulting*
>   306 N Ferrel
>
>   Olathe, KS  66061
>
>   office:  785.410.3317
>
> www.catonenergy.com
>
>
>
> *From:* Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] *On
> Behalf Of *Qi Jin
> *Sent:* Sunday, December 13, 2015 7:40 PM
> *To:* equest-users at lists.onebuilding.org
> *Subject:* [Equest-users] In case of not knowing building orientation,
> how we get a relatively accurate total energy consumption?
>
>
>
> Hello Dear All,
>
> I have a question about building orientation in eQUEST model. I don't know
> building orientation and set the azimuth to be 0 as the baseline model.
>
>
>
> The question is *in case of we don't know building orientation, how do we
> get a relatively accurate total energy consumption?*
>
>
>
> I found that someone simulated energy modeling under four building
> orientations, including 0, 90, 180, and 270. Energy consumption of four
> cases were averaged which was considered as the actual energy consumption.
>
>
>
> Can anyone give me some ideas about this issue? Your help would be greatly
> appreciated!
>
>
>
> Thanks,
>
> Frank
>
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