[Hap-users] roof / attic

[varun kulkarni]

Usually the attic is ventillated. I assume it to be a partition load , just
to be on the safe side.


On Tue, May 10, 2011 at 3:05 PM, Luke Yantis <lukeyantis at eeace.com> wrote:

>
>
> All,
>
>
>
> If you have an unconditioned attic space not functioning as a plenum, is it
> correct to model the roof and ceiling as one layer? That is, can you assume
> all heat gain / loss through the roof is also transmitted to / from the
> space? I would assume not since air is an insulator, however treating the
> ceiling as a partition & guessing the attic temperatures at outside design
> extremes is too much of a wild guess in my opinion.
>
>
>
> Any comments on this would be appreciated.
>
>
>
> Thanks,
>
>
>
> Luke
>
> 512-744-4437
>
> EEA Consulting Engineers
>
> Austin, TX
>
>
>
>
>
>
>
>
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-- 

Thanks and Best Regards,



Sincerely,

Varun Kulkarni , M.S. , EIT



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