[Bldg-sim] LEED Kitchen/Laundry HVAC Systems

[Cheney]

My understanding is that your HVAC system is not process. Even in the old
LEED system where process energy/plug energy will be removed from final
energy cost savings, will still consider the heating and cooling energy
iccured by such process/plug loads.

Regards,

Cheney

LinkedIN @ http://ca.linkedin.com/pub/yu-cheney-chen/27/637/72b



On Thu, Oct 27, 2011 at 11:26 AM, Jim Dirkes <
jim at buildingperformanceteam.com> wrote:

> In my opinion…..****
>
> Your HVAC system for the makeup air or servers / racks is HVAC for a room
> in a building which (at least occasionally) has people in it.  I think it
> qualifies as non-process.****
>
> ** **
>
> ** **
>
> *The Building Performance Team
> **James V. Dirkes II, P.E., BEMP , LEED AP
> *1631 Acacia Drive NW
> Grand Rapids, MI 49504
> 616 450 8653****
>
> ** **
>
> *From:* bldg-sim-bounces at lists.onebuilding.org [mailto:
> bldg-sim-bounces at lists.onebuilding.org] *On Behalf Of *Rob Hudson
> *Sent:* Thursday, October 27, 2011 1:54 PM
> *To:* bldg-sim at lists.onebuilding.org
> *Subject:* [Bldg-sim] LEED Kitchen/Laundry HVAC Systems****
>
> ** **
>
> In the situation that a design is utilizing an efficient exhaust/make up
> air system, the LEED book says that an exceptional calculation may be used
> to help quantify savings.  This leads me to believe that the kitchen cooking
> equipment is process, but the HVAC equipment is not.  My office has been
> having a "discussion" about whether HVAC equipment that conditions air for
> process equipment is considered process as well.****
>
> ** **
>
> Another example that is plaguing me:  an electrical rack room has 90 kW of
> stuff and requires 25 tons of cooling.  If i use an efficient design, can i
> take credit for it by comparing my design to a baseline of system 3 (PTAC w/
> DX cooling and furnace heating)?  I believe that this HVAC system should be
> allowed to get credit, but others argue that because it serves process
> equipment, then it is "process" heating/cooling.****
>
> ** **
>
> Any thoughts from LEED AP out there? (i'm still working on getting my LEED
> AP).****
>
> ** **
>
> Thanks,****
>
> ** **
>
> --
> Rob Hudson****
>
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