[Bldg-sim] LEED Kitchen/Laundry HVAC Systems

Jim Dirkes jim at buildingperformanceteam.com
Thu Oct 27 11:26:41 PDT 2011


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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