[Equest-users] Equest Air-Side HVAC Loads vs. HAP Calculated Loads

Carol Gardner cmg750 at gmail.com
Tue May 11 12:19:18 PDT 2010


Hi Brooks,

It has been a long time since I used HAP but I use eQUEST all the time. I
would not spend too much time worrying about making the output of tuning
eQUEST

On Tue, May 11, 2010 at 10:49 AM, Brooks Stout
<BStout at barrettwoodyard.com>wrote:

>  We are working on a high-rise office building which is all curtainwall,
> and has a high fenestration percentage. We have calculated the air-side HVAC
> loads for our project via HAP, and are comparing them to the "eQUEST System
> & Zone Air-Side Summary Report" calculated design capacity values. The
> eQuest values appear to be much higher, and a large part of this increase is
> in the "Window Glass+Frm Cond" value displayed in the LS-B reports. Has any
> one compared the eQuest system sizing values to HAP or another load
> calculation program and experienced similar results? Should we spend the
> additional time trying to tweak the model so it more closely matches the HAP
> calculated values, or simply move forward with comparing the eQuest building
> to the baseline?
>
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