[Bldg-sim] Cooling Loads Question

Cory Estep 90estep at cardinalmail.cua.edu
Wed Oct 13 05:17:33 PDT 2010

The project is located in Washington DC/Office
My apologies for excluding that in the initial email... It was late last
night ; )

On Wed, Oct 13, 2010 at 3:18 AM, Carol Gardner <cmg750 at gmail.com> wrote:

> Corey,
> Where is the building located and what is it's use? It's not too unusual to
> have cooling loads that are much higher than heating loads as all the
> internal gains go against you during the cooling season but assist you
> during the heating season.
> Carol
>   On Tue, Oct 12, 2010 at 7:34 PM, Cory Estep <
> 90estep at cardinalmail.cua.edu> wrote:
>>   Good Evening Everyone:
>> I have a question about high cooling loads I am getting in my simulation.
>> I have developed a simulation in Design Builder, using Energy+ as the
>> simulation engine.  It has been developed acording to ASHRAE 90.1-2007 AppG,
>> and it is for a leased space of 11,000+ SF.  Additionally, I specified
>> System #4 - PSZ-HP.
>> I double checked my weather file, equipment loads, and lighting loads, and
>> they are within range.  However, my cooling loads are almost 4 times as high
>> as my heating (Heating = 3.4 kbtu/sqft-yr & Cooling = 12.4 kbtu/sqft-yr).
>> My major concern with this is that when I use CBECS as a reference the
>> heating and cooling loads are almost reversed from what I am getting.
>> I have read over the Design Builder Users Manual to verify that I have not
>> overlooked anything, but I am at a loss...
>> My simulation may be correct, however I did want to get a second opinion.
>> Any information or suggestions is appreciated.
>> Thanks,
>> Cory Estep
>> MARCH/MSSD Candidate
>> The Catholic University of America
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> --
> Carol Gardner PE

Cory Estep
MARCH + MSSD Candidate
The Catholic University of America
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