[BLDG-SIM] over hangs...more info

John Aulbach jra_sac at yahoo.com
Thu Apr 27 22:18:33 PDT 2006


Scott:

What type of system are you using? Do you have a
reheat that is electric or gas?

I am willing to bet there is a control phenomena
happening.

Are you SURE you are using the same glass, too??

--- Scott Runyon <srunyon at rmf.com> wrote:

> My building is located in South Carolina. I have
> compared the simulation
> before and after the overhangs have been added.
> 
>  
> 
> With the overhangs: Electrically: Space Cooling,
> Heat Rejection, Space
> Heating (this makes sense), and Pumps increase while
> the Vent. Fan
> energy consumption decreases.
> 
>  
> 
> Gas Consumption increases for Space Heating.
> 
>  
> 
> Even when I am looking at this on a cooling basis
> alone, adding the
> overhangs increases my electric consumption during
> the hotter, summer
> months.
> 
>  
> 
>  
> 
> I am baffled.
> 
> Thanks,
> 
> Scott Runyon 
> 
> 
> 
>  
> 
> 
> 
>
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