[EnergyPlus_Support] Re: Purchased Air Outputs and What They Mean

["ooikoonbeng2004" <kooi@xxxxxxxxxxxxxxxx>]

The output variables you stated do respond to changes in building 
materials and constructions. i get a reasonable 300 KWH/m2/year on a 
building zone using Kuching weather file. Cheers, ooi

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "energyplus99" 
<energyplus99@...> wrote:
>
> I am using Purchased Air to determine heating/cooling 
requirements.  
> 
> While I know that it cannot be used to control for zone humidity 
and 
> temperature (indeed, zone humidity seems to vary wildly throughout 
the 
> run), is it none-the-less an accurate measure of heating and 
cooling 
> rate requirements?  Specifically, on an hour-by-hour basis, can I 
rely 
> on the outputs for "Purchased Air Total Cooling Rate", "Purchased 
Air 
> Sensible Cooling Rate" and "Purchased Air Heating Rate" to be 
> accurate?  
> 
> If this is true, can I go one step further to integrate (ie add) 
these 
> values over a period of time (for example a month) to get an 
accurate 
> count of how much energy my heatpump will need to either supply or 
> extract over that period?
>




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