[EnergyPlus_Support] Purchased Air Outputs and What They Mean

["energyplus99" <energyplus99@xxxxxxxxx>]

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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