[BLDG-SIM] determining summer vs winter loads

[Ian Doebber]

I have a years worth of energy data for a house.  I am wondering how to
break it up into what contributes to the overall heating load and what
contributes to the overall cooling load.  So far, all the energy data during
hours the HVAC system is heating goes to the heating load and likewise, all
the energy data during hours the HVAC system is cooling goes to the cooling
load.  Pretty straight forward.  Yet I am wondering how to break up those
hours when the HVAC system is off.  Right now all I do is put data into
heating load if the hourly outside drybulb temperature is less then my
inside temperature set point (70 C) and the rest of these hours into my
cooling load.  This is just a rough estimate.  I am wondering if there is a
set benchmark for breaking up the cooling and heating loads.

Thanks
Ian Doebber


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