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Zone loads instead of HVAC loads in OpenStudio or EnergyPlus

Hi all,

Does anyone know how to get loads (heating and cooling) for each zone, instead of for the HVAC equipment or facility (as reported by default in the reports)? For example, my issue is that a single AHU distributes air at one temperature (usually cooled) to multiple VAV boxes in each zone, in which the air is (re)heated up to the required zone temperature. I need the actual loads for each zone, instead of how much heating and cooling the HVAC systems produced, since this cooling-reheating procedure "wastes" more energy than if you were cooling or heating each zone individually.

I am currently trying to get these variables using OpenStudio's "output variables" tab, but I can't seem to find them. The closest I got was a variables called "Output:Variable,*,Zone Air System Sensible Heating Energy,hourly; !- HVAC Sum [J]", but the HVAC sum part is worrying me that e+ is getting this variable from the HVAC side.

Any help is appreciated. Thanks in advance!

Zone loads instead of HVAC loads in OpenStudio or EnergyPlus

Hi all,

Does anyone know how to get hourly loads (heating and cooling) for each zone, instead of for the HVAC equipment or facility (as reported by default in the reports)? For example, my issue is that a single AHU distributes air at one temperature (usually cooled) to multiple VAV boxes in each zone, in which the air is (re)heated up to the required zone temperature. I need the actual loads for each zone, instead of how much heating and cooling the HVAC systems produced, since this cooling-reheating procedure "wastes" more energy than if you were cooling or heating each zone individually.

I am currently trying to get these variables using OpenStudio's "output variables" tab, but I can't seem to find them. The closest I got was a variables called "Output:Variable,*,Zone Air System Sensible Heating Energy,hourly; !- HVAC Sum [J]", but the HVAC sum part is worrying me that e+ is getting this variable from the HVAC side.

Any help is appreciated. Thanks in advance!