Sizing HVAC Cooling Capacity

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Hello, I am new to learn EnergyPlus.

This time, I want to calculate cooling capacity inside the building, and using only design day simulation for calculation.

This is the sensible cooling load result for the zone and we get 19.47 kW for sensible cooling load, and I did the zone component load summary to get a cooling load breakdown of the model, and I am not quite sure about interpreting the result from simulation.

From the cooling load breakdown, the total sensible cooling load is 17.8 kW and latent cooling load is 1.87 kW. The sensible cooling load is quite different with the HVAC sizing summary.

I am wondering how to define the accurate cooling capacity for HVAC sizing in energyplus by looking at the result of simulation.

Thank you for your consideration to answer my question.