I have a case where we will build a building that requires 100% OA for process purposes. There is a requirement for 2 air changes per hour. The building is a typical metal building used in the US, and will be insulated. There will be about 10 people in the building normally, and some industrial equipment. My question is, based on the OA requirement, how does the equipment (internal) and external load impact the cooling load calculation? All air will be exhausted, so heat generated from these loads will be as well. Would these loads be added to the cooling load calculated for the Outside air or not?
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