We are working on the LEED design of a factory building. We are running an energy simulation: for the size of the building, according HVAC modeling requirements in ASHRAE 90.1, we would use System 6 - Packaged VAV with PFP boxes for the baseline building. In fact we can meet ASHRAE 55.2 comfort requirements by using an evaporative cooling mechanical ventilation system. This is not a conventional chiller system, it is only mechanical ventilation. Please confirm we continue to use the Packaged VAV with PFP boxes for the baseline building case--we see nothing requiring that we change the baseline modeling requirements. There is no heating system since we're in the tropics (the project is located in southern Vietnam).
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