I am reading through MEEP and Ching and I think I understand the basics of the different HVAC systems, but the thing I can’t find is when to use which type or what are the advantages of one over the other. This was a content area in which I did very poorly during my PPD fail. I think I can easily figure out when to use All-Air Systems (CAV, VAV, Dual Duct, and Terminal Reheat) but when is an All-Water or an Air-Water advantageous? Or a Packaged System? How do you choose? Thanks in advance.
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