Years ago, I was responsible for quality control (QC) of our facility manager’s performance of outsourced building management services, and I did part of my QC responsibilities by completing walking tours of the equipment rooms.
There was a time when HVAC consulting engineering firms had a stand-alone HVAC department with a registered professional engineer as the department head.
Quite often, design engineers choose decentralized HVAC systems because of first-cost benefit, packaged equipment, simplicity of design, and the repetitiveness of the installation, to mention just a few of the features.