Field Notes on Commercial HVAC Build-Outs
Practical guidance on the mechanical scope of commercial tenant improvements — equipment lead times, above-ceiling coordination, ventilation, Title 24 and commissioning.
-
Title 24, Acceptance Testing and Commissioning: The HVAC Gates on Occupancy
Mechanical acceptance testing and the test-and-balance report are prerequisites for your certificate of occupancy. Here is how to keep them off the critical path.
-
Above-Ceiling Coordination: Why Ductwork Has to Go First
Duct is the biggest thing above the ceiling grid. Resolve the coordination on paper before fabrication, or pay for it in re-hung mains and missed inspections.
-
Why HVAC Equipment Lead Times Decide Your Build-Out Schedule
Rooftop units and VRF systems are the longest-lead items on most tenant improvements. If they are not released in the first week, they — not the crew — set your move-in date.