 | On September 8, 2017 Air Central's Project Managers presented HVAC concepts to some of our general contractor project managers and foremen. Some of the topics included basic A/C systems (Chillers, split, package units, etc), Variable Frequency Drives, VAV Boxes, air diffusers and registers, and duct sizing to name a few. |
 Barry explains Variable Air Volume units.  Lyle goes over how to properly size duct work.  |  Jeanessa explains how air diffusers and registers work.   Greg explains basic A/C systems |
