What is Air Balancing Home About Us UCxG Estimating What is Air Balancing What is Air Balancing? Air balancing is testing, adjusting, and balancing (TAB) commercial air... has surfaced. It is called HVAC Commissioning. Commissioning begins in the design phase of the HVAC system. It is vital to have a design that will result in a facility that can... be maintained and operated by the owner without difficulty. The balancing company would work with the design team reviewing the operation, maintenance, and testing of the systems...