The Invisible Hand of HVAC: Testing, Adjusting, and Balancing (TAB) Explained
The Invisible Hand of HVAC: Testing, Adjusting, and Balancing (TAB) Explained In the final phases of a Turnkey or EPC project, the physical installation is complete. The chillers are in place, the ductwork is sealed, and the Air Handling Units (AHUs) are powered on. However, without a precise execution of the TAB HVAC phase, even the most expensive system is just a collection of metal and wires. For an HVAC Technician, the Testing, Adjusting, and Balancing process is where theory meets reality. It is the invisible art that ensures every room receives the exact cubic feet per minute (CFM) of air it was designed for, protecting the facility from hot spots, drafts, and pressure failures. 1. What is TAB? TAB is a specialized diagnostic and corrective process used to ensure that a building's environmental systems perform in accordance with the design intent and the contract documents. Testing: Using specialized instruments to measure actual temperatures, pressures, rotational speeds...