About Air system balancing and testing

Most of today's newest HVAC systems are being designed with many more individually controlled temperature zones to improve occupant comfort. Variable speed fans and pumps are becoming more commonplace to provide the exact amount of heating and cooling system capacity in a manner that minimizes overall energy usage. New occupant air ventilation codes are much more restrictive and at the same time building envelopes are becoming much tighter. The combination of constantly changing HVAC airflow rates and increased demand for fresh- and filtered-ventilation air for all occupants is placing more emphasis on fine tuning HVAC system operation.

The building construction industry is experiencing a major growth in demand for experienced and certified testing, adjusting, and balancing (TAB) contractors who can balance today's complex HVAC systems.


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All contents of this page are taken from http://www.wbdg.org/design/230593.php