Existing and New HVAC performance tuning.
Today’s HVAC systems are being designed with more individually controlled temperature zones with variable airflow to improve occupant comfort and to provide the exact amount of cooling system capacity in a manner that minimizes overall energy usage. With more stringent occupant air ventilation codes and tighter building envelopes, the increased demand for fresh- and filtered-ventilation air for all occupants is placing more emphasis on fine tuning HVAC systems. Older buildings over time experience changes in internal loads and space layout changes since they were designed and built which then results in hot and cold spots in the occupied zone resulting is a decrease of operating performance, efficiency, and comfort.
Testing, Adjusting and Balancing (TAB)?
Measurement and calibration of the HVAC systems to meet the design air flow and chilled water flow as required achieving the optimum thermal comfort, energy and IAQ performance
What are the key benefits of TAB?
ASHRAE Standard 111 – 1988 Practices for Measurement, Testing, Adjusting, and Balancing of Building Heating, Ventilation, Air-Conditioning, and Refrigeration Systems
NEBB Procedural Standards for Testing, Adjusting, and Balancing of Environmental Systems
AABC National Standards for Total System Balance
NBCTA Volume 1: Standards and Codes for Mechanical Systems in Buildings
ISO Standards: International Standards Organization
Equipment Manufacturer’s HVAC Equipment “TAB” Instructions
ASTM Standards of Fluid and Velocity Measurement
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