Test, Adjust and Balance (TAB) Services

Gilbert’s Test, Adjust and Balance services ensure mechanical systems are operating to the same degree of efficiency as originally designed.

TAB Categories & Accreditations

Whether it is a newly installed system of one that has been running for years, our technicians can evaluate the health of a system and make the necessary adjustments to maximise efficiency. Test and balance services cover a broad range of mechanical systems, spanning across three categories: Air & Water Balance, Certification Requirements and Specialty Testing.

Gilbert is a member of SMACNA, ASHRAE and IEST and all our technicians are NEBB, TABB and NSF-certified. Every test is conducted in accordance with its respective standards and procedures.

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Educational Facilities Electrical Maintenance

What We Do


Fire Alarm System Test


Energy Audits


Duct Leakage Test


Equipment Calibration


Microbiological Testing


T24 Mechanical


Acceptance Testing

Who Do We Cater To?

Air Balance Testing (HVAC Balance Test)

TAB inspects every aspect of a HVAC system, from rooftop air handlers to each individual register and events. We measure air distribution and temperature to ensure that each individual zone, as well as the system as a whole, is operating at design specifications.

Water Balance Testing

HVAC systems include heating hot water, chilled water and various process systems. Our technicians inspect those systems for proper water temperature, pressure, flow area and system control sequences as part of HVAC balance testing. If any of these aspects are outside of their design tolerances, it can affect the efficiency of the entire system.


Our Preventive Maintenance Services