We are a NEBB certified firm offering the following services:

  • Retro Commissioning
  • Building Systems Commissioning/Technical Support Services
  • Annual Outside Air Audits
  • Ultrasound Water Measurement
  • System Evaluations/Temperature Testing/Space Pressurization Testing
  • Sound & Vibration Testing
  • Building Envelope Testing
  • Duct Air Leakage Testing & Witnessing

George Mason University

Testing, Adjusting, and Balancing (TAB)

Balancing in General

  • Adjust the amount of airflow distributed to each air diffuser.
  • Measure total airflow for all HVAC and exhaust systems.
  • Balance airflow for each supply and exhaust grille.
  • Measure volts, amps, statics, RPM's, temperatures, and set minimum outside air requirements on all A/C units.
  • Balance water flow for all pumps, cooling towers, chillers, boilers, and air handling unit coils.

When is the proper time to balance?

You should consider having your systems balanced when one or more of the following problems exist:

  • The space configuration has changed.
  • Personnel must continuously readjust control settings.
  • Indoor air quality (IAQ) is a concern (ASHRAE Guideline Compliance)
  • Odors are present inside the building.
  • The building is drafty or stuffy.
  • Doors stay open or are hard to open.
  • Excessive dirt or dust is present in HVAC duct systems.
  • Flies and other bugs have become a nuisance.
  • Excessive complaints
  • Hot and Cold spots throughout tenant spaces.