Balancing makes HVAC systems deliver what the design promised.
In this article
Airflow
Diffusers.
Water
Hydronic systems.
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Timing
Systems running.
Access
Dampers.
Reports
Corrections.
A closer look
Balancing is often rushed at the end of the job. Missing dampers or inaccessible valves delay reports and leave owners with comfort complaints after move-in.
Where to start
Schedule TAB early in the closeout plan and confirm access.
An example
A GC confirmed damper access before ceilings closed. Balancing finished quickly and the report was clean.
Common mistakes
Late scheduling, no access and ignoring report issues.
What to track
Track TAB issues and resolution time.
Questions to ask
Are systems running? Is access available? Who resolves deficiencies?
Who owns it
The TAB agent measures and adjusts, but the mechanical contractor must fix deficiencies and the GC must ensure access and schedule time before turnover.
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Frequently asked questions
When should TAB happen?
After HVAC systems are installed and operating, ceilings are mostly closed with access available and before final commissioning and turnover.