HVAC technician in a navy uniform and white hard hat crouching beside an open outdoor condenser unit while holding red and blue refrigerant manifold gauges

Welcome to SITA

HVAC Hydronic Balancing

The quality of the building environment is a direct result of HVAC system design proper testing, and adjusting.

HVAC Hydronic Balancing

HVAC Hydronic Balancing

Total Hydronic Balancing is a set of means and methods for making hydronic systems readily controllable so they provide the intended indoor climate at minimum operating cost. Testing and adjusting of building water systems will provide the same benefits as those provided by air balancing. In order to achieve these results pumps, chillers, cooling towers, flow devices, and coils require proper testing and balancing.

Two technicians in white and yellow hard hats examining piping and equipment in a mechanical room while one holds a clipboard and points at a component

Benefits of HVAC Hydronic Balancing:

HVAC Hydronic Balancing benefits include: enhanced building performance, lower operating costs, and greater occupant comfort. When properly balanced, hydronic systems will minimize their energy usage, operational costs and ensure building pressurization.

Bright commercial mechanical room with silver insulated piping, red motorized valve manifolds, blue expansion tanks, and a large air handling unit under a skylit white ceiling
Bright commercial mechanical room with silver insulated piping, red motorized valve manifolds, blue expansion tanks, and a large air handling unit under a skylit white ceiling

Benefits of HVAC Hydronic Balancing:

HVAC Hydronic Balancing benefits include: enhanced building performance, lower operating costs, and greater occupant comfort. When properly balanced, hydronic systems will minimize their energy usage, operational costs and ensure building pressurization.

Have Any Questions?

Have Any Questions?

We encourage questions and are happy to answer them! You can send your inquiries through our Contact page

5 Tips for Hydronic Balancing Success:

The HVAC Hydronic Balancing process can be greatly enhanced by following these five recommendations.

  1. Proper start-up of Hydronic Equipment.
  2. HVAC controls are complete and fully operational to allow TAB to commence.
  3. Construction strainers are removed from pumps after systems flush/cleaning.
  4. Proper pipe diameters should be reviewed to ensure accurate measurements on flow measure devices.
  5. Hydronic systems should be verified to be free of air and properly vented at the highest points in the systems.

The Keys to Determining Pump Flow:

  • Review of pump installation.
  • Review of pump curve.
  • Review of pressure gauges to ensure proper location, if the gauges are not installed in the provided ports the pump curve may not correlate. (see article in tech talk)
  • Determine impeller size by performing a shut off head pressure test.
ACG AABC Commissioning Group logo
AABC Associated Air Balance Council logo featuring a navy blue circle with three red horizontal stripes and bold blue AABC lettering below on a transparent background
NEBB National Environmental Balancing Bureau logo with bold green and white lettering and a white flag icon on a black transparent background
ACG CxA Certified Commissioning Authority
Florida Environmental Balancing Bureau FEBB logo with a green triangular balance scale icon overlaid on the state of Florida outline and green text on a transparent background