TAB Testing

Water & Air Balancing, Adjusting, and Testing Services


Through BalCon, Rasmussen Mechanical Services’ TAB Testing Division brings comfort and efficiency to the operation of new and existing air and hydronic systems. Balanced buildings lower overall energy costs and increase productivity of mechanical systems and employees. We provide:

  • Pre-Construction Design Reviews 
  • Post-Construction Commissioning
  • Pneumatic Controls Trouble-Shooting and Balancing
  • Validation of Temperature Controls Accuracy
  • Calibration Checks On Control Valves, Balancing Valve and Flow Meter
  • Clean Room Testing
  • Fume Hood Testing
  • Hospital/Lab System Testing
  • Duct Pressure Testing For Leakage
  • Complete Survey And Analysis Of Existing Environmental Systems
  • Consultation For Upgrading And Retrofitting Systems
  • Outside Air CFM Adjustment And Certification

Air & Water Balance Brochure

Download our air & water balancing brochure see how Rasmussen Mechanical Services can help your air and hydronic systems reach peak productivity and efficiency.

Optimal Comfort & Compliance

The U.S. Department of Energy and ASHRAE Standard 90.1 have developed standards and requirements for commercial facilities. Rasmussen Mechanical Services TAB Testing Division assists you in reaching regulatory compliance without sacrificing customer satisfaction. We are also NEBB Certified and have over 25 years of industry experience. Our team of experienced technicians, can establish and maintain system operation that:

  • Maximizes systems efficiencies
  • Minimizes operating costs
  • Reduce energy consumption
  • Increase asset reliability
  • Improve occupant health and comfort

What is TAB Testing?

It is the process of ensuring that the systems used to heat, cool and move fluid and air throughout your structures are in balance. In new builds this is commonly done by identifying design or construction deficiencies. In existing systems this often involves troubleshooting problems or maximizing efficiencies. Signs that things may be out of balance include:

Hot and Cold Spots In Your Building

Differences In Air Pressure and Hard To Open Doors

High Energy Costs

HVAC System That Struggles To Keep Up

See the Service in Action

Project Spotlight: Sioux Gateway Airport

Rasmussen Mechanical Services installed new 98% efficient condensing boilers, a Honeywell Directed Digital Control (DDC) building temperature control system, and installed a four (4) stage chiller for optimal cooling efficiency.