Testing & Balancing

B.D. Abel is the only engineering firm in the tri-state area who also offers NEBB certified test and balancing services.  We are certified in the state of Delaware by the National Environmental Balancing Bureau (NEBB) for Testing, Adjusting and Balancing of Air and Hydronic Systems.  Our firm is also certified by NEBB in Building Systems Commissioning for HVAC and Plumbing.

Established in 1971, the National Environmental Balancing Bureau (NEBB) is the premier international certification association for firms that perform testing, adjusting and balancing (TAB) of heating, ventilating and air-conditioning systems in addition to building systems commissioning, sound and vibration measurement, retro-commissioning, fume hood testing and clean room performance certification. 

Our Balancing Crew: