BPI, LLC is an independently owned and operated test and balance organization that specializes in air and water testing and balancing of HVAC systems. With FBE certification from the State of Illinois, we are committed to providing high-quality services to ensure optimal indoor environmental conditions for both owners and occupants. Our extensive range of services includes air testing and balancing, hydronic/water testing and balancing, ASHRAE 110 fume hood testing, duct leakage testing, AHU leakage testing, LEED IAQ testing, sound measurement, vibration measurement, and hospital critical room pressurization testing.

At BPI, LLC, we pride ourselves on our professionalism, report integrity, and effective communication with all stakeholders. Our clients trust us as the professional choice, relying on our expertise and commitment to excellence in every aspect of our work. For verification of a TAB firm's certification, you can check with the three main Test & Balance Certification Organizations: NEBB, AABC, and TABB