About Air Tech Test and Balance, LLC

Founded in 2020 during the COVID-19 pandemic, Air Tech Test and Balance, LLC has quickly grown into a trusted name in the Test, Adjust, and Balance (TAB) industry. Led by Senior Managing Partners and owner-operators Alan Foster and Chad Eichelberger, who bring over 50 years of combined experience, Air Tech is built on a foundation of technical expertise, integrity, and hands-on industry knowledge.

Our success wouldn’t be possible without our skilled TAB technicians, whose dedication and specialized experience continue to drive our growth and reputation for excellence.

Based in Illinois, Air Tech has completed TAB projects throughout the state and across the Midwest, earning the trust of clients in a wide range of industries, including:

Hospitals & Cancer Centers
Educational Facilities (K-12 and Universities)
Airports & High-Rise Apartments
Pharmaceutical & Research Labs
Commissioning & Consulting Projects

If it involves commercial HVAC systems, chances are Air Tech has done it.

Exterior view of Millikin University Dance Theater in Decatur. Modern brick building with large glass windows, multiple levels, and a curved architectural design against a sunset sky.

We work closely with engineers, mechanical contractors, and building owners to identify system deficiencies and deliver effective, data-driven solutions. Using some of the most advanced equipment available—including tools for air and hydronic testing as well as thermal imaging—we ensure every system we balance meets the highest standards of performance and compliance.

We take pride in solving complex problems and look forward to helping you optimize your next project. Thank you for considering Air Tech Test and Balance, LLC as your preferred TAB contractor.

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