Penn Air Control is an independent test and balance engineering company and a member of the Associated Air Balance Council. Its services include hydronic test engineering, life safety control performance verification and the review of control sequences and interlocks. In addition, Penn Air Control offers cooling tower thermal performance and sound and vibration testing services. It also offers a clean room and flow hood testing and certification program. Penn Air Control checks duct air leakage. The company is a part of The Penn Air Group, which has been providing heating, ventilation and air conditioning energy conservation and indoor air quality solutions since 1972.