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Environmental Testing & Balancing
ETB has been the Northeast's most dependable and professional HVAC and building environment testing, adjusting, and balancing service for more than 20 years. Ready to experience the difference? Accuracy, promptness, and responsiveness are critical to the completion of your construction and maintenance projects, and ETB knows how to meet and exceed your expectations for environmental testing and balancing.

We are certified by the NEBB and TABB, ensuring that you will have highly trained professionals on site and on call, dedicated to completing work the right way, when you need it most. ETB has been a pioneer in automating report processing for testing and balancing services, for faster project completions.
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Environmental Testing & Balancing, Inc. was established in 1994 in North Haven, Connecticut. Our staff has more than 50 combined years of experience in HVAC testing, adjusting, and balancing for commercial buildings. We are one of a handful of NEBB certified firms in the state. Please view our complete list of services.
ETB has decades of experience in providing a complete range of HVAC and building environmental testing and analysis. You can be assured that we have the right expertise, equipment, and industry-certified training resources to make sure that you get the highest level of quality reporting and insights.
The National Environmental Balancing Bureau (NEBB) is the premier international certification association for firms that deliver high performance building systems. NEBB certified professionals are required to complete extensive training and testing programs in order to attain certification status.
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