We deliver
high-performance buildings.

Experience yields results

We are an NEBB Certified environmental test, adjust and balance company that provides comprehensive services for a diverse range of buildings, including hospitals, schools, laboratories, industrial sites and commercial buildings. Whether you are installing a new system or are interested in improving the efficiency of an existing system, we will ensure that your equipment performs as intended and operates at optimum levels.

Return on your equipment investment.

Our thorough process begins at plan review and concludes when the owner takes occupancy of a comfortable and efficient facility. The result is a well-documented infrastructure that performs to design, which helps to control energy costs and improve comfort levels. We ensure you get a return on your equipment investment.

  • TAB Services

    Sound and vibration testing

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    Control system verification

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    Fume hood certification

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    Stairwell pressurization

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    Smoke management systems testing

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    Existing infrastructure assessment

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    Air balance

  • TAB Services

    Hydronic balance

What we do

  • Sound and vibration testing

    Sound and vibration testing

    To ensure occupant comfort and mitigate noisy HVAC systems, sound and vibration testing measures the performance of HVAC equipment against the manufacturer's specifications. This process may uncover potential installation or operating issues.

  • Control system verification

    Control system verification

    A meticulously balanced system will not perform as intended without a commissioned control program. A detailed control system verification program will ensure that the HVAC system is functioning as intended.

  • Fume hood certification

    Fume hood certification

    DAC offers complete fume hood testing and certification services to ensure safe operating conditions in laboratory facilities and provide effective, economical fume hood performance.

  • Stairwell pressurization

    Stairwell pressurization

    DAC provides stairwell pressurization testing to ensure the operational reliability of this key component to the life safety system.

  • Smoke management systems testing

    Smoke management systems testing

    DAC performs smoke management systems testing to verify proper operation and provide a certified report detailing the system's performance levels.

  • Existing infrastructure assessment

    Existing infrastructure assessment

    An existing system survey is a necessary first step if you are interested in improving an HVAC system to enhance efficiency, air quality, and/or comfort levels.

  • Air balance

    Air balance

    A thorough certified air balance should be performed after an HVAC system is installed to ensure that it is operating according to the design criteria, manufacturer's specifications, and NEBB standards for high-performance building systems.

  • Hydronic balance

    Hydronic balance

    A comprehensive hydronic balance should be performed after a fluid system is installed to ensure that it is operating according to the manufacturer's specifications. A complete hydronic balance includes temperature performance testing of all heat exchange equipment.

Professional services from certified professionals.

DAC is a NEBB Certified Firm (No. 3505) and maintains a staff of NEBB Certified Professionals and Technicians.

NEBB

Established in 1971, the National Environmental Balancing Bureau (NEBB) is the premier international certification association for firms that deliver high-performance building systems. NEBB’s function is to establish, promote and maintain high-quality standards through certification of Firms, Professionals and Technicians.

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We’d love to hear from you.

If you’d like to know more about how DAC can help you, please contact one of our experts. We’re excited at the opportunity to serve you.