Who is required to perform the pressure and airflow measurements before installing a building or airspace pressurization system?

The requirement for performing pressure and airflow measurements before installing a building or airspace pressurization system is attributed to the expertise and specific knowledge that a qualified ventilation professional possesses. This role includes understanding the principles of airflow, pressure differentials, and how to measure and evaluate these aspects accurately.

Qualified ventilation professionals are trained to analyze and interpret the conditions of indoor air environments. They assess various factors, such as the building’s design, occupancy, and existing systems. By conducting these measurements correctly, they ensure that the pressurization system will function effectively and efficiently. This minimizes the risks associated with improper ventilation, such as creating negative pressure that can lead to increased radon entry or other air quality issues.

Other roles, such as homeowners, HVAC technicians, or certified contractors, may not have the specialized training required to understand the complexities of airflow and pressure dynamics in relation to building pressurization systems. While these individuals may handle installation or maintenance tasks, the detailed measurements and evaluations that ensure safe and effective system performance fall squarely under the expertise of a qualified ventilation professional.