Balancing HVAC System: Airflow Measurement Mobile App
A well performed testing, adjusting and balancing (TAB) of a HVAC system is essential for the proper performance of that system and can enhance indoor air quality and efficiency. Balancing HVAC System: Airflow Measurement mobile app was developed to assist in air balancing and air flow of air conditioning and water cooling systems to improve indoor air quality. A systematic approach is called for when balancing a HVAC air and water systems. The app includes is a general procedures that can be applied to all systems. Routine testing will improve energy efficacy. Free area defined as the total minimum area of openings in an air outlet or inlet device through which air can pass. Free area of return air or supply air grilles may be as low as 50% of the duct connection size. The free cross-sectional area of a duct normally is 100%. If other data are not available, it may be assumed that all similar return air or supply air grilles would have similar free areas when measured with the same instrument.
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