Hvac Duct Leakage Test Manual

The hvac air duct leakage test manual has been incorporated by reference and is legally mandated by the united states in title 10 of the code of federal regulations section 434 403 2 9 3.

Hvac duct leakage test manual. Apparent differences of about ten percent between fan delivery and sum of airflow measurements at terminals do not necessarily mean poor sealing and excess leakage. Quote fromquote from hvac air duct leakage testhvac air duct leakage test manual smacna. The hvac air duct leakage test manual has also been incorporated by reference and is required by law in title 19 new york. This american national standard ansi smacna 016 2012 covers revised leakage criteria and builds on the proven methods for testing ductwork for air leaks from the first edition.

2 hvac duct construction standards metal and flexible 1st edition 1985 hvac duct construction standard metal and flexible 2nd edition 1995 and the current smacna duct construction standard hvac duct construction standards metal and flexible 3rd edition 2005. Potential accuracy of flow measurements should be evaluated. This american national standard ansi smacna 016 2012 covers revised leakage criteria and builds on the proven methods for testing ductwork for air leaks from the first edition. Where no specific duct pressure class designations are provided byclass designations are provided by the designer the 1 water gage pressure class is the basis of.

The hvac air duct leakage test manual provides practical and detailed procedures for conducting leakage tests. The research also led to the development of the smacna hvac air duct leakage test manual 1st edition.