We don’t give much thought to the hidden airflow highways winding through our houses – the ductwork carrying heating and cooling to every room. Yet choosing the right ductwork plays a huge role in ...

The ANSI-recognized national standard for residential HVAC duct design will help you design a duct system in less time. The ANSI-recognized national standard for residential HVAC duct design will help ...

THIS column provides information about the use of outdoor air dampers in hot and humid climates and during hot and humid seasons in temperate climates in commercial buildings. Terms used in this ...

The Sheet Metal and Air Conditioning Contractors' National Association (SMACNA) has unveiled the fourth edition of its comprehensive HVAC Duct Systems Inspection Guide, marking a significant update to ...