Airflow velocity in a residential HVAC market duct system is an important design consideration. Although designing for proper velocity applies to all ducted HVAC construction systems — heat pumps, air ...

The type of plan that shows the layout of the HVAC system is called a mechanical plan. Mechanical plans detail the equipment and its placement within the building, including all components necessary ...

The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA), the leader in promoting quality and excellence in the sheet metal and air conditioning industry, published the fifth ...

This article first appeared in the July/August issue of Pro Builder. Most HVAC installations for a new home begin with the Air Conditioning Contractors of America (ACCA) Manual J load calculation. If ...

The Sheet Metal and Air Conditioning Contractors' National Association (SMACNA) Testing & Research Institute (STRI) recently officially verified that the Griplock Cable Suspension System for HVAC ...