Learn what CFM means in HVAC, why it matters for airflow and comfort and how to choose exhaust fans and ERVs that boost comfort and efficiency.

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 ...

HVAC airflow problems can make or break a duct system design. After all, the cornerstone of the heating and cooling industry is comfort. Without proper HVAC airflow, comfort goes out the window — pun ...