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.

well? View image: /infopop/emoticons/icon_smile.gif<P>specifically, a 1.9L engine that revs to 5500. i need to know the max cfm it'll use (on its own). i know there's ...

One of the most effective ways to measure airflow is through a method known as a traverse. While a traverse offers an accurate means of determining airflow, it is rarely used by HVAC professionals due ...