A little helping hand from us
Our tables below are all interactive and are free for you to use.
For those looking for equivalent diameters for rectangular and round circular ducts, just click on our useful download here: Equivalent Diameters for Rectangular and Round Circular Ducts
Air Mix Calculator
|Enter Indoor Airflow:||Total Airflow|
|Enter Outside Temp:||Enter Indoor Temp:||Mixed Temp|
Motor Sizing Calculator