Known cfm calculate fpm based on known cfm.
Supply air grille sizing chart.
You may order a horizontal grille blades run in the long direction or a vertical grille blades run in the short direction.
Duct system sizes and airflow quick chart created date.
Proper sizing and orientation of grilles registers and diffusers may seem like such a simple thing but it s an area where confusion and mistakes are commonly made.
Use the calculator below to quickly and easily determine the grille airflow.
Air flow calculator linear bar grilles.
If you are ordering a wall return air grille or return air filter grille please note that these are directional.
Supply air grille sizing chart.
Grille length inches grille height inches please fill in either cfm cubic feet per minute value or fpm feet per minute value.
First let s define some terms.
Supply grille sizing chart yoskin.
Grilles diffusers and a c accessories grilles diffusers and a c accessories ering piping and ductwork systems energy.
Return a return draws air into a return duct system with negative pressure compared to the space usually via a fixed grille but.
Supply grille sizing chart yoskin.
First calculate the percent of outside air compared to system airflow by dividing the outside air cfm by the total supply airflow.
You must order by the duct opening size width x height.