Supply Air Grille Sizing Chart

This is critical if the grille is on the wall.

Supply air grille sizing chart.

You must order by the duct opening size width x height. Use the calculator below to quickly and easily determine the grille airflow. If you are ordering a wall return air grille or return air filter grille please note that these are directional. First calculate the percent of outside air compared to system airflow by dividing the outside air cfm by the total supply airflow.

Air flow calculator linear bar grilles. Written by kupis on january 23 2020 in chart. Return a return draws air into a return duct system with negative pressure compared to the space usually via a fixed grille but. 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.

Supply grille sizing chart yoskin. Supply air grille sizing chart. Should the system have an outside air intake you must reduce the amount of required return air into each return grille and duct to provide for the outside air entering the return side of the fan. Grilles diffusers and a c accessories grilles diffusers and a c accessories ering piping and ductwork systems energy.

Grille length inches grille height inches please fill in either cfm cubic feet per minute value or fpm feet per minute value. Duct system sizes and airflow quick chart created date. Supply grille sizing chart yoskin.