Supply Air Grille Sizing Chart

Grilles diffusers and a c accessories grilles diffusers and a c accessories ering piping and ductwork systems energy.

Supply air grille sizing chart.

First let s define some terms. Written by kupis on january 23 2020 in chart. Air flow calculator linear bar grilles. Known cfm calculate fpm based on known cfm.

Return a return draws air into a return duct system with negative pressure compared to the space usually via a fixed grille but. Supply air grille sizing chart. 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.

Grille length inches grille height inches please fill in either cfm cubic feet per minute value or fpm feet per minute value. 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. Supply grille sizing chart yoskin. You may order a horizontal grille blades run in the long direction or a vertical grille blades run in the short direction.

Use the calculator below to quickly and easily determine the grille airflow. First calculate the percent of outside air compared to system airflow by dividing the outside air cfm by the total supply airflow. Supply grille sizing chart yoskin.