Furnace Air Return Grill

Industries 270 series 18 x 18 in.

Furnace air return grill.

Steel baseboard return air grilles w base projection 658 series steel horizontal return air grilles 94a 94at series steel lanced return air filter grilles 659t series. It differs from a register because it does not have a damper to control airflow. Here s an example of a giant return air grill near the floor. In most homes the filter is placed directly by the furnace but some homes are not equipped for that kind of setup and you may need a return air filter grille.

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. The function of a grille is to pull air from a room to return it to the heating or cooling system. If the air duct has not been formed yet then you have a much bigger task on your hands than this article can help you with. Homes will either have multiple small grilles throughout or a single large grille installed in either ceilings or walls.

The single giant return air grill in the floor balances the load at the furnace motor but does nothing to promote cross ventilation in each room. Vent cover magnetic 3 pack 15 7 x7 8 x1 3mm strong magnet vent covers for ceiling wall floor of rvs registers air grills hvac in office boats bedrooms white by nino 17 99 17. 22 5 x 21 75 4 7 out of 5 stars 238. Find grilles at lowe s today.

First calculate the percent of outside air compared to system airflow by dividing the outside air cfm by the total supply airflow. It s much better to put a return air duct in each room. Free shipping on orders over 99. The stamped face allows for 2 way air deflection.

99 3 10 in get it as soon as fri sep 18. 1 16 of over 1 000 results for hvac return air grille 20 x 20 steel return air filter grille for 1 filter removable face door hvac duct cover flat stamped face white outer dimensions.