filter Air Flow Filter Placement Air filters have arrows printed on them that indicate which direction they should be installed. Make the arrows face the ceilin… byDarius Wembi -February 01, 2022
diagram Furnace Filter Air Flow Diagram If the filter sat after the furnace, there would be potential hazards associated with it, like possibility of fire (hot air hit… byDarius Wembi -September 14, 2021