The arrow should always point in the direction the air is.
Furnace air flow direction filter.
This tends to confuse everyone more than anything else.
The first step to an effectively filtered heating ventilation and air conditioning system is the correct insertion of a furnace filter.
Forced air furnaces recirculate air through a home.
If you inspect your new air filter you may see an arrow that says air flow.
What s the right furnace filter direction.
Which way does furnace air flow.
Pushing air cool or heated in and pulling spent air back in for another cycle.
So air flows from your ducts through the filter and into the furnace.
That arrow must always face toward the furnace and away from the return duct that carries the air in need of heating or cooling.
If the filter.
The right way to insert a furnace air filter.
When changing furnace filters many people wonder where the arrow of the filter should point towards.
On your new air filter find the arrow that indicates the proper air flow direction.