Air Flow Filter Arrow

Like many you may be wondering why the arrow should point in the direction the air flows.

Air flow filter arrow.

Hvac systems push the cool or warm air out and pull spent air in recirculating the air throughout your home. When you install a new air filter into the ac return duct the arrows face inward to specify which way the air is flowing. For any air filter whether it be for an air conditioner or a furnace the arrows always point in the direction of air flow. The arrow should always point in the direction the air is flowing.

Here s an easy way to figure out which way the air flow arrow goes. The arrows on any air filter need to point in the same direction the air is flowing. Look on the new filter for airflow arrows that are imprinted along the sides of the filter. There s an arrow on the box and it says to point in the direction of air flow but what does that mean.

The arrow should always point towards the return. It means the arrow faces the unit or in other words facing inside the space you re putting it into. The front side of the filter is the filter media commonly called pleats. The arrow on your filter should always face the unit and away from the return air duct that carries the air that will be heated or cooled.

These arrows are always meant to point in the direction of the airflow. Generally the edge of the filter is marked with an arrow which points in the direction of the airflow. The answer lies in the way the air filter is built. It s a strangely surprising task changing your home air filters.

But sometimes you may not know which way the air is flowing. When changing furnace filters many people wonder where the arrow of the filter should point towards.