Furnace Air Flow Filter Direction

The right way to insert a furnace air filter.

Furnace air flow filter direction.

What happens if a furnace filter faces the wrong direction. When changing furnace filters many people wonder where the arrow of the filter should point towards. The arrows on any air filter need to point in the same direction the air is flowing. In most furnaces the filter will be adjacent to the furnace and is inserted where the ductwork meets the furnace.

The term air flow configuration describes the physical orientation of a furnace relative to the direction in which heated air leaves the furnace and enters the ductwork. If you inspect your new air filter you may see an arrow that says air flow. The first step to an effectively filtered heating ventilation and air conditioning system is the correct insertion of a furnace filter. As the owner of a central heating and cooling system one of your most important maintenance responsibilities is to regularly change your air filter.

We want to ensure that you install your new filter correctly so today we re going to talk about how to know which. Upflow downflow and horizontal. Stand in front of the furnace and look for the ducts. The arrow should always point in the direction the air is.

When you install a new air filter into the ac return duct the arrows face inward to specify which way the air is flowing. You need to determine the proper direction in order to obtain optimum filtering and have the longest service life possible for your filter. On the new filter find the arrow indicating the proper airflow direction. Determine where on the furnace you can find the filter air box.

A furnace filter has one side that allows it to breath fresh air through while the other side traps dust and particles from the air. If an air filter is installed in the wrong direction air will have to pass through the filter via the less porous side. Turn off you hvac system while you are changing your air filter. That s because a dirty and clogged air filter will significantly impair the efficiency of your furnace and air conditioner.

If the filter. 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 most common terms used to describe the air flow configuration are.