Which way does a washable furnace filter go?

Which way does a washable air filter go?

Air filters have arrows printed on the sides of them that show you which way they are supposed to be installed. These arrows should be pointing in the direction that air flows through your system, which is away from the supply ducts and (typically) toward the blower.

How do I know if I put my furnace filter in backwards?

So be sure to look for the arrows that are printed on the sides of the filters because they show you which way the filters are supposed to be installed. That arrow must always face toward the furnace and away from the return duct that carries the air in need of heating or cooling.

How do I know which way the airflow is on my furnace?

If you are looking at a furnace filter, find the arrow that indicates the proper air flow direction. That arrow must always face toward the furnace and away from the return duct that carries the air in need of heating or cooling.

Should air filter arrow point up or down?

Make the arrows face the ceiling or wall. If your filter is on the ceiling, the arrow should face the ceiling. If your filter is on the wall, the arrow should face the wall. … All of QualityAirFilters filters come equipped with the arrow for easy installation.

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What happens if you put a furnace filter in upside down?

When a furnace filter is placed backwards, the fibers can’t do their job properly. This means your furnace has to work harder to generate the same air flow, resulting in increased energy costs. Particles are also allowed to build up irregularly, making the furnace working even harder to draw air.

Why are furnace filters directional?

The right furnace filter direction is necessary to effectively trap airborne particles. … The arrow needs to point toward the furnace system and away from the return duct on furnace filters. The side of your filter showing a wire frame should face outward, away from the unit.