The role of air conditioner filters

Almost every air conditioning system has a filter upstream of the evaporator coil, which can be in the return grille or in special slots located at the duct system and can be a fuzzy-looking or a folded paper filter. This get rids of particles from the air stream to both maintain the air conditioning system dirt free and to eliminate particles from the air.

As the filter performs, it’s loaded increasingly with particles, which affects its efficiency, amplifies resistance and reduces airflow. Filter should be changed if this happens, depending on how dirty the air is and how big the filter is.

Without changing the filter, the air flow drops, and the system does not work properly. Filthy filter can be a source or air pollution.

Removing the filter completely would solve the low air flow problem but short lived. The particles that the filter would have taken build up on the evaporator coil and eventually cause a failure. A new filter is a lot inexpensive.

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