Clean Air Filter Keeps Home Cool

The Vital Role of an Air Filter in an HVAC System

July 10, 2022

Air filters are a relatively inexpensive part of maintaining your HVAC system in Westernport, MD. It’s easy to forget about them because they aren’t often seen in your home. Read on to learn how vital the role of an air filter is in an HVAC system and why you should change yours every month.

Protects Internal Components

Your filter removes any airborne contaminants before the air enters your HVAC system. This prevents them from collecting on sensitive internal components like the heat exchanger and evaporator coil. Circulating air left unfiltered lets these contaminants invade your system, reducing your system’s efficiency and operational life.

Maintains HVAC Efficiency

When airborne contaminants collect in your system, they create airflow restrictions. These restrictions happen at the circulating fan, heat exchanger, evaporator and in the air ducts. These restrictions result in reduced HVAC efficiency, driving up your heating and cooling costs.

Improves Air Quality

Air quality around your home is critical to both your health and your HVAC system’s operation. Poor air quality causes aggravated allergy and asthma responses, making you more susceptible to illness. Poor air quality also increases the amount of cleaning needed around your home and the strain on your HVAC system.

Reduces HVAC Wear

The extra strain from airflow restrictions translates into excessive wear on critical parts like the heat exchanger and compressor. A properly maintained air filter helps prevent airflow restrictions, reducing the need for heating and AC repairs.

When to Change Your Filter

Your HVAC system’s manual is a great starting point for understanding the recommended filter changing schedule. However, what your system actually needs may vary depending on air quality. Plan to check your filter monthly and change it when it becomes visibly dirty.

Your filter is the easiest part of maintaining your HVAC system, but it requires more to operate effectively. Call to schedule your heating or AC maintenance with the expert service technicians at Cumberland Valley Heating & Air Conditioning today.

Image provided by iStock

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