Air Conditioner Filters: Essential Maintenance & Replacement Tips

Maintaining a comfortable home environment largely depends on your air conditioning system’s efficiency. However, one simple yet often overlooked maintenance task is keeping the air conditioner filter clean.  

At Newark-Heath Heating & Cooling, we recognize the vital role clean air and efficient AC units play. We’re here to walk you through the process of maintaining your air conditioner filter and explain the benefits for both your health and HVAC system. 

Why Keeping Your Air Conditioner Filter Clean is Important 

Even if your system seems fine, an unchanged filter can reduce airflow and efficiency. Most filters should be replaced every 30–60 days to keep things running smoothly. Check out the EPA’s Guide to Air Cleaners for pro tips on cleaner indoor air. 

Clean air filters help with the following: 

1. Improved Air Quality 

Air conditioner filters are designed to capture dust, pollen, and other airborne particles. Over time, these can accumulate, reducing the filter’s effectiveness. A dirty filter allows pollutants to re-enter your home, potentially aggravating allergies and respiratory conditions. 

2. Increased Energy Efficiency 

When your filter is clogged, your AC system must use more energy to circulate air, driving up your utility bills. A clean filter promotes unobstructed airflow, enhancing energy efficiency and cutting costs. 

3. Extended System Longevity 

An air conditioning system under strain is susceptible to wear, leading to costly repairs or early failure. Regular maintenance, including filter cleaning or replacement, helps sustain great performance and extends your unit’s lifespan. 

4. Enhanced Cooling Performance 

A clean filter ensures smooth and even airflow, helping your AC cool your home more efficiently. This results in a consistently pleasant indoor atmosphere, particularly during the warmest parts of the year. 

Steps to Clean Your Air Conditioner Filter 

Cleaning your air conditioner filter is a straightforward task that doesn’t require professional services. Follow these steps to ensure your filter remains in optimal condition: 

Step 1: Turn Off the Power 

Ensure your safety by turning off the power to your AC unit either through the switch on the AC itself or at your circuit breaker. 

Step 2: Locate and Remove the Filter 

The filter is usually behind the front panel or inside the air handler. Carefully remove the panel and slide out the filter. If you’re uncertain of its location, refer to your AC manual or reach out to us at Newark-Heath Heating & Cooling for help. 

Step 3: Check the Filter 

After removing, inspect the filter to see if it needs cleaning or replacing. If it’s a disposable filter and appears worn out, it may be time for a new one. Reusable filters can typically be cleaned multiple times before they need replacement. 

Step 4: Clean the Filter 

For reusable filters, follow these cleaning methods: 

– Begin with a vacuum cleaner and a soft brush attachment to eliminate loose dirt from both sides. 

– Submerge the filter in warm water with a mild dish soap. Gently use a soft brush to cleanse away remaining dirt and dust. Steer clear of strong chemicals or high-pressure water to avoid damage. 

– Rinse thoroughly and allow the filter to air dry completely. Only reinstall when it’s fully dry to prevent mold growth. 

Step 5: Reinstall the Filter 

Once clean and dry, return the filter to its correct place, secure any covers, and turn the power back on. Check to ensure your AC is operating correctly. 

How Often Should You Maintain Your Air Conditioner Filter? 

How frequently you clean or replace the filter is influenced by: 

  • Usage patterns: During high usage periods like summer, aim for a monthly cleaning or replacement. 
  • Local air quality: More frequent maintenance might be necessary in areas with high levels of dust or pollen. 
  • Household factors: Larger families or homes with pets might need to change filters more often due to increased accumulation. 

How to Change Your Disposable Air Conditioner Air Filter 

HVAC tech replacing an air conditioner filter.


If you use disposable air conditioner filters in your home, changing them is quick, simple, and makes a big difference in how well your HVAC system performs. If you’ve got pets or a busy household, consider replacing it even more frequently than every 60 days. Here’s a step-by-step guide to changing out your disposable HVAC air filters. 

Regularly cleaning your air conditioner filter is a straightforward yet crucial action to preserve a healthy and efficient home. By adhering to these steps, your AC unit will run smoothly, offering cleaner air, reduced energy bills, and a longer lifespan. 

At Newark-Heath Heating & Cooling, we’re dedicated to helping you achieve a comfortable and efficient household. If you need professional help or additional guidance, don’t hesitate to get in touch with our team. Ensure top air quality and energy efficiency by maintaining a spotless AC filter today! 

You can call Newark-Heath Heating & Cooling today at (740) 212-5849, or schedule an appointment now by clicking here

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