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What Are The Risks of a Dirty Air Conditioning Filter?

Acting as a line of defense between your lungs and various harmful chemicals that are mixed with the air you breathe indoor, air filters are one of the most important components of your HVAC system. If not properly maintained, it might affect the overall performance and efficiency of the system and may cause you to suffer from respiratory problems.

Here are the possible risks of having dirty air filters:

Poor Indoor Air Quality

The air filters are responsible for trapping dust, dirt and other airborne particles that are mixed in the air inside the system. If you fail to replace or clean your air filters regularly, the particles trapped in it will be blown indoor once you start to run your system. This can trigger asthma, allergies and breathing difficulties especially to those members who are prone to respiratory problems. Dirty air filters can also hinder the dehumidifier from functioning properly, allowing mold and mildew to accumulate.

Obstructed Air Flow

Dirty air filters hinder the proper flow of air. As results, too much strain is given to the unit. If this continues, the system may overheat or completely break down.  An even worse scenario is the risk of ventilation fire which can bring great damage not just on your heating and cooling system but to your entire home as well. Obstructed air flow due to dirty air filters can also lead you to expensive repairs of components especially when it is already causing ice formation on the systems.


When the filters are clogged with dirt and dust, your system will find it hard to pull fresh air through the other side causing it to be less efficient in its performance while consuming too much energy in the operation. Clean air filters regularly to drop down on your utility cost while enjoying best comfort from your heating and cooling system.


Your air conditioning unit cycles on and off occasionally as part of its normal operation. But, if the air filters are dirty and cause obstructed airflow, short cycling may happen more frequently than the normal rate. This leads to uncomfortable temperature changes and a high energy bill.

Fortunately, air filter replacement is one of the easiest maintenance procedures that you can do by yourself. But if you are not sure where your air filter is located or what type of replacement to use, do not hesitate to call the experts at All-A-Round Air Conditioning, Heating & Refrigeration, LLC. We can help!

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