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The Problems From Damaged Air Conditioner Fins

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Air conditioner fins may seem like a minor component of your cooling system, but they play a crucial role in its overall performance and efficiency. This is especially true during the Westlake, OH, summer months. Fins help dissipate heat and facilitate the transfer of cool air. However, they can become damaged due to various reasons, leading to problems that can affect the functionality and longevity of your air conditioner.

What are some of the problems that can arise from damaged air conditioner fins? Let’s take a look.

Reduced Airflow From Your AC

Bent or crushed fins hinder the smooth passage of air, reducing the amount of cool air that reaches your living space. Restricted airflow puts extra strain on the air conditioner unit, causing it to work harder and less efficiently. As a result, you may experience reduced cooling performance, longer cooling cycles, and increased energy consumption. Additionally, restricted airflow can lead to uneven cooling, with certain areas of your home being cooler than others.

Decreased AC Efficiency

Fins are designed to maximize heat exchange by increasing the surface area through which heat is transferred. When the fins are damaged, this efficiency is compromised. Bent or flattened fins reduce the contact area between the air and the evaporator or condenser coils, resulting in decreased heat transfer. As a result, your air conditioner has to work harder to achieve the desired cooling effect, leading to higher energy bills and a reduced lifespan of the unit.

Ice Build-Up

Another problem caused by damaged air conditioner fins is ice build-up on the evaporator coils. Restricted airflow due to bent or damaged fins prevents warm air from reaching the coils, causing them to become excessively cold. This can lead to condensation freezing on the coils, forming a layer of ice. Ice build-up reduces the efficiency of the cooling process and further restricts airflow. If left unaddressed, it can lead to more severe issues, such as compressor damage or a complete system breakdown.

System Overheating

As the airflow is impeded, heat absorption and dissipation become less effective. Heat produced  by the air conditioning unit cannot be released into the surrounding air properly. This can cause the system to run at higher temperatures. Over time, prolonged overheating can lead to component failures, including the compressor, which is an important and expensive part of the air conditioning system.


Gently straighten bent fins using a flathead screwdriver. Be careful not to apply too much force, as it can cause further damage. Clear any debris, such as leaves or dirt, that may be obstructing the fins and restricting airflow. Use a soft brush or a vacuum cleaner to remove the debris. If this does not correct the issue, it’s time to contact a professional.

Damaged air conditioner fins can cause a range of problems, including reduced airflow, decreased efficiency, ice buildup, and system overheating. Regular maintenance and professional inspections can help identify and resolve fin-related issues before they lead to more significant complications.

Contact Westland Heating, Air Conditioning and Plumbing today to schedule your appointment and get your AC working properly again!

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