Common Causes For An AC Breaking

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Common Causes For An AC Breaking

Posted On: April 19, 2024

Common Causes For An AC Breaking

Several common causes can lead to an air conditioner breaking down:


Lack of maintenance: Regular maintenance, such as cleaning filters, coils, and checking refrigerant levels, is crucial for the proper functioning of an AC unit.


Neglecting maintenance can cause various issues over time.


Dirty filters: Dirty or clogged filters restrict airflow, reducing the efficiency of the system and potentially causing the evaporator coil to freeze.


Refrigerant leaks: Refrigerant is essential for cooling the air.


If there's a leak in the system, the AC won't be able to cool properly, and the compressor might get damaged due to overheating.


Electrical issues: Faulty wiring, worn-out contactors, or capacitors can cause electrical problems, leading to the AC not turning on or not cooling properly.


Thermostat issues: A malfunctioning thermostat can cause the AC to cycle incorrectly or not turn on at all.


Frozen evaporator coils: This can occur due to restricted airflow, low refrigerant levels, or other issues, resulting in reduced cooling capacity or complete system failure.


Dirty condenser coils: Dirt and debris on the condenser coils can hinder heat transfer, leading to inefficient cooling and potential system failure.


Fan problems: Issues with the fan motor or blades can prevent proper airflow, resulting in poor cooling performance or system overheating.


Drainage problems: Clogged condensate drains can lead to water backup, causing damage to the AC system and surrounding areas.


Age of the unit: Like any mechanical system, air conditioners have a lifespan.


Older units are more prone to breakdowns due to wear and tear.


Regular maintenance, timely repairs, and addressing issues promptly can help prevent many of these common causes of AC breakdowns.



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Flawless transaction. They did exactly what they promised, showed-up on time, cleaned-up, and were highly professional. Highly recommended.

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Salesperson and 2 man installation team were all professional and
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This review is late coming so my apologies to the amazing Twin Tech team! I contacted Dave at Twin Tech for a quote this past Feb (as I was collecting a few) and his recommendation was excellent. From the first meeting with Dave to the team installing the new furnace, not once did i feel uncomfortable . The team were extremely professional yet personable and clean and tidy. Decent companies still exist!
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Our old water tank was installed in 1997. Wasn't working as well as it should so we looked into a tankless as it is more efficient and a space saver! we had used Twintech in the past for a furnace cleaning and were satisfied with that so we decided to ask for a quote for the changeover. Gary arrived and provided the options and the quote fit within our budget so we decide to go with them after receiving a few alternative quotes from other companies. They did what the said would be done and it was completed within a reasonable time frame! Removal and cleanup of the old tank was seamless. We are now enjoying consistent and efficient Hot water! I recommend Twintech and would use them for future projects!

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One of the most honest HVAC companies out there! Dave was very helpful and informative in helping us choose a new AC unit. While they weren’t the lowest quote, we went with them because we trusted Dave and he was the most honest guy out of the companies that quoted us.
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