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Common Causes For An AC Breaking
Posted On: April 19, 2024
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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See What Our Customers Are Saying:
Aug 8, 2025
We are very happy to recommend this company to everyone. Our furnace broke down on Sunday morning. We phoned them and before noon Grant the owner showed up. He worked on the furnace for about a hour not wanting to give up to fix the problem. The furnace was 17 years old. I was the one talking about replacing it. End result was the next day it was all done. On the Sunday Bob came over with heaters to warm up the house. We decided to replace the water heater at the same time. Thanks Grant for the excellent work. Thumbs up.
Aug 8, 2025
Right on time. Explained how to work the HRV in a different way so the house would not be so dry. Changed my whole house water filter for me as well. Friendly, helpful, caring service!
Feb 18, 2025
Very pleased with the professional service that TwinTech Heating and Cooling provided in replacing my furnace. I got several quotes from different service providers. Their price was excellent and they explained the features very well. We are very glad we went with TwinTech and highly recommend their services.
Feb 18, 2025
We were new homeowners in need of a second opinion. TwinTech Heating & Cooling were Amazing and professional. Very knowledgeable and great service all around. Recommend to anyone looking for honest and reliable services. Treated with respect and care. Thank you Greg, Mitch and Bob!
Feb 18, 2025
TwinTech is an excellent and honest company! I called them for a second opinion after being told by another company that I needed to replace my furnace. Turns out this was not the case at all! I did not need a new furnace. TwinTech did not push to make an unnecessary sale and saved me from a huge expense. Bob and Mitch were extremely professional and above all honest! I definitely recommend TwinTech!
Feb 18, 2025
Amazing experience with TwinTech Heating & Cooling! Their team was professional, knowledgeable, and efficient from start to finish. They installed my new furnace quickly and left everything spotless. The technicians took the time to explain everything and made sure I was comfortable with the system before they left. Great customer service and fair pricing. I highly recommend them for anyone needing HVAC services!
Feb 18, 2025
Great experience all around. Bob was sharp and easy to talk to, and Greg handled the installation perfectly. Would hire them again in a heartbeat.
Aug 17, 2024
I returned from vacation to find my AC unit on the Fritz. After calling way too many places I connected with TwinTech. Ive used the company in the past for my furnace so I was happy when I recognized Greg at my front door. Hes great and the service is always top notch. Id highly recommend using twintech for honest, superior service in the Durham region. Thanks!
Aug 13, 2024
I called Twin Tech when my air conditioning stopped working. Greg came over to diagnose the issue - the same day. He was able to diagnose the issue and resolve it quite quickly. Although it was a quick fix, Greg was very thorough in explaining the issue and provided great advice. Not to mention, I felt very comfortable having Greg in my home - which I consider very important when hiring a service provider. Twin Tech will be my go-to from now on. Thank you!!
Aug 12, 2024
Just hired TwinTech Heating & Cooling to do an A/C Unit removal & reinstall to allow for landscaping access on the side of my house, and they were wonderful!
Bob, Greg & Mitch make a great team! Quick appointment times, super knowledgeable, expert troubleshooting capabilities & very customer service oriented.
I would highly recommend them for all of your HVAC needs! Great job guys!!
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