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Why Does My AC Keep Shutting Down?
Posted On: June 25, 2024
If your air conditioning (AC) system keeps shutting down, it could be due to several reasons. Here are some common causes to consider:
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Thermostat Issues: Check if the thermostat is functioning correctly. It could be set too low, or there may be a malfunction causing it to shut off prematurely.
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Dirty Air Filters: Clogged filters can restrict airflow, causing the system to overheat and shut down. Make sure to replace or clean the filters regularly.
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Electrical Problems: Issues such as faulty wiring, a tripped breaker, or a blown fuse can cause the AC to shut down. It’s essential to check your electrical panel and connections.
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Refrigerant Leaks: Low refrigerant levels due to leaks can cause the AC to freeze up or fail to cool properly, leading to shutdowns. A professional should check for leaks and recharge the refrigerant.
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Overheating: If the AC unit is overheating, it may have a problem with the compressor, condenser, or another component. This could be due to poor ventilation or a malfunctioning part.
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Faulty Capacitor or Relay: The capacitor or relay may be malfunctioning, preventing the AC from starting or causing it to shut off unexpectedly. These components often need to be replaced by a technician.
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Sensor Issues: Problems with sensors, such as the temperature sensor, can lead to the system shutting down. Ensure that the sensors are clean and correctly positioned.
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Drainage Problems: A clogged drain line can cause water to back up, leading to shutdowns. Check the drainage system and ensure it is clear.
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System Age: Older units are more prone to breakdowns. Consider whether your system is due for replacement if it’s frequently shutting down.
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Blocked Vents or Registers: Ensure that all vents and registers are open and unblocked to allow proper airflow throughout your home.
If you’ve checked these issues and your AC still keeps shutting down, it’s best to call a licensed HVAC technician to diagnose and fix the problem. They have the tools and expertise to address more complex issues safely.
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See What Our Customers Are Saying:
Apr 28, 2022
I left a live chat message on their website that my air conditioning was not working. Within 1hr a representative called me to discuss my options.
The next day he came to the house to review my needs and give me a price for a new system. Price quoted was less than I expected and the installation was completed the following day. I found their salesman and the installers very knowledgeable and easy to deal with. All my questions were answered. Everything was properly explained in regards to what unit was needed and why, along with instruction where needed for use.
The installers made sure everything was working properly before they left.
Apr 28, 2022
This is to thank Twintech Heating and Cooling for their exceptional and timely service. Mitch, their technician was very courteous and generous with his time right from his first meeting with us. He not only took the time to check everything but also educated us on why we needed what he recommended. Greg and Mitch graciously accommodated us on our requested day and time for job to be done. They were both very courteous and responsive to our needs and special requests especially in a tight spot. The job was finished neatly and on time. Thank you Twintech for your great service !
Apr 28, 2022
They came the day and time they had planned for us and were very fast and efficient! The AC works amazing and it is amazing during the heat of the summer we have already got! Thanks for everything you did for us!
Apr 28, 2022
Would recommend this company to friends and family in a heartbeat. Very professional , on time and left no mess when the job was done.
Apr 28, 2022
Great customer service. Responsive and professional. I would highly recommend Twintech, I used them previously for repair service and a new air conditioner- very satisfied.
Apr 5, 2022
Our air conditioner failed. Made a call and within 15 min a technician was at our door.
The issue was fixed and many suggestions were provided.
Thanks to Mitch. Great service !
Apr 5, 2022
Our furnace was rattling, as soon as we put our air conditioner on this past week. We had researched looking for a company that was Registered with Better Business Bureau, and this company TwinTech, had A+ Rating. Scott, was immediately helpful via text/phone and sent his technician as soon as he was able...Mitchell/technician provided great professional service. Thank you TwinTech.
Sean and Debbie
Apr 5, 2022
I contacted various companies when looking to install a new furnace and I found Twintech to be transparent with their communication and approach. They had options to suit my various requirements and the price vs quality was very good. The after installation communication was also very good and they answered all queries I had.
Apr 5, 2022
My furnace broke down last month. The team was quick to respond, courteous, professional and mindful of COVID-19 concerns. I highly recommend them if you are considering replacing or servicing your HVAC equipment.
Apr 5, 2022
I was very happy with the installation and price. I would definitely recommend. Thank you Twintech.
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