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Posted On: March 31, 2023
There are several possible reasons why your air conditioner (AC) may be freezing up. Here are some common causes:
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Dirty or clogged air filters: When the air filters are dirty or clogged, it restricts the airflow over the evaporator coils. This can lead to a drop in temperature and cause the coils to freeze.
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Low refrigerant levels: Refrigerant is responsible for absorbing heat from the air. If your AC has low refrigerant levels, it can cause the evaporator coils to become excessively cold and freeze up.
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Blocked or closed-off vents: Blocked or closed vents can restrict the airflow, causing the evaporator coils to get too cold and freeze.
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Faulty blower motor or fan: If the blower motor or fan is not functioning properly, it can result in inadequate airflow over the evaporator coils, leading to freezing.
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Thermostat issues: A malfunctioning thermostat can cause the AC to run continuously or at lower temperatures than necessary, leading to freezing.
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Problems with the condenser unit: Issues with the condenser unit, such as a dirty or blocked condenser coil or a malfunctioning fan, can disrupt the heat transfer process and cause freezing.
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Incorrect AC sizing: If your AC unit is too large for the space it is cooling, it may cycle on and off too frequently, preventing the coils from properly dehumidifying and causing them to freeze.
If your AC is freezing up, it is advisable to turn off the system and allow it to thaw completely before attempting any troubleshooting. It's recommended to contact a professional HVAC technician to diagnose and fix the underlying issue, as they have the expertise and tools to handle air conditioning problems safely and effectively.
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See What Our Customers Are Saying:
Jan 1, 2015
My old furnace had finally broken down for the last time when contacted twintech to have a new furnace installed They were prompt, knowledgeable and very reasonably priced. They did such a great job i tell all my friends and family about this company.
Jan 1, 2015
To whom it may concern, I recently had TwinTech (Greg and Grant Dainty) replace my furnace and service both my gas fireplaces and air conditioning unit. They were professional, courteous and very fair in their pricing. I would gladly recommend TwinTech to anyone needing work done. I can be contacted at 905-626-XXXX.
Jan 1, 2015
My Fiancé and I have relied on Twintech Heating and Cooling now for the better part of the last 10 years. In that time, Greg has installed a furnace, an air conditioner, and a heat-pump at our residence in Toronto. In each instance Greg and his team were a pleasure to deal with. They were courteous and professional throughout the whole process and the quality of their work is first rate. Our experiences have always been extremely positive and we have referred his services numerous times to our friends and family. Without hesitation, I would recommend Greg and TwinTech Heating and Cooling to anyone looking to service or replace their existing heat/AC equipment
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