7 Reasons Why Your AC Is Freezing

7 Reasons Why Your AC Is Freezing

Are you tired of constantly dealing with a freezing air conditioner during the sweltering heat? If so, you’re not alone. Many homeowners in California have experienced this frustrating problem at some point. But why does it happen, and what can you do to fix it? The experts at Millar Heating & Air are here to help. With over 47 years of experience in AC repair and service, we’ve seen it all when it comes to frozen air conditioning units in Murrieta, CA.

This blog post will cover some common reasons why your air conditioner may be freezing and what you can do to resolve the issue. From low refrigerant levels to dirty air filters, we’ve got you covered. Don’t suffer through another hot summer with a faulty air conditioning system. Contact Millar Heating & Air to schedule a repair today.

Reasons For A Freezing Air Conditioner

  • Low refrigerant levels: Refrigerant is the chemical substance that circulates through your AC unit and removes heat from the air. If your refrigerant levels are low, it can cause the evaporator coils to freeze. Low refrigerant levels can cause leaks in the system or incorrect installation. It is better to have an HVAC professional refill the refrigerant and fix any leaks to prevent them from happening again.
  • Dirty air filters: Dirty air filters can restrict airflow, causing the evaporator coils to freeze. The air filter’s purpose is to trap particles such as dust and dirt from entering your air conditioning system. When the filter becomes dirty, it can no longer trap particles efficiently and can cause the air conditioner to freeze. You should regularly change your air filters and have your AC system cleaned by a professional.
  • Blocked air flow: If the airflow is blocked due to a clogged air filter or other obstruction, it can cause the evaporator coils to freeze. This can be caused by furniture blocking vents, ducts, or dirty air filters. It is necessary to ensure vents and ducts are clear and regularly change your air filters.
  • Faulty evaporator coils: If the evaporator coils are dirty or damaged, it can cause them to freeze. This can result from normal wear and tear or a lack of maintenance. To resolve this issue, you should have your evaporator coils cleaned or replaced by a professional.
  • Thermostat issues: If your thermostat fails to function correctly, it may cause the evaporator coils in your air conditioner to freeze. This can be due to a malfunctioning thermostat or a problem with the wiring. It is recommended to have your thermostat inspected and repaired by a professional.
  • Leaking ducts: If your ducts are leaking, it can cause your AC to work harder to circulate air, leading to the evaporator coils freezing. Damaged or worn ducts can cause this. Hire our professional for AC service in Murrieta, CA, to inspect any leaks in your duct system.
  • Clogged drain lines: When the drain lines are clogged, it can cause water to back up and freeze, which can cause the evaporator coils to freeze as well. An escalation of dirt and debris in the drain lines can cause this. A professional should inspect and clean your drain lines to resolve this issue.

Understanding these common reasons why your AC may be freezing and taking the necessary steps to resolve the issue can ensure your AC runs smoothly and efficiently. If you need further assistance, contact the Millar Heating & Air experts for AC repair in Murrieta, CA.

Get A Professional To Diagnose Your Faulty AC Unit

It’s always best to have a professional diagnose your faulty air conditioner to ensure a proper diagnosis and solution. Hiring a licensed HVAC technician will give you the peace of mind that the problem will be correctly identified and fixed, preventing further damage to your AC unit.

If you suspect your AC unit is freezing or not working efficiently, don’t hesitate to contact the experts at Millar Heating & Air for AC repair and service in Murrieta, CA. We will provide you with a thorough diagnosis and repair, ensuring your AC unit runs smoothly and efficiently.

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