If your air conditioning unit is freezing up, it can be a frustrating problem. Not only is it uncomfortable to be in a cold house, but it can also damage your AC unit and lead to costly repairs.

There are a few reasons why your air conditioning unit might be freezing up. Here are some of the most common causes:

Low refrigerant levels

Refrigerant is the fluid that circulates through your air conditioning unit and absorbs heat from the air inside your home. If the refrigerant levels are low, the unit cannot cool your home effectively and may even freeze up.

Dirty filters

Dirty filters can restrict airflow through your air conditioning unit, which can also lead to freezing. Make sure to change your air filters regularly, according to the manufacturer’s instructions.

Blocked vents

Blocked vents can also restrict airflow and cause your air conditioning unit to freeze up. Make sure that all of the vents in your home are unobstructed.

Overcrowded coils

If the coils in your air conditioning unit are overcrowded, it can also lead to freezing. Make sure that there is enough space around the coils for air to circulate freely.

Faulty thermostat

If your thermostat is not working properly, it can send the wrong signal to your air conditioning unit, which can lead to freezing. Make sure that your thermostat is properly calibrated.

Leaky ducts

Leaky ducts can cause your air conditioning unit to work harder than it should, which can lead to freezing. If you have leaky ducts, they should be repaired or sealed as soon as possible.

Improper installation

If your air conditioning unit was not installed properly, it may be more likely to freeze up. If you are not sure whether your unit was installed properly, you should have a qualified technician inspect it.

Extreme weather conditions

If there are extreme weather conditions, such as very hot temperatures, your air conditioning unit may be more likely to freeze up. If you live in an area with extreme weather conditions, you should take steps to protect your air conditioning unit, such as having it serviced more frequently.

If your air conditioning unit is freezing up, you should try to identify the cause of the problem and fix it as soon as possible. If you are not able to fix the problem yourself, you should have a qualified technician do it for you.

Preventing Your Air Conditioning Unit from Freezing Up

There are a few things you can do to prevent your air conditioning unit from freezing up:

  • Change your air filters regularly.
  • Keep the vents in your home unobstructed.
  • Make sure that there is enough space around the coils for air to circulate freely.
  • Have your thermostat calibrated regularly.
  • Repair or seal any leaky ducts.
  • Have your air conditioning unit serviced regularly.
  • If you live in an area with extreme weather conditions, take steps to protect your air conditioning unit.

Following these tips can help keep your air conditioning unit running smoothly and prevent it from freezing up. However, if you’ve done all you can by checking the vents, changing the air filters, and any other troubleshooting, and there is still a problem, be sure to reach out to us here at A-1 Guaranteed Heating & Air, Inc. We’re available to help with all of your HVAC needs and more. Contact us today and schedule your appointment now.