Why Your Air Conditioner Freezes and How to Fix It

During the hot summer months, your air conditioner is a vital appliance that helps keep your home cool and comfortable. However, if you notice that your air conditioner is freezing up, it can be a cause for concern. A frozen air conditioner not only fails to cool your home effectively but can also lead to potential damage to the unit if left untreated.

There are several reasons why an air conditioner may freeze up. One common reason is restricted airflow. When there is not enough airflow over the evaporator coils, they can become too cold and freeze. This can be caused by dirty tempe air conditioning repair filters, blocked vents or ducts, or a malfunctioning blower fan. It’s important to regularly clean or replace your air filters and ensure that all vents and ducts are clear of obstructions to prevent this issue.

Another possible cause of a frozen air conditioner is low refrigerant levels. Refrigerant plays a crucial role in the cooling process, absorbing heat from inside your home and releasing it outside. If there is a leak in the refrigerant lines or if the system was improperly charged during installation, it can lead to low refrigerant levels which can cause the coils to freeze.

In some cases, a malfunctioning thermostat could also be the culprit behind a frozen air conditioner. If the thermostat is not functioning properly, it may not signal the unit to cycle off when it reaches the desired temperature setting. This constant running of the system can cause excessive cooling and eventually lead to freezing of the coils.

To fix a frozen air conditioner, start by turning off the unit and allowing it to thaw completely before attempting any repairs. Once thawed, check for any visible signs of damage such as leaks in the refrigerant lines or clogged filters. If you suspect low refrigerant levels are causing the issue, contact a professional HVAC technician to inspect and recharge your system.

If restricted airflow seems to be causing your air conditioner to freeze up, make sure all vents are open and unobstructed and replace any dirty filters with new ones. You should also check for any blockages in ductwork that could be hindering proper airflow through the system.

Lastly, ensure that your thermostat is functioning correctly by testing its accuracy with an independent thermometer placed near it while running your AC unit on for some time at different temperature settings.

By addressing these common causes of a frozen air conditioner promptly and taking preventive measures such as regular maintenance checks and cleaning tasks like changing filters as recommended by manufacturers manual will help keep your AC running smoothly throughout those scorching summer days ahead without facing unexpected issues like freezing up again!

FACT HVAC
1000 E Vista Del Cerro Dr, Tempe, AZ, 85281
480-276-4658