Frozen AC Coils and HVAC System Shutdowns? Book Our HVAC Repair Services
AC repair for frozen coils
Are your air conditioning coils covered in ice and causing your system to shut down? Our experienced technicians can fix the issue and restore your system’s performance. Learn more about our reliable HVAC repair services.
“They were prompt, on time, and communicated well. Completely hassle-free to deal with and were honest. Their prices are fair and reasonable. There is no sales pitch or pressure. Jimmy is great at telling you exactly what is going on and what your best options are.”
Kailyn C.
Happy customer
“They were prompt, on time, and communicated well. Completely hassle-free to deal with and were honest. Their prices are fair and reasonable. There is no sales pitch or pressure. Jimmy is great at telling you exactly what is going on and what your best options are.”
Kailyn C.
Happy customer
Common Causes of Frozen AC Coils
Frozen air conditioner coils are a common issue that can cause your system to stop working altogether. This problem is often caused by restricted airflow or refrigerant issues. Addressing these causes promptly can help avoid long-term damage to your AC system and maintain a comfortable indoor environment.
Dirty Air Filters
Clogged air filters restrict airflow, causing the evaporator coils to freeze. Replacing filters regularly can prevent this issue and improve overall system performance.
Low Refrigerant Levels
Insufficient refrigerant causes pressure drops, leading to ice buildup on the coils. A technician can check for leaks and refill refrigerant to restore the system.
Blocked Air Vents
Obstructed vents or registers disrupt airflow, leading to frozen coils. Ensuring all vents are open and unblocked can help maintain proper circulation.
Fan or Blower Issues
Malfunctioning fans or blowers can prevent adequate airflow across the coils, causing them to freeze. Professional repair may be required to resolve the issue.
Thermostat Problems
Thermostats set too low or not working correctly can overwork your system, contributing to frozen coils. A calibrated or upgraded thermostat can help maintain optimal operation.
How to Address Frozen AC Coils
Before calling a professional, try these simple troubleshooting steps to address frozen coils. While some issues can be resolved at home, persistent problems may require expert attention.
Turn Off the System
To prevent further damage, switch off your AC and let the ice melt completely. Running the system with frozen coils can cause more serious issues.
Check Air Filters
Inspect and replace dirty air filters to improve airflow and reduce the chances of freezing. This is an easy and effective first step.
Inspect the Condensate Line
A clogged condensate line can lead to ice buildup. Clearing the line can help restore normal operation and prevent further freezing.
Check for Blockages Around the Unit
Ensure there are no obstructions near the outdoor unit, such as plants or debris, to maintain adequate airflow.
Adjust the Thermostat
Raise the temperature slightly to reduce strain on the system. If the problem persists, it may indicate a deeper issue.
When to Contact an AC Company for Frozen Coils
If your AC system continues to experience frozen coils despite troubleshooting, it’s time to call a local HVAC repair company. Ignoring this issue can lead to costly repairs and long-term system damage.
Recurring Freezing
If the coils freeze again shortly after thawing, professional service is needed to identify and fix the root cause.
Water Leaks Around the Unit
Excess water from melted ice can indicate a deeper issue, such as a clogged drain or refrigerant problem.
Unusual Noises
Loud or unusual sounds coming from the unit may signal fan or motor issues contributing to frozen coils.
Weak Airflow
Insufficient airflow from your vents may indicate problems with fans, blowers, or ductwork. A technician can evaluate and repair the system.
Ice Persisting on Coils
If ice remains on the coils despite proper troubleshooting, a professional inspection is necessary to prevent further damage.