Can Dirty Coils Cause Your AC to Freeze in Granite Falls, NC?

If your air conditioner is freezing up during a hot Granite Falls summer, you might wonder, "Can dirty coils cause my AC to freeze?" Understanding the problem and how to resolve it can save you time, money, and discomfort. 

In this guide, learn some basic AC troubleshooting tips and coil maintenance tips to keep your system running smoothly. Check out our AC maintenance services in Granite Falls, NC, for comprehensive solutions.

How Dirty AC Coils Lead To Freezing

When it comes to the top AC freezing causes, dirty coils reign supreme. Your air conditioner transfers heat from inside your home to outside air. The coils, specifically the evaporator coils, absorb the heat.

However, when these coils become dirty, they can’t absorb heat effectively. This causes the air conditioner to overwork, leading to too much refrigerant cooling, and eventually causes the unit to freeze.

The dirt buildup on the coils is an insulating barrier, preventing them from doing their job. Over time, the ice buildup can damage the evaporator coil and the compressor, leading to costly repairs. Regular HVAC coil cleaning is crucial to prevent freezing and other malfunctions.

Common causes of dirty coils are:

• Dust and dirt buildup from improper air filter maintenance
• Inadequate airflow due to closed vents or blocked ducts
• Humid environments that encourage mold and algae growth

Maintaining clean coils is essential for a properly functioning air conditioning unit. If you notice any signs of freezing or poor performance, cleaning your coils might be the solution.

Prevent Freezing With Coil Maintenance Tips

Not only can dirty coils cause your AC to freeze, but they can usher in costly repair services. To ensure your system runs efficiently, here are some helpful coil maintenance tips:

• Replace air filters regularly: Clogged filters can reduce airflow, making it harder for your cooling unit to function correctly. Make it a habit to replace your filters every one to three months.
• Schedule regular HVAC maintenance: Have a professional clean and inspect your system at least once a year to ensure it’s running optimally. 
• Ensure proper airflow: Confirm furniture or other objects don't obstruct your vents and ducts. Proper airflow helps prevent the system from overworking and freezing up.
• Invest in HVAC coil cleaning: If you ask, "Can dirty coils cause AC to freeze?" the answer is yes. A professional cleaning service will remove all the dirt and grime accumulating on the coils over time, ensuring they can absorb heat efficiently.

Incorporating these maintenance practices into your routine can help you avoid the hassle and high costs of a frozen air conditioner in Granite Falls.

What To Do If Your Air Conditioning Coils Freeze in Granite Falls

If your air conditioner freezes, there are a few steps you can take before calling for professional help. First, turn off your system to stop it from running and allow it to thaw completely. This will prevent any additional damage while it melts. 

Once the ice melts, check the air filter and replace it if necessary. If the problem persists, it’s likely due to dirty coils, and you may need a professional to clean them.

You can also follow these AC troubleshooting tips to help prevent future freezing issues:

• Check the refrigerant level: Low refrigerant can also cause your unit's coils to freeze. If the refrigerant is low, it may signal a leak, which will require a professional to fix it.
• Inspect the evaporator coils: Dirty coils are a primary cause of freezing, so cleaning them can fix the issue.
• Ensure proper drainage: A clogged drain line can lead to excess moisture in your system, which can also cause freezing.

If you're unsure what's causing the issue, it’s best to contact a professional in Granite Falls who can diagnose and resolve it.

Contact Hickory Heating and Cooling LLC for Air Conditioning Services in Granite Falls

At Hickory Heating and Cooling LLC, we are dedicated to providing top-notch HVAC services in Granite Falls, North Carolina. If you're dealing with a frozen air conditioner, don’t hesitate to ask for help. Our team can assist with everything from regular maintenance to more extensive repairs.



You may wonder, "Can dirty coils cause AC to freeze?" The answer is yes, and regular HVAC coil cleaning and maintenance are key to preventing freezing and ensuring your system stays in top shape. 

We’re here to ensure your cooling system stays calm and efficient all year. If you need assistance, give us a call. We’ll explain the common AC problems. We’re your local experts in keeping your air conditioner running smoothly in Granite Falls.