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How to Clean AC Coils

Is your air conditioner struggling to keep up with the summer heat? If you’ve noticed a decline in cooling performance or rising energy bills, dirty AC coils could be to blame. Fortunately, keeping your AC coils clean is easier than you might think. In this guide, we’ll walk you through the process of cleaning AC coils to ensure your system operates at peak efficiency and delivers cool comfort when you need it most. 

Understanding the Importance of Clean AC Coils 

Your air conditioner’s coils play a crucial role in the cooling process. The evaporator coil absorbs heat from indoor air, while the condenser coil releases that heat outdoors. Over time, dirt, dust, and debris can accumulate on these coils, inhibiting heat transfer and reducing efficiency. By regularly cleaning your AC coils, you can improve airflow, enhance cooling performance, and prolong the lifespan of your system. 

Step-by-Step Guide to Cleaning AC Coils 

  • Turn Off Power: Before you begin, turn off the power to your AC system to prevent accidents or injuries. 
  • Access Coils: Depending on your AC unit’s design, you may need to remove a protective cover or access panel to reach the coils. 
  • Inspect for Debris: Carefully inspect the coils for any visible dirt, dust, or debris. Use a flashlight to illuminate hard-to-reach areas. 
  • Clean the Coils: Use a soft brush or vacuum cleaner to gently remove dirt, dust, and debris from the coils. Be careful not to bend or damage the fins. 
  • Apply Cleaner: For stubborn dirt or grime, apply a non-acidic coil cleaner according to the manufacturer’s instructions. Allow the cleaner to penetrate the coils for several minutes. 
  • Rinse Thoroughly: Use a garden hose or spray bottle to rinse the coils with water. Ensure all cleaner and debris are thoroughly flushed away. 
  • Let Dry: Allow the coils to air dry completely before reassembling the unit and restoring power. 

Benefits of Regular AC Coil Cleaning 

  • Improved Cooling Performance: Clean coils facilitate efficient heat transfer, allowing your AC system to cool your home more effectively. 
  • Enhanced Energy Efficiency: A clean AC system operates more efficiently, reducing energy consumption and lowering utility bills. 
  • Extended System Lifespan: By reducing strain on your AC components, regular coil cleaning can help prolong the lifespan of your system and prevent costly repairs. 
  • Better Indoor Air Quality: Clean coils promote better airflow and filtration, helping to remove airborne pollutants and allergens from your home. 

Expert AC Maintenance Near You 

Ready to give your AC system the TLC it deserves? Contact Ultimate Heating & Air at (256)-655-6969 for expert AC maintenance near you! Our skilled technicians are available 24/7 to ensure your coils are clean and your system is running smoothly, so you can enjoy cool comfort without breaking a sweat. Don’t let dirty coils compromise your AC’s performance – schedule maintenance today and beat the heat with confidence! 



How often should AC coils be cleaned? 

The frequency of AC coil cleaning depends on various factors, including your location, usage patterns, and environmental conditions. In general, it’s recommended to clean your AC coils at least once a year to maintain optimal performance and efficiency. However, homes located in dusty or humid environments may require more frequent cleaning, such as every six months. Our expert technicians can assess your specific needs and recommend a suitable maintenance schedule during your AC maintenance service. 

Can I spray my AC unit with water while running? 

While it may seem like a quick solution, spraying water directly onto your AC unit while it’s running is not advisable. Doing so can potentially damage electrical components and pose safety risks. Instead, it’s best to turn off the power to your AC system before cleaning or performing maintenance tasks. Use a gentle stream of water or a spray bottle to rinse the coils, avoiding direct spraying into the unit. For guidance on proper cleaning procedures, consult with our team of professionals. 

What is the best chemical to clean AC coils with? 

When it comes to cleaning AC coils, using the right chemical is crucial for effective results without causing damage. Look for non-acidic coil cleaners specifically formulated for HVAC systems. These cleaners are designed to remove dirt, grime, and debris from the coils without corroding the metal. Avoid using acidic cleaners, as they can eat away at the coils and compromise performance. Our technicians use high-quality coil cleaning products that are safe and effective for maintaining your AC system. 

What is the average cost to clean AC coils? 

The cost of cleaning AC coils can vary depending on factors such as the size of your AC system, the extent of cleaning required, and any additional services needed. On average, professional AC coil cleaning services can range from $100 to $400. However, this cost may be higher for larger or more complex systems, or if additional repairs or maintenance tasks are necessary. For an accurate cost estimate tailored to your specific needs, consult with our team for a consultation and quote. 

Is Simple Green safe for AC coils? 

Simple Green is a versatile cleaning product known for its effectiveness on various surfaces. While it can be used for many cleaning tasks around the home, it’s essential to use caution when using it on AC coils. Simple Green contains surfactants and other ingredients that may not be suitable for all types of metal coils, especially aluminum. Using the wrong cleaning solution can potentially damage your AC coils and compromise performance. For safe and effective coil cleaning, rely on our team of professionals to use the right products and techniques for your AC maintenance needs.