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  • Writer's pictureKrystal Morrell

Spring Cleaning for Your Commercial HVAC System: Preparing Coils for Summer Efficiency

Man opens commercial HVAC unit by removing side panel

As the vibrant hues of spring emerge, it's not just the flowers that need a refresh – your commercial HVAC system does too! With summer just around the corner, now is the perfect time to give your HVAC coils some well-deserved attention. In this article, we'll dive into the importance of spring cleaning for your commercial HVAC coils, step-by-step cleaning techniques, common signs of wear and tear, and when it's best to call in professional help.

Why Spring Cleaning Your Commercial HVAC Coils Matters:

Just as spring revitalizes the world around us, a thorough cleaning revitalizes your HVAC system. Over time, dirt, dust, and debris accumulate on the coils, hindering their ability to transfer heat effectively. This buildup not only reduces efficiency but also puts strain on the entire system, leading to increased energy consumption and potential breakdowns. By cleaning your coils now, you'll ensure your HVAC system operates efficiently throughout the scorching summer months.


Spring Cleaning Techniques for HVAC Coils:

  1. Safety First: Begin by switching off the HVAC system to prevent accidents. Equip yourself with protective gear such as gloves and goggles to shield against debris and cleaning agents.

  2. Accessing the Coils: Depending on your system's configuration, you may need to remove panels or covers to access the coils. Refer to the manufacturer's instructions for safe disassembly.

  3. Removing Debris: Use a soft brush, vacuum with a brush attachment, or compressed air to gently remove surface debris from the coils. Take care not to damage the delicate fins surrounding the coils.

  4. Cleaning Solution: Prepare a mixture of mild detergent and water or opt for a commercial coil cleaner recommended for your system. Apply the solution generously to the coils, allowing it to penetrate and dissolve stubborn buildup.

  5. Rinsing: Thoroughly rinse the coils with clean water to eliminate any remaining residue and detergent. Ensure all cleaning solution is removed to prevent potential corrosion or odors.

  6. Drying: Allow the coils to air dry completely before reassembling the system. Alternatively, use a gentle stream of compressed air to hasten the drying process.

  7. Inspecting Other Components: While the coils are accessible, take the opportunity to inspect other critical components such as fans, belts, and ductwork for signs of wear or damage. Address any issues promptly to prevent further complications.


Signs of Wear and Tear to Watch For:

Regular spring cleaning isn't just about removing dirt – it's also about identifying potential problems early. Keep an eye out for these signs of wear and tear on your HVAC coils:

  1. Corrosion: Prolonged exposure to moisture and debris buildup can accelerate corrosion on the coils, compromising their efficiency and longevity.

  2. Frost or Ice Buildup: If you notice frost or ice forming on the coils, it could indicate issues with airflow or refrigerant levels, necessitating professional attention.

  3. Restricted Airflow: Dirt and debris accumulation can restrict airflow through the coils, reducing cooling capacity and increasing energy consumption.

  4. Unpleasant Odors: Musty or foul odors emanating from the HVAC system may signal mold or bacterial growth, indicating the need for thorough cleaning and disinfection.

  5. Decreased Performance: If your HVAC system struggles to maintain desired temperatures or cycles frequently, it could be a symptom of dirty or inefficient coils.


When to Call a Professional:

While routine maintenance can address many issues, certain situations call for professional assistance:

  1. Severe Damage: If the coils exhibit significant corrosion, physical damage, or leaks, it's crucial to enlist the expertise of a qualified technician for repair or replacement. At Re-Coil our experienced coil technicians can help determine when a repair can be made or when it is time to replace an entire coil.

  2. Refrigerant Handling: Handling refrigerant requires specialized knowledge and equipment. Leave refrigerant-related tasks to certified professionals to ensure compliance with safety regulations and prevent environmental harm.

  3. Complex Repairs: Issues such as motor malfunctions, electrical faults, or system-wide inefficiencies should be addressed by experienced HVAC technicians who can diagnose and resolve the problem effectively.


In conclusion, spring cleaning isn't just for your home – it's essential for maintaining the efficiency and longevity of your commercial HVAC system. By following proper cleaning techniques, staying vigilant for signs of wear and tear, and knowing when to seek professional help, you'll ensure your HVAC system operates smoothly, keeping your commercial space comfortable and energy-efficient throughout the summer and beyond.


Get your commercial HVAC system ready for the summer heat with our custom coils – because a clean coil means a cool space!

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