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How to Clean Air Conditioner Fins Inside?

Published in Air Conditioning Maintenance 2 mins read

To clean the air conditioner fins inside, you'll need to spray them with a cleaning solution, let it sit, and then rinse thoroughly.

Here's a step-by-step guide:

  1. Gather Your Supplies:

    • Spray bottle
    • Detergent (dish soap works well) or a dedicated coil cleaner (available at hardware stores)
    • Water
    • Garden hose
    • Spray nozzle for your garden hose
  2. Prepare the Cleaning Solution:

    • Mix a mild detergent with water in your spray bottle. Follow the dilution instructions on the detergent if available. Alternatively, use a commercially available coil cleaner according to the manufacturer’s directions.
  3. Spray the Fins:

    • Thoroughly spray the cleaning solution all over the inside of the air conditioner fins. Ensure you cover the entire surface to loosen all the dirt and debris.
  4. Let it Sit:

    • Allow the detergent or coil cleaner to sit on the fins for 5 to 10 minutes. This will give it time to penetrate and loosen the grime.
  5. Rinse the Fins:

    • Attach the spray nozzle to your garden hose.
    • Rinse the fins thoroughly from the inside out. Make sure to remove all traces of the cleaning solution and dislodged dirt.

Important Considerations:

  • Safety: Disconnect the power to the air conditioner before you start cleaning. This will prevent electrical shock.
  • Gentle Handling: The fins are delicate and easily bent. Avoid using excessive force when spraying or rinsing.
  • Coil Cleaner: While detergent and water can work, coil cleaner is specifically designed for this purpose and may provide better results. Always follow the manufacturer's instructions.
  • Regular Cleaning: Regularly cleaning your air conditioner fins will improve its efficiency and prolong its lifespan.
  • Consider a Professional: If the fins are heavily soiled or damaged, consider hiring a professional air conditioning technician to clean or repair them.

By following these steps, you can effectively clean your air conditioner fins and improve its performance.

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