How to Clean AC Coils

When the summer heat starts to bear down on us, our trusty air conditioners become our best friends. However, regular maintenance is vital to ensure they keep us cool and comfortable.

One essential maintenance task is cleaning your AC coils. Clean coils mean better performance, improved energy efficiency, and a longer lifespan for your air conditioning unit.

In this guide, we'll walk you through the steps to clean your AC coils like a pro.

Why Clean AC Coils?

Before we dive into the cleaning process, let's understand why cleaning your AC coils is so crucial.

Air conditioning systems have two sets of coils: the evaporator coils (located indoors) and the condenser coils (located outdoors). These coils transfer heat, helping to cool the air in your home.

Over time, they can accumulate dirt, dust, and debris, which hinder their ability to function effectively. This can lead to reduced cooling efficiency and higher energy bills.

Materials You'll Need:

  1. Screwdriver
  2. Hose with a spray nozzle
  3. Fin comb or brush
  4. Coil cleaner solution
  5. Bucket
  6. Safety goggles and gloves
  7. Old towels or rags

Step-by-Step Guide to Clean AC Coils:

1. Safety First:

Before you begin, ensure your safety by turning off the power to your AC unit. Locate the circuit breaker or disconnect switch and switch it off.

2. Remove Debris:

  • Use a screwdriver to remove the access panel on your outdoor condenser unit or indoor evaporator unit.
  • Check for and remove any visible debris like leaves, twigs, or grass clippings.

3. Spray Coils with Water:

Use a hose with a spray nozzle to gently spray water from the inside out on the coils. This helps loosen dirt and dust.

4. Apply Coil Cleaner:

  • Follow the manufacturer's instructions for the coil cleaner solution. Mix it with water in a bucket as directed.
  • Use a soft brush or a fin comb to apply the solution to the coils, starting at the top and working your way down. Be gentle to avoid damaging the coils.

5. Let it Sit:

Allow the coil cleaner solution to sit for the recommended time (usually 10-15 minutes) as indicated on the product label.

6. Rinse Thoroughly:

Rinse the coils thoroughly with the hose, spraying from the inside out. Ensure all cleaners and debris are washed away.

7. Clean the Drain Pan (if applicable):

If you have an indoor evaporator unit, check the drain pan for algae or mold growth. Clean it using a mixture of water and mild detergent. Rinse thoroughly.

8. Reassemble and Restore Power:

  • Reattach the access panel to the unit and secure it with screws or fasteners.
  • Turn the power back on by flipping the circuit breaker or reconnecting the disconnect switch.

9. Inspect the Coils:

After cleaning, inspect the coils to ensure they are clean and free from any remaining dirt or debris.

10. Regular Maintenance: - Schedule regular maintenance, including coil cleaning, with a professional HVAC technician to keep your AC unit in top shape.

By following these steps, you can keep your AC coils clean and ensure your air conditioner performs efficiently, keeping you comfortable throughout the summer months.

Remember, regular maintenance not only saves you money on energy bills but also extends the lifespan of your cooling system. So, give your AC some love, and it will keep you cool for years to come.

If you're not comfortable performing this maintenance yourself, it's best to hire a professional HVAC technician to handle this ac cleaning task for you.