6 Simple & Effective DIY Aircon Cleaning Methods

The 6 DIY methods to clean your AC are:

Article Summary

  • Vacuum Regularly: Use a vacuum cleaner for surface dust on external parts.
  • Air Compressor for Deep Cleaning: Reach internal parts with an air compressor for precise cleaning.
  • Chemical Clean for Tough Dirt: Use chemical cleaners for deep-seated grime and mold.
  • Change Filters Often: Regularly clean or replace filters for better air quality.
  • Clean the Drain Line: Use vinegar to clear and maintain the drain line, avoiding bleach due to its corrosive nature.

For more details on each, please keep reading.

Using a Vacuum Cleaner

Cleaning with a vacuum cleaner is the easiest DIY aircon cleaning method.

Use the vacuum on the AC’s vents, filters, and other accessible areas. This removes surface dust and dirt.

Use a soft brush attachment to gently clean without damaging any parts. Vacuuming once a month helps maintain the unit and prevents heavy buildup.

With an Air Compressor

An air compressor can enhance your aircon cleaning, especially for hard-to-reach areas.

Aim the compressor at the aircon’s ducts, pipes, and fans. These areas often accumulate dust that a vacuum might miss.

Use controlled bursts to dislodge dirt and debris. Avoid continuous high pressure, which can damage sensitive parts.

The compressor’s nozzle allows for precise cleaning, especially in tight spaces inside the aircon.

Cleaning Air Conditioner Coils

Find the evaporator coils, usually inside your aircon’s front panel. Gently brush off dust from the coils. A soft brush or cloth works well.

Mix equal parts of vinegar and water, or use a mild detergent like Dawn with water. Spray or gently apply the solution to the coils.

After letting the solution sit for a few minutes, rinse the coils with water. Be careful not to wet other parts of the aircon.

Allow the coils to dry completely before turning the aircon back on.

Cleaning Air Conditioner Coils with Vinegar and Water

  • Mix equal parts vinegar and water in a spray bottle.
  • Spray the solution onto the coils and let it sit for a few minutes to break down the dirt.
  • Wipe off with a soft cloth.

Cleaning Air Conditioner Coils with Vinegar and Dawn

  • Combine vinegar, a few drops of Dawn, and water in a spray bottle.
  • Apply the mixture to the coils, let it sit, then wipe clean.

DIY Aircon Cleaning with Chemicals

If you want to be more thorough, do chemical cleaning.

Pick a chemical cleaner specifically designed for aircon units. These are formulated to clean without damaging the components.

For a thorough clean, gently dismantle parts of the aircon, like the casing or filters. Always refer to your AC manual for guidance.

Spray or apply the chemical on the coils, fans, and other internal parts. Allow the cleaner to work its magic for the time specified on the product.

After cleaning, rinse the parts with water if the product instructions advise so. Then, let everything dry completely before reassembling and turning on the aircon.

Changing Filters

Regularly changing the aircon filters is key for clean, efficient operation. Here’s how to do it:

  1. Find the filter behind the front panel or in a designated compartment.
  2. Carefully take out the filter. Some models might have clips or tabs securing them.
  3. Clean the filter with water and a mild detergent if it is reusable. Let it dry completely. If it’s disposable, replace it with a new one.
  4. Put the cleaned or new filter back in place. Ensure it fits snugly without any gaps.
  5. Check and clean or change your filters every two to three months or more frequently if you use the aircon often.

Cleaning Drain Line

A clean drain line is essential to prevent water buildup and potential damage. Find the drain line, usually at the bottom of the aircon unit.

Use a wet/dry vacuum to suck out any dirt or debris from the line. This is a straightforward way to clear blockages.

However, there are two more ways that you can use.

Cleaning Drain Line with Vinegar

  • Pour a cup of white vinegar into the drain line.
  • Vinegar helps clear away mildew and mold and prevents future blockages.

Cleaning Drain Line with Bleach

  • While some might use bleach for cleaning, it’s not recommended.
  • Bleach can be corrosive and damage the aircon components.
  • Stick to vinegar or other non-corrosive cleaning solutions.

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