DIY Guide: How to Clean Your Air Conditioning Unit for Improved Efficiency and Lifespan

By Digi2L - March 18, 2023

Blogs> DIY Guide: How to Clean Your Air Conditioning Unit for Improved Efficiency and Lifespan

DIY Guide: How to Clean Your Air Conditioning Unit for Improved Efficiency and Lifespan

When it comes to keeping your air conditioning unit running smoothly, regular maintenance is key. One of the most important maintenance tasks you can do is cleaning the AC unit. While it’s always best to have a professional HVAC technician clean your unit, if you’re confident in your DIY skills, you can clean your AC at home.

Here are some things to keep in mind while self-cleaning your AC:

Turn off the power: Before you start cleaning your AC, make sure to turn off the power to the unit. This will ensure that you don’t accidentally damage any electrical components while cleaning.

Clean the air filter: The air filter is one of the most important components of your AC unit. It collects dust and other particles from the air, which can reduce the efficiency of your unit. Remove the air filter and clean it with soap and water or replace it with a new one if it’s too dirty or damaged.

Clean the evaporator coil: The evaporator coil is responsible for absorbing heat from the air, so it can become dirty over time. Use a soft brush or a vacuum cleaner with a soft brush attachment to gently clean the evaporator coil. Be careful not to damage the delicate fins on the coil.

Check the condenser coil: The condenser coil is located outside and can become dirty from debris such as leaves and dirt. Use a garden hose to gently spray the condenser coil from the inside out to remove any debris.

Check the fins: The fins on the evaporator and condenser coils are delicate and can become bent or damaged easily. Use a fin comb to straighten any bent fins to ensure that air can flow freely through the coils.

Clean the fan blades: The fan blades can also become dirty and reduce the efficiency of your unit. Use a soft cloth or brush to clean the fan blades and ensure they’re free from any debris.

Check the drainage: Make sure that the drainage system is clear and free from any blockages. Use a vacuum or a pipe cleaner to remove any dirt or debris from the drain line.


In conclusion, self-cleaning your AC unit can help improve its efficiency and prolong its lifespan. However, if you’re unsure about any of the cleaning steps, it’s best to consult with a professional HVAC technician to ensure that your unit is cleaned properly and safely.

Image by vectorjuice on Freepik

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