How to Extend Your AC Unit's Lifespan: Cleaning Tips and Best Practices

Nov 07, 2023

4 mins
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Despite advancements in air conditioner technology, the reality is that air conditioners have a set lifespan. Air conditioners typically last for 15 to 20 years, and this longevity depends on various conditions, including the normal wear and tear of mechanical parts. For instance, improper AC sizing and installation can shorten the unit’s overall lifespan because the aircon can’t work as efficiently as it should.



One way to ensure your aircon lasts its intended lifespan is to keep it properly maintained. Maintenance routines make a difference in how long your AC lasts and prevent premature damage. Proper AC maintenance doesn’t just let you enjoy the benefits of aircon cleaning, but it also helps your aircon last longer.

And while DIY aircon cleaning certainly helps, there are specific procedures that are better left to the experts. Certified AC technicians have the appropriate equipment and gear needed to safely and properly clean different aircon parts. Getting your aircon professionally serviced at least once a year ensures that it lasts as long as intended.

Below, we’ve listed the most important cleaning procedures AC technicians can do on your AC unit and some benefits of aircon cleaning.

Routine AC Cleaning Procedures


Clear debris

Dirt and small pieces of debris can build up inside the unit over time, especially in the coils and the blower fan. This accumulation of debris can affect airflow. A technician can use a pressurized washer to remove dirt build-up from the aircon and ensure a more efficient cooling performance. This ensures that each part of the AC unit can work as efficiently as possible.

Clean the exterior AC unit

Typically, AC technicians will also check the outside AC unit to remove dust and debris stuck to its surface. AC professionals can ensure that the exterior AC unit is thoroughly and properly cleaned. This is particularly important if the outside unit is installed near plants or if you live in an area with heavily polluted air.

Unclog drain lines

Sometimes, drain lines can be clogged by a gel-like substance, which can cause leaking. Certified aircon technicians have the equipment for removing such clogs; they can use pressurized water or nitrogen gas to flush the lines.

Cleaning the sensors

Over time, your AC’s sensor could also become corroded or suffer from a buildup of dust. AC technicians can check and clean your aircon’s sensor to ensure there is no debris that could interfere with its functions.

Check for refrigerant leaks

Professional AC cleaners typically have the tools and equipment needed to test for refrigerant leaks. They can also top up refrigerant levels if needed, so you can rest assured that your AC continues to pump cool air into the room.


Clean AC coils

Like the filter, dirt can build up inside the coils and cause the aircon to work harder than it has to. AC technicians can efficiently clean and unclog the coils without damaging them.


Clean Air Ducts

Over time, your AC’s ducts accumulate dust, dirt, and debris. Professional AC cleaners can check the ducts and remove any dust or dirt so clean, cool air can blow right through the ducts and into your space. This also ensures that your aircon runs at peak efficiency.


Seal Air Ducts Properly

If your AC system uses ducts to distribute cool air, you also want to have the ducts checked to ensure there are no leaks. A significant amount of air can be lost due to leaks and other holes in the duct system. This can also result in higher energy consumption for your AC, since you have it keep it running for longer to cool down your room.

As such, it’s a good idea to have AC technicians periodically check if your AC system’s ducts are intact.

Smart Thermostat Setting

If you’re not at home but wish your a/c to remain on, keep it at a higher temperature and set it on auto. A well-thought-of setting will fulfill its goal of keeping your home comfortable and yet, remain cost smart.

Check System Controls

Professional AC technicians also verify that all system controls work so the cooling process runs when it should.


General Tips for Extending Aircon Lifespan

Aside from hiring professionals to clean the aircon, there are some things you can do to keep your AC in the best shape. Here are some easy tips you can follow:

  • Clean your AC filters twice a month. With a vacuum and some soapy water, you can remove dust and debris from your aircon’s filter.
  • Reduce the load on your aircon. You can keep your AC from working too hard by using a lower power setting and using it alongside appliances like fans, blackout curtains, and smart blinds.
  • Use the auto fan speed setting. Use your aircon’s auto fan speed so the AC fan adjusts its speed according to your desired temperature. When the AC fan is always on its highest setting, the aircon becomes prone to overworking and consumes too much energy.

Making The Most of Your AC’s Lifespan

How often do you need to clean aircon components? We recommend having your aircon unit professionally serviced at least every six months to ensure that every component is in good working condition. This maintenance schedule is crucial if you use your aircon for 8 to 10 hours daily on average.

It’s also a good idea to have AC technicians check your unit before summertime rolls around. This way, you can make sure your aircon is ready to keep you comfortable even during the hottest days.

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