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aircon maintenance singapore

Table of Contents

Your aircon unit is fundamental in keeping your house pleasant and relaxed. Yet, like any other mechanical device, your air conditioner needs regular maintenance to perform correctly and survive for many years.

You don’t have to be an expert to keep your device working well. We’ll walk you through all you need about air conditioning maintenance with our thorough guide.

We’ve covered everything from basic cleaning and maintenance to fixing frequent issues. So please take a seat, relax, and let’s begin your road to a healthier, happier house with proper aircon maintenance

Aircon System Maintenance


Aircon maintenance systems have changed through time and are now an essential component of every house or workplace. An intelligent air conditioning system may minimise adverse circumstances in your location and provide you and your family with a clean, pleasant living space.

An aircon system contains multiple components that function together, and it, like other equipment, requires routine maintenance since numerous things may go wrong with it. Yet failing to respond quickly might lead to more expensive issues.

This blog post aims to teach you about what you may do and when you should call in the professionals for aircon maintenance. One important component of aircon maintenance is inspecting the air conditioning unit—and the beginning of summer is the ideal time to do it.

Here’s an aircon maintenance checklist to help you keep your aircon unit in good working order.

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Aircon System Maintenance Checklist 


#1: Change Aircon Filters

The most crucial maintenance chore for ensuring the performance of your aircon is to change or clean its filters regularly. Filters that are clogged or unclean restrict airflow and severely diminish system efficiency. Furthermore, when airflow is restricted, dirt might skip the filter and enter the evaporator coil, impairing the coil’s heat-absorbing ability. Replacing a dirty filter with a clean one will reduce the energy usage of your air conditioner.

Filters for central aircon are typically positioned anywhere along the return duct’s length. Filters are commonly found in walls, ceilings, or the air conditioner.

#2. Inspect the air conditioner coils

An air conditioner’s evaporator and condenser coils accumulate dirt over months and years of operation. A clean filter keeps the evaporator coil from becoming dirty. Nonetheless, the evaporator coil will continue to acquire dirt over time. This dirt restricts airflow and insulates the coil, diminishing its capacity to absorb heat. To avoid this issue, inspect and clean your evaporator coil once a year.

If the external environment is dusty or greenery is around, outdoor condenser coils can become exceedingly unclean. You can examine the condenser coil and see if dirt has accumulated on its fins.

#3. Examine and disinfect the evaporator coil

The evaporator coil is integral to your air conditioning system since it removes heat from the air and keeps your interior area cold and pleasant. Nevertheless, dirt, dust, and other debris can accumulate on the evaporator coil over time, reducing efficiency and causing your system to work more to maintain the correct temperature. This can result in more significant energy usage, higher electricity bills, and even system failures.

To avoid these problems, inspecting and cleaning the evaporator coil regularly is essential. Spraying the coil on your unit with water and non-rinse cleaning solutions to remove any dirt, dust, or debris that has gathered on the surface is what this entails.

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#4. Clean the Condensate Line

The drain line can get blocked with dirt, debris, and even algae over time, causing it to back up and overflow. This might result in water damage and expensive repairs.

To avoid these problems, check and clean the condensate drain pipe frequently. This entails identifying the drain line, usually near the outside unit of your aircon system, and removing any clogs with a wet/dry vacuum or a pipe cleaner.

Regularly checking and emptying the condensate drain line can prevent water damage and costly repairs. It can also assist in guaranteeing that your aircon system is operating at peak efficiency.

#5. Exterior Condenser/Compressor Cleaning

Most household aircon systems have an external condenser/compressor positioned in the backyard of the building. These devices are used to chill the refrigerant utilised in the air handling unit and to draw air into the air conditioning system.

As debris enters the compressor or its housing, the effectiveness of the aircon system drops, and it becomes more susceptible to unexpected failure. One simple aircon maintenance or repair chore is to switch off and clean the external condenser/compressor.

This is a multi-step procedure as follows:

  • Switching off the compressor.
  • Debris removal from the unit.
  • Straightening and cleaning the fins.
  • Cleaning the Space Around the Air Conditioner.
  • Reassembling the air con.

#6. Parts Lubrication

Moving elements in air conditioners, such as the fan and condenser motor, require sufficient lubrication to operate correctly. Because of friction, these parts can wear out over time, resulting in lower system efficiency, higher energy consumption, and possible system failure.

Keep your aircon unit’s moving parts lubricated regularly to avoid these problems. Lubricant is applied to the moving parts to decrease friction and wear and tear. The manufacturer’s recommendations and the components that necessitate lubrication will determine the lubricant used.

It is advised that you lubricate the working parts of your air conditioning unit at least once a year or as directed by the manufacturer.

#7. Air Conditioner Fan and Blower Maintenance

The blower on your aircon is the fan that distributes air throughout your home. A centrifugal fan capable of moving enormous volumes of air is typically used. As a result, servicing the blower is vital to having a working air conditioning system.

The first step in servicing your aircon blower is to switch off the electricity to your aircon unit. After that, open the air handler’s access panel and visually check the fan and motor. Make sure the fan is free of dust and dirt. The fan and motor should freely rotate.

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#8. Examine Electrical Connections

Because of vibration, temperature fluctuations, and other causes, electrical connections in your air conditioning unit might become loose over time. Electrical shorts caused by loose electrical connections can harm your air conditioning equipment and potentially represent a fire threat. Weak connections also increase energy usage since the unit has to work more frequently to maintain the required temperature.

To avoid these problems, inspecting the electrical connections in your air conditioning equipment regularly is critical. This process involves visually examining the connections to ensure they are tight and secure. If you find weak connections, tighten them immediately to avoid additional harm and ensure your aircon is running efficiently

#9. Examination and maintenance of ductwork

Although ductwork is considerably simpler than other aspects of your aircon system, it can still have issues. Because the ductwork distributes air throughout your home, you must verify that it is in good condition.

Additionally, inspect your ductwork to verify no significant dust accumulation. A little dust is okay, but keep an eye out for heavy coatings of dust and lint balls. Dust accumulation on registers may be removed using a cloth.

Examine your ductwork for air leaks. Corrosion can cause a hole in your ducts, lowering airflow and efficiency. 

#10. Check Your Remote Control

If your unit has a remote control, examine the display and use it to control the unit to ensure that it is operational. Remove the batteries if you are not going to use the controller for an extended period of time. Understanding the operations of the electronically controlled will enable you to run the air conditioner successfully. 

Whatever system you purchase has several working modes, including cooling, heating, fan, and auto. To save energy, timers, and other energy-saving modes should be used.

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Final Thoughts

Although an aircon specialist should do most aircon system repairs, there is a lot you can do to guarantee that everything is running correctly. You can do a lot between service visits to keep your system running properly, from upgrading filters to having everything clean and tidy. 

You will understand how everything should function by inspecting and observing how your system operates. The next time your air conditioner breaks down, you can fix it yourself!

Inspecting and maintaining your air conditioning system also entails being acquainted with your equipment so that you may contact a professional like Singcool SG even before something goes wrong.