LS Aircon Servicing Singapore

How to Avoid These Common Aircon Maintenance Mistakes

Common Aircon maintenance mistakes can have several consequences, which will be discussed in this article today. Aircon systems are indispensable for maintaining indoor comfort, particularly in regions with hot and humid climates. However, improper maintenance practices can lead to reduced efficiency, increased energy consumption, and costly repairs

In this comprehensive guide, we will delve into seven common aircon maintenance mistakes and provide detailed guidance on how to avoid them. By following these tips, you can ensure optimal performance, lower energy costs, and prolong the lifespan of your aircon unit.

How to Avoid Aircon Maintenance Mistakes in Singapore?

Singapore has tropical weather, and the summers are hot and fuming. In this scenario, the role of aircon, among other appliances, is paramount. If you have learned about common aircon maintenance mistakes, you can save yourself costly replacements and hefty professional fees. LS Aircon Servicing Singapore insists on avoiding the following common aircon maintenance mistakes in Singapore.

Neglecting Regular Filter Replacement

One of the most prevalent aircon maintenance mistakes homeowners make is neglecting to replace or clean their air filters regularly. Over time, air filters accumulate dust, dirt, pollen, and other particles, which restrict airflow and force the aircon system to work harder. 

This not only reduces efficiency but also results in higher energy bills. To avoid this mistake, develop a habit of checking your air filters monthly and replacing them when they appear dirty or clogged. Use high-quality filters that are compatible with your aircon unit to improve indoor air quality and reduce strain on the system.

Skipping Annual Professional Maintenance

Another critical mistake is skipping annual professional maintenance for your aircon system. Regular maintenance by qualified HVaircon technicians is essential for identifying potential issues early, ensuring proper system operation, and extending the lifespan of your aircon unit. 

Schedule annual maintenance appointments where technicians like Aircon Servicing Singapore can inspect and clean the system, check refrigerant levels, lubricate moving parts, and resolve any minor problems before they escalate into major issues. This proactive approach saves you money in the long run and ensures reliable and efficient cooling performance.

Common Aircon Maintenance Mistakes Singapore

Ignoring Condenser Unit Maintenance

The outdoor condenser unit of your aircon system plays a vital role in dissipating heat and maintaining cooling efficiency. Neglecting its maintenance can lead to reduced performance and increased energy consumption. Keep the condenser unit clean by removing leaves, debris, and other obstructions from around it. 

Trim any vegetation or shrubs that may obstruct airflow. Additionally, regularly inspect the condenser coils and fins for dirt buildup and clean them as needed to ensure optimal heat transfer. Consider installing a shade cover over the condenser unit to protect it from direct sunlight and improve efficiency.

Setting Incorrect Thermostat Settings

Improper thermostat settings can cause your air conditioning system to run longer than necessary or at higher temperatures, resulting in increased energy usage and higher utility bills. Avoid setting the thermostat too low in summer or too high in winter. 

Use programmable thermostats to create temperature schedules that align with your daily routine. Take advantage of energy-saving features such as setback temperatures during times when you are away from home or asleep. By optimizing thermostat settings, you can save energy and maintain comfortable indoor temperatures.

Overlooking Air Duct Maintenance

Air ducts distribute cooled air throughout your home. However, neglected ductwork can accumulate dust, mould, and debris, leading to reduced indoor air quality and decreased system efficiency. Schedule professional duct cleaning every few years to remove buildup and improve airflow. 

Additionally, seal any leaks or gaps in the ductwork to prevent air leaks and ensure that conditioned air reaches its intended destination. Proper duct maintenance improves system performance, enhances indoor air quality, and reduces energy waste.

Avoid These Common Aircon Maintenance Mistakes

Allowing Refrigerant Leaks to Persist

Refrigerant leaks are a common issue that can significantly impact the performance of your aircon system. Signs of refrigerant leaks include:

  • Reduced cooling capacity.
  • Hissing sounds from the unit.
  • Ice buildup on the evaporator coils.

If you suspect a refrigerant leak, contact a licensed HVaircon technician to inspect and repair it promptly. Regularly check refrigerant levels and ensure that all connections are properly sealed to prevent leaks and maintain system efficiency. Resolving refrigerant leaks promptly helps preserve system performance, prevent costly repairs, and reduce environmental impact.

Neglecting Insulation and Air Sealing

Poor insulation and air leaks in your home can lead to energy wastage and increased strain on your aircon system. Insulate attics, walls, and ductwork to reduce heat transfer and maintain consistent indoor temperatures. 

Seal gaps around doors, windows, and vents to prevent conditioned air from escaping and outside air from entering. Consider using weatherstripping, caulking, or spray foam insulation to improve air sealing and energy efficiency. Proper insulation and air sealing can enhance comfort and reduce energy costs and environmental impact.


By avoiding these common aircon maintenance mistakes and following proactive maintenance practices, you can ensure optimal performance, lower energy costs, and extend the lifespan of your aircon system. Regularly replacing air filters, scheduling professional maintenance, cleaning condenser units, setting thermostat settings correctly, maintaining air ducts, addressing refrigerant leaks promptly, and improving insulation and air sealing to enjoy efficient and reliable cooling throughout the year. Taking these steps benefits your comfort and savings and contributes to a healthier and more sustainable environment.