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31 Jul, 2023
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Solar Aircon Split System Maintenance: Ensuring Efficiency and Longevity

Solar aircon split systems are a popular choice among homeowners and businesses seeking energy-efficient, cost-effective, and eco-friendly cooling solutions. By harnessing the power of sunlight, solar aircon split systems offer a sustainable alternative to conventional air conditioning and contribute to a cleaner environment. 

However, as with any technology, ensuring your solar aircon split system operates at peak efficiency requires regular maintenance, which can help extend the life of your equipment and keep your premises comfortable year-round.

In this article, we will explore the importance of solar aircon split system maintenance, offering practical insights and actionable tips on making the most of your investment. By understanding the role of regular maintenance in optimising performance and preventing potential issues, you can create a comfortable living environment while enjoying the benefits of an eco-friendly cooling solution.

Regular maintenance of solar aircon split systems is integral to their performance, not just in terms of efficiency but also with respect to cost savings and environmental impact. A well-maintained system is more likely to operate at peak energy efficiency, reducing both energy consumption and utility bills. Furthermore, proper maintenance can prolong the life of your system, improving return on investment.

Solar aircon split system maintenance involves various tasks, ranging from simple cleaning routines to more complex inspections and repairs. Familiarising yourself with the signs that your system needs attention is crucial for timely intervention and preventing costly repairs.

In the following sections, we will delve into the details of solar aircon split system maintenance, uncovering the essential components and areas that require upkeep, advice on tasks that the homeowner can complete and when to enlist the expertise of a professional, as well as guidance on maximising energy efficiency through routine maintenance. By tackling these crucial aspects of solar aircon split system care, you will be well on your way to a comfortable, energy-efficient, and sustainable future in your home or commercial property.

Stay tuned for valuable insights and guidance from LPS Electrical, your trusted partner in maintaining your solar aircon split system for optimal performance, efficiency, and longevity.

Importance of Regular Maintenance for Solar Aircon Split Systems

A well-maintained solar aircon split system offers numerous advantages, including improved energy efficiency, lower operating costs, and an extended lifespan. Regularly inspecting, cleaning, and addressing potential issues ensure that your system performs at its best, creating a comfortable and eco-friendly environment throughout the year.

Signs That Your Solar Aircon Split System Needs Maintenance

To ensure optimal performance, watch for signs that your solar aircon split system may require attention. While some symptoms may indicate minor issues, others might suggest a more significant problem that requires professional intervention. Some common indicators include:

1. Unusual Noises: If you notice unusual noises, such as rattling, grinding, or squealing, these could be signs of loose components, debris, or worn-out parts.

2. Reduced Cooling Efficiency: If your system is not cooling your space as effectively as before, there may be an underlying issue with the refrigerant levels, filters, or solar component.

3. Increased Energy Bills: A sudden or unexplained increase in energy bills could indicate diminished efficiency caused by a lack of maintenance or a malfunctioning part.

4. Frequent Cycling: If your system frequently cycles on and off, this may suggest a problem with the thermostat or an oversized or undersized system needing adjustment or replacement.

Components and Areas That Require Regular Check-Ups and Cleaning

To keep your solar aircon split system running smoothly, certain components and areas must be regularly inspected and cleaned:

1. Air Filters: Dirty or clogged air filters can restrict airflow and reduce efficiency. Check and clean or replace the filters every three months or more frequently if you live in a dust-prone area.

2. Condenser and Evaporator Coils: Dirty coils reduce cooling efficiency and strain the system, leading to higher energy consumption. Clean the outdoor condenser and indoor evaporator coils annually or as required.

3. Outdoor Unit: Keep the outdoor condenser unit clean and free of debris that could obstruct airflow, such as leaves, grass, and dust.

4: Ductwork: Inspect your ductwork for dirt, debris, or signs of leaks that can negatively impact efficiency and indoor air quality. Schedule professional duct cleaning as needed.

DIY Maintenance Tasks and When to Call a Professional

Many basic maintenance tasks can be performed by homeowners, following the guidance outlined in the system’s user manual or online resources. However, certain tasks might require the skills of a licenced professional, such as:

1. Refrigerant Checks: If you suspect a refrigerant leak, enlist a technician to test and repair the system, as refrigerants can be hazardous and regulated.

2. Electrical Components: Inspecting and repairing electrical components should be left to licenced professionals to minimise the risk of accidents and ensure proper safety measures are followed.

Maximising Energy Efficiency Through Maintenance

A well-maintained solar aircon split system can yield significant energy efficiency improvements. To get the most from your system, consider the following tips:

1. Regular Maintenance Schedule: Adhering to a regular maintenance schedule will ensure optimal efficiency, lower energy bills, and more comfortable space.

2. Optimise System Settings: Set your thermostat to the recommended settings for your local climate and occupancy patterns, to maximise efficiency without sacrificing comfort.

3. Seal and Insulate Your Home: Ensuring your home is well-sealed and properly insulated can substantially reduce the load on your solar aircon split system, further improving energy efficiency and cost savings.

Common Issues and Troubleshooting Tips

Like any technology, solar aircon split systems can sometimes face issues that may impact their performance. If you encounter any of the following issues, try these troubleshooting tips before calling in professional help:

1. System Not Powering On: Check fuses and circuit breakers to ensure a tripped circuit isn’t preventing your system from operating.

2. Inadequate Cooling: Clean filters or coils if your system isn’t cooling effectively, and ensure that the system’s size is appropriate for your space.

3. Poor Airflow: Check for blocked vents, clean or replace filters, and assess your ductwork for any leaks or obstructions.


Regular maintenance is crucial to maintain your solar aircon split system at peak efficiency and prolong its life. By staying vigilant and following a regular maintenance schedule, you can ensure cost-effective, eco-friendly cooling in your home or business while preventing potential issues.

Let LPS Electrical assist you in maintaining your solar aircon split system for optimal performance, efficiency, and longevity. With our skilled team of professionals and over 15 years of experience, you can rely on us for expert guidance, reliable repairs, and high-quality service. 

Contact our solar panel installers in Victoria today to schedule a maintenance appointment or discuss your solar aircon split system needs. Together, we can help you enjoy the benefits of a comfortable, energy-efficient, and sustainable space.

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