Air Conditioning Cleaning

Over time, dust, dirt, and other debris can accumulate in your air conditioning system, reducing its efficiency and potentially causing issues such as unpleasant odours, poor airflow, and increased wear on components. Maintaining a clean and efficient air conditioning (AC) system is crucial for ensuring optimal performance, air quality, and energy efficiency.

At Dunbar Services, we offer expert air conditioning system cleaning services that help reduce energy consumption, improve indoor air quality, and extend the lifespan of your system. Our air conditioning system cleaning process includes cleaning all types of heating, ventilation & air conditioning (HVAC) systems and split system air conditioning. Our team uses specialised tools and techniques to thoroughly clean every part of your air conditioning system, ensuring it operates at peak efficiency. We understand the importance of clean, efficient air conditioning systems for comfort, health, and savings. Whether you need a one-time cleaning or regular maintenance, we are here to help keep your system running at its best.

We use the latest in pneumatic technologies from around the world to clean air conditioning systems. Self-propelling cleaning nozzles access all duct surfaces by propelling 130 CFM 100psi volumes of air to blast the debris from internal walls whilst insuring no damage to internally lined duct. At the point the cleaning hose enters the duct an 1100l/s with Hepa filtration (99.97%) vacuum extraction unit is fitted and, as the nozzle compressed air blows the four internal surfaces, the greater negative air draws the debris into its multi filtered collection chambers. Individual outlets are foam blocked whilst compressed air cleaning works are performed then cleaned and restored upon completion.

Dunbar Services clean the plant coils, condensate trays, fans and all chamber surfaces and can add a decontaminator to ensure the units are ready for commissioning. Surface painting, unit labelling, waterproof coatings and insulation repairs can be performed if required.

All air conditioners provide an excellent breeding ground for mould – the dark, moist and usually dusty conditions supply the food and moisture required for mould to grow. Along with the health effects of mould exposure, dirty split systems can result in poor ventilation in rooms resulting in increased carbon dioxide concentrations when the room is occupied causing potential health effects, including lethargy and inability to concentrate.

Dunbar Services can perform pre-remediation surface sampling, clean and disinfect the split system air-conditioner including the cooling coil, return air filter, scroll fan and housing. Clearance testing can be conducted on completion of works to certify the unit as being free from contamination.

Cleaning of wall mounted split systems is also beneficial in saving on energy costs by reducing energy consumption of the units.

Coil cleaning is paramount to energy efficiency and retaining the design installed air balances. Dirty coils can cause your air conditioning unit to overheat and lose efficiency.

We clean both the evaporator and condenser coils to improve heat exchange, reduce energy usage, and prevent premature system failure. We also clean the fan units, which are responsible for air circulation within the system, ensuring smooth airflow and proper cooling or heating distribution.

By using a unique pressure cleaning and water extraction system we can restore your heating or cooling coils (both plant and in-line) to regain air flow, recovering previous air pressure loss from blocked fins. We also apply an inhibitor to restrict microbial growth and can perform before and after pressure tests to quantify the flow increases.

For added protection, we offer decontamination and sanitisation services to reduce the risk of bacteria, mould, and fungi growth within your air conditioning system.

After cleaning of the air conditioning duct work, we treat the internal surfaces with a product that will remove airborne bacteria and mould within the system and retard its growth for up to six months. This product is a safe, non-toxic sanitiser that eliminates harmful microorganisms and improves indoor air quality. This step is especially important for ensuring the health and well-being of the people inside.

This treatment is specifically designed for air conditioning systems, and Dunbar Services are approved distributors plus trained and qualified applicators.

Dunbar Services offers expert mould remediation tailored to eliminate mould and fungal growth at its source. We assess the causes, develop prevention strategies, and thoroughly decontaminate all affected surfaces. Remediation is conducted to meet international (WHO, US EPA) and Australian (AIRAH) standards, ensuring a safe and healthy environment. Independent surface testing confirms the effectiveness of our remediation, providing benchmarks for future monitoring.

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Dunbar Services conducts surface swab and airborne sample testing to detect mould, fungi, and bacteria in various environments, including building surfaces, HVAC systems, and occupied spaces. Using calibrated equipment, samples are analysed at NATA and AQIS-certified laboratories for microbial growth and species identification. Results guide remediation strategies, ensuring compliance with WHO indoor air quality standards for optimal safety and health.

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At Dunbar Services, we offer comprehensive cleaning solutions for all types of air registers, grilles, and vents, including fresh air, supply, and return air systems. Whether you require routine maintenance as part of a scheduled service plan or need a one-time cleaning to improve the aesthetics and functionality of your space, we are here to help. Clean air registers not only enhance the appearance of your building but also contribute to better indoor air quality and system efficiency. In addition to cleaning, Dunbar Services can replace damaged or broken air grills and vents.

We reduce the risks of deteriorated insulation fibres within air handling units and ducts being transferred to occupied areas by applying bonding products designed to coat the interior surfaces thus extending the life of the system plus reducing exposure. Synthetic mineral fibres (SMF’s) in airstreams can cause eye, skin and respiratory irritation which can directly affect office absenteeism. Coating of the insulation extends the life of the duct and the microbial inhibitors within dramatically reduce the occurrence of mould and fungal growth within the air handling system.

A video probe inspection for an air conditioning system is an essential diagnostic tool that allows technicians to visually inspect areas of the system that are difficult to access or not visible to the naked eye. Using a small, flexible camera attached to a probe, this method provides real-time video footage of the internal components of the system, offering a detailed and non-invasive way to identify issues.

Specialised probe video heads with inbuilt lighting are sent through the ducting or similar small openings for up to 18 metres to assist with problem identification and condition inspections. All footage is reviewed then forwarded with a comprehensive report detailing the findings.

The inspection can reveal problems such as clogs, blockages, or damage inside the ducts, coils, or other internal components. For example, it can identify dirt buildup, mould growth, or corrosion in places where traditional inspection methods can’t reach. This helps in early detection of issues that may affect system performance and air quality.

Dunbar Services offers the supply and professional installation of a range of access panels designed to facilitate easy and efficient duct inspection, cleaning, and maintenance. These access panels are essential for ensuring that your HVAC system remains clean, efficient, and compliant with industry standards. By providing strategically placed access points, we enable quick and easy entry to ducts and other hard-to-reach areas, allowing for thorough inspections, cleaning, and ongoing maintenance without the need for disruptive dismantling or costly system shutdowns.

Our team works with you to determine the best locations and types of access panels for your specific needs, ensuring they are installed securely and in compliance with all safety and regulatory requirements. Whether for routine maintenance, system upgrades, or emergency repairs, our access panels make it easier to maintain optimal performance, improve air quality, and extend the life of your HVAC system.

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