Exhaust & Duct Cleaning

At Dunbar Services, we provide comprehensive exhaust and duct cleaning solutions for a wide range of systems, from kitchen exhausts and air conditioning ducts to bathroom, laundry, and fume cupboard systems.

Our team utilises cutting-edge technology and follows industry standards to ensure your systems are operating efficiently, safely, and in full compliance with regulations.

Our kitchen exhaust cleaning services cover all types of systems, from small commercial kitchens to multi-story extraction systems. We hand-clean canopies, thoroughly inspect and clean flue ducting (including the installation of sash lock inspection hatches where necessary), and dry-clean fan units to prevent electrical damage and reduce fire risks. Our cleaning process is performed in accordance with Australian Standard 1851:2012 and insurance company requirements. We create a customised cleaning schedule to ensure your system is regularly maintained at predetermined intervals, keeping it safe, hygenic and compliant.

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Our bathroom exhaust cleaning service uses advanced self-propelling cleaning nozzles to access all duct surfaces. By blasting 130 CFM of 100psi air, we remove debris from the internal walls of the duct. The cleaning process is supported by an 1100L/s vacuum extraction unit with HEPA filtration, which captures the debris and ensures no contamination is released into the environment. We also clean and restore fan units, dampers, inlets, and grills to maintain system efficiency. Airflow testing before and after quantifies airflow improvement and ensures as close as possible to the desired 25L/s is achieved.

We employ the latest pneumatic technology to clean air conditioning systems, including ductwork, fan units, and HVAC plant components. Self-propelling cleaning nozzles are used to blast debris from duct surfaces while ensuring no damage to the internally lined ducts. Our system is supported by an 1100L/s vacuum extraction unit with 99.97% HEPA filtration, capturing all contaminants. We clean the plant coils, condensate trays, fans, and all chamber surfaces, and can apply a decontaminator to prepare your HVAC system for commissioning. Additional services such as surface painting, unit labelling, waterproof coatings, and insulation repairs are available upon request.

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Laundry duct systems often accumulate lint and fibers, which restrict airflow, reduce drying efficiency, and increase the risk of fire. Our periodic laundry duct cleaning services help maintain unobstructed airflow, improving dryer performance and reducing energy consumption. Blocked ducts can lead to higher running costs, machine breakdowns, and the spread of fire throughout a building in the event of a fault. Regular cleaning ensures dryers operate efficiently and safely, with recommendations to clean dryer vents at least once a year to reduce risks and costs.

Our fume cupboard cleaning service uses self-propelling nozzles to clean the internal duct surfaces with 130 CFM of 100psi compressed air. This process is complemented by an 1100L/s vacuum extraction unit with HEPA filtration (99.99%), ensuring all contaminants are safely captured. We also measure airflow to confirm that your system meets its design specifications. For additional protection, we can decontaminate the hoods as part of our service, ensuring a safe and effective ventilation system.

Periodical cleaning of paint spray booths is crucial to prevent fire hazards and maintain operational efficiency. We offer comprehensive spray booth cleaning services, including scraping of internal ducts and fan blades to remove paint residue and prevent obstruction. Our team also provides filter media replacement and surface blasting to fully clean the booth and ensure its safety and performance.