Kitchen Exhaust Cleaning

Australian Filter and Duct Services is the premier full-service kitchen exhaust cleaning company in Sydney, NSW and ACT. For over 15 years we have used a comprehensive approach to clean and maintain kitchen exhaust systems. With our team of professional, experienced technicians, we guarantee only the best kitchen exhaust cleaning service to our clients.

Kitchen Exhaust Cleaning Facts

Most restaurant fires are caused by grease and debris building upon the surfaces of appliances and inside the exhaust system. By reducing grease with regular cleaning and maintenance, systems will work more efficiently at ridding the kitchen of potentially dangerous smoke and hot grease before it can become a serious issue. It is estimated that 54% of all restaurant fires begin in the kitchen. With such a high risk, it is crucial that regular professional cleaning and maintenance is conducted to protect your kitchen.

Kitchen exhaust fires can reach 1,000 degrees in minutes, with the fire spreading throughout the entire system and radiant heat transmission causing further fires. These fires travel with ease due to the build-up of oil and grease. This can have devastating consequences, with some systems often travelling for hundreds of metres through many levels and different areas of the building.

Strict preventative maintenance guidelines, set out in AS1851-2012 must be followed to mitigate this risk. The Australian Standards dictate that kitchen exhaust cleaning frequencies need to be tailored to the usage of the facility.

Insurance companies generally require certification to the Australian Standards for claims made on kitchen exhaust fires caused by uncleaned or grease-laden systems. Many restaurants are unable to reopen after a fire due to the significant damage bill.

commercial kitchen cleaning

Kitchen Exhaust Cleaning

We provide commercial kitchens with the most comprehensive and professional kitchen exhaust cleaning services from the cook-top to the roof-top.

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Call us today for your obligation free quote. We will visit your site free of charge to ensure the best possible solution for your business.

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Call us today for your obligation free quote

We will visit your site free of charge anywhere in NSW and ACT to ensure the best possible solution for your business.

What parts of your system are you responsible for?

All relevant parties such as tenants, facilities managers and building owners must be aware of their obligations to kitchen exhaust cleaning and how they may differ in different circumstances.

Common kitchen exhaust systems are generally maintained by the building owner and coordinated by facilities management. This will generally include all horizontal main ductwork in common areas, risers, fans and any associated rooftop ductwork. This may differ depending on the terms agreed upon in your lease. The tenancy component is usually the responsibility of the tenant which includes primary honeycomb or baffle filters, canopies/hoods, connecting ductwork and any inline components such as booster fans and electrostatic filtration units/spark arrestors.

Stand-alone kitchen exhaust systems are generally the responsibility of the tenant, depending on the conditions agreed upon in your lease. This will generally include all components of the system from top to bottom. AS1851-2012 makes no allowance for some components being cleaned and not others.

Cleaning of all components should be documented with before and after photos and accompanied with certification and a detailed report. If your current contractor is not providing this evidence, from experience, there is a high likelihood that the work hasn’t been done or has only partially been done.

But I conduct my own kitchen exhaust cleaning?

The Australian Standards require kitchen exhaust cleaning to be conducted by a licensed Australian contractor. It is a widespread practice to assist in reducing the frequencies of required cleaning with in-house maintenance, but these systems still need to be certified professionally.

No provisions are made for partial cleans of the system, meaning all components are required to be cleaned. This often consists of canopies/hoods, connecting ductwork, main ductwork, risers, fans and associated rooftop components. Cleaning of all components should be documented with before and after photos and accompanied with certification and a detailed report.

What does “CLEAN” really look like?

At Australian Filter and Duct Services, our definition of clean is simple: no grease.

We use time-tested, industry-leading techniques to clean the entire kitchen exhaust system from top to bottom. We will always leave your kitchen cleaner than we found it.

With our team of professional, experienced technicians, we guarantee only the best kitchen exhaust cleaning service to our clients.

kitchen exhaust cleaning

BEFORE

kitchen exhaust cleaning

AFTER

What about my filters?

Most restaurant chains and many high-frequency trade restaurants use commercial soak-tanks which is an environmentally friendly way to clean your own filters and avoid the ongoing cost of regular filter exchange. These soak-tanks are cost-effective and easy to use, with kitchen staff easily being able to place filters within the tank at the required intervals to allow a high quality clean without causing damage to the filter or housing.

The most common styles of filters are honeycomb filters and baffle filters:

Kitchen Exhaust

Honeycomb filters are more efficient but more prone to buildup and require more frequent cleaning or exchange.

Kitchen Exhaust

Baffle filters are slightly less efficient but much easier to clean and are often cleaned in-house in soak-tanks by restaurant staff.

AS1851-2012 requires all filters to be undamaged and constructed from stainless steel to allow certification. Older galvanized filters have been phased out in the last decade and are no longer acceptable as per the standards but are still found because some people aren’t aware.

Filters are required to be changed monthly as a minimum for low trade and low oil kitchens such as childcare centres and hospitals. More often than not, these filters are changed fortnightly or weekly, with the higher frequency restaurants often needing twice weekly, or daily filter changing. These guidelines must be followed to allow the best possible performance of your system while reducing the risk.

What about solid-fuel/charcoal/wood fire cooking?

It is a requirement that all solid-fuel cooking such as charcoal and wood fire cooking have their own dedicated systems fitted with spark arrestors to mitigate the risk.

If you have introduced solid-fuel cooking into an existing system that extracts from grease-cooking areas, this is a very high-risk system and the most susceptible to fires in the industry. It must be either separated and split into an independent system or fitted with preventative measures such as a fire sprinkler system and electrostatic filtration unit. These systems are required to be cleaned on a 6 monthly basis as a minimum, though most are cleaned on a 3 monthly basis to reduce the risk.

Unfortunately, we do not clean solid-fuel ovens or pizza ovens; however, we are highly trained in cleaning these entire systems, excluding this component.

Electrostatic Units

Unfortunately, we do not offer a service of cleaning these units or replacing/cleaning internal filter cells. Still, we are all too happy to point you in the right direction as there are companies that specialize in these units.

Electrostatic filtration units are an amazing technology that uses electrostatic charges to breakdown the grease particles to 0.01 microns. These units are often used to separate solid-fuel cooking and grease cooking that have been combined in older systems and to minimize the level of grease and oil build-up within the ductwork. They are also often used in kitchens that create a lot of smoke and/or are close to residencies or other infrastructure.

These electrostatic precipitators are commonly used to allow compliance and approval with development applications for the design of new systems that are being retrofitted and aren’t able to discharge from the roof of a building. Electrostatic units require regular maintenance, cleaning and filter cell replacement. These services are often conducted on a fortnightly or monthly basis.

Cooking such as charcoal based styles leaves a lot of ash built up within the plates, which can significantly impair the unit in time. Without strict adherence to the service requirements of these units, blockages will form from ash. They may cause damage to expensive hardware like the High Voltage Board/ Transformer in units and subsequently reduce the extraction capacity and performance.

Fire Sprinkler Cleaning

Fire sprinkler cleaning is not something that is often undertaken but is a requirement to allow the high performance of these systems.

Quite often, kitchen exhaust systems have fire sprinklers that aren’t recessed in the duct and subsequently become coated in a thick layer of grease. Without regular maintenance, these sprinklers will perform very poorly or not at all. With the average sprinkler used for this application costing around $500, this is not something to be taken lightly.

Our team will crawl through your entire duct system and clean the heads of these sprinklers where required. We can also install inspection plates and panels around these sprinklers for routine maintenance. This is a very delicate procedure as these sprinklers are often quite fragile and highly susceptible to breakages when disturbed, which can have devastating consequences.

Duct Access

It is a requirement that access to ductwork is installed for cleaning every 3-meters where practical and possible, though this is often not the case with larger older systems.

We can ensure your duct access requirements are met with high-quality installations of certified access panels. We can also install galvanized plating to ductwork when required to save on costs in settings such as return air and supply air cleaning.

We stock and supply a large range of different sized duct access panels and plating to service your required application. All of our panels are sealed with acoustic sealant and can be sealed with high-temperature sealant where required.

Kitchen Exhaust

Galvanized Access Panels:

FRAME: Made from press formed galvanised steel 0.8mm – 1.0mm
PANEL: 2 piece press formed 0.6mm – 0.8mm galvanised steel
SEAL: 1 piece heat welded PVC compression gasket formed to ensure an airtight seal
LOCKS: 2 or 4 galvanised steel sash fasteners. Combining a specially designed hook and cam system to give an airtight seal between the panel and its frame
INSULATION: Thermal and acoustic 25mm fibreglass insulation is sealed airtight within the sandwich panel via the PVC seal

Kitchen Exhaust

Stainless-Steel Access Panels:

FRAME: Made from fabricated 304 or 316 stainless steel
PANEL: 2 piece fabricated 304 or 316 stainless steel
SEAL: E Glass Fibre Rope (EGT16)
LOCKS: 2 or 4 304 or 316 steel sash fasteners. Combining a specially designed hook and cam system to give an airtight seal between the panel and its frame
INSULATION: Thermal and acoustic 25mm fibreglass insulation is sealed airtight within the sandwich panel via the PVC seal

Kitchen Exhaust

High-Temperature Access Panels:

FRAME: Made from press formed galvanised steel 0.8mm – 1.0mm or fabricated 304 or 316 stainless
PANEL: 2 piece press formed 0.6mm – 0.8mm galvanised steel or fabricated 304 or 316 stainless steel
SEAL: E Glass Fibre Rope (EGT16) rated to 500 deg. C
LOCKS: 2 or 4 galvanised steel or 304 or 316 stainless steel sash fasteners. Combining a specially designed hook and cam system to give an airtight seal between the panel and its frame
INSULATION: Thermal and acoustic 25mm fibreglass insulation is sealed airtight within the sandwich panel via the PVC seal

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Why choose Australian Filter and Duct Services?

  • State of the art reporting.
  • Before/after photos of all components.
  • Accurate tender estimation.
  • Punctual, experienced workers 24/7.
  • Quality customer service and support.
  • Efficient administration procedures for all requirements.
  • Free of charge and obligation-free quotes.
  • Free revisits for any reasonable concerns after the job is complete.
  • Fully insured and certified within the industry.
  • Servicing across Sydney, NSW & ACT.

Any doubts? If needed, we will promptly return free of charge to address any concerns after the job is complete.

We operate 24 hours a day, 7 days a week and are available to take your calls 24/7 to ensure the highest customer satisfaction.