What is TR19 Duct Cleaning?

Ensuring the safety and quality of the air within commercial and industrial buildings is of utmost importance. As such, the Building Engineering Services Association (BESA) mandates that all duct cleaning be performed up to the highest standard, a process referred to as TR19 Duct Cleaning. This process consists of a thorough inspection of the entire duct system, including the fan, fire barrier, outlet, ductwork, and impellers.

Additionally, all associated parts, such as grease filters, cowling, and access panels are removed and cleaned with care. Replacement of any defective or worn out parts is also included in the procedure, in order to optimise the system's performance. In particular, kitchen extractor systems should be subject to TR19 Duct Cleaning on a regular basis, as contaminants like grease and other pollutants can build up and create a hazardous environment. Such care also helps to increase the efficiency of the HVAC system, leading to decreased energy consumption and an extended lifespan of the equipment. Ultimately, these measures benefit not only those within the building, but the environment as a whole.

Frequently Asked Questions

Below are some frequently asked questions to provide you with further information about this service

What are benefits of TR19 Duct Cleaning?

TR19 Duct Cleaning can offer several important advantages for commercial and industrial establishments. Firstly, by clearing away dust, dirt, mould, and other pollutants from the ducts, indoor air quality is enhanced, thereby decreasing the possibility of respiratory illnesses and allergies. It is crucial to protect the health of those in the building by making sure the air inside is as clean as possible. Secondly, cleaning the ducts and other elements of the HVAC system may improve its efficacy, leading to lower energy bills and a longer service life.Not only does this save money, but it also reduces the environmental impact of the building. Thirdly, it is a vital measure of fire safety, removing any combustible particles and build-up in the kitchen exhausts to minimise the risk of fire. Comfort is another factor that is increased through duct cleaning; it ensures better temperature control and diminishes any drafts, leading to a more contented working or living atmosphere.

Moreover, duct cleaning can be a cost-effective method compared to having to change any damaged or worn out components or dealing with the repercussions of poor air quality. Moreover, regular cleaning will ensure compliance with all applicable standards and regulations, avoiding potential legal issues.

Furthermore, by increasing the efficiency of the HVAC system, it reduces the Carbon footprint of the building and helps to make the establishment more sustainable. Consequently, investing in regular TR19 Duct Cleaning is an astute financial decision which provides many benefits in the long run.

What does the Duct Cleaning process involve?

TR19 Duct Cleaning is a procedure that requires the extraction of any form of contaminants and dirt particles that may have gathered in the HVAC (heating, ventilation, and air conditioning) system’s ductwork. The aim of this procedure is to both increase indoor air quality and to make sure the HVAC system is running efficiently. TR19 is a standardised program made by the Building Engineering Services Association (BESA) and is well-known in the industry as a professional duct cleaning procedure. This TR19 Duct Cleaning process incorporates a visual analysis of the ductwork to recognize any particular parts that need additional attention, for example, noticeable mould or substantial dust accumulation. To reach more confined areas, this examination is carried out utilising exceptional cameras and mirrors.

Once the examination is concluded, various equipment and specialised tools are used to clean and remove any dirt or contaminants in the ducts. These tools consist of brushes, vacuums, and pressurised air. By utilising special tools, it guarantees that the ducts are completely cleansed and that any kind of dirt and contaminants are safely taken out without inflicting harm to the ductwork. In addition, the process incorporates the cleansing of other sections of the HVAC system, such as the air-handling units, grilles, diffusers, and other air dispersal components. With time, these sections can also accrue dust and debris, which can adversely affect the performance of the HVAC system and indoor air quality. To guarantee the efficiency and proper functioning of the HVAC system, these components must be routinely cleansed.

Once the cleaning is complete, a final assessment is conducted to verify that the ductwork and other components of the HVAC system have been sufficiently cleaned. This evaluation may involve the utilisation of specialised cameras and mirrors to detect any lingering dirt or contaminants. Should any part be discovered to still require more cleaning, additional steps will be taken to fully finish the cleaning process.

What is the Cleaning Process?

The TR19 guidelines state the recommended intervals between cleans. However, the cleaning intervals for kitchen extract flues depend on the types of duct, the cooking methods used, and the volume of airborne grease contaminants. For example, depending on the severity of grease buildup, it may be required to hand scrape the grease off the ducting. As grease in kitchen extraction systems is a well-known fire risk, a new specification (TR19 Grease) was published in July 2019. TR19 Grease increases the level of compliance with regard to fire safety cleaning. Although regular inspections establish cleaning frequency, the minimum cleaning frequency recommendation is as follows: 

After this has been completed, there needs to be a post-cleaning verification to make sure all of the steps have been completed correctly.

Why is Duct Cleaning to TR19 standards required?

Duct Cleaning to TR19 standards is essential in order to maintain a safe and healthy environment for employees, customers, and visitors. The current building regulations require that ventilation systems are regularly inspected and maintained in order to comply with these standards.

TR19 is a set of guidelines published by BESA. The guidelines set out the minimum requirements for regular ductwork inspections, testing and cleaning of air conditioning, ventilation and kitchen extract systems. It also defines the criteria for assessing the risk of fire, fire spread and potential contaminants in the ductwork system.

By following TR19 standards, building owners can ensure that the ventilation system is free from dust, dirt, grease, and other pollutants that could potentially spread contaminants or cause a fire hazard. A regular ductwork inspection and cleaning helps to protect the integrity of the ventilation system and prolong its lifespan. Regular cleaning is also necessary to prevent blockages and reduce the risk of bacteria, fungi and viruses spreading through the air.

Therefore, it is important that all businesses follow the TR19 guidelines in order to ensure that their premises are safe and compliant. Failure to do so could result in potential health hazards as well as expensive fines or legal action.

Green Zone Surveys are experts in meeting the TR19 standards set by the BESA and British Standards. Our services use the latest technology and methods to provide the highest quality cleaning of grease traps, ductwork systems, and kitchen extraction cleaning. For more information or a Free Quote call us on 0344 499 7574 or email info@greenzonesurveys.com Be sure to check out our TR19 guide and our News page for more posts on TR19 Duct Cleaning. If you need to know more about the TR19 Certification, then follow the link to read more.

Why is Duct Cleaning to TR19 standards Required?

Insurance companies impose policy conditions on appliance maintenance and system cleaning. In order to meet insurance company requirements and to provide an accurate record of cleaning performance, a report is necessary as a record for the client. At Green Zone we provide a full TR19 Report, containing before & after photographs and schematic drawings.

How often does my kitchen extract system need cleaning?

How often your kitchen extract system needs to be cleaned depends on how many hours per day the kitchen is operational. All kitchen extract systems require professional cleaning at least once a year. Kitchens that are in continuous use, fast food, high grease contaminated extract systems may require more frequent, monthly deep clean to remove the fire risk and improve hygiene.

What does our Kitchen Extract Cleaning Involve?

Ductwork cleaning is a specialist contractor activity and should be carried out by an appropriately trained specialist. At Green Zone we use a variety of different methods to achieve the required results from specialist mechanical brushes to air pressure systems and manual methods using specialist chemicals.

What Are the Risks of Not Having My Kitchen Extract Cleaned?

The build-up of grease in an extract system forms a hidden combustion load and during the cooking process flammable vapour is given off from cooking oils at temperatures between 200 & 300 degrees centigrade. A fire can occur when spontaneous ignition takes place at 310-360 degrees centigrade.

The older the grease, the lower the ignition point hence why regular cleaning is of paramount importance. When grease ignites, fire spreads rapidly through the duct and can ignite surrounding materials along the ductwork path consequently transferring the fire. In effect, systems laden with grease can propagate what started as a small kitchen fire, causing major building destruction.

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