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Ductwork Cleaning

TR19 Compliant Professional Ductwork Cleaning for Improved Air Quality and System Efficiency
  • How It Works
  • Featured Project
  • Insights

How It Works

About Ductwork Cleaning

Our comprehensive ductwork cleaning service removes accumulated dust, debris, and microbial growth from your ventilation system, improving indoor air quality and HVAC efficiency.

We use industry-leading techniques including robotic inspection, mechanical brushing, air whipping, and HEPA-filtered vacuum extraction to thoroughly clean all ductwork components.

Each project follows a structured approach: initial video inspection, creation of access points where needed, systematic cleaning, post-cleaning verification, and detailed documentation for compliance purposes.

Service Benefits

  • Enhanced indoor air quality
  • Improved system efficiency
  • Reduced maintenance costs
  • Regulatory compliance assured

Featured Project

An Array of Maintenance Services for a Hampshire Leisure Club

Inside a leisure club

Objectives

We were called to a Hampshire-based leisure club in 2023 for a range of different IAQ servicing tasks including air handling unit (AHU) maintenance. With up to hundreds of gym members in the building at any one time, clean, ventilated air is essential. In this environment in particular, with swathes of people breathing heavily after a tough workout, CO2 can rise into dangerous levels if the polluted indoor air is not properly mixed with clean outside air.

We were asked to perform the following tasks as part of the club's general maintenance: fire damper maintenance, fitting new duct access doors, perform a Ventilation Hygiene Risk Assessment (VHRA), perform AHU servicing and cleaning, perform plenum cleaning, and remove grease from the kitchen extractor.

Solutions

Our expert team got to work on these tasks over the course of the week. We completed each of these tasks to a professional standard and recorded the results with photographs to build a completion report.

All in all, our client was very pleased that we could help them remain compliant and keep their members safe, healthy, and happy. The last thing these gym members want is to breathe harmful, polluted air, so we're glad we could improve the air quality in this space.

Results

This maintenance work is essential for maintaining compliance with UK laws and legislations, and is particularly important in a space like this in which the ability to breathe clean, filtered air is incredibly important for health. Some of the tasks we completed, like commercial kitchen extractor fan and ductwork cleaning, is about more than just meeting compliance (like BESA TR19) -- it's about making sure the building remains safe for everyone. Especially where large groups of people are concerned, reducing fire risks are paramount.

Challenges

  • Variety of different maintenance tasks required
  • Health-conscious client
  • Multiple-day operation

"When you're dealing with a high-traffic facility like a leisure club, where hundreds of people are exerting themselves every day, poor air quality isn't just uncomfortable -- it's a health risk. Our team was brought in to carry out essential servicing, from AHU cleaning to fire damper maintenance, all aimed at keeping the environment compliant and, most importantly, safe. Spaces like this demand constant vigilance when it comes to ventilation; CO₂ levels can rise rapidly without proper airflow."

 

Adam Taylor, CEO of ARM Environments

 

Compliance

Compliant with UK legislation and laws

Wellbeing

Happy & healthy members

Safety

Reduced fire risk

Insights

Related Insights

Discover more about ductwork cleaning, regulations and best practices in indoor air quality management in our expert blogs. These insights are designed to help facilities managers and building professionals make informed, future-ready decisions.

Concerned About IAQ?

Contact us today for expert advice and a professional survey.

Ductwork Cleaning FAQs

How often should ductwork be cleaned?

TR19 guidance recommends inspection and cleaning every 1-5 years depending on building usage. Healthcare facilities typically require annual cleaning, while commercial buildings may need cleaning every 3-5 years. We can establish a tailored schedule based on your specific circumstances.

Will cleaning disrupt building operations?

We minimise disruption by scheduling work during off-hours or weekends when possible. For operational buildings, we can section work to maintain partial system functionality. Our equipment is designed to operate quietly and our containment procedures prevent dust from entering occupied spaces.

How do you verify cleaning effectiveness?

We conduct post-cleaning verification through video inspection and deposit thickness testing in accordance with TR19 standards. This includes before-and-after documentation and, if required, laboratory testing of surface samples to confirm removal of microbial contamination.

Can dirty ductwork affect energy consumption?

Yes. Dust accumulation in ductwork can restrict airflow, forcing fans to work harder and consume more energy. Clean ductwork typically improves system efficiency by 5-15%, reducing energy costs while extending equipment lifespan through reduced strain on components.

Is duct cleaning a legal requirement?

Yes. Under the Health & Safety at Work Act 1974 and the Occupiers Liability Act 1984, employers have a legal duty to provide a safe indoor environment. ACOP6 (52) specifically requires mechanical ventilation systems to be "regularly and properly cleaned, tested and maintained to ensure they are kept clean and free from contamination."

Why Choose ARM?

ARM Environments specialises exclusively in indoor air quality solutions, giving us unparalleled expertise in ductwork cleaning that goes beyond simple maintenance.

Our CEO Adam Taylor chairs the IAQ Group at BESA, ensuring our techniques reflect the latest industry standards and best practices. Unlike general cleaning contractors, we understand the relationship between ductwork condition, system efficiency, and indoor air quality outcomes.

Our SafeContractor and BESA certifications guarantee all work meets rigorous safety and quality standards. We provide detailed documentation including before-and-after imagery, deposit removal verification, and system performance improvements, giving you confidence in both compliance and return on investment.

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22 High St, Alderbury, Salisbury SP5 3DU