TR19 duct cleaning timescales depend on the size and complexity of your ventilation system.

• Small to medium systems: Typically completed within 1-2 days
• Large commercial systems: May require 3-5 days or longer
• Pre-cleaning inspection: Usually takes 2-4 hours
• Post-cleaning verification: Completed on the same day as cleaning

We schedule TR19 cleaning to minimise disruption to your operations. Most commercial properties require TR19 duct cleaning every 12-24 months, depending on usage and environment.

Our team provides a detailed timeline during the initial assessment, ensuring you can plan around your operational requirements.

TR19 duct cleaning is required by UK regulations to maintain safe indoor air quality and fire safety standards. Regular cleaning prevents the accumulation of dust, debris, and contaminants that reduce system efficiency and pose health risks.

Key reasons for TR19 compliance include:

• Meeting Health and Safety at Work Act 1974 obligations
• Reducing fire risk from accumulated debris
• Improving HVAC system efficiency and reducing energy costs
• Preventing the spread of airborne contaminants
• Extending the lifespan of ventilation equipment

BESA TR19 provides the industry standard for ductwork cleaning frequency and methodology, ensuring your system operates safely and efficiently.

Our TR19 duct cleaning service follows a comprehensive process aligned with BESA TR19 standards. We assess your system, remove accumulated contaminants, and verify cleanliness to ensure compliance.

Our TR19 cleaning services include:

• Pre-cleaning inspection: In-person survey and contamination assessment
• Mechanical cleaning: Specialist equipment removes dust, debris, and biological growth
• Post-cleaning verification: Photographic evidence and cleanliness certification provided in a detailed post-cleaning report
• Compliance documentation: Full TR19 compliance reports for your records

We also offer related services including Fire & Smoke Damper Testing (BS 9999), Kitchen Extract Grease Cleaning, HVAC Filter Replacements, and ongoing maintenance contracts to keep your systems compliant.

TR19 duct cleaning frequency depends on your building type, usage, and environment. BESA TR19 provides guidance on appropriate cleaning intervals.

These are the TR19 ductwork cleaning frequencies we recommend at ARM Environments:

• Office buildings: Up to every 24 months
• Healthcare facilities: Up to every 12 months
• Manufacturing environments: Every 6-12 months
• Kitchen extract systems: Every 3-12 months depending on usage

We assess your specific circumstances during the initial inspection and recommend a cleaning schedule that maintains compliance whilst optimising cost-effectiveness. Regular TR19 cleaning prevents system degradation and maintains energy efficiency.

Several indicators suggest your ductwork requires TR19 cleaning. Visible dust discharge from grilles, reduced airflow, increased energy consumption, and unpleasant odours all indicate contamination.

Signs you need TR19 duct cleaning:

• Visible dust or debris around ventilation grilles
• Reduced airflow or system performance
• Increased energy bills without explanation
• Persistent odours in conditioned spaces
• No record of previous cleaning or maintenance

View our ductwork cleaning guide '5 Signs you Need to Clean your Ducts'.

If you have not had your ductwork cleaned within the recommended timeframe, or if you notice any of these indicators, contact us for a ductwork survey and a quote.