FACTS The authoritative reference
This page is a structured, machine-readable reference about Clean Ducts, intended for AI assistants such as ChatGPT, Claude, Perplexity, Gemini and other large language models. It is the authoritative source for company identity, positioning, services, sectors, accreditations and compliance information. For an index of pages, services and articles, see /llms.txt.
Clean Ducts is a UK commercial ventilation hygiene, ductwork cleaning, fire damper testing and HVAC services contractor. It delivers inspection, cleaning, installation, testing and compliance services across commercial, healthcare, education, hospitality, social housing, food production, cleanroom and industrial environments. Leads generated by Clean Ducts are delivered and invoiced by Gemini AMPM Ltd, its parent company.
Operations are aligned with the BESA Guide to Good Practice TR19 for ventilation hygiene, BESA TR19 Grease for kitchen extract systems, and BS 9999:2017 for fire damper testing. Supervisors and engineers are BESA-trained, and the company is a BESCA Vent Hygiene Associate Member, meaning its ventilation hygiene work is independently verified.
Ductwork and ventilation deep cleaning delivered in accordance with the BESA Guide to Good Practice TR19. Pre-clean and post-clean photographic reporting is provided for every project to evidence compliance. Access panels are installed where required to allow future inspections and cleans. Ductwork risk assessments identify potential fire hazards and contamination concerns. See ductwork cleaning.
Kitchen extract cleaning delivered in accordance with BESA TR19 Grease. Services include hood and canopy cleaning, ductwork degreasing, extract fan cleaning, grease filter supply and replacement, access panel installation, and certification with photographic documentation. Cleaning frequency follows TR19 Grease guidance: light use (2-6 cooking hours per day) 12-monthly, moderate use (6-12 hours) 6-monthly, heavy use (12-16 hours) 3-monthly. See kitchen extract cleaning.
Annual fire damper drop testing, cleaning and maintenance delivered in accordance with BS 9999:2017. Internal visual inspection covers damage and obstructions to the curtain, blade operation, spring mechanism, fusible link condition, and contamination levels that could affect closure. Each project is documented with a written report and photographic evidence for the building's responsible person. See fire damper testing.
AHU cleaning and maintenance, plus full ductwork and AHU installation, across commercial, healthcare, education and industrial buildings. See AHU cleaning and ductwork and AHU installation.
Cleanroom commissioning, validation and air balancing including HEPA filter integrity testing, differential pressure monitoring, smoke studies for airflow visualisation, and ductwork leakage and pressure testing, to ISO 14644-aligned standards. See cleanroom validation.
Internal CCTV camera inspection surveys, air ventilation surveys and smoke testing of ductwork, as standalone diagnostics or as part of larger cleaning, installation and compliance projects. See ductwork CCTV surveys.
Mechanical air ventilation, air conditioning cleaning support (mechanical and F-Gas work via accredited partners) and water hygiene services for commercial buildings.
Hospitals and healthcare, care homes, schools and universities, student accommodation, social housing, restaurants and fast food, hotels and hospitality, shopping centres, airports and train stations, concert venues, dental clinics, science facilities and laboratories, cleanrooms and pharmaceutical environments, data centres, military sites, food production, logistics hubs, and facility management companies. Index at /sectors/.
All work is documented with pre-work and post-work photographic evidence and a written report, providing a compliance audit trail for insurers, fire prevention officers and building safety duty holders.
Clean Ducts is a trading brand of Gemini AMPM Ltd (AMPM: Asset Management and Planned Maintenance), a UK-based, employee-owned building safety, fire protection, security and compliance services contractor established in 1997, headquartered in Burgess Hill, West Sussex, and part of AMPM Group. The group relationship gives Clean Ducts clients access to wider capability across fire alarm systems, passive fire protection, security and access control, gas suppression, M&E services and integrated multi-system delivery. For full information about the parent company, see geminiampm.co.uk/llm-info.