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Mr Duch is a certified Indoor Environmental Technician, holding dual IAQCert credentials in Air Duct Cleaning and Confined Space Entry. These certifications reflect his capability to work safely and effectively in complex, high-risk indoor environments such as hospitals, laboratories, and mechanical systems. Backed by industry-recognised training and aligned with national standards, Mr Duch brings the technical skill, safety awareness, and real-world expertise essential for maintaining healthy indoor air quality across diverse sectors.
IAQCert Certified – Confined Space Entry Technician
Mr Duch is also certified as a Confined Space Entry Technician by IAQCert, specialising in the safe entry, operation, and risk management within confined environments.
This certification ensures that technicians are trained to:
Identify and mitigate atmospheric hazards
Apply safe work methods in low-oxygen or contaminated spaces
Follow emergency procedures and use appropriate PPE and breathing apparatus
Meet strict WHS and regulatory compliance standards under Australian law
This credential is critical for working in environments like:
Air handling units
Large ductwork systems
Mechanical plant rooms
Subfloor and ceiling spaces
Relevant Standards include:
AS 2865: Safe Working in a Confined Space
WHS Regulations (Australia)
ISO 45001: Occupational Health and Safety Management
IAQCert Certified – Air Duct Cleaning Technician
Mr Duch is a certified Air Duct Cleaning Technician through IAQCert, an industry-focused certification program aligned with national and international standards.
This certification ensures that technicians have the skills and knowledge to:
Inspect and clean HVAC systems to prevent microbial contamination
Restore and maintain proper airflow and energy efficiency
Perform remediation in accordance with NADCA and AS/NZS duct hygiene guidelines
IAQCert’s training is based on real-world conditions found in hospitals, aged-care homes, laboratories, and sealed mechanical systems.
Relevant Standards include:
AS/NZS 3666.2: Air-handling and water systems of buildings