CNADCA
Canadian National Air Duct Cleaning Association
Canadian National Air Duct Cleaning Association
The Canadian National Air Duct Cleaning Association (CNADCA) is committed to protecting
homeowners, property managers, and commercial building operators through the
establishment and enforcement of measurable industry standards. CNADCA certification
signifies verified compliance with operational, equipment, procedural, and ethical
benchmarks as outlined in CNADCA Standard IAQ 100-2025.
Hiring a CNADCA Certified Company ensures that the contractor has undergone structured
review, field validation, and documented compliance assessment. Certification is not
promotional in nature; it is verification-based and subject to review.
Completion of CNADCA Standard Operating Procedure (SOP) Certification
Mandatory 4-hour standardized procedural training course
Validation of negative air source removal methodology
Safe work practice and jobsite protocol compliance
Minimum equipment performance thresholds
Required cleaning methodologies
Pressure differential monitoring protocols
Containment and safety procedures
Post-cleaning verification standards
Documentation and reporting expectations
Negative air collection systems tested for required CFM output
Filtration systems verified
Equipment condition and maintenance records reviewed
Field validation of operational performance
Adherence to CNADCA Code of Ethics
Prohibition of deceptive pricing practices
Commitment to transparent service representation
Consumer complaint review eligibility
Valid operating business license
Active liability insurance coverage
Compliance with applicable Occupational Health & Safety regulations
Operational good standing within jurisdiction
Improper air duct cleaning practices may result in HVAC system damage, inadequate contaminant removal, cross-contamination of indoor environments, and unnecessary financial loss. Consumers are advised to verify contractor certification status prior to engagement.
CNADCA certification indicates that a company has met documented compliance requirements at the time of review. Certification does not constitute a government license, warranty, or guarantee of future performance. CNADCA reserves the right to update, amend, or revise Standard IAQ 100-2025 and associated certification requirements as part of its ongoing commitment to continuous improvement and consumer protection. This document is intended for informational purposes only and does not replace applicable municipal, provincial, or federal regulatory requirements.
© February 2026 CNADCA – All Rights Reserved
© 2026 Canadian National Air Duct Cleaning Association (CNADCA). All rights reserved.