Our Homeowner's Guide to Air Duct Cleaning is designed to help homeowners understand NADCA’s recommendations regarding the process of HVAC cleaning. Residential consumers are advised to read and understand the information on this page before hiring an HVAC cleaning company. To keep the review process organized, place a check next to each discussion topic the contractor has addressed to your satisfaction. Download a printable PDF file of the Homeowner's Guide to Air Duct Cleaning.
The CVI Online Training Course webinar series provides advanced training on HVAC systems & components, indoor air quality issues, performing inspections, risk management and industry standards. It's a great resource for getting CVI certified.