* Certificate of completion awarded by us is not necessarily credited or endorsed by any state. Certification requirements enabling you to work vary by state. Some states require a license, full certification and/or a background check before you can work as an air duct cleaning technician. Other restrictions and requirements may apply. Make sure you are familiar and compliant with your local laws & regulations. There is no business opportunity fee. There is no franchise fee. We reserve the rights to reject any candidate, and any trainee, at any time before and/or during the training, at our sole and absolute discretion. Please review all terms and conditions and contact a representative for full details.