NATIONAL AIR DUCT CLEANERS ASSOCIATION Contact NADCA About NADCA
CERTIFICATION RENEWAL

Renewal of Air Systems Cleaning Specialist (ASCS) certification is required every year. To qualify for renewal, ASCS technicians must accrue six (6) continuing education credits (CECs). CVI certified individuals are required to renew every three years, and VSMR certified individuals are automatically renewed when their ASCS certification is renewed.

CECs for ASCS certification may be obtained through a variety of means:

Attend NADCA seminars, webinars and conventions
• Participate in NADCA's CEC Training Program
Take online renewal quiz at www.NadcaTesting.com
Publish technical papers in trade journals
Write an article for NADCAs trade magazine, DucTales (minimum of 1500 words) and,
Attend other HVAC industry association's seminars.

Click here for a complete list of qualifying CECs.

Click here for a CEC Approval form.

Click here for a Renewal Application Form.

There is an annual maintenance fee associated with certification renewal ($75.00 for members, $800 for non-members).

Note: Individuals who do not accrue sufficient continuing education credits prior to their renewal date are required to re-take the examination at the regular fees.