BECOME A CSIA
CERTIFIED DRYER TECH!
Whether you’re looking to start a new business or offer a valuable add-on service that can make the homes of existing customers safer and more efficient, earning the CSIA Certified Dryer Exhaust Technician® (CDET®) credential can be a huge benefit to your bottom line and your community.
Because it’s the only nationally recognized credential for dryer vent cleaning, when homeowners need a qualified dryer technician, they know where to look: right here on the CSIA website. Which means your certification can bring you business, all year long, for free.
1
Attend the CDET WORKSHOP
At the CSIA CDET® workshop, you won’t just sit there, pouring through the manual, and chugging coffee to stay awake. You’ll get hands-on training taught by experts at the CSIA CERT (Center for Research, Education & Training) campus. The training facility is the only of its kind and was specifically built for training chimney and venting technicians.
And at the conclusion of the course, you’ll take the exam to earn your credential. A brand-new, money-making career or service offering in just three days? Can’t beat that.
OR
2
Take the 1-day Cdet Review and pass the exam
Maybe test prepping alone takes you back to the torturous days of high school History and all of those dates and names. Not to worry. You can always register for and attend an in-person review session.
The in-person review is a thorough and extensive review of the CSIA® CDET® manual and material. Plus, you’ll have the opportunity to ask any questions you have of CSIA’s experienced and knowledgeable CSIA® CDET® instructors.
The review is designed to prepare you for the CSIA® CDET® exam, but you still need to study the manual on your own before attending. At the end of the in-person review session, you’ll take the exam and earn your credential.
OR
3
Take the online review through SureFire and schedule your exam with CSIA
Prefer to study solo? All you need to kick things off is the CSIA CDET® manual. Once you’ve got the material down, you can jump straight to the exam—or, if you’d like a little extra prep, you can complete the online review first. Totally your call.
Renew Your CDET Certification
You have 3 options for renewal
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Take a CDET® review and retest.
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Earn between 9-47 CEUs and retest.
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Earn 48 CEUs across the following categories and apply to renew with CEUs:
12 Technical
8 Codes and Standards
6 Communication and Liability
6 Health and Safety
16 additional in any category (including Business)
Additional information for Certification Renewal
Effective April 1, 2026, CSIA implemented a $100 renewal fee when renewing online. This is also to alert the certification team that you have taken the review and need to renew your CDET® certification.
The CDET exam is still an option for renewal, and does not have an additional fee.