The CSIA Certified Dryer Exhaust Technician® (C-DET) program is a comprehensive examination that is administered and graded by the Chimney Safety Institute of America. The examination evaluates a Dryer Exhaust Technician's understanding of the basic information technicians must master to become competent dryer exhaust safety and fire prevention specialists such as:
- Applicable building codes
- NFPA 211 and NFPA 54 standards
- All facets of inspecting and cleaning residential and commercial dryer exhaust systems.
Buy the manual
You can order it via our Publications form.
Earning the CSIA Certified Dryer Exhaust Technician Credential
To earn the CSIA Certified Dryer Exhaust Technician credential, applicants must attain a score of 80 percent or higher on the examination. Applicants will receive pass/fail notification within 2-4 weeks of the test date. Candidates who score below 80 percent may retest at a lesser fee if the retest is taken within six months. After six months, the full examination fee will be charged.
About the CSIA Certified Dryer Exhaust Technician Exam
The C-DET examination is composed of 50 multiple-choice questions. CSIA allows a maximum of 30 minutes for candidates to complete the test. The use of notes or reference material, including the CSIA Certified Dryer Exhaust Technician® manual is forbidden during the examination. The exam is now available online and ready to be administered by proctors approved by CSIA. Please contact CSIA at (317) 837-5362 or firstname.lastname@example.org to locate a proctor in your area.
Opportunities for testing
C-DET reviews will be offered Feb. 17 in Lancaster, Pennsylvania. Click here for registration information.
Renewing the CSIA Certified Dryer Exhaust Technician Credential
The credential must be renewed every three years. Effective May 10, 2013, to renew the CSIA Certified Dryer Exhaust Technician (C-DET) credential, an individual may either complete an official CSIA C-DET review course, either online or in-person, or pass the C-DET exam (proctored exam information here.pdf).
An Online Review Session is Now Available
The online Certified Dryer Exhaust Technician (C-DET) review provides exam candidates with a convenient and affordable guided learning experience. Daily reading assignments from CSIA’s Certified Dryer Exhaust Technician study manual coincide with four online lessons and interactive quizzes designed to help you pass the C-DET exam.