C-DET Online Review

CSIA Certified Dryer Exhaust Technician Review
The online Certified Dryer Exhaust Technician (CDET) 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 CDET exam.  When you enroll in one of the weekly online sessions, the online Certified Dryer Exhaust review is available to you around-the-clock for the duration of the week. 
Recommended Minimum Browser Requirements
Google Chrome and Firefox.  Internet Explorer will not properly load the website. A high speed internet connection is also recommended, but not required.

NOTE: It is important to order study materials at least two weeks prior to the start of your online review session to ensure delivery.
Registration for the online review is only $199!

The CSIA Certified Dryer Exhaust Technician® ONLINE review session is now offered every week. Registration closes at the end of day Friday the week prior to your selected session.
Three ways to register:
By phone at (317) 837-5362,
2. Download the 
registration form .pdf, or
3. Choose your session to
register online.

Please note: The class will be monitored MondayFriday. You will have access from the time you are enrolled on MondaySunday evening.

About the CSIA Certified Dryer Exhaust Technician Exam
The CDET examination is composed of 50 multiple-choice questions. CSIA allows a maximum of 30 minutes for candidates to complete the test. The examination is closed book- the use of notes or reference material, including the CSIA Certified Dryer Exhaust Technician® Manual is forbidden during the examination. To become certified, applicants must attain a score of 80 percent or higher on the examination.  The exam is currently available online and ready to be administered by CSIA approved proctors


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 (CDET) credential, an individual may either complete an official CSIA CDET review course, either online or in-person, or pass the CDET exam (proctored exam information here.pdf).


Learn how to earn your CSIA Certified Chimney Sweep & CSIA Certified Dryer Credentials

Certified Chimney Sweep C-Det

Search for a CSIA Certified Professional

Simply enter your Zip Code and click Search for a list of the CSIA Certified Chimney Sweep®s and CSIA Certified Dryer Exhaust Technician®s within a 50 mile radius of your location.