CETC Exam Dates 2026: Testing Windows, Deadlines & Scheduling

Why There Is No Fixed 2026 Exam Calendar

If you searched for "CETC exam dates 2026" expecting a list of quarterly testing windows with registration cutoffs, here is the straight answer: the Council-certified Environmental Thermography Consultant credential does not work that way. The credential is issued by the American Council for Accredited Certification (ACAC), a CESB-accredited certifying body, and its exam administration page describes computer-delivered testing through Kryterion rather than a published schedule of fixed national sittings.

In practical terms, your "exam date" for the CETC is the date you choose after ACAC approves you to test. The calendar that matters is your own: when you submit your application, when your documentation is verified, and when you book a slot with the testing provider. Anyone selling you a list of "official 2026 CETC testing windows" is inventing something the issuer has not published. If you want the full picture of what you are signing up for before you start the clock, our overview of what CETC certification is covers the credential's purpose and structure.

How CETC Scheduling Actually Works

The sequence matters more than any single date. Because this credential pairs an application review with an examination, you move through stages rather than simply picking a seat. Based on ACAC's published application process, the working order looks like this:

1. Confirm eligibility. You need eight combined years of relevant science-related postsecondary education and field experience, subject to ACAC's education-credit assessment, and at least one actual year of field experience regardless of college credits.
2. Assemble documentation. Transcripts if you are claiming education credit, plus verifiable investigation reports or contracts showing relevant investigations, consulting or report writing.
3. Submit the online application. This includes four separate project sheets and email verifications.
4. Receive approval to test. Your exam access follows the application review, not the other way around.
5. Schedule through Kryterion. Choose a test center or secure online video proctoring.
6. Sit the exam. Closed-book, computer-delivered, multiple choice with at least four answer choices per question.
7. Await board decision. Certification requires unanimous board approval.

Notice what is not on that list: a mandatory training course. ACAC does not require one, which means your timeline is driven by documentation readiness and your own preparation, not by a class start date. For the full eligibility breakdown, see our guide to CETC requirements.

The Six-Month Completion Window

The single most important date-related rule in ACAC's process is this: you must complete the application process, including the examination, within six months. That is your real deadline, and it is the one most candidates underestimate.

Think of it as a six-month container that starts when you begin the application. Everything must fit inside it: gathering transcripts, getting project sheets written, waiting on email verifications from the people vouching for your work, getting approved, scheduling, and testing. If you wait to start studying until after approval, you may find the container much smaller than you assumed.

Because the project sheets and verifiable investigation reports are the slowest pieces to assemble, treat them as the critical path. A candidate with years of strong field work but disorganized records can burn weeks just locating contracts. The exam itself is a single sitting; the paperwork is where calendars slip.

Fees and Payment Timing

Fees shape the decision of when to apply, especially if an employer is reimbursing you or you are budgeting across a fiscal year. The figures below come from ACAC's published fee information and the Official CETC Application:

One timing consequence: a failed attempt costs $100 and also consumes calendar time inside your six-month window. If you are close to the end of that window, a retake may not fit. That is a strong argument for sitting the exam only when you are genuinely prepared. For a line-by-line view of what you will pay across the credential's lifecycle, see our CETC certification cost breakdown.

Test Centers vs. Online Proctoring

ACAC's general examination policy allows delivery through test centers or secure online video proctoring, with Kryterion as the testing provider. Which you choose affects how flexible your date can be.

Whichever you choose, the content is the same closed-book, multiple-choice format. You cannot bring reference materials, so anything you plan to rely on, from emissivity concepts to moisture-pattern recognition, must live in your head. Confirm current system and environment requirements with Kryterion when you book rather than assuming them.

What Must Be Approved Before You Book

Because this is an experience-based credential, you cannot simply pay and sit. Approval sits upstream of scheduling, and the documentation burden is the part candidates misjudge.

The strongest project sheets map to the competency areas ACAC lists. Those four headings are roof inspections, building exterior investigations, building interior investigations and plumbing investigations. They reproduce the issuer's listed application competencies; they are not a weighted exam blueprint, and ACAC's linked handbook page contains no syllabus text. ACAC also describes thermal/infrared physics and infrared-camera selection, calibration and operation as part of the scope. If you are deciding which projects to document, favor ones that demonstrate real command of these areas. Our complete guide to the four CETC content areas expands on each.

Planning Backward From Your Target Date

Since no fixed calendar dictates your date, build your own by working backward from the six-month limit. This is the one place a timeline helps, and it is tied directly to CETC content rather than generic habits. Because ACAC has not published domain weights, give each of the four competency areas roughly balanced attention rather than guessing at emphasis.

Adjust the pacing to your own schedule, but protect the buffer at the end. If a verifier is slow or you need a retake, that cushion is what keeps you inside six months. For a content-focused study plan, see our CETC study guide, and when you are ready to test your recall, the CETC practice test lets you drill closed-book multiple-choice questions in the format you will face.

Retakes, Renewal and the Two-Year Cycle

Dates do not end at certification. The credential is valid for two years, and renewal planning should start well before expiration.

If you do not pass, the retake fee is $100. You still need to finish within your six-month window, so the practical question is whether enough time remains. The passing threshold is at least 75%, verified in the current Official CETC Application, so a near miss is a real possibility for candidates who underprepare one domain. If you want to calibrate your expectations, our articles on the CETC passing score and how hard the exam is cover what a 75% bar implies.

The renewal discrepancy you should clarify

ACAC's central renewal procedure requires 40 renewal credits per cycle: 10 for continued field activity and 30 hours of professional development. The credential page, however, describes 20 professional-development hours annually. These do not obviously match, so confirm the current requirement directly with ACAC when planning your renewal rather than relying on either figure alone. The renewal fee is $400.

For a sense of whether the ongoing investment pays off, see our analysis of whether the CETC is worth it, and for the career side, our overview of CETC jobs.

Frequently Asked Questions

The bottom line for 2026: treat your own six-month window as the only calendar that counts. Get your documentation in order, study all four competency areas evenly, and use the main practice test site to rehearse the closed-book format before you book your seat.