Every certification program offered by AEE is defined by strict standards to ensure the program maintains it’s industry-wide recognition and credibility.



Discover the relevant experience and educational credentials needed to achieve certification.



Find an approved training program that aligns with the fundamental knowledge base of the program.



Submit your application, schedule and pass the Certification exam.

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Confirm your competencies by passing our globally developed certification exams.

Work Experience & Education Requirements

Applicants must meet one of the following eligibility criteria:

4-year engineering/architectural degree OR Professional Engineer (PE) OR Registered Architect (RA)** AND 3+ Years related* experience
4-year unrelated degree AND 5+ years related* experience
2-year associate degree AND 8+ years related* experience
NONE AND 10+ years related* experience

*Related experience in commercial geothermal heat pump design and heating, ventilating and air conditioning field.

Industry & People, Training

CGD In-Training

If you do not meet one of the eligibility criteria above, you can still apply for an in-training certification, CGD-IT. In order to gain the in-training certification, you must attend a CGD preparatory training seminar, submit the CGD certification application, and pass the CGD certification examination. The CGD-IT certification is valid for three years, which allows you time to meet the full CGD certification eligibility requirements.

Apply Now

Step One: Register for the CGD Training Seminar

International Ground Source Heat Pump Association
1201 S. Innovation Drive
Stillwater, OK 74074
(800) 626-4747 or (405) 744-5175
email: [email protected]

Step Two: Complete Your CGD Certification Application & Register for an Exam

Resources & Study Guides

Use the available resources to prepare you for the training program and certification exam.

Frequently Asked Questions

Have a question? Check our FAQs to see a list of commonly asked questions and answers on certification, testing, renewals etc.

Your Certification Exam

All certification candidates must pass the associated exam to demonstrate their technical knowledge, proficiency, and abilities relevant to the certification program’s Body of Knowledge (Linked pdf). You may schedule your exam as part of an In-Person Training program or schedule a remote proctored exam.

Additional Information about CGD Certification or File a Complaint
If you have any questions about CGD certification or would like to file a complaint against an individual CGD or the CGD Program, please contact AEE’s Certification Director here.