Certified Pool & Spa Hot Tub Technician Program

The Certified Pool & Spa Hot Tub Technician program covers the essentials of servicing portable and permanently installed hot tubs and spas and equipment repair and replacement.

Prerequisites to Apply

  • Completion of the CHTT course based on the PHTA Hot Tub Technician Manual
  • Pass CHTT exam

Exam Information

To become certified as a CHTT (Certified Hot Tub Technician®), you must complete the CHTT course and take the CHTT Exam. An additional registration form and $115 fee for the CHTT Exam is required. The CHTT Exam is 2.5 hours long, open book, with 100 multiple choice questions. You must score 75% or better to pass (answering at least 75 questions correctly).

Choose How to Take the Exam

  • On a computer at a PSI computer testing center near you. Computer testing gives immediate test results and flexible time to take the exam.
  • On a computer remotely proctored at your convenience. Remote proctored computer testing gives immediate test results and unparalleled flexibility to take the exam.
  • At a PHTA national, regional, or chapter-sponsored testing event. A list of upcoming events can be found here. You will receive your exam results by US Mail approximately 3 weeks after the exam.

Please contact PHTA at or 703-838-0083 ext. 127 for additional information on the CHTT exam and application process.

Online CHTT Course

This self-paced online format is interactive and engaging with videos, quizzes, and exercises. You have the option to purchase the full course or a specific module.

Purchase the CHTT Course

Please Note:

  • Students who have started and need to finish the course, click here.
  • Students who have purchased the course but have not yet started it, click here.

Course Materials and Forms

Maintain Your Certification

Learn more about maintaining your status as a PHTA-certified individual and continue to enjoy the associated benefits. Find the recertification application here.