Become a Certified Pool & Spa Hot Tub Technician


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 Certified Pool & Spa Hot Tub Technician® (CHTT) course
  • Pass the 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 75 minutes long, open book, with 50 multiple-choice questions. You must score 75% or better to pass.

Exam Content Breakdown

Unit Number of Questions
Unit 1: Safety and Health 2 questions
Unit 2: Practical Knowledge for Technicians 3 questions
Unit 3: Electrical Systems 7 questions
Unit 4: Pump and Equipment Systems 9 questions
Unit 5: Control Systems 8 questions
Unit 6: Heaters & Accessories 7 questions
Unit 7: Water Chemistry 14 questions
  50 questions total

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 certification@phta.org 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.


Pool & Hot Tub Strategic Partners:

  • Fluidra
  • Hayward
  • Lou

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