Certified Hot Tub Technician (CHTT℠) - Complete Course

$ 723.00

Certified Hot Tub Technician (CHTT)

After completing this course the student will have gained a wide body of practical knowledge on servicing and troubleshooting factory built portable hot tubs regardless of brand; mastered the essentials of hot tub water chemistry, electrical systems, circulation and filtration; and learned tips and tricks for basic repairs to interior surfaces. The Certified Hot Tub Technician program covers the essentials of servicing portable hot tubs, and equipment repair and replacement. Instruction is given by industry experts, based upon the APSP Hot Tub Technician Manual and Workbook. Upon completion of the training program, you will be eligible to take the CHTT exam. There are no experience requirements; new employees are eligible.

The registration fee includes the APSP Certified Hot Tub Technician Manual and Workbook.

Target Audience: Individuals in the service Industry who service and repair portable hot tubs. Taking this class makes you eligible to take the APSP CHTT test to become a CHTT Certified Hot Tub Technician®. There are no experience requirements; new employees are eligible. 24 CEUs are earned after successfully completing this course.

How You Will Benefit:

  • Advance your career and earn the in demand skills employers want.
  • Become eligible to sit for the Certified Hot Tub Technician (CHTT)  exam.
  • Earn 24 CEUs.

What You Get With The Course:

  • Eight weeks access to the virtual course
  • APSP Hot Tub Technician Manual
  • APSP CHTT Workbook

Course Outline:

Safety and Health:

  • Drowning and Accident Prevention
  • Safe Work Habits
  • Chemical Safety
  • Electrical Safety
  • Accessory Equipment Safety
  • When to Close a Hot But
  • Hot Tub Decontamination
  • Health Benefits and Hazards
  • First Aid
  • Physical and Environment Hazards
  • Recreational Water Illness (RWI)

Practical Knowledge for Technicians

  • Customer Service
  • Legal Considerations
  • Basic Calculations

Structures and Finishes

  • Materials Used in Hot Tub Manufacture
  • Surface Repairs
  • Hot Tub Selection and Installation

Electrical Systems

  • Safety and Electrical Systems
  • Basic Electricity
  • Basic Electrical Circuit
  • Basic Terms / Components Used in Circuits
  • Electrical Testing
  • Electrical Safety Requirements

Circulation, Plumbing and Filtration

  • Circulation System Components
  • Suction Side Components
  • Pipe and Fittings
  • Circulation System Renovation


  • Pressure
  • Resistance
  • Total Dynamic Head
  • Using TDH Information

Filtration Systems

  • Filter Design and Location
  • Filter Maintenance and Cleaning
  • How to Replace a Cartridge

Pumps and Equipment Systems

  • Electromagnetism and Electric Motors
  • Pump Motors
  • Centrifugal Pumps
  • Troubleshooting

Hot Tub Equipment

  • Connections
  • Loads
  • Controls
  • Plumbing
  • Troubleshooting

Control Systems

  • Control System Types
  • Hot Tub Control Circuit Components
  • Hot Tub Safety Device Requirements
  • EM Control System
  • Electronic Control Systems

Heaters and Accessories

  • Heater Types and Sizing
  • Heater  Replacement
  • Types of Immersion Heaters
  • Electric Heater Failure Modes
  • Technical and Troubleshooting Reference Guide
  • Accessories: Air Blowers, Ozone Generators and Lights

Water Chemistry

  • Safety Data Sheets (SDS)
  • Handling Chemicals
  • Transporting Chemicals
  • OSHA Safety Rules
  • SARA
  • Chemical Storage Data Sheets
  • Basic Water Chemistry
  • Preventive Practices
  • Water Balance
  • Hot Tub Water Sanitization
  • Water Testing
  • Ancillary Hot Tub Products

General Maintenance

  • Routine Maintenance
  • Seasonal and Special Care
  • Covers

CEUs: 24

Course Fee: $573/member and $723/non-member.  (includes the manual and workbook)

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 a 1 hour, open-book exam with 50 multiple-choice questions. You must score 75% or better to pass (answering at least 38 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 times to take the exam.
  • At an APSP national, regional or chapter-sponsored testing event. A list of upcoming events can be found at APSPUniversity.org. You will receive your exam results by US Mail approximately 3 weeks after the exam.

Please contact APSP at apspuniversity@apsp.org or 703.838.0083 x 127 for additional information on the CHTT exam and application process.




Key Outcomes: Upon completion of this course, participants will be able to:

  • Describe 5 basic safety considerations for tools used on the job
  • Identify basic chemical hazards
  • Identify 5 warning signs of hot tub contamination
  • Know how to respond to and use customer complaints.
  • Describe the difference between a self-contained and a non-self-contained hot tub.
  • Explain the concept of volts, amps, ohms, and conductors.
  • Name the most common types of electrical tests.
  • Describe the different circulation system components
  • Describe two different hot tub plumbing configurations.
  • Know what key factors to consider when replacing a pump motor.
  • Understand the major function of each component connected to the control unit.
  • Describe the basic steps in troubleshooting 4 common heating problems.
  • List guidelines for safe handling, transport and storage of hazardous chemicals.
  • Know how to decontaminate a hot tub.


By completing/passing this course, you will attain the certificate Online Record of Completion.


Learning Credits