Refrigeration Science and Troubleshooting 2 Trade Hrs


Number of Hours: 2 out of 8 required

Course Offered Until: 12/22/2024

Course #: CEUL243288

This course has been approved by the Iowa Department of Public Health Plumbing and Mechanical Systems Board for 2 hours of HVAC/R Discipline continuing education.

Licensees may take half of their required continuing education credits online during each 3-year licensing period.

Single license-Plumbing, HVAC/R, Hydronics, Sheet Metal, or Mechanical: 8 total hrs.

  • 2 hours safety (Iowa Occupational Health & Safety)

  • 2 hours code (applicable plumbing or mechanical code)

  • 4 hours discipline (must be in current license discipline only)

Multiple mechanical licenses: 14 total hours

  • 4 hours safety (Iowa Occupational Health & Safety)

  • 2 hours mechanical code

  • 8 hours discipline (from one or any combination of discipline licenses held)

All Star Training will report your course completion to the Board, but licensees must also print the course completion certificate upon completion and send it to the Iowa Board as well.

Course Topics:

  • The science of refrigeration

  • Troubleshooting

For additional licensing requirements, please contact the state at:

All Star Training has online, continuing education courses for Air Conditioning and Refrigeration. Our online courses are cheaper than the competition, self-paced and easy to use. All our online courses are state-approved by Iowa and meet the requirements for license renewal or continuing education credits. So if you are working in Iowa and need ACR, HVAC, International Mechanical Code, Mechanical Contractors or other Air Conditioning and Refrigeration courses, there is no better choice than All Star Training!

*You have up to 90 days to complete the course or until the expiration date of the course. The expiration date is listed in the course description and is set by the state licensing board.