A basic education in the field of commercial and industrial refrigeration is obviously a good thing to have on the resumes of your refrigeration technicians, operators, and maintenance personnel. You wouldn’t hire them without some evidence of a useful background.
Continuing education of these personnel, however, is quite often a different matter. Unfortunately, some employers fail to equate the nominal expense of the periodic upgrading of their staff’s level of expertise with the important value it has to the company.