Eighth grade. Must possess a Miami-Dade County Certificate of Competency as a Journeyman in Refrigeration and Journeyman in Air-conditioning Unlimited, Miami-Dade County Certificate of Competency as a Journeyman in General Mechanical or State of Florida Contractor's license in Refrigeration/Air-Conditioning. Must possess a Driver license and Type I, Type II, Type III or Universal certification from an EPA recognized certification program in refrigerant transition and recovery service practices in accordance with EPA 40 CFR, Part 82, Subpart F, Section 608 of the 1990 Clean Air Act Amendment. Must possess a Driver's license.