Home » Certification Required Certification Required April 22, 2009 Reprints No Comments The U.S. EPA requires Clean Air Act Section 608 certification of technicians who service air conditioning and/or refrigeration equipment in 1994. Did you enjoy this article? Click here to subscribe to The NEWS Magazine Related Articles New Certifications Required in Washington, Oregon European Requirements Foretell U.S. Future Terre Haute Requires Certification By NATE Sept. 12, 2013: Commercial HVACR, Water Heating Certification Group Issues Report to DOE Related Products Preparing for the EPA Refrigerant Recovery Certification Exam DVD Refrigeration and Air Conditioning Technology, 7th Edition You must login or register in order to post a comment. Report Abusive Comment Thank you for helping us to improve our forums. Is this comment offensive? Please tell us why.