what is the requirement to be a hvac proctor
EPA Universal Certification - A Universal certification is required for HVAC technicians who service all types of equipment. The EPA Universal Certification exam consists of 100 multiple-choice questions: 25 Core questions, 25 Type I questions, 25 Type II questions, and 25 Type III questions. A score of 72% is required to pass each section, which means 18 of the 25 questions must be answered correctly in order to obtain each certification.