MinglesPrepHVAC License
State licensing exam for HVAC technicians and contractors. Covers refrigeration, heating, cooling, EPA 608 refrigerant handling, and your state's HVAC license law. 100 questions, 2 hours.
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Each subject has its own question bank and practice mode.
SubjectEPA 608 TechnicianFederal certification required to purchase and handle refrigerants. Covers refrigerant types, recovery procedures, and EPA Section 608 regulations.SubjectJourneyman HVAC TechnicianInstall and service HVAC systems. Refrigeration cycles, ductwork design, electrical controls, load calculations, and safety.State-specific questions includedSubjectMaster HVAC TechnicianDesign and oversee HVAC installations. System sizing, energy efficiency standards, advanced controls, and supervising technicians.State-specific questions includedSubjectHVAC ContractorOperate a licensed HVAC contracting business. Business law, project bidding, workforce management, and state licensing rules.State-specific questions included