HVAC & refrigeration
HVAC license practice tests
Study for HVAC contractor licensing and EPA 608 refrigerant certification with free practice questions and explanations.
HVAC licensing and EPA certification
HVAC technicians need both trade knowledge and EPA Section 608 certification for refrigerant handling. Contractor licenses add business law and system design.
Practice EPA 608 core, Type I, II, and III topics plus state HVAC contractor exam categories.
Frequently asked questions
- Do I need EPA 608 before HVAC licensing?
- EPA 608 is federally required to handle refrigerants. State contractor licensing is separate and varies by state.
More trade certification practice
OSHA 10, EPA 608, and contractor license exams.