Principles of Electrical and Refrigeration Theory
(CORE - prerequisite for all exams)
100-question exam covers safety, theory, components, meter usage, fundamentals of motors and capacitors, interpreting electrical diagrams, and troubleshooting.
100-question exam covers combustion theory and heating fuels, carbon monoxide safety, building pressure measurements, building pressure general knowledge,
combustion gas, combustion general knowledge, carbon monoxide general knowledge, carbon monoxide.
100-question exam covers electric heating systems and components, equipment installation & service, safety, theory, airflow, application, and troubleshooting.
100-question exam covers combustion theory, safety, heating system components, electrical troubleshooting, installation, service, and troubleshooting.
Heat Pump Installer
100-question exam covers system design, applications, electrical wiring, and charging.
Heat Pump Service
100-question exam covers components, controls, heat pump cycle, service, theory, interpreting heat pump schematics, and troubleshooting.
Light Commercial Air Conditioning
100-question exam covers commercial AC systems and components, installation, service, theory, applications, and troubleshooting.
Light Commercial Refrigeration
100-question exam covers equipment installation, service, system types, components, theory, applications, and troubleshooting.
Residential Air Conditioning
100-question exam covers ACR theory, service, components, troubleshooting, refrigerant flow control theory, applications, installation, and charging.
Residential & Light Commercial Hydronic Heat
100-question exam covers theory, design, function, installation, service, and component recognition.