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.
Combustion Analysis
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.
Electric Heat
100-question exam covers electric heating systems and components, equipment installation & service, safety, theory, airflow, application, and troubleshooting.
Gas Heat
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.