Study the sections that match your target
Every certification route includes Core. Add the technical section for the equipment you will service. Universal requires all four sections.
FOUNDATION
Core
Environmental impact, rules, refrigerant families, recovery terms, safety, cylinders, and service practices.
Study Core →SMALL APPLIANCES
Type I
Definitions, recovery percentages, passive recovery, access, refrigerant identification, and small-appliance safety.
Study Type I →HIGH PRESSURE
Type II
Leak testing, recovery, evacuation, high-pressure components, pressure relationships, and equipment-room safety.
Study Type II →LOW PRESSURE
Type III
Chillers, purge units, low-pressure leak testing, freeze protection, oil handling, charging, and room monitoring.
Study Type III →Use the closed loop
- Read the matching section.
- Mark it reviewed on this browser.
- Take a 25-question section test or the Universal simulation.
- Review explanations and save wrong answers.
- Return to the weakest section.
- Use an approved provider for the real exam.