Progressive levels of HVACR certification
Join the industry leader — over 2 million strong and growing. Advance your career with portable and stackable credentials recognized nationwide.
Eight categories. One progressive path.
Portable, stackable credentials that advance your HVACR career at every stage — from regulatory entry to recognized mastery, plus specialty and educator tracks.
EPA Section 608
Federally required to purchase, handle, and service refrigerants in stationary equipment.
EPA Section 609
Federal certification for technicians servicing motor-vehicle air conditioning systems.
H.E.A.T. Assessments
Knowledge assessments that benchmark competency across core HVACR topics.
Employment Ready
Validates the foundational, job-ready skills employers expect from new technicians.
Professional Level
Demonstrates proven, working competency within a specific HVACR discipline.
Master Specialist
The highest tier — advanced commissioning, diagnostics, and multi-system mastery.
Specialty Certifications
Focused credentials in emerging and high-demand topics across the industry.
Educator Credentialing
For instructors — validate your ability to teach HVACR, including the Teaching capstone.
Tools to support your certification journey.
Everything proctors, instructors, and candidates need to prepare, administer, and verify.
Comparative Analysis Reports
Proctors can log in to review candidate test results and access detailed statistical reports.
Access ReportsCompetency & Task List
The HVAC Excellence competency and task list helps instructors deliver the knowledge and skills students need.
Download ListProctor Application
HVACR wholesalers, educators, and trainers interested in proctoring exams should submit an application.
Apply NowAdditional Resources
Exam development and test validation processes, veterans benefits, and certification verification.
View ResourcesReady to advance your career?
Join over 2 million HVACR professionals who have advanced their careers with our industry-leading certifications — and become part of the most trusted certification program in the industry.