How to Become an HVAC Technician

5 steps to become an HVAC technician

1. Finish high school

   Math, physics and electrical classes help.

2. Complete HVAC training

   Enroll in a technical school program or apprenticeship covering electrical, refrigeration and heating.

3. Get EPA 608 certified

   Pass the EPA exam: required before you handle refrigerants.

4. Start as an apprentice or helper

   Gain field experience on maintenance, service and installs.

5. Advance

   Earn NATE certifications and a state license; move into commercial service, controls or your own business.

Education and training requirements

Most HVAC technicians complete a postsecondary program at a technical or community college (six months to two years) or a three- to five-year apprenticeship. EPA Section 608 certification is legally required to purchase and handle most refrigerants.

Certifications and licenses

• EPA Section 608: Federal certification required to work with refrigerants; Type I, II, III or Universal.
• NATE certification: North American Technician Excellence credentials recognized by employers.
• State or local HVAC license: Required in many states and cities, especially to run a business.
• OSHA 10: Safety training often required on construction jobs.

Skills to build now

Start with refrigeration cycle diagnostics, electrical troubleshooting, and brazing and refrigerant handling, and practice customer service and logical problem-solving. Learning the HVAC technician vocabulary early makes training and interviews easier.

Where the career can lead

1. HVAC Helper or Apprentice: Assist on installs and maintenance.
2. Service Technician: Diagnose and repair systems independently.
3. Lead Tech or Commercial/Controls Specialist: Handle complex systems and train others.
4. Service Manager or Contractor: Run operations or your own business.

Get a head start

Our self-paced HVAC Technician training gives you a realistic, practical overview of the job (duties, terminology, step-by-step tasks, safety and interview prep) so you can decide with confidence and show employers you’re serious.

Common questions about getting started

How long does HVAC training take?

Technical school programs take about six months to two years. Apprenticeships can take three to five years and combine paid work with classes.

How long does it take to become an HVAC technician?

Most people need about 6–24 months of training. Most HVAC technicians complete a postsecondary program at a technical or community college (six months to two years) or a three- to five-year apprenticeship. EPA Section 608 certification is legally required to purchase and handle most refrigerants.

Do you need a degree to be an HVAC technician?

No four-year degree is typically required. BLS lists “postsecondary nondegree award” as the typical entry-level education, plus long-term on-the-job training.

What certifications are available for HVAC technicians?

Common credentials include EPA Section 608, NATE certification, State or local HVAC license, and OSHA 10. Many states and cities require HVAC contractors or technicians to be licensed. EPA Section 608 certification is required nationwide to handle refrigerants.

Sources

• U.S. Bureau of Labor Statistics, BLS Occupational Employment and Wage Statistics (OEWS), May 2025, SOC 49-9021 (Heating, air conditioning, and refrigeration mechanics and installers).
• U.S. Bureau of Labor Statistics, BLS Employment Projections, Table 1.2 (2025–35).
• O*NET OnLine summary for Heating, air conditioning, and refrigeration mechanics and installers (U.S. Department of Labor).
• BLS Occupational Outlook Handbook.

Reviewed by the Career Education Institute Curriculum Team. Pay figures are national estimates; local pay varies. See our editorial policy.