All trades

Mechanical

HVAC Technician

Install, service, and troubleshoot heating, ventilation, air conditioning, and refrigeration systems.

What They Do

HVAC technicians install equipment and ductwork, charge and recover refrigerant, diagnose electrical and mechanical faults, and keep systems running efficiently year round.

Where They Work

  • Residential and commercial service companies
  • New construction mechanical contractors
  • Facilities and building maintenance
  • Refrigeration and food processing

Skills Needed

  • Electrical troubleshooting
  • Refrigeration cycle fundamentals
  • Airflow and load-calculation basics
  • Customer service

Typical Training Path

Options include a 6–24 month trade school or community college program, or a 3–5 year apprenticeship. EPA 608 certification is required to handle refrigerants.

Apprenticeship Opportunities

Sponsored by mechanical contractors, service companies, and sheet metal / UA locals. Many employers hire helpers and train from day one.

Certifications

  • EPA Section 608 (required)
  • NATE certification
  • HVAC Excellence
  • OSHA 10

Career Advancement

  • Installer → Service technician → Lead tech
  • Commercial controls specialist
  • Service manager
  • HVAC business owner

Typical Work Environment

Work varies by employer and project. Expect a mix of indoor and outdoor work, physical activity, teamwork, safety procedures, and problem solving.

How to Get Started

  • Finish high school or earn a GED — most programs require it.
  • Build your math, measurement, and mechanical basics with our free test-prep resources.
  • Talk with a mentor or tradesperson about a typical day on the job.
  • Apply to an apprenticeship, trade school, or entry-level helper position.