What Does an HVAC Technician Do? Job Duties, Salary & Training

by | Sep 10, 2025 | HVAC, Jobs, Salary, Skilled Trades

HVAC technicians work on equipment that controls the air environment within a building. Whether it’s large-scale industrial HVAC systems or residential split systems, today’s HVAC technician is a highly skilled and technically adept tradesperson. Their role combines mechanical, electrical, and customer service skills to keep heating, cooling, and ventilation systems running efficiently and safely.

HVAC Technician Job Responsibilities

As an HVAC technician your day-to-day job description will often include:

  • Installing and repairing different types of HVAC systems
  • Wiring and connecting electrical components
  • Inspecting, testing, and monitoring equipment performance
  • Diagnosing problems and replacing defective parts
  • Performing preventive maintenance for optimal performance
  • Explaining system issues and repair needs to customers
  • Keeping detailed records of service calls and repairs

Specialty Areas Within HVAC

Many HVAC technicians choose to specialize in certain areas, which can improve job prospects and salary potential:

  • Residential HVAC – Installing and servicing home heating and cooling systems.
  • Commercial HVAC – Working on larger systems for offices, schools, and retail facilities.
  • Industrial HVAC – Maintaining and repairing complex systems in factories and plants.
  • Refrigeration – Specializing in systems that control temperature for food storage and transport.
  • Green Technologies – Focusing on energy-efficient systems like geothermal heating and solar-powered units.

Most future HVAC technicians choose HVAC trade school programs to train for their diploma, NATE, and EPA certifications, but apprenticeships and union programs are also popular entry routes.

HVAC Tech Salary & Job Outlook

When you first start as an apprentice, you’ll earn about half of what an entry-level HVAC tech earns, but your pay increases with skills and certifications.

The median annual wage for HVAC mechanics and installers was $59,620 in 2023. The bottom 10% earned around $37,270, and the top 10% earned about $84,250 or more.

Employment of HVAC technicians is projected to grow 6 percent between now and 2032, which is slightly faster than the national average. HVAC and plumbing contractors are the largest employers, but jobs are also available in retail, education, and self-employment.

FAQs About HVAC Technicians

Is HVAC a good career?

Yes. HVAC is a steady career with solid pay, hands-on work, and strong job security. The demand for technicians is growing as older systems are replaced and energy-efficient technologies are adopted.

What certifications do HVAC techs need?

Most technicians need EPA Section 608 Certification to handle refrigerants. Many employers also prefer or require NATE Certification, which demonstrates advanced knowledge.

Where do HVAC technicians usually work?

HVAC techs work in homes, offices, schools, factories, hospitals, and retail buildings. Some specialize in traveling service roles, while others work for contractors or directly with manufacturers.

Last salary edit: 5/22/23

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