What does an HVAC Service Technician do?

Learn all about HVAC Service Technician duties, skills and much more. Get expert advice on how to become an HVAC Service Technician.

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Brenna Goyette
Certified Professional Resume Writer, Career Expert

Published 3 min read

An HVAC service technician installs, maintains, and repairs heating, ventilation, and air conditioning systems. They inspect systems to identify any problems and perform preventative maintenance to keep the system running smoothly. When a problem does occur, they use their knowledge of how the system works to diagnose the issue and make the necessary repairs.

HVAC Service Technician job duties include:

  • Inspect, clean, maintain, and repair HVAC systems and their components
  • Diagnose problems with HVAC systems and their components
  • Read and interpret blueprints, schematics, and manuals
  • Perform preventative maintenance on HVAC systems and their components
  • Order and install replacement parts for HVAC systems and their components
  • Keep accurate records of maintenance and repair work performed
  • Train other personnel in the proper operation and maintenance of HVAC systems
  • Respond to emergency calls for service 24 hours a day, 7 days a week
  • Stay up-to-date on new developments in the field of HVAC technology

HVAC Service Technician Job Requirements

Most HVAC service technicians have a high school diploma, although some jobs may require postsecondary education, and most technicians must complete a formal apprenticeship or training program. Many states and localities require HVAC technicians to be licensed, and certification from professional organizations can be helpful. Several years of experience working with HVAC systems is usually required before becoming a service technician.

HVAC Service Technician Skills

  • HVAC
  • Heating
  • Ventilation
  • Air Conditioning
  • Refrigeration
  • Installation
  • Maintenance
  • Repair
  • Troubleshooting
  • Electrical
  • Controls

Related: Top HVAC Service Technician Skills: Definition and Examples

How to become an HVAC Service Technician

There are many ways to become an HVAC Service Technician. The most common way is to attend a trade school or community college that offers an HVAC program. Once you have completed your training, you will need to obtain a license from the state in which you plan to work. After you have obtained your license, you will be able to find employment with an HVAC company. Some companies may require you to complete a period of on-the-job training before you are allowed to work independently.

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