Skip navigation

Heating & Air Conditioning Mechanics & Installers

Also called: HVAC Mechanic (Heating, Ventilation, Air Conditioning Mechanic); HVAC Service Technician (Heating, Ventilation, Air Conditioning Service Technician); HVAC Technician (Heating, Ventilation, Air Conditioning Technician); Service Technician

Where in the Marine Corps? In the Marine Corps: Aircraft Maintenance Support Equipment Electrician/Refrigeration Mechanic; Aviation Support Equipmentman; Heating, Ventilation, Air Conditioning, and Refrigeration Craftsman; Heating, Ventilation, Air Conditioning, and Refrigeration Journeyman; Missile And Space Facilities Apprentice; Missile And Space Facilities Helper; Mobile Facility Technician; Plumber; Refrigeration and Air Conditioning Technician; Utilities Equipment Repairer; Utilitiesman

What they do:
Install, service, or repair heating and air conditioning systems in residences or commercial establishments.
On the job, you would:
  • Test pipe or tubing joints or connections for leaks, using pressure gauge or soap-and-water solution.
  • Test electrical circuits or components for continuity, using electrical test equipment.
  • Repair or replace defective equipment, components, or wiring.


Engineering and Technology
  • mechanical
  • building and construction
  • customer service
  • sales and marketing
Math and Science
  • physics
  • arithmetic, algebra, geometry, calculus, or statistics
Arts and Humanities
  • English language


Basic Skills
  • listening to others, not interrupting, and asking good questions
  • reading work related information
  • figuring out what is causing equipment, machines, wiring, or computer programs to not work
  • installing equipment, machines, wiring, or computer programs
Problem Solving
  • noticing a problem and figuring out the best way to solve it


Hand and Finger Use
  • put together small parts with your fingers
  • hold or move items with your hands
Ideas and Logic
  • notice when problems happen
  • make general rules or come up with answers from lots of detailed information
  • listen and understand what people say
  • communicate by speaking
Visual Understanding
  • quickly compare groups of letters, numbers, pictures, or other things


People interested in this work like activities that include practical, hands-on problems and solutions.
They do well at jobs that need:
  • Attention to Detail
  • Independence
  • Analytical Thinking
  • Dependability
  • Initiative
  • Self Control


You might use software like this on the job:

Spreadsheet software
  • Microsoft Excel
Word processing software
  • Atlas Construction Business Forms
  • Microsoft Word
Computer aided design CAD software
  • HVAC tools software


Education: (rated 3 of 5)
certificate after high school or
associate's degree
usually needed

Get started on your career:

Find Training Find Certifications Registered Apprenticeship

Job Outlook

Bright Outlook
New job opportunities are very likely in the future.
per year, on average
Check out my state Find Jobs

Explore More

See more details at O*NET OnLine about heating and air conditioning mechanics and installers.