Install, maintain, and repair the heating, ventilation, air conditioning, and refrigeration systems that keep buildings comfortable.
Homes, businesses, rooftops, and basements; indoors and out, all weather.
Full-time; long hours and on-call work peak in summer and winter.
May 2024–25 BLS wage data · 2024–34 BLS employment projections.
Openings a year counts new jobs plus the ones that open when people retire or move on — a truer picture of your odds than growth alone.
“Median” means half earn more and half earn less. Your city, employer, and years on the job move it a lot — that is what the 10th-to-90th range shows.
Certificate program
Training path: Paid apprenticeship or a short cert program.
Some states and localities require a license; EPA certification is required to handle refrigerants.
You can earn while you train. This field has a genuinely paid pathway in — an apprenticeship, a paid academy, or employer-funded training — so you draw a paycheck instead of taking on debt to learn it.
Every building has climate control — heat waves keep demand climbing.
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Standard Occupational Classification 49-9021. Pay, employment, and outlook from the U.S. Bureau of Labor Statistics (OEWS wage survey and 2024–34 employment projections). See something off? Tell us.